// Path: src/main/java/org/jboss/vfs/util/LazyInputStream.java
// public class LazyInputStream extends InputStream {
//     private VirtualFile file;
//     private InputStream stream;
// 
//     public LazyInputStream(VirtualFile file) {
//         if (file == null) {
//             throw MESSAGES.nullArgument("file");
//         }
//         this.file = file;
//     }
// 
//     /**
//      * Open stream.
//      *
//      * @return file's stream
//      * @throws IOException for any IO error
//      */
//     protected synchronized InputStream openStream() throws IOException {
//         if (stream == null) { stream = file.openStream(); }
//         return stream;
//     }
// 
//     @Override
//     public int read() throws IOException {
//         return openStream().read();
//     }
// 
//     @Override
//     public int read(byte[] b) throws IOException {
//         return openStream().read(b);
//     }
// 
//     @Override
//     public int read(byte[] b, int off, int len) throws IOException {
//         return openStream().read(b, off, len);
//     }
// 
//     @Override
//     public long skip(long n) throws IOException {
//         return openStream().skip(n);
//     }
// 
//     @Override
//     public int available() throws IOException {
//         return openStream().available();
//     }
// 
//     @Override
//     public synchronized void close() throws IOException {
//         if (stream == null) { return; }
// 
//         openStream().close();
//         stream = null; // reset the stream
//     }
// 
//     @Override
//     public void mark(int readlimit) {
//         try {
//             openStream().mark(readlimit);
//         } catch (IOException e) {
//             throw new RuntimeException(e);
//         }
//     }
// 
//     @Override
//     public void reset() throws IOException {
//         openStream().reset();
//     }
// 
//     @Override
//     public boolean markSupported() {
//         try {
//             return openStream().markSupported();
//         } catch (IOException e) {
//             throw new RuntimeException(e);
//         }
//     }
// }


import java.io.InputStream;
import org.jboss.vfs.util.LazyInputStream;
import org.xml.sax.InputSource;

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * 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;



/**
 * VFS based impl of InputSource.
 *
 * @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
 */
public class VFSInputSource extends InputSource {

    private VirtualFile file;

    public VFSInputSource(VirtualFile file) {
        if (file == null) {
            throw VFSMessages.MESSAGES.nullArgument("file");
        }
        this.file = file;
    }

    @Override
    public String getSystemId() {
        try {
            return VFSUtils.getVirtualURI(file).toString();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public InputStream getByteStream() {

// Path: src/main/java/org/jboss/vfs/util/LazyInputStream.java
// public class LazyInputStream extends InputStream {
//     private VirtualFile file;
//     private InputStream stream;
// 
//     public LazyInputStream(VirtualFile file) {
//         if (file == null) {
//             throw MESSAGES.nullArgument("file");
//         }
//         this.file = file;
//     }
// 
//     /**
//      * Open stream.
//      *
//      * @return file's stream
//      * @throws IOException for any IO error
//      */
//     protected synchronized InputStream openStream() throws IOException {
//         if (stream == null) { stream = file.openStream(); }
//         return stream;
//     }
// 
//     @Override
//     public int read() throws IOException {
//         return openStream().read();
//     }
// 
//     @Override
//     public int read(byte[] b) throws IOException {
//         return openStream().read(b);
//     }
// 
//     @Override
//     public int read(byte[] b, int off, int len) throws IOException {
//         return openStream().read(b, off, len);
//     }
// 
//     @Override
//     public long skip(long n) throws IOException {
//         return openStream().skip(n);
//     }
// 
//     @Override
//     public int available() throws IOException {
//         return openStream().available();
//     }
// 
//     @Override
//     public synchronized void close() throws IOException {
//         if (stream == null) { return; }
// 
//         openStream().close();
//         stream = null; // reset the stream
//     }
// 
//     @Override
//     public void mark(int readlimit) {
//         try {
//             openStream().mark(readlimit);
//         } catch (IOException e) {
//             throw new RuntimeException(e);
//         }
//     }
// 
//     @Override
//     public void reset() throws IOException {
//         openStream().reset();
//     }
// 
//     @Override
//     public boolean markSupported() {
//         try {
//             return openStream().markSupported();
//         } catch (IOException e) {
//             throw new RuntimeException(e);
//         }
//     }
// }


// Path: src/main/java/org/jboss/vfs/VFSInputSource.java
import java.io.InputStream;
import org.jboss.vfs.util.LazyInputStream;
import org.xml.sax.InputSource;

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * 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;



/**
 * VFS based impl of InputSource.
 *
 * @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
 */
public class VFSInputSource extends InputSource {

    private VirtualFile file;

    public VFSInputSource(VirtualFile file) {
        if (file == null) {
            throw VFSMessages.MESSAGES.nullArgument("file");
        }
        this.file = file;
    }

    @Override
    public String getSystemId() {
        try {
            return VFSUtils.getVirtualURI(file).toString();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public InputStream getByteStream() {

        return new LazyInputStream(file);
