public class JSONObject {
	/**
	 * JSONObject.NULL is equivalent to the value that JavaScript calls null,
	 * whilst Java's null is equivalent to the value that JavaScript calls
	 * undefined.
	 */
	private static final class Null {

		/**
		 * There is only intended to be a single instance of the NULL object, so
		 * the clone method returns itself.
		 * 
		 * @return NULL.
		 */
		@Override
		protected final Object clone() {
			return this;
		}

		/**
		 * A Null object is equal to the null value and to itself.
		 * 
		 * @param object
		 *            An object to test for nullness.
		 * @return true if the object parameter is the JSONObject.NULL object or
		 *         null.
		 */
		@Override
		public boolean equals(Object object) {
			return object == null || object == this;
		}

		/**
		 * Get the "null" string value.
		 * 
		 * @return The string "null".
		 */
		@Override
		public String toString() {
			return "null";
		}
	}

	/**
	 * Produce a string from a double. The string "null" will be returned if the
	 * number is not finite.
	 * 
	 * @param d
	 *            A double.
	 * @return A String.
	 */
	public static String doubleToString(double d) {
		if (Double.isInfinite(d) || Double.isNaN(d)) {
			return "null";
		}

		// Shave off trailing zeros and decimal point, if possible.

		String string = Double.toString(d);
		if (string.indexOf('.') > 0 && string.indexOf('e') < 0
				&& string.indexOf('E') < 0) {
			while (string.endsWith("0")) {
				string = string.substring(0, string.length() - 1);
			}
			if (string.endsWith(".")) {
				string = string.substring(0, string.length() - 1);
			}
		}
		return string;
	}

	/**
	 * The map where the JSONObject's properties are kept.
	 */
	private final Map map;

	/**
	 * It is sometimes more convenient and less ambiguous to have a
	 * <code>NULL</code> object than to use Java's <code>null</code> value.
	 * <code>JSONObject.NULL.equals(null)</code> returns <code>true</code>.
	 * <code>JSONObject.NULL.toString()</code> returns <code>"null"</code>.
	 */
	public static final Object NULL = new Null();

	/**
	 * Get an array of field names from a JSONObject.
	 * 
	 * @return An array of field names, or null if there are no names.
	 */
	public static String[] getNames(JSONObject jo) {
		int length = jo.length();
		if (length == 0) {
			return null;
		}
		Iterator iterator = jo.keys();
		String[] names = new String[length];
		int i = 0;
		while (iterator.hasNext()) {
			names[i] = (String) iterator.next();
			i += 1;
		}
		return names;
	}

	/**
	 * Get an array of field names from an Object.
	 * 
	 * @return An array of field names, or null if there are no names.
	 */
	public static String[] getNames(Object object) {
		if (object == null) {
			return null;
		}
		Class klass = object.getClass();
		Field[] fields = klass.getFields();
		int length = fields.length;
		if (length == 0) {
			return null;
		}
		String[] names = new String[length];
		for (int i = 0; i < length; i += 1) {
			names[i] = fields[i].getName();
		}
		return names;
	}

	static final void indent(Writer writer, int indent) throws IOException {
		for (int i = 0; i < indent; i += 1) {
			writer.write(' ');
		}
	}

	/**
	 * Produce a string from a Number.
	 * 
	 * @param number
	 *            A Number
	 * @return A String.
	 * @throws JSONException
	 *             If n is a non-finite number.
	 */
	public static String numberToString(Number number) throws JSONException {
		if (number == null) {
			throw new JSONException("Null pointer");
		}
		testValidity(number);

		// Shave off trailing zeros and decimal point, if possible.

		String string = number.toString();
		if (string.indexOf('.') > 0 && string.indexOf('e') < 0
				&& string.indexOf('E') < 0) {
			while (string.endsWith("0")) {
				string = string.substring(0, string.length() - 1);
			}
			if (string.endsWith(".")) {
				string = string.substring(0, string.length() - 1);
			}
		}
		return string;
	}

	/**
	 * Produce a string in double quotes with backslash sequences in all the
	 * right places. A backslash will be inserted within </, producing <\/,
	 * allowing JSON text to be delivered in HTML. In JSON text, a string cannot
	 * contain a control character or an unescaped quote or backslash.
	 * 
	 * @param string
	 *            A String
	 * @return A String correctly formatted for insertion in a JSON text.
	 */
	public static String quote(String string) {
		StringWriter sw = new StringWriter();
		synchronized (sw.getBuffer()) {
			try {
				return quote(string, sw).toString();
			} catch (IOException ignored) {
				// will never happen - we are writing to a string writer
				return "";
			}
		}
	}

	public static Writer quote(String string, Writer w) throws IOException {
		if (string == null || string.length() == 0) {
			w.write("\"\"");
			return w;
		}

		char b;
		char c = 0;
		String hhhh;
		int i;
		int len = string.length();

		w.write('"');
		for (i = 0; i < len; i += 1) {
			b = c;
			c = string.charAt(i);
			switch (c) {
			case '\\':
			case '"':
				w.write('\\');
				w.write(c);
				break;
			case '/':
				if (b == '<') {
					w.write('\\');
				}
				w.write(c);
				break;
			case '\b':
				w.write("\\b");
				break;
			case '\t':
				w.write("\\t");
				break;
			case '\n':
				w.write("\\n");
				break;
			case '\f':
				w.write("\\f");
				break;
			case '\r':
				w.write("\\r");
				break;
			default:
				if (c < ' ' || (c >= '\u0080' && c < '\u00a0')
						|| (c >= '\u2000' && c < '\u2100')) {
					w.write("\\u");
					hhhh = Integer.toHexString(c);
					w.write("0000", 0, 4 - hhhh.length());
					w.write(hhhh);
				} else {
					w.write(c);
				}
			}
		}
		w.write('"');
		return w;
	}

	/**
	 * Try to convert a string into a number, boolean, or null. If the string
	 * can't be converted, return the string.
	 * 
	 * @param string
	 *            A String.
	 * @return A simple JSON value.
	 */
	public static Object stringToValue(String string) {
		Double d;
		if (string.equals("")) {
			return string;
		}
		if (string.equalsIgnoreCase("true")) {
			return Boolean.TRUE;
		}
		if (string.equalsIgnoreCase("false")) {
			return Boolean.FALSE;
		}
		if (string.equalsIgnoreCase("null")) {
			return JSONObject.NULL;
		}

		/*
		 * If it might be a number, try converting it. If a number cannot be
		 * produced, then the value will just be a string.
		 */

		char b = string.charAt(0);
		if ((b >= '0' && b <= '9') || b == '-') {
			try {
				if (string.indexOf('.') > -1 || string.indexOf('e') > -1
						|| string.indexOf('E') > -1) {
					d = Double.valueOf(string);
					if (!d.isInfinite() && !d.isNaN()) {
						return d;
					}
				} else {
					Long myLong = new Long(string);
					if (string.equals(myLong.toString())) {
						if (myLong.longValue() == myLong.intValue()) {
							return new Integer(myLong.intValue());
						} else {
							return myLong;
						}
					}
				}
			} catch (Exception ignore) {
			}
		}
		return string;
	}

	/**
	 * Throw an exception if the object is a NaN or infinite number.
	 * 
	 * @param o
	 *            The object to test.
	 * @throws JSONException
	 *             If o is a non-finite number.
	 */
	public static void testValidity(Object o) throws JSONException {
		if (o != null) {
			if (o instanceof Double) {
				if (((Double) o).isInfinite() || ((Double) o).isNaN()) {
					throw new JSONException(
							"JSON does not allow non-finite numbers.");
				}
			} else if (o instanceof Float) {
				if (((Float) o).isInfinite() || ((Float) o).isNaN()) {
					throw new JSONException(
							"JSON does not allow non-finite numbers.");
				}
			}
		}
	}

	/**
	 * Make a JSON text of an Object value. If the object has an
	 * value.toJSONString() method, then that method will be used to produce the
	 * JSON text. The method is required to produce a strictly conforming text.
	 * If the object does not contain a toJSONString method (which is the most
	 * common case), then a text will be produced by other means. If the value
	 * is an array or Collection, then a JSONArray will be made from it and its
	 * toJSONString method will be called. If the value is a MAP, then a
	 * JSONObject will be made from it and its toJSONString method will be
	 * called. Otherwise, the value's toString method will be called, and the
	 * result will be quoted.
	 * 
	 * <p>
	 * Warning: This method assumes that the data structure is acyclical.
	 * 
	 * @param value
	 *            The value to be serialized.
	 * @return a printable, displayable, transmittable representation of the
	 *         object, beginning with <code>{</code>&nbsp;<small>(left
	 *         brace)</small> and ending with <code>}</code>&nbsp;<small>(right
	 *         brace)</small>.
	 * @throws JSONException
	 *             If the value is or contains an invalid number.
	 */
	public static String valueToString(Object value) throws JSONException {
		if (value == null || value.equals(null)) {
			return "null";
		}
		if (value instanceof JSONString) {
			Object object;
			try {
				object = ((JSONString) value).toJSONString();
			} catch (Exception e) {
				throw new JSONException(e);
			}
			if (object instanceof String) {
				return (String) object;
			}
			throw new JSONException("Bad value from toJSONString: " + object);
		}
		if (value instanceof Number) {
			return numberToString((Number) value);
		}
		if (value instanceof Boolean || value instanceof JSONObject
				|| value instanceof JSONArray) {
			return value.toString();
		}
		if (value instanceof Map) {
			return new JSONObject((Map) value).toString();
		}
		if (value instanceof Collection) {
			return new JSONArray((Collection) value).toString();
		}
		if (value.getClass().isArray()) {
			return new JSONArray(value).toString();
		}
		return quote(value.toString());
	}

	/**
	 * Wrap an object, if necessary. If the object is null, return the NULL
	 * object. If it is an array or collection, wrap it in a JSONArray. If it is
	 * a map, wrap it in a JSONObject. If it is a standard property (Double,
	 * String, et al) then it is already wrapped. Otherwise, if it comes from
	 * one of the java packages, turn it into a string. And if it doesn't, try
	 * to wrap it in a JSONObject. If the wrapping fails, then null is returned.
	 * 
	 * @param object
	 *            The object to wrap
	 * @return The wrapped value
	 */
	public static Object wrap(Object object) {
		try {
			if (object == null) {
				return NULL;
			}
			if (object instanceof JSONObject || object instanceof JSONArray
					|| NULL.equals(object) || object instanceof JSONString
					|| object instanceof Byte || object instanceof Character
					|| object instanceof Short || object instanceof Integer
					|| object instanceof Long || object instanceof Boolean
					|| object instanceof Float || object instanceof Double
					|| object instanceof String) {
				return object;
			}

			if (object instanceof Collection) {
				return new JSONArray((Collection) object);
			}
			if (object.getClass().isArray()) {
				return new JSONArray(object);
			}
			if (object instanceof Map) {
				return new JSONObject((Map) object);
			}
			Package objectPackage = object.getClass().getPackage();
			String objectPackageName = objectPackage != null ? objectPackage
					.getName() : "";
			if (objectPackageName.startsWith("java.")
					|| objectPackageName.startsWith("javax.")
					|| object.getClass().getClassLoader() == null) {
				return object.toString();
			}
			return new JSONObject(object);
		} catch (Exception exception) {
			return null;
		}
	}

	static final Writer writeValue(Writer writer, Object value,
			int indentFactor, int indent) throws JSONException, IOException {
		if (value == null || value.equals(null)) {
			writer.write("null");
		} else if (value instanceof JSONObject) {
			((JSONObject) value).write(writer, indentFactor, indent);
		} else if (value instanceof JSONArray) {
			((JSONArray) value).write(writer, indentFactor, indent);
		} else if (value instanceof Map) {
			new JSONObject((Map) value).write(writer, indentFactor, indent);
		} else if (value instanceof Collection) {
			new JSONArray((Collection) value).write(writer, indentFactor,
					indent);
		} else if (value.getClass().isArray()) {
			new JSONArray(value).write(writer, indentFactor, indent);
		} else if (value instanceof Number) {
			writer.write(numberToString((Number) value));
		} else if (value instanceof Boolean) {
			writer.write(value.toString());
		} else if (value instanceof JSONString) {
			Object o;
			try {
				o = ((JSONString) value).toJSONString();
			} catch (Exception e) {
				throw new JSONException(e);
			}
			writer.write(o != null ? o.toString() : quote(value.toString()));
		} else {
			quote(value.toString(), writer);
		}
		return writer;
	}

	/**
	 * Construct an empty JSONObject.
	 */
	public JSONObject() {
		this.map = new HashMap();
	}

	/**
	 * Construct a JSONObject from a subset of another JSONObject. An array of
	 * strings is used to identify the keys that should be copied. Missing keys
	 * are ignored.
	 * 
	 * @param jo
	 *            A JSONObject.
	 * @param names
	 *            An array of strings.
	 * @throws JSONException
	 * @exception JSONException
	 *                If a value is a non-finite number or if a name is
	 *                duplicated.
	 */
	public JSONObject(JSONObject jo, String[] names) {
		this();
		for (int i = 0; i < names.length; i += 1) {
			try {
				this.putOnce(names[i], jo.opt(names[i]));
			} catch (Exception ignore) {
			}
		}
	}

	/**
	 * Construct a JSONObject from a JSONTokener.
	 * 
	 * @param x
	 *            A JSONTokener object containing the source string.
	 * @throws JSONException
	 *             If there is a syntax error in the source string or a
	 *             duplicated key.
	 */
	public JSONObject(JSONTokener x) throws JSONException {
		this();
		char c;
		String key;

		if (x.nextClean() != '{') {
			throw x.syntaxError("A JSONObject text must begin with '{'");
		}
		for (;;) {
			c = x.nextClean();
			switch (c) {
			case 0:
				throw x.syntaxError("A JSONObject text must end with '}'");
			case '}':
				return;
			default:
				x.back();
				key = x.nextValue().toString();
			}

			// The key is followed by ':'.

			c = x.nextClean();
			if (c != ':') {
				throw x.syntaxError("Expected a ':' after a key");
			}
			this.putOnce(key, x.nextValue());

			// Pairs are separated by ','.

			switch (x.nextClean()) {
			case ';':
			case ',':
				if (x.nextClean() == '}') {
					return;
				}
				x.back();
				break;
			case '}':
				return;
			default:
				throw x.syntaxError("Expected a ',' or '}'");
			}
		}
	}

	/**
	 * Construct a JSONObject from a Map.
	 * 
	 * @param map
	 *            A map object that can be used to initialize the contents of
	 *            the JSONObject.
	 * @throws JSONException
	 */
	public JSONObject(Map map) {
		this.map = new HashMap();
		if (map != null) {
			Iterator i = map.entrySet().iterator();
			while (i.hasNext()) {
				Map.Entry e = (Map.Entry) i.next();
				Object value = e.getValue();
				if (value != null) {
					this.map.put(e.getKey(), wrap(value));
				}
			}
		}
	}

	/**
	 * Construct a JSONObject from an Object using bean getters. It reflects on
	 * all of the public methods of the object. For each of the methods with no
	 * parameters and a name starting with <code>"get"</code> or
	 * <code>"is"</code> followed by an uppercase letter, the method is invoked,
	 * and a key and the value returned from the getter method are put into the
	 * new JSONObject.
	 * 
	 * The key is formed by removing the <code>"get"</code> or <code>"is"</code>
	 * prefix. If the second remaining character is not upper case, then the
	 * first character is converted to lower case.
	 * 
	 * For example, if an object has a method named <code>"getName"</code>, and
	 * if the result of calling <code>object.getName()</code> is
	 * <code>"Larry Fine"</code>, then the JSONObject will contain
	 * <code>"name": "Larry Fine"</code>.
	 * 
	 * @param bean
	 *            An object that has getter methods that should be used to make
	 *            a JSONObject.
	 */
	public JSONObject(Object bean) {
		this();
		this.populateMap(bean);
	}

	/**
	 * Construct a JSONObject from an Object, using reflection to find the
	 * public members. The resulting JSONObject's keys will be the strings from
	 * the names array, and the values will be the field values associated with
	 * those keys in the object. If a key is not found or not visible, then it
	 * will not be copied into the new JSONObject.
	 * 
	 * @param object
	 *            An object that has fields that should be used to make a
	 *            JSONObject.
	 * @param names
	 *            An array of strings, the names of the fields to be obtained
	 *            from the object.
	 */
	public JSONObject(Object object, String names[]) {
		this();
		Class c = object.getClass();
		for (int i = 0; i < names.length; i += 1) {
			String name = names[i];
			try {
				this.putOpt(name, c.getField(name).get(object));
			} catch (Exception ignore) {
			}
		}
	}

	/**
	 * Construct a JSONObject from a source JSON text string. This is the most
	 * commonly used JSONObject constructor.
	 * 
	 * @param source
	 *            A string beginning with <code>{</code>&nbsp;<small>(left
	 *            brace)</small> and ending with <code>}</code>
	 *            &nbsp;<small>(right brace)</small>.
	 * @exception JSONException
	 *                If there is a syntax error in the source string or a
	 *                duplicated key.
	 */
	public JSONObject(String source) throws JSONException {
		this(new JSONTokener(source));
	}

	/**
	 * Construct a JSONObject from a ResourceBundle.
	 * 
	 * @param baseName
	 *            The ResourceBundle base name.
	 * @param locale
	 *            The Locale to load the ResourceBundle for.
	 * @throws JSONException
	 *             If any JSONExceptions are detected.
	 */
	public JSONObject(String baseName, Locale locale) throws JSONException {
		this();
		ResourceBundle bundle = ResourceBundle.getBundle(baseName, locale,
				Thread.currentThread().getContextClassLoader());

		// Iterate through the keys in the bundle.

		Enumeration keys = bundle.getKeys();
		while (keys.hasMoreElements()) {
			Object key = keys.nextElement();
			if (key instanceof String) {

				// Go through the path, ensuring that there is a nested
				// JSONObject for each
				// segment except the last. Add the value using the last
				// segment's name into
				// the deepest nested JSONObject.

				String[] path = ((String) key).split("\\.");
				int last = path.length - 1;
				JSONObject target = this;
				for (int i = 0; i < last; i += 1) {
					String segment = path[i];
					JSONObject nextTarget = target.optJSONObject(segment);
					if (nextTarget == null) {
						nextTarget = new JSONObject();
						target.put(segment, nextTarget);
					}
					target = nextTarget;
				}
				target.put(path[last], bundle.getString((String) key));
			}
		}
	}

	/**
	 * Accumulate values under a key. It is similar to the put method except
	 * that if there is already an object stored under the key then a JSONArray
	 * is stored under the key to hold all of the accumulated values. If there
	 * is already a JSONArray, then the new value is appended to it. In
	 * contrast, the put method replaces the previous value.
	 * 
	 * If only one value is accumulated that is not a JSONArray, then the result
	 * will be the same as using put. But if multiple values are accumulated,
	 * then the result will be like append.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            An object to be accumulated under the key.
	 * @return this.
	 * @throws JSONException
	 *             If the value is an invalid number or if the key is null.
	 */
	public JSONObject accumulate(String key, Object value) throws JSONException {
		testValidity(value);
		Object object = this.opt(key);
		if (object == null) {
			this.put(key,
					value instanceof JSONArray ? new JSONArray().put(value)
							: value);
		} else if (object instanceof JSONArray) {
			((JSONArray) object).put(value);
		} else {
			this.put(key, new JSONArray().put(object).put(value));
		}
		return this;
	}

	/**
	 * Append values to the array under a key. If the key does not exist in the
	 * JSONObject, then the key is put in the JSONObject with its value being a
	 * JSONArray containing the value parameter. If the key was already
	 * associated with a JSONArray, then the value parameter is appended to it.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            An object to be accumulated under the key.
	 * @return this.
	 * @throws JSONException
	 *             If the key is null or if the current value associated with
	 *             the key is not a JSONArray.
	 */
	public JSONObject append(String key, Object value) throws JSONException {
		testValidity(value);
		Object object = this.opt(key);
		if (object == null) {
			this.put(key, new JSONArray().put(value));
		} else if (object instanceof JSONArray) {
			this.put(key, ((JSONArray) object).put(value));
		} else {
			throw new JSONException("JSONObject[" + key
					+ "] is not a JSONArray.");
		}
		return this;
	}

	/**
	 * Get the value object associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return The object associated with the key.
	 * @throws JSONException
	 *             if the key is not found.
	 */
	public Object get(String key) throws JSONException {
		if (key == null) {
			throw new JSONException("Null key.");
		}
		Object object = this.opt(key);
		if (object == null) {
			throw new JSONException("JSONObject[" + quote(key) + "] not found.");
		}
		return object;
	}

	/**
	 * Get the boolean value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return The truth.
	 * @throws JSONException
	 *             if the value is not a Boolean or the String "true" or
	 *             "false".
	 */
	public boolean getBoolean(String key) throws JSONException {
		Object object = this.get(key);
		if (object.equals(Boolean.FALSE)
				|| (object instanceof String && ((String) object)
						.equalsIgnoreCase("false"))) {
			return false;
		} else if (object.equals(Boolean.TRUE)
				|| (object instanceof String && ((String) object)
						.equalsIgnoreCase("true"))) {
			return true;
		}
		throw new JSONException("JSONObject[" + quote(key)
				+ "] is not a Boolean.");
	}

	/**
	 * Get the double value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return The numeric value.
	 * @throws JSONException
	 *             if the key is not found or if the value is not a Number
	 *             object and cannot be converted to a number.
	 */
	public double getDouble(String key) throws JSONException {
		Object object = this.get(key);
		try {
			return object instanceof Number ? ((Number) object).doubleValue()
					: Double.parseDouble((String) object);
		} catch (Exception e) {
			throw new JSONException("JSONObject[" + quote(key)
					+ "] is not a number.");
		}
	}

	/**
	 * Get the int value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return The integer value.
	 * @throws JSONException
	 *             if the key is not found or if the value cannot be converted
	 *             to an integer.
	 */
	public int getInt(String key) throws JSONException {
		Object object = this.get(key);
		try {
			return object instanceof Number ? ((Number) object).intValue()
					: Integer.parseInt((String) object);
		} catch (Exception e) {
			throw new JSONException("JSONObject[" + quote(key)
					+ "] is not an int.");
		}
	}

	/**
	 * Get the JSONArray value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return A JSONArray which is the value.
	 * @throws JSONException
	 *             if the key is not found or if the value is not a JSONArray.
	 */
	public JSONArray getJSONArray(String key) throws JSONException {
		Object object = this.get(key);
		if (object instanceof JSONArray) {
			return (JSONArray) object;
		}
		throw new JSONException("JSONObject[" + quote(key)
				+ "] is not a JSONArray.");
	}

	/**
	 * Get the JSONObject value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return A JSONObject which is the value.
	 * @throws JSONException
	 *             if the key is not found or if the value is not a JSONObject.
	 */
	public JSONObject getJSONObject(String key) throws JSONException {
		Object object = this.get(key);
		if (object instanceof JSONObject) {
			return (JSONObject) object;
		}
		throw new JSONException("JSONObject[" + quote(key)
				+ "] is not a JSONObject.");
	}

	/**
	 * Get the long value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return The long value.
	 * @throws JSONException
	 *             if the key is not found or if the value cannot be converted
	 *             to a long.
	 */
	public long getLong(String key) throws JSONException {
		Object object = this.get(key);
		try {
			return object instanceof Number ? ((Number) object).longValue()
					: Long.parseLong((String) object);
		} catch (Exception e) {
			throw new JSONException("JSONObject[" + quote(key)
					+ "] is not a long.");
		}
	}

	/**
	 * Get the string associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return A string which is the value.
	 * @throws JSONException
	 *             if there is no string value for the key.
	 */
	public String getString(String key) throws JSONException {
		Object object = this.get(key);
		if (object instanceof String) {
			return (String) object;
		}
		throw new JSONException("JSONObject[" + quote(key) + "] not a string.");
	}

	/**
	 * Determine if the JSONObject contains a specific key.
	 * 
	 * @param key
	 *            A key string.
	 * @return true if the key exists in the JSONObject.
	 */
	public boolean has(String key) {
		return this.map.containsKey(key);
	}

	/**
	 * Increment a property of a JSONObject. If there is no such property,
	 * create one with a value of 1. If there is such a property, and if it is
	 * an Integer, Long, Double, or Float, then add one to it.
	 * 
	 * @param key
	 *            A key string.
	 * @return this.
	 * @throws JSONException
	 *             If there is already a property with this name that is not an
	 *             Integer, Long, Double, or Float.
	 */
	public JSONObject increment(String key) throws JSONException {
		Object value = this.opt(key);
		if (value == null) {
			this.put(key, 1);
		} else if (value instanceof Integer) {
			this.put(key, ((Integer) value).intValue() + 1);
		} else if (value instanceof Long) {
			this.put(key, ((Long) value).longValue() + 1);
		} else if (value instanceof Double) {
			this.put(key, ((Double) value).doubleValue() + 1);
		} else if (value instanceof Float) {
			this.put(key, ((Float) value).floatValue() + 1);
		} else {
			throw new JSONException("Unable to increment [" + quote(key) + "].");
		}
		return this;
	}

	/**
	 * Determine if the value associated with the key is null or if there is no
	 * value.
	 * 
	 * @param key
	 *            A key string.
	 * @return true if there is no value associated with the key or if the value
	 *         is the JSONObject.NULL object.
	 */
	public boolean isNull(String key) {
		return JSONObject.NULL.equals(this.opt(key));
	}

	/**
	 * Get an enumeration of the keys of the JSONObject.
	 * 
	 * @return An iterator of the keys.
	 */
	public Iterator keys() {
		return this.keySet().iterator();
	}

	/**
	 * Get a set of keys of the JSONObject.
	 * 
	 * @return A keySet.
	 */
	public Set keySet() {
		return this.map.keySet();
	}

	/**
	 * Get the number of keys stored in the JSONObject.
	 * 
	 * @return The number of keys in the JSONObject.
	 */
	public int length() {
		return this.map.size();
	}

	/**
	 * Produce a JSONArray containing the names of the elements of this
	 * JSONObject.
	 * 
	 * @return A JSONArray containing the key strings, or null if the JSONObject
	 *         is empty.
	 */
	public JSONArray names() {
		JSONArray ja = new JSONArray();
		Iterator keys = this.keys();
		while (keys.hasNext()) {
			ja.put(keys.next());
		}
		return ja.length() == 0 ? null : ja;
	}

	/**
	 * Get an optional value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return An object which is the value, or null if there is no value.
	 */
	public Object opt(String key) {
		return key == null ? null : this.map.get(key);
	}

	/**
	 * Get an optional boolean associated with a key. It returns false if there
	 * is no such key, or if the value is not Boolean.TRUE or the String "true".
	 * 
	 * @param key
	 *            A key string.
	 * @return The truth.
	 */
	public boolean optBoolean(String key) {
		return this.optBoolean(key, false);
	}

	/**
	 * Get an optional boolean associated with a key. It returns the
	 * defaultValue if there is no such key, or if it is not a Boolean or the
	 * String "true" or "false" (case insensitive).
	 * 
	 * @param key
	 *            A key string.
	 * @param defaultValue
	 *            The default.
	 * @return The truth.
	 */
	public boolean optBoolean(String key, boolean defaultValue) {
		try {
			return this.getBoolean(key);
		} catch (Exception e) {
			return defaultValue;
		}
	}

	/**
	 * Get an optional double associated with a key, or NaN if there is no such
	 * key or if its value is not a number. If the value is a string, an attempt
	 * will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A string which is the key.
	 * @return An object which is the value.
	 */
	public double optDouble(String key) {
		return this.optDouble(key, Double.NaN);
	}

	/**
	 * Get an optional double associated with a key, or the defaultValue if
	 * there is no such key or if its value is not a number. If the value is a
	 * string, an attempt will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A key string.
	 * @param defaultValue
	 *            The default.
	 * @return An object which is the value.
	 */
	public double optDouble(String key, double defaultValue) {
		try {
			return this.getDouble(key);
		} catch (Exception e) {
			return defaultValue;
		}
	}

	/**
	 * Get an optional int value associated with a key, or zero if there is no
	 * such key or if the value is not a number. If the value is a string, an
	 * attempt will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A key string.
	 * @return An object which is the value.
	 */
	public int optInt(String key) {
		return this.optInt(key, 0);
	}

	/**
	 * Get an optional int value associated with a key, or the default if there
	 * is no such key or if the value is not a number. If the value is a string,
	 * an attempt will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A key string.
	 * @param defaultValue
	 *            The default.
	 * @return An object which is the value.
	 */
	public int optInt(String key, int defaultValue) {
		try {
			return this.getInt(key);
		} catch (Exception e) {
			return defaultValue;
		}
	}

	/**
	 * Get an optional JSONArray associated with a key. It returns null if there
	 * is no such key, or if its value is not a JSONArray.
	 * 
	 * @param key
	 *            A key string.
	 * @return A JSONArray which is the value.
	 */
	public JSONArray optJSONArray(String key) {
		Object o = this.opt(key);
		return o instanceof JSONArray ? (JSONArray) o : null;
	}

	/**
	 * Get an optional JSONObject associated with a key. It returns null if
	 * there is no such key, or if its value is not a JSONObject.
	 * 
	 * @param key
	 *            A key string.
	 * @return A JSONObject which is the value.
	 */
	public JSONObject optJSONObject(String key) {
		Object object = this.opt(key);
		return object instanceof JSONObject ? (JSONObject) object : null;
	}

	/**
	 * Get an optional long value associated with a key, or zero if there is no
	 * such key or if the value is not a number. If the value is a string, an
	 * attempt will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A key string.
	 * @return An object which is the value.
	 */
	public long optLong(String key) {
		return this.optLong(key, 0);
	}

	/**
	 * Get an optional long value associated with a key, or the default if there
	 * is no such key or if the value is not a number. If the value is a string,
	 * an attempt will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A key string.
	 * @param defaultValue
	 *            The default.
	 * @return An object which is the value.
	 */
	public long optLong(String key, long defaultValue) {
		try {
			return this.getLong(key);
		} catch (Exception e) {
			return defaultValue;
		}
	}

	/**
	 * Get an optional string associated with a key. It returns an empty string
	 * if there is no such key. If the value is not a string and is not null,
	 * then it is converted to a string.
	 * 
	 * @param key
	 *            A key string.
	 * @return A string which is the value.
	 */
	public String optString(String key) {
		return this.optString(key, "");
	}

	/**
	 * Get an optional string associated with a key. It returns the defaultValue
	 * if there is no such key.
	 * 
	 * @param key
	 *            A key string.
	 * @param defaultValue
	 *            The default.
	 * @return A string which is the value.
	 */
	public String optString(String key, String defaultValue) {
		Object object = this.opt(key);
		return NULL.equals(object) ? defaultValue : object.toString();
	}

	private void populateMap(Object bean) {
		Class klass = bean.getClass();

		// If klass is a System class then set includeSuperClass to false.

		boolean includeSuperClass = klass.getClassLoader() != null;

		Method[] methods = includeSuperClass ? klass.getMethods() : klass
				.getDeclaredMethods();
		for (int i = 0; i < methods.length; i += 1) {
			try {
				Method method = methods[i];
				if (Modifier.isPublic(method.getModifiers())) {
					String name = method.getName();
					String key = "";
					if (name.startsWith("get")) {
						if ("getClass".equals(name)
								|| "getDeclaringClass".equals(name)) {
							key = "";
						} else {
							key = name.substring(3);
						}
					} else if (name.startsWith("is")) {
						key = name.substring(2);
					}
					if (key.length() > 0
							&& Character.isUpperCase(key.charAt(0))
							&& method.getParameterTypes().length == 0) {
						if (key.length() == 1) {
							key = key.toLowerCase();
						} else if (!Character.isUpperCase(key.charAt(1))) {
							key = key.substring(0, 1).toLowerCase()
									+ key.substring(1);
						}

						Object result = method.invoke(bean, (Object[]) null);
						if (result != null) {
							this.map.put(key, wrap(result));
						}
					}
				}
			} catch (Exception ignore) {
			}
		}
	}

	/**
	 * Put a key/boolean pair in the JSONObject.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            A boolean which is the value.
	 * @return this.
	 * @throws JSONException
	 *             If the key is null.
	 */
	public JSONObject put(String key, boolean value) throws JSONException {
		this.put(key, value ? Boolean.TRUE : Boolean.FALSE);
		return this;
	}

	/**
	 * Put a key/value pair in the JSONObject, where the value will be a
	 * JSONArray which is produced from a Collection.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            A Collection value.
	 * @return this.
	 * @throws JSONException
	 */
	public JSONObject put(String key, Collection value) throws JSONException {
		this.put(key, new JSONArray(value));
		return this;
	}

	/**
	 * Put a key/double pair in the JSONObject.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            A double which is the value.
	 * @return this.
	 * @throws JSONException
	 *             If the key is null or if the number is invalid.
	 */
	public JSONObject put(String key, double value) throws JSONException {
		this.put(key, new Double(value));
		return this;
	}

	/**
	 * Put a key/int pair in the JSONObject.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            An int which is the value.
	 * @return this.
	 * @throws JSONException
	 *             If the key is null.
	 */
	public JSONObject put(String key, int value) throws JSONException {
		this.put(key, new Integer(value));
		return this;
	}

	/**
	 * Put a key/long pair in the JSONObject.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            A long which is the value.
	 * @return this.
	 * @throws JSONException
	 *             If the key is null.
	 */
	public JSONObject put(String key, long value) throws JSONException {
		this.put(key, new Long(value));
		return this;
	}

	/**
	 * Put a key/value pair in the JSONObject, where the value will be a
	 * JSONObject which is produced from a Map.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            A Map value.
	 * @return this.
	 * @throws JSONException
	 */
	public JSONObject put(String key, Map value) throws JSONException {
		this.put(key, new JSONObject(value));
		return this;
	}

	/**
	 * Put a key/value pair in the JSONObject. If the value is null, then the
	 * key will be removed from the JSONObject if it is present.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            An object which is the value. It should be of one of these
	 *            types: Boolean, Double, Integer, JSONArray, JSONObject, Long,
	 *            String, or the JSONObject.NULL object.
	 * @return this.
	 * @throws JSONException
	 *             If the value is non-finite number or if the key is null.
	 */
	public JSONObject put(String key, Object value) throws JSONException {
		if (key == null) {
			throw new NullPointerException("Null key.");
		}
		if (value != null) {
			testValidity(value);
			this.map.put(key, value);
		} else {
			this.remove(key);
		}
		return this;
	}

	/**
	 * Put a key/value pair in the JSONObject, but only if the key and the value
	 * are both non-null, and only if there is not already a member with that
	 * name.
	 * 
	 * @param key
	 * @param value
	 * @return his.
	 * @throws JSONException
	 *             if the key is a duplicate
	 */
	public JSONObject putOnce(String key, Object value) throws JSONException {
		if (key != null && value != null) {
			if (this.opt(key) != null) {
				throw new JSONException("Duplicate key \"" + key + "\"");
			}
			this.put(key, value);
		}
		return this;
	}

	/**
	 * Put a key/value pair in the JSONObject, but only if the key and the value
	 * are both non-null.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            An object which is the value. It should be of one of these
	 *            types: Boolean, Double, Integer, JSONArray, JSONObject, Long,
	 *            String, or the JSONObject.NULL object.
	 * @return this.
	 * @throws JSONException
	 *             If the value is a non-finite number.
	 */
	public JSONObject putOpt(String key, Object value) throws JSONException {
		if (key != null && value != null) {
			this.put(key, value);
		}
		return this;
	}

	/**
	 * Remove a name and its value, if present.
	 * 
	 * @param key
	 *            The name to be removed.
	 * @return The value that was associated with the name, or null if there was
	 *         no value.
	 */
	public Object remove(String key) {
		return this.map.remove(key);
	}

	/**
	 * Produce a JSONArray containing the values of the members of this
	 * JSONObject.
	 * 
	 * @param names
	 *            A JSONArray containing a list of key strings. This determines
	 *            the sequence of the values in the result.
	 * @return A JSONArray of values.
	 * @throws JSONException
	 *             If any of the values are non-finite numbers.
	 */
	public JSONArray toJSONArray(JSONArray names) throws JSONException {
		if (names == null || names.length() == 0) {
			return null;
		}
		JSONArray ja = new JSONArray();
		for (int i = 0; i < names.length(); i += 1) {
			ja.put(this.opt(names.getString(i)));
		}
		return ja;
	}

	/**
	 * Make a JSON text of this JSONObject. For compactness, no whitespace is
	 * added. If this would not result in a syntactically correct JSON text,
	 * then null will be returned instead.
	 * <p>
	 * Warning: This method assumes that the data structure is acyclical.
	 * 
	 * @return a printable, displayable, portable, transmittable representation
	 *         of the object, beginning with <code>{</code>&nbsp;<small>(left
	 *         brace)</small> and ending with <code>}</code>&nbsp;<small>(right
	 *         brace)</small>.
	 */
	@Override
	public String toString() {
		try {
			return this.toString(0);
		} catch (Exception e) {
			return null;
		}
	}

	/**
	 * Make a prettyprinted JSON text of this JSONObject.
	 * <p>
	 * Warning: This method assumes that the data structure is acyclical.
	 * 
	 * @param indentFactor
	 *            The number of spaces to add to each level of indentation.
	 * @return a printable, displayable, portable, transmittable representation
	 *         of the object, beginning with <code>{</code>&nbsp;<small>(left
	 *         brace)</small> and ending with <code>}</code>&nbsp;<small>(right
	 *         brace)</small>.
	 * @throws JSONException
	 *             If the object contains an invalid number.
	 */
	public String toString(int indentFactor) throws JSONException {
		StringWriter w = new StringWriter();
		synchronized (w.getBuffer()) {
			return this.write(w, indentFactor, 0).toString();
		}
	}

	/**
	 * Write the contents of the JSONObject as JSON text to a writer. For
	 * compactness, no whitespace is added.
	 * <p>
	 * Warning: This method assumes that the data structure is acyclical.
	 * 
	 * @return The writer.
	 * @throws JSONException
	 */
	public Writer write(Writer writer) throws JSONException {
		return this.write(writer, 0, 0);
	}

	/**
	 * Write the contents of the JSONObject as JSON text to a writer. For
	 * compactness, no whitespace is added.
	 * <p>
	 * Warning: This method assumes that the data structure is acyclical.
	 * 
	 * @return The writer.
	 * @throws JSONException
	 */
	Writer write(Writer writer, int indentFactor, int indent)
			throws JSONException {
		try {
			boolean commanate = false;
			final int length = this.length();
			Iterator keys = this.keys();
			writer.write('{');

			if (length == 1) {
				Object key = keys.next();
				writer.write(quote(key.toString()));
				writer.write(':');
				if (indentFactor > 0) {
					writer.write(' ');
				}
				writeValue(writer, this.map.get(key), indentFactor, indent);
			} else if (length != 0) {
				final int newindent = indent + indentFactor;
				while (keys.hasNext()) {
					Object key = keys.next();
					if (commanate) {
						writer.write(',');
					}
					if (indentFactor > 0) {
						writer.write('\n');
					}
					indent(writer, newindent);
					writer.write(quote(key.toString()));
					writer.write(':');
					if (indentFactor > 0) {
						writer.write(' ');
					}
					writeValue(writer, this.map.get(key), indentFactor,
							newindent);
					commanate = true;
				}
				if (indentFactor > 0) {
					writer.write('\n');
				}
				indent(writer, indent);
			}
			writer.write('}');
			return writer;
		} catch (IOException exception) {
			throw new JSONException(exception);
		}
	}
} public interface ActionResultListener {
	public void onActionResult(String command, JSONObject r);
} public interface IAction {
	/**
	 * Should execute the action
	 * 
	 * @param param
	 *            Params
	 * @param listener
	 *            Listener which should get the action result
	 * @return
	 */
	public void doAction(JSONObject param, User user, ActionResultListener listener);
} public class ObservingManager {

	private static final String TAG = "ObservingManager";
	private static final String PUBLIC_USER = "msspublic";
	private static HashMap<String, HashMap<String, ObservedBlock>> map;

	/**
	 * Returns all blocks observed by that user
	 * 
	 * @param username
	 *            player
	 * @param publ
	 *            if true, the public blocks are returned as well
	 * @return if none, an empty list is returned
	 */
	public static ArrayList<ObservedBlock> getObservedBlocks(String username, boolean publ) {
		ArrayList<ObservedBlock> blocks = new ArrayList<ObservedBlock>();

		if (map != null && map.get(username) != null) {
			blocks.addAll(map.get(username).values());
		}
		if (publ) {
			blocks.addAll(getObservedBlocks(PUBLIC_USER, false));
		}
		return blocks;
	}

	/**
	 * Loads the observation map from a jsonfile
	 */
	public static void loadObservingFile() {
		ArrayList<String> lines = DataStorageDriver.readFromWorldFile(Constants.OBSERVER_FILE_NAME);
		if (lines == null || lines.size() == 0) {
			Logger.w(TAG, "No saved data found");
			return;
		}

		map = new HashMap<String, HashMap<String, ObservedBlock>>();

		/*
		 * JSON structure: {
		 * "observers":{"msspublic":[<blockjsonobject>,<block2jsonobject>]
		 * ,"maxanier":[]} }
		 */

		try {
			JSONObject data = new JSONObject(lines.get(0));
			JSONObject observers = data.getJSONObject("observers");

			for (String k : JSONObject.getNames(observers)) {
				JSONArray blocks = observers.getJSONArray(k);
				HashMap<String, ObservedBlock> map = new HashMap<String, ObservedBlock>();

				for (int i = 0; i < blocks.length(); i++) {
					ObservedBlock b = ObservedBlock.createFromJson(blocks.getJSONObject(i));
					if (b != null) {
						map.put(b.getLabel(), b);
					}

				}
				ObservingManager.map.put(k, map);
			}
		} catch (JSONException e) {
			Logger.e(TAG, "Failed to parse observer json file", e);
		} catch (NullPointerException e) {
			Logger.e(TAG, "Failed to parse observer json file", e);
		}

	}

	/**
	 * Adds a new Block to the observing map
	 * 
	 * @param username
	 *            player who create the observation
	 * @param publ
	 *            if everyone should see this, the method test if this is allowed
	 * @param block
	 *            block to add
	 * @return false if an old observation was overriden
	 */
	public static boolean observeBlock(String username, boolean publ, ObservedBlock block) {
		if (publ) {
			if (Configs.obs_publ_admin) {
				if (Helper.isPlayerOpped(username)) {
					username = PUBLIC_USER;
				}
			} else {
				username = PUBLIC_USER;
			}
		}

		if (map == null) {
			map = new HashMap<String, HashMap<String, ObservedBlock>>();
		}

		if (!map.containsKey(username)) {
			map.put(username, new HashMap<String, ObservedBlock>());
		}

		if (map.get(username).put(block.getLabel(), block) == null) {
			return true;
		}
		return false;
	}

	/**
	 * Removes the block with the given label from the observing list
	 * 
	 * @param username
	 *            playername
	 * @param label
	 * @return if block was removed
	 */
	public static boolean removeObservedBlock(String username, String label) {
		try {
			if (map.get(username) != null) {
				if (map.get(username).remove(label) != null) {
					return true;
				}
			}
		} catch (NullPointerException e) {
		}

		try {
			if (!Configs.obs_publ_admin || Helper.isPlayerOpped(username)) {
				if (map.get(PUBLIC_USER).remove(label) != null) {
					return true;
				}
			}
		} catch (NullPointerException e) {

		}

		return false;
	}

	/**
	 * Saves the observation map to a file in json format
	 */
	public static void saveObservingFile() {
		JSONObject data = new JSONObject();

		JSONObject observers = new JSONObject();

		try {
			if(map!=null){
				for (Map.Entry<String, HashMap<String, ObservedBlock>> e : map.entrySet()) {

					JSONArray blocks = new JSONArray();
					for (ObservedBlock b : e.getValue().values()) {
						blocks.put(b.toJSON());
					}
					observers.put(e.getKey(), blocks);
				}
			}
			
		} catch (JSONException e) {
			Logger.e(TAG, "JsonException while saving", e);
		} catch (NullPointerException e) {
			Logger.e(TAG, "Nullpointer while saving", e);
		}

		data.put("observers", observers);

		ArrayList<String> lines = new ArrayList<String>();
		lines.add(data.toString());

		DataStorageDriver.writeToWorldFile(Constants.OBSERVER_FILE_NAME, lines);
	}

}
 public class WorldInfoListener extends StandardListener {
	/**
	 * MinecraftTime Gets a string with only needed elements. Max time is weeks
	 * 
	 * @param timeInTicks
	 * @return Time in string format
	 */
	public static String parseTime(int timeInTicks) {
		String time = "";
		// int weeks = timeInTicks / (168000);
		int remainder = timeInTicks % (168000);
		// int days = remainder / 24000;
		remainder = timeInTicks % 24000;
		int hours = remainder / 1000;
		remainder = timeInTicks % 1000;
		int minutes = remainder / 17;

		// Not interesting
		// if (weeks != 0) {
		// time += weeks + " weeks ";
		// }
		//
		// if (days != 0) {
		// time += (days < 10 ? "0" : "") + days + " days ";
		// }

		if (hours != 0) {
			time += (hours < 10 ? "0" : "") + hours + " h ";
		}

		if (minutes != 0) {
			time += (minutes < 10 ? "0" : "") + minutes + " min ";
		}

		return time;
	}

	HashMap<Integer, WorldServer> worlds;

	private final String TAG = "WorldInfoListener";

	public WorldInfoListener(User user) {
		super(user);
		everyTick = Configs.world_info_update_time;
		worlds = new HashMap<Integer, WorldServer>();

        for (WorldServer s : server.worlds) {
            worlds.put(s.provider.getDimension(), s);
        }
		Logger.i(TAG, "Worlds: " + worlds.toString());
	}

	@Override
	public String update() {
		JSONObject info = new JSONObject();

		// General Overworldinfo
		JSONObject ow = new JSONObject();

        for (WorldServer w : server.worlds) {
            if (w.provider.getDimension() == 0) {
                WorldInfo i = w.getWorldInfo();
				ow.put("name", i.getWorldName());
				ow.put("time", parseTime((int) i.getWorldTime() + 6000));
				ow.put("rain", i.isRaining());
				ow.put("timetillrain", parseTime(i.getRainTime()));
				break;
			}
		}
		info.put("overworld", ow);

		// Observing Info
		ObservedBlock.addObservingInfo(info, worlds, user.username);

		// TestMessage
		// return PROTOKOLL.WORLD_INFO_LISTENER + "-" +
		// "{\"overworld\":{\"time\":\"17 h 31 min \",\"name\":\"New World\",\"timetillrain\":\"09 h 01 min \",\"rain\":false},\"th_node\":[{\"aspects\":{\"Perditio\":11,\"Ordo\":12,\"Ignis\":17},\"label\":\"nod\"},{\"aspects\":{\"Ignis\":9},\"label\":\"node\"},{\"aspects\":{\"Terra\":22,\"Ignis\":31},\"label\":\"nodes\"},{\"aspects\":{\"Ignis\":9},\"label\":\"node\"}],\"redstone\":[[\"label\",true,false],[\"lever\",true,true]]}";
		return PROTOKOLL.WORLD_INFO_LISTENER + "-" + info.toString();
	}

} public class PROTOKOLL {

	// Listener managment commands
	public static final String REGISTER_COMMAND_BEGIN = "r-";
	public static final String UNREGISTER_COMMAND_BEGIN = "ur-";

	// Listeners
	public static final String S_PLAYERINFO_LISTENER = "spil";
	public static final String PLAYER_INVENTORY_LISTENER = "pil";
	public static final String SERVER_INFO_LISTENER = "sil";
	public static final String WORLD_INFO_LISTENER = "wil";
	public static final String CHAT_LISTENER = "cl";
	public static final String ALL_LISTENERS = "all";

	// Action commands
	public static final String ACTION_COMMAND_BEGIN = "do-";
	public static final String ACTION_RESULT_BEGIN = "doresult-";

	/**
	 * Chat message action. Followed by Json string containing "msg"(String)
	 */
	public static final String A_CHAT_MSG = "cm";
	/**
	 * Switch lever state action. Followed by Json string containing
	 * "label"(String),"state"(Boolean)
	 */
	public static final String A_RED_CONTROL = "rc";
	
	/**
	 * Asks for the latest chat messages. No params
	 */
	public static final String A_GET_CHAT = "gc";

	// Connection

	/**
	 * Connect message Connection procedure: C-S: CONNECT S-C: CONNECT_RESULT
	 * C-S: LOGIN (if auth is required, with password hash) S-C: LOGIN_RESULT
	 * S-C or C-S DISCONNECT or SERVER_STOPPING All messages which contain
	 * success=0 should contain an "error" field with an error message
	 */
	public static final String CONNECT = "connecting";

	/**
	 * Connect result send to the client. Followed by Json string containing:
	 * "versionid"(int),"minecraftversion"(String),"login_required"(boolean)
	 */
	public static final String CONNECT_RESULT = "conncted";//!!!typing mistake
	/**
	 * Login message send to the server. Followed by Json string containing:
	 * "username"(String),"password"(md5 hash of password as
	 * String),"clientid"(String),"clientversion"(int)
	 */
	public static final String LOGIN = "login";
	/**
	 * Login result message send to the client. Followed by Json string
	 * containing: "success"(int
	 * [0/1]),"clientupdate"(boolean),"clientupdatenecessary"(boolean)
	 */
	public static final String LOGIN_RESULT = "login_result";

	public static final String SERVER_STOPPING = "server_stopping";
	public static final String DISCONNECT = "disconnect";
	
	

	// Etc
	/**
	 * If the message is unknown. Followed by " ["+orginalmessage+"]"
	 */
	public static final String UNKNOWN = "unknown";

	/**
	 * If an error occured, while processing a message. Followed by error
	 * message and by " ["+orginalmessage+"]"
	 */
	public static final String ERROR = "error";
} @SuppressWarnings("rawtypes")
public class ForceUpdateEvent extends Event {
	public final Class listener;

	public ForceUpdateEvent(Class updateListener) {
		listener = updateListener;
	}
} public class Logger {

	public static void d(String tag, String msg) {
		if(Configs.debug_mode){
			log(Level.INFO, "[" + tag + "]" + msg);
		}

	}

	public static void e(String tag, String msg) {
		log(Level.ERROR, "[" + tag + "]" + msg);
	}

	public static void e(String tag, String msg, Throwable t) {
		String stacktrace = "";
		
		PrintStream p;
		try {
			p = new PrintStream(stacktrace);
			t.printStackTrace(p);
		} catch (FileNotFoundException e1) {
			stacktrace = t.getMessage();
		}
		log(Level.ERROR, "[" + tag + "]" + msg + "\nThrowable: "+t.getClass().getCanonicalName()+"\nStacktrace: " + stacktrace+"\nMessage: "+t.getMessage());
	}


	public static void i(String tag, String msg) {
		log(Level.INFO, "[" + tag + "]" + msg);
	}


	private static void log(Level level, String msg) {
		FMLLog.log(Constants.MOD_ID, level, msg);
	}

	public static void w(String tag, String msg) {
		log(Level.WARN, "[" + tag + "]" + msg);

	}
}
 public class User {

	public final String username;
	private int password;
	private final String TAG = "UserObject";
	private static final String perm_category = "permissions";

	/**
	 * Creates a user object from a config file
	 * @param config
	 * @return
	 */
	public static User readFromConfig(Configuration config) {
		String name = config.get(Configuration.CATEGORY_GENERAL, "username", "").getString();
		int pass = config.get(Configuration.CATEGORY_GENERAL, "password", 0).getInt();
		if (pass == 0) {
			return null;
		}
		HashMap<String, Boolean> perm = new HashMap<String, Boolean>();
		ConfigCategory p = config.getCategory(perm_category);
		for (Entry<String, Property> e : p.entrySet()) {
			perm.put(e.getKey(), e.getValue().getBoolean(false));
		}
		return new User(name, pass, perm);
	}

	/**
	 * Map which saves the status for each permission
	 */
	private HashMap<String, Boolean> perm;

	private boolean all_allowed;
	private ClientVersion.ClientInfo client;

	public User(String username, int password) {
		this(username, password, null);
	}

	private User(String username, int password, HashMap<String, Boolean> perm) {
		this.username = username;
		this.password = password;
		if (perm == null) {
			perm = new HashMap<String, Boolean>();
		}
		this.perm = perm;
	}

	public ClientVersion.ClientInfo getClient() {
		return client;
	}

	public int getPassword() {
		return password;
	}

	/**
	 * Returns the player entity corrosponding to this user
	 * @param s
	 * @return entity, null if not online
	 */
	public EntityPlayerMP getPlayer(MinecraftServer s) {
		if (s == null) {
			Logger.w(TAG, "Server null, cant find user");
			return null;
		}
        for (EntityPlayerMP p : s.getPlayerList().getPlayers()) {
            if (p.getName().equals(username)) {
                return p;
            }
		}
		return null;
	}

	/**
	 * Checks if the user has the permission
	 * 
	 * @param perm
	 *            Permission which should be checked
	 * @param default_value
	 *            Default value, if nothing is set
	 * @return
	 */
	public boolean isAllowedTo(String perm, boolean default_value) {
		if (all_allowed) {
			return true;
		}
		if (this.perm.containsKey(perm)) {
			return this.perm.get(perm);
		} else {
			this.perm.put(perm, default_value);
			return default_value;
		}
	}

	/**
	 * Saves the user to config file
	 * @param config
	 * @return
	 */
	public boolean saveToConfig(Configuration config) {
		config.get(Configuration.CATEGORY_GENERAL, "username", username).set(username);
		config.get(Configuration.CATEGORY_GENERAL, "password", password).set(password);
		for (Entry<String, Boolean> e : perm.entrySet()) {
			config.get(perm_category, e.getKey(), e.getValue()).set(e.getValue());
		}
		if (config.hasChanged()) {
			config.save();
		}
		return true;
	}

	/**
	 * Give the user all permissions
	 * 
	 * @param allowed
	 */
	public void setAllAllowed(boolean allowed) {
		this.all_allowed = allowed;
	}

	public void setClient(ClientVersion.ClientInfo client) {
		this.client = client;
	}

	public void setPassword(int p) {

		password = p;
	}
} public class ObservedBlock {

	/**
	 * Collects the data from all observed blocks, seperates them by types and
	 * puts the results in the parent JSON
	 *
	 * @param parent
	 *            JSONObject to store data
	 * @param worlds
	 *            Minecraftworlds which contain the blocks
	 */
	public static void addObservingInfo(JSONObject parent, HashMap<Integer, WorldServer> worlds, String username) {

		ArrayList<ObservedBlock> blocks = ObservingManager.getObservedBlocks(username, true);
		for (int i = 0; i < blocks.size(); i++) {
			ObservedBlock block = blocks.get(i);

			WorldServer world = worlds.get(block.dimensionId);

			if (world == null) {
				Logger.w(TAG, "Dimension corrosponding to the block not found: " + block.dimensionId);
				ObservingManager.removeObservedBlock(username, block.label);

			} else {
				if (world.getBlockState(block.pos).getMaterial() == Material.AIR) {
					Logger.w(TAG, "Blocks material is air -> remove");
					ObservingManager.removeObservedBlock(username, block.label);
				} else {
					for (ObservingType t : getObservingTypes()) {
						if (t.getId() == block.type) {
							if (!t.addInfoForBlock(world, block)) {
								ObservingManager.removeObservedBlock(username, block.label);
							}
							break;
						}

					}
				}
			}
		}

		for (ObservingType t : getObservingTypes()) {
			t.finishInfoCreation(parent);
		}

	}

	private final static String TAG = "ObservedBlock";

	private static List<ObservingType> observingTypes;

	/**
	 * Interface for observingtypes e.g. InventoryObserver or FluidTankObserver
	 *
	 * @author Max
	 */
	public interface ObservingType {
		/**
		 * Adds the informations about the given block to the next update
		 *
		 * @param block
		 * @param world World the block is in
		 * @return false if the block should be removed from the list
		 */
		boolean addInfoForBlock(World world, ObservedBlock block);

		/**
		 * Tests if this block/tile can be observed by this observer type
		 *
		 * @param block
		 * @param tile  tile can be null
		 * @return
		 */
		boolean canObserve(IBlockState block, TileEntity tile);

		/**
		 * Adds all information collected by
		 * {@link #addInfoForBlock(ObservedBlock) addInfoForBlock} method. Does
		 * not change anything if nothing to add
		 *
		 * @param parent JSONObject the info shall be added to
		 */
		void finishInfoCreation(JSONObject parent);

		/**
		 * @return ID for this type
		 */
		int getId();

		/**
		 * @return A string which can be used to indentify this type in commands
		 * etc
		 */
		String getIdentifier();

		/**
		 * @return A short string which can be used to indentify this type in
		 * commands etc
		 */
		String getShortIndentifier();
	}

	/**
	 * Creates an ObservedBlock from its json save data
	 * 
	 * @param json
	 * @return
	 */
	public static ObservedBlock createFromJson(JSONObject json) {
		try {
			ObservedBlock b = new ObservedBlock();
			b.label = json.getString("label");

			JSONArray coord = json.getJSONArray("coord");
			b.pos=new BlockPos(coord.getInt(0),coord.getInt(1),coord.getInt(2));
			b.dimensionId = coord.getInt(3);

			b.type = json.getInt("type");

			if (json.has("side_str")) {
				b.side = EnumFacing.byName(json.getString("side_str"));
			} else {
				b.side = EnumFacing.UP;
			}

			return b;
		} catch (JSONException e) {
			Logger.e(TAG, "Failed to parse block", e);
			return null;
		}

	}

	/**
	 * @return A list of all available ObservingTypes
	 */
	public static List<ObservingType> getObservingTypes() {
		if (observingTypes == null) {
			observingTypes = new ArrayList<ObservingType>();
			observingTypes.add(new RedstoneObserver());
			observingTypes.add(new InventoryObserver());
			observingTypes.add(new FluidTankObserver());
			//observingTypes.add(new NodeObserver());
			//observingTypes.add(new RFEnergyStorageObserver());
		}

		return observingTypes;
	}

	protected String label;

	protected int dimensionId;
	
	protected BlockPos pos;
	
	protected EnumFacing side;

	protected int type;

	private ObservedBlock() {

	}

	/**
	 * Creates a ObservedBlock
	 * @param label Name/Label
	 * @param x X-Coord
	 * @param y Y-Coord
	 * @param z Z-Coord
	 * @param dimensionId Worlddimension id
	 * @param type ObservingType given by the corrosponding observer class
	 * @param sideHit Side it was registered from
	 */
	public ObservedBlock(String label, BlockPos pos, int dimensionId, int type, EnumFacing sideHit) {
		this.pos=pos;
		this.label = label;
		this.dimensionId = dimensionId;
		this.type = type;
		this.side = sideHit;
	}

	/**
	 * Returns the block assosiated with the coordinated in the given world
	 * 
	 * @param world
	 *            world
	 * @return block
	 */
	public Block getBlock(IBlockAccess world) {
		return world.getBlockState(pos).getBlock();
	}

	public String getLabel() {
		return label;
	}

	/**
	 * Created a JsonObject representing this block
	 * 
	 * @return
	 */
	public JSONObject toJSON() {
		JSONObject json = new JSONObject();
		json.put("label", label);

		JSONArray coord = new JSONArray();
		coord.put(pos.getX());
		coord.put(pos.getY());
		coord.put(pos.getZ());
		coord.put(dimensionId);

		json.put("coord", coord);
		json.put("side_str", side.getName());

		json.put("type", type);

		return json;
	}
} public class RedstoneObserver implements ObservedBlock.ObservingType {

	public final static int ID = 1;

	public static boolean canObserve(IBlockState block) {
		if (block != null && block.getBlock() instanceof BlockLever) {
			return true;
		} else if (block != null && block.isNormalCube()) {
			return true;
		}
		return false;
	}

	/**
	 * Sets the state of a lever
	 * 
	 * @param b
	 *            Block
	 * @param state
	 *            State
	 * @return Whether the block is a lever or not
	 */
	public static boolean setLeverState(ObservedBlock b, boolean state) {
		if (b.type == ID) {
			World w = FMLCommonHandler.instance().getMinecraftServerInstance().getWorld(b.dimensionId);

			if (w.getBlockState(b.pos).getBlock() instanceof BlockLever) {
				IBlockState st = w.getBlockState(b.pos);

				if (!st.getValue(BlockLever.POWERED).equals(state)) {
					st = st.withProperty(BlockLever.POWERED, state);
					w.setBlockState(b.pos, st, 3);
					w.notifyNeighborsOfStateChange(b.pos, w.getBlockState(b.pos).getBlock(), true);
					EnumFacing enumfacing1 = st.getValue(BlockLever.FACING).getFacing();
					w.notifyNeighborsOfStateChange(b.pos.offset(enumfacing1.getOpposite()), w.getBlockState(b.pos).getBlock(), true);
				}
				
				
				w.spawnParticle(EnumParticleTypes.REDSTONE, b.pos.getX(), b.pos.getY() + 1, b.pos.getZ(), 0.0D, 255.0D, 0.0D);

				return true;
			}
		}
		return false;
	}

	private JSONArray info;

	@Override
	public boolean addInfoForBlock(World world, ObservedBlock block) {
		if (info == null) {
			info = new JSONArray();
		}
		JSONArray in = new JSONArray();
		in.put(block.label).put((world.isBlockIndirectlyGettingPowered(block.pos)>0))
				.put(block.getBlock(world) instanceof BlockLever);

		info.put(in);
		return true;
	}

	@Override
	public boolean canObserve(IBlockState block, TileEntity tile) {
		return RedstoneObserver.canObserve(block);
	}

	@Override
	public void finishInfoCreation(JSONObject parent) {
		if (info != null && info.length() > 0) {
			parent.put("redstone", info);
			info = null;
		}

	}

	@Override
	public int getId() {
		return RedstoneObserver.ID;
	}

	@Override
	public String getIdentifier() {
		return "redstone";
	}

	@Override
	public String getShortIndentifier() {
		return "r";
	}

}
import net.minecraftforge.fml.common.FMLCommonHandler;
import org.json.JSONObject;
import de.maxgb.minecraft.second_screen.actions.ActionManager.ActionResultListener;
import de.maxgb.minecraft.second_screen.actions.ActionManager.IAction;
import de.maxgb.minecraft.second_screen.data.ObservingManager;
import de.maxgb.minecraft.second_screen.info_listener.WorldInfoListener;
import de.maxgb.minecraft.second_screen.shared.PROTOKOLL;
import de.maxgb.minecraft.second_screen.util.ForceUpdateEvent;
import de.maxgb.minecraft.second_screen.util.Logger;
import de.maxgb.minecraft.second_screen.util.User;
import de.maxgb.minecraft.second_screen.world_observer.ObservedBlock;
import de.maxgb.minecraft.second_screen.world_observer.RedstoneObserver;
package de.maxgb.minecraft.second_screen.actions;




/**
 * Action which can change levers ingame
 * @author Max
 *
 */
public class RedstoneControlAction implements IAction {

	private static final String TAG = "RedstoneControlAction";
	private static final String PERMISSION = "control_redstone";

	@Override
	public void doAction(JSONObject param, User user, ActionResultListener listener) {