duke@1: /*
ohair@554:  * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
ohair@554:  * published by the Free Software Foundation.  Oracle designates this
duke@1:  * particular file as subject to the "Classpath" exception as provided
ohair@554:  * by Oracle in the LICENSE file that accompanied this code.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
duke@1:  */
duke@1: 
duke@1: package javax.tools;
duke@1: 
duke@1: import java.io.IOException;
duke@1: import java.io.InputStream;
duke@1: import java.io.OutputStream;
duke@1: import java.io.Reader;
duke@1: import java.io.Writer;
duke@1: import java.net.URI;
duke@1: 
duke@1: /**
duke@1:  * Forwards calls to a given file object.  Subclasses of this class
duke@1:  * might override some of these methods and might also provide
duke@1:  * additional fields and methods.
duke@1:  *
duke@1:  * @param <F> the kind of file object forwarded to by this object
duke@1:  * @author Peter von der Ah&eacute;
duke@1:  * @since 1.6
duke@1:  */
duke@1: public class ForwardingFileObject<F extends FileObject> implements FileObject {
duke@1: 
duke@1:     /**
duke@1:      * The file object which all methods are delegated to.
duke@1:      */
duke@1:     protected final F fileObject;
duke@1: 
duke@1:     /**
duke@1:      * Creates a new instance of ForwardingFileObject.
duke@1:      * @param fileObject delegate to this file object
duke@1:      */
duke@1:     protected ForwardingFileObject(F fileObject) {
duke@1:         fileObject.getClass(); // null check
duke@1:         this.fileObject = fileObject;
duke@1:     }
duke@1: 
duke@1:     public URI toUri() {
duke@1:         return fileObject.toUri();
duke@1:     }
duke@1: 
duke@1:     public String getName() {
duke@1:         return fileObject.getName();
duke@1:     }
duke@1: 
duke@1:     /**
duke@1:      * @throws IllegalStateException {@inheritDoc}
duke@1:      * @throws UnsupportedOperationException {@inheritDoc}
duke@1:      * @throws IOException {@inheritDoc}
duke@1:      */
duke@1:     public InputStream openInputStream() throws IOException {
duke@1:         return fileObject.openInputStream();
duke@1:     }
duke@1: 
duke@1:     /**
duke@1:      * @throws IllegalStateException {@inheritDoc}
duke@1:      * @throws UnsupportedOperationException {@inheritDoc}
duke@1:      * @throws IOException {@inheritDoc}
duke@1:      */
duke@1:     public OutputStream openOutputStream() throws IOException {
duke@1:         return fileObject.openOutputStream();
duke@1:     }
duke@1: 
duke@1:     /**
duke@1:      * @throws IllegalStateException {@inheritDoc}
duke@1:      * @throws UnsupportedOperationException {@inheritDoc}
duke@1:      * @throws IOException {@inheritDoc}
duke@1:      */
duke@1:     public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
duke@1:         return fileObject.openReader(ignoreEncodingErrors);
duke@1:     }
duke@1: 
duke@1:     /**
duke@1:      * @throws IllegalStateException {@inheritDoc}
duke@1:      * @throws UnsupportedOperationException {@inheritDoc}
duke@1:      * @throws IOException {@inheritDoc}
duke@1:      */
duke@1:     public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
duke@1:         return fileObject.getCharContent(ignoreEncodingErrors);
duke@1:     }
duke@1: 
duke@1:     /**
duke@1:      * @throws IllegalStateException {@inheritDoc}
duke@1:      * @throws UnsupportedOperationException {@inheritDoc}
duke@1:      * @throws IOException {@inheritDoc}
duke@1:      */
duke@1:     public Writer openWriter() throws IOException {
duke@1:         return fileObject.openWriter();
duke@1:     }
duke@1: 
duke@1:     public long getLastModified() {
duke@1:         return fileObject.getLastModified();
duke@1:     }
duke@1: 
duke@1:     public boolean delete() {
duke@1:         return fileObject.delete();
duke@1:     }
duke@1: }