org.jboss.vfs.protocol.FileURLConnection Maven / Gradle / Ivy
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* 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;
import java.io.File;
import java.io.FilePermission;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.security.Permission;
import org.jboss.vfs.VFS;
import org.jboss.vfs.VirtualFile;
import org.jboss.vfs.spi.RootFileSystem;
/**
* Implementation URLConnection that will delegate to the VFS RootFileSystem.
*
* @author John Bailey
* @version $Revision$
*/
public class FileURLConnection extends AbstractURLConnection {
private final RootFileSystem rootFileSystem = RootFileSystem.ROOT_INSTANCE;
private final VirtualFile mountPoint = VFS.getRootVirtualFile();
private final VirtualFile file;
public FileURLConnection(URL url) throws IOException {
super(url);
file = VFS.getChild(toURI(url));
}
public File getContent() throws IOException {
return rootFileSystem.getFile(mountPoint, file);
}
public int getContentLength() {
final long size = rootFileSystem.getSize(mountPoint, file);
return size > (long) Integer.MAX_VALUE ? -1 : (int) size;
}
public long getLastModified() {
return rootFileSystem.getLastModified(mountPoint, file);
}
public InputStream getInputStream() throws IOException {
return rootFileSystem.openInputStream(mountPoint, file);
}
@Override
public Permission getPermission() throws IOException {
return new FilePermission(file.getPathName(), "read");
}
public void connect() throws IOException {
}
@Override
protected String getName() {
return file.getName();
}
}