001 /* 002 * Copyright (C) 2009 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 */ 016 017 package org.fusesource.jansi; 018 019 import java.io.OutputStream; 020 import java.io.PrintWriter; 021 import java.io.Writer; 022 import java.util.Locale; 023 024 import static org.fusesource.jansi.AnsiRenderer.*; 025 026 /** 027 * Print writer which supports automatic ANSI color rendering via {@link AnsiRenderer}. 028 * 029 * @author <a href="mailto:jason@planet57.com">Jason Dillon</a> 030 * @author <a href="http://hiramchirino.com">Hiram Chirino</a> 031 * @since 1.1 032 */ 033 public class AnsiRenderWriter 034 extends PrintWriter 035 { 036 037 public AnsiRenderWriter(final OutputStream out) { 038 super(out); 039 } 040 041 public AnsiRenderWriter(final OutputStream out, final boolean autoFlush) { 042 super(out, autoFlush); 043 } 044 045 public AnsiRenderWriter(final Writer out) { 046 super(out); 047 } 048 049 public AnsiRenderWriter(final Writer out, final boolean autoFlush) { 050 super(out, autoFlush); 051 } 052 053 @Override 054 public void write(final String s) { 055 if (test(s)) { 056 super.write(render(s)); 057 } 058 else { 059 super.write(s); 060 } 061 } 062 063 // 064 // Need to prevent partial output from being written while formatting or we will get rendering exceptions 065 // 066 067 @Override 068 public PrintWriter format(final String format, final Object... args) { 069 print(String.format(format, args)); 070 return this; 071 } 072 073 @Override 074 public PrintWriter format(final Locale l, final String format, final Object... args) { 075 print(String.format(l, format, args)); 076 return this; 077 } 078 }