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Diffstat (limited to 'gnu/classpath/debug/TeeWriter.java')
-rw-r--r-- | gnu/classpath/debug/TeeWriter.java | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/gnu/classpath/debug/TeeWriter.java b/gnu/classpath/debug/TeeWriter.java new file mode 100644 index 000000000..f226c2165 --- /dev/null +++ b/gnu/classpath/debug/TeeWriter.java @@ -0,0 +1,93 @@ +/* TeeWriter.java + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is a part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at +your option) any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; if not, write to the Free Software +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under terms +of your choice, provided that you also meet, for each linked independent +module, the terms and conditions of the license of that module. An +independent module is a module which is not derived from or based on +this library. If you modify this library, you may extend this exception +to your version of the library, but you are not obligated to do so. If +you do not wish to do so, delete this exception statement from your +version. */ + +package gnu.classpath.debug; + +import java.io.*; + +/** + * A writer that copies all its output to an additional character sink. + * + * @author Chris Burdess + */ +public class TeeWriter + extends Writer +{ + + private final Writer out; + private final Writer sink; + + /** + * Constructs a tee writer. + * @param out the underlying writer + * @param sink the output sink + */ + public TeeWriter(Writer out, Writer sink) + { + this.out = out; + this.sink = sink; + } + + public void write(int c) + throws IOException + { + out.write(c); + sink.write(c); + } + + public void write(char[] b, int off, int len) + throws IOException + { + out.write(b, off, len); + sink.write(b, off, len); + } + + public void flush() + throws IOException + { + out.flush(); + sink.flush(); + } + + public void close() + throws IOException + { + out.close(); + sink.close(); + } + +} |