// Path: src/main/java/org/jboss/vfs/VFSMessages.java
// @MessageBundle(projectCode = "VFS")
// public interface VFSMessages {
//     /**
//      * The messages
//      */
//     VFSMessages MESSAGES = Messages.getBundle(VFSMessages.class);
// 
//     @Message(id = 10, value = "Can't set up temp file provider")
//     RuntimeException cantSetupTempFileProvider(@Cause Throwable cause);
// 
//     @Message(id = 11, value = "Temp directory closed")
//     IOException tempDirectoryClosed();
// 
//     @Message(id = 12, value = "Temp file provider closed")
//     IOException tempFileProviderClosed();
// 
//     //  Retired
//     //    @Message(id = 13, value = "Failed to clean existing content for temp file provider of type %s")
//     //    IOException failedToCleanExistingContentForTempFileProvider(String providerType);
// 
//     @Message(id = 14, value = "Could not create directory for root '%s' (prefix '%s', suffix '%s') after %d attempts")
//     IOException couldNotCreateDirectoryForRoot(File root, String prefix, String suffix, int retries);
// 
//     @Message(id = 15, value = "Could not create directory for original name '%s' after %d attempts")
//     IOException couldNotCreateDirectory(String originalName, int retries);
// 
//     @Message(id = 16, value = "Root filesystem already mounted")
//     IOException rootFileSystemAlreadyMounted();
// 
//     @Message(id = 17, value = "Filesystem already mounted at mount point \"%s\"")
//     IOException fileSystemAlreadyMountedAtMountPoint(VirtualFile mountPoint);
// 
//     @Message(id = 18, value = "Stream is closed")
//     IOException streamIsClosed();
// 
//     @Message(id = 19, value = "Not a file: '%s'")
//     IOException notAFile(String path);
// 
//     @Message(id = 20, value = "Remote host access not supported for URLs of type '%s'")
//     IOException remoteHostAccessNotSupportedForUrls(String protocol);
// 
//     @Message(id = 21, value = "%s must not be null")
//     IllegalArgumentException nullArgument(String name);
// 
//     @Message(id = 22, value = "Null or empty %s")
//     IllegalArgumentException nullOrEmpty(String name);
// 
//     @Message(id = 23, value = "Given parent (%s) is not an ancestor of this virtual file")
//     IllegalArgumentException parentIsNotAncestor(VirtualFile parent);
// 
//     @Message(id = 24, value = "Problems creating new directory: %s")
//     IllegalArgumentException problemCreatingNewDirectory(VirtualFile targetChild);
// 
//     @Message(id = 25, value = "Invalid Win32 path: %s")
//     IllegalArgumentException invalidWin32Path(String path);
// 
//     @Message(id = 26, value = "Cannot decode: %s [%s]")
//     IllegalArgumentException cannotDecode(String path, String encoding, @Cause Exception e);
// 
//     @Message(id = 27, value = "Invalid jar signature %s should be %s")
//     IOException invalidJarSignature(String bytes, String expectedHeader);
// 
//     @Message(id = 28, value = "Invalid actions string: %s")
//     IllegalArgumentException invalidActionsString(String actions);
// 
//     @Message(id = 29, value = "The totalBufferLength must be larger than: %s")
//     IllegalArgumentException bufferMustBeLargerThan(int minimumBufferLength);
// 
//     @Message(id = 30, value = "Buffer does not have enough capacity")
//     IllegalArgumentException bufferDoesntHaveEnoughCapacity();
// 
//     @Message(id = 31, value = "The preconfigured attributes are immutable")
//     IllegalStateException preconfiguredAttributesAreImmutable();
// 
//     @Message(id = 32, value = ".. on root path")
//     IllegalStateException onRootPath();
// }


import java.io.IOException;
import java.net.Proxy;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;
import java.util.HashSet;
import java.util.Set;
import org.jboss.vfs.VFSMessages;
/*
 * JBoss, Home of Professional Open Source
 * Copyright 2010, JBoss Inc., and individual contributors as indicated
 * by the @authors tag.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.vfs.protocol;



/**
 * Abstract URLStreamHandler that can be used as a base for other URLStreamHandlers that
 * require the URL to be local.
 *
 * @author <a href=mailto:jbailey@redhat.com">John Bailey</a>
 * @version $Revision$
 */
public abstract class AbstractLocalURLStreamHandler extends URLStreamHandler {

    private static final Set<String> locals;

    static {
        Set<String> set = new HashSet<String>();
        set.add(null);
        set.add("");
        set.add("~");
        set.add("localhost");
        locals = set;
    }

    private static String toLower(String str) {
        return str == null ? null : str.toLowerCase();
    }

    @Override
    protected URLConnection openConnection(URL u, Proxy p) throws IOException {
        return openConnection(u);
    }

    @Override
    protected boolean hostsEqual(URL url1, URL url2) {
        return locals.contains(toLower(url1.getHost())) && locals.contains(toLower(url2.getHost())) || super.hostsEqual(url1, url2);
    }

    protected void ensureLocal(URL url) throws IOException {
        if (!locals.contains(toLower(url.getHost()))) {
// Path: src/main/java/org/jboss/vfs/VFSMessages.java
// @MessageBundle(projectCode = "VFS")
// public interface VFSMessages {
//     /**
//      * The messages
//      */
//     VFSMessages MESSAGES = Messages.getBundle(VFSMessages.class);
// 
//     @Message(id = 10, value = "Can't set up temp file provider")
//     RuntimeException cantSetupTempFileProvider(@Cause Throwable cause);
// 
//     @Message(id = 11, value = "Temp directory closed")
//     IOException tempDirectoryClosed();
// 
//     @Message(id = 12, value = "Temp file provider closed")
//     IOException tempFileProviderClosed();
// 
//     //  Retired
//     //    @Message(id = 13, value = "Failed to clean existing content for temp file provider of type %s")
//     //    IOException failedToCleanExistingContentForTempFileProvider(String providerType);
// 
//     @Message(id = 14, value = "Could not create directory for root '%s' (prefix '%s', suffix '%s') after %d attempts")
//     IOException couldNotCreateDirectoryForRoot(File root, String prefix, String suffix, int retries);
// 
//     @Message(id = 15, value = "Could not create directory for original name '%s' after %d attempts")
//     IOException couldNotCreateDirectory(String originalName, int retries);
// 
//     @Message(id = 16, value = "Root filesystem already mounted")
//     IOException rootFileSystemAlreadyMounted();
// 
//     @Message(id = 17, value = "Filesystem already mounted at mount point \"%s\"")
//     IOException fileSystemAlreadyMountedAtMountPoint(VirtualFile mountPoint);
// 
//     @Message(id = 18, value = "Stream is closed")
//     IOException streamIsClosed();
// 
//     @Message(id = 19, value = "Not a file: '%s'")
//     IOException notAFile(String path);
// 
//     @Message(id = 20, value = "Remote host access not supported for URLs of type '%s'")
//     IOException remoteHostAccessNotSupportedForUrls(String protocol);
// 
//     @Message(id = 21, value = "%s must not be null")
//     IllegalArgumentException nullArgument(String name);
// 
//     @Message(id = 22, value = "Null or empty %s")
//     IllegalArgumentException nullOrEmpty(String name);
// 
//     @Message(id = 23, value = "Given parent (%s) is not an ancestor of this virtual file")
//     IllegalArgumentException parentIsNotAncestor(VirtualFile parent);
// 
//     @Message(id = 24, value = "Problems creating new directory: %s")
//     IllegalArgumentException problemCreatingNewDirectory(VirtualFile targetChild);
// 
//     @Message(id = 25, value = "Invalid Win32 path: %s")
//     IllegalArgumentException invalidWin32Path(String path);
// 
//     @Message(id = 26, value = "Cannot decode: %s [%s]")
//     IllegalArgumentException cannotDecode(String path, String encoding, @Cause Exception e);
// 
//     @Message(id = 27, value = "Invalid jar signature %s should be %s")
//     IOException invalidJarSignature(String bytes, String expectedHeader);
// 
//     @Message(id = 28, value = "Invalid actions string: %s")
//     IllegalArgumentException invalidActionsString(String actions);
// 
//     @Message(id = 29, value = "The totalBufferLength must be larger than: %s")
//     IllegalArgumentException bufferMustBeLargerThan(int minimumBufferLength);
// 
//     @Message(id = 30, value = "Buffer does not have enough capacity")
//     IllegalArgumentException bufferDoesntHaveEnoughCapacity();
// 
//     @Message(id = 31, value = "The preconfigured attributes are immutable")
//     IllegalStateException preconfiguredAttributesAreImmutable();
// 
//     @Message(id = 32, value = ".. on root path")
//     IllegalStateException onRootPath();
// }


// Path: src/main/java/org/jboss/vfs/protocol/AbstractLocalURLStreamHandler.java
import java.io.IOException;
import java.net.Proxy;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;
import java.util.HashSet;
import java.util.Set;
import org.jboss.vfs.VFSMessages;

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2010, JBoss Inc., and individual contributors as indicated
 * by the @authors tag.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.vfs.protocol;



/**
 * Abstract URLStreamHandler that can be used as a base for other URLStreamHandlers that
 * require the URL to be local.
 *
 * @author <a href=mailto:jbailey@redhat.com">John Bailey</a>
 * @version $Revision$
 */
public abstract class AbstractLocalURLStreamHandler extends URLStreamHandler {

    private static final Set<String> locals;

    static {
        Set<String> set = new HashSet<String>();
        set.add(null);
        set.add("");
        set.add("~");
        set.add("localhost");
        locals = set;
    }

    private static String toLower(String str) {
        return str == null ? null : str.toLowerCase();
    }

    @Override
    protected URLConnection openConnection(URL u, Proxy p) throws IOException {
        return openConnection(u);
    }

    @Override
    protected boolean hostsEqual(URL url1, URL url2) {
        return locals.contains(toLower(url1.getHost())) && locals.contains(toLower(url2.getHost())) || super.hostsEqual(url1, url2);
    }

    protected void ensureLocal(URL url) throws IOException {
        if (!locals.contains(toLower(url.getHost()))) {
            throw VFSMessages.MESSAGES.remoteHostAccessNotSupportedForUrls(url.getProtocol());