001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *  http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package org.apache.geronimo.gshell.ansi;
021    
022    import java.io.OutputStream;
023    import java.io.PrintWriter;
024    import java.io.Writer;
025    
026    /**
027     * Print writer implementation which supports automatic ANSI color rendering
028     *
029     * @version $Rev: 572585 $ $Date: 2007-09-04 01:52:44 -0700 (Tue, 04 Sep 2007) $
030     */
031    public class RenderWriter
032        extends PrintWriter
033    {
034        private final Renderer renderer = new Renderer();
035    
036        public RenderWriter(final OutputStream out) {
037            super(out);
038        }
039    
040        public RenderWriter(final OutputStream out, final boolean autoFlush) {
041            super(out, autoFlush);
042        }
043    
044        public RenderWriter(final Writer out) {
045            super(out);
046        }
047    
048        public RenderWriter(final Writer out, final boolean autoFlush) {
049            super(out, autoFlush);
050        }
051    
052        public void write(final String s) {
053            if (Renderer.test(s)) {
054                super.write(renderer.render(s));
055            }
056            else {
057                super.write(s);
058            }
059        }
060    }