//
// ========================================================================
// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under
// the terms of the Eclipse Public License 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0
//
// This Source Code may also be made available under the following
// Secondary Licenses when the conditions for such availability set
// forth in the Eclipse Public License, v. 2.0 are satisfied:
// the Apache License v2.0 which is available at
// https://www.apache.org/licenses/LICENSE-2.0
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//

package org.eclipse.jetty.util.resource;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.nio.channels.ReadableByteChannel;

EmptyResource Represents a resource that does does not refer to any file, url, jar etc.
/** * EmptyResource * * Represents a resource that does does not refer to any file, url, jar etc. */
public class EmptyResource extends Resource { public static final Resource INSTANCE = new EmptyResource(); private EmptyResource() { } @Override public boolean isContainedIn(Resource r) throws MalformedURLException { return false; } @Override public void close() { } @Override public boolean exists() { return false; } @Override public boolean isDirectory() { return false; } @Override public long lastModified() { return 0; } @Override public long length() { return 0; } @Override public URI getURI() { return null; } @Override public File getFile() throws IOException { return null; } @Override public String getName() { return null; } @Override public InputStream getInputStream() throws IOException { return null; } @Override public ReadableByteChannel getReadableByteChannel() throws IOException { return null; } @Override public boolean delete() throws SecurityException { return false; } @Override public boolean renameTo(Resource dest) throws SecurityException { return false; } @Override public String[] list() { return null; } @Override public Resource addPath(String path) throws IOException, MalformedURLException { return this; } }