/**
* Copyright 2005-2011 Noelios Technologies.
*
* The contents of this file are subject to the terms of one of the following
* open source licenses: LGPL 3.0 or LGPL 2.1 or CDDL 1.0 or EPL 1.0 (the
* "Licenses"). You can select the license that you prefer but you may not use
* this file except in compliance with one of these Licenses.
*
* You can obtain a copy of the LGPL 3.0 license at
* http://www.opensource.org/licenses/lgpl-3.0.html
*
* You can obtain a copy of the LGPL 2.1 license at
* http://www.opensource.org/licenses/lgpl-2.1.php
*
* You can obtain a copy of the CDDL 1.0 license at
* http://www.opensource.org/licenses/cddl1.php
*
* You can obtain a copy of the EPL 1.0 license at
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the Licenses for the specific language governing permissions and
* limitations under the Licenses.
*
* Alternatively, you can obtain a royalty free commercial license with less
* limitations, transferable or non-transferable, directly at
* http://www.noelios.com/products/restlet-engine
*
* Restlet is a registered trademark of Noelios Technologies.
*/
package org.restlet.engine.local;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.restlet.data.MediaType;
import org.restlet.representation.FileRepresentation;
import org.restlet.representation.Representation;
import org.restlet.service.MetadataService;
/**
* Local entity based on a regular {@link File}.
*/
public class FileEntity extends Entity {
/** The underlying regular file. */
private final File file;
/**
* Constructor.
*
* @param file
* The underlying file.
* @param metadataService
* The metadata service to use.
*/
public FileEntity(File file, MetadataService metadataService) {
super(metadataService);
this.file = file;
}
@Override
public boolean exists() {
return getFile().exists();
}
@Override
public List<Entity> getChildren() {
List<Entity> result = null;
if (isDirectory()) {
result = new ArrayList<Entity>();
for (File f : getFile().listFiles()) {
result.add(new FileEntity(f, getMetadataService()));
}
}
return result;
}
/**
* Returns the underlying regular file.
*
* @return The underlying regular file.
*/
public File getFile() {
return file;
}
@Override
public String getName() {
return getFile().getName();
}
@Override
public Entity getParent() {
File parentFile = getFile().getParentFile();
return (parentFile == null) ? null : new FileEntity(parentFile,
getMetadataService());
}
@Override
public Representation getRepresentation(MediaType defaultMediaType,
int timeToLive) {
return new FileRepresentation(getFile(), defaultMediaType, timeToLive);
}
@Override
public boolean isDirectory() {
return getFile().isDirectory();
}
@Override
public boolean isNormal() {
return getFile().isFile();
}
}