001/*
002 * Copyright (C) 2009-2017 the original author(s).
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.fusesource.jansi;
017
018import java.io.OutputStream;
019import java.io.PrintWriter;
020import java.io.Writer;
021import java.util.Locale;
022
023import static org.fusesource.jansi.AnsiRenderer.*;
024
025/**
026 * Print writer which supports automatic ANSI color rendering via {@link AnsiRenderer}.
027 *
028 * @author <a href="mailto:jason@planet57.com">Jason Dillon</a>
029 * @author <a href="http://hiramchirino.com">Hiram Chirino</a>
030 * @since 1.1
031 */
032public class AnsiRenderWriter
033        extends PrintWriter {
034
035    public AnsiRenderWriter(final OutputStream out) {
036        super(out);
037    }
038
039    public AnsiRenderWriter(final OutputStream out, final boolean autoFlush) {
040        super(out, autoFlush);
041    }
042
043    public AnsiRenderWriter(final Writer out) {
044        super(out);
045    }
046
047    public AnsiRenderWriter(final Writer out, final boolean autoFlush) {
048        super(out, autoFlush);
049    }
050
051    @Override
052    public void write(final String s) {
053        if (test(s)) {
054            super.write(render(s));
055        } else {
056            super.write(s);
057        }
058    }
059
060    //
061    // Need to prevent partial output from being written while formatting or we will get rendering exceptions
062    //
063
064    @Override
065    public PrintWriter format(final String format, final Object... args) {
066        print(String.format(format, args));
067        return this;
068    }
069
070    @Override
071    public PrintWriter format(final Locale l, final String format, final Object... args) {
072        print(String.format(l, format, args));
073        return this;
074    }
075}