/FileExtraction/Java_unseen/Wind-Development_WindSpigot/WindSpigot-API/src/main/java/org/bukkit/metadata/MetadataValueAdapter.java
package org.bukkit.metadata;

import java.lang.ref.WeakReference;

import org.apache.commons.lang.Validate;
import org.bukkit.plugin.Plugin;
import org.bukkit.util.NumberConversions;

/**
 * Optional base class for facilitating MetadataValue implementations.
 * <p>
 * This provides all the conversion functions for MetadataValue so that writing
 * an implementation of MetadataValue is as simple as implementing value() and
 * invalidate().
 */
public abstract class MetadataValueAdapter implements MetadataValue {
	protected final WeakReference<Plugin> owningPlugin;

	protected MetadataValueAdapter(Plugin owningPlugin) {
		Validate.notNull(owningPlugin, "owningPlugin cannot be null");
		this.owningPlugin = new WeakReference<Plugin>(owningPlugin);
	}

	public Plugin getOwningPlugin() {
		return owningPlugin.get();
	}

	public int asInt() {
		return NumberConversions.toInt(value());
	}

	public float asFloat() {
		return NumberConversions.toFloat(value());
	}

	public double asDouble() {
		return NumberConversions.toDouble(value());
	}

	public long asLong() {
		return NumberConversions.toLong(value());
	}

	public short asShort() {
		return NumberConversions.toShort(value());
	}

	public byte asByte() {
		return NumberConversions.toByte(value());
	}

	public boolean asBoolean() {
		Object value = value();
		if (value instanceof Boolean) {
			return (Boolean) value;
		}

		if (value instanceof Number) {
			return ((Number) value).intValue() != 0;
		}

		if (value instanceof String) {
			return Boolean.parseBoolean((String) value);
		}

		return value != null;
	}

	public String asString() {
		Object value = value();

		if (value == null) {
			return "";
		}
		return value.toString();
	}

}
