Importing upstream Jetty jetty-9.2.1.v20140609

[gigi.git] / lib / jetty / org / eclipse / jetty / io / WriterOutputStream.java

diff --git a/lib/jetty/org/eclipse/jetty/io/WriterOutputStream.java b/lib/jetty/org/eclipse/jetty/io/WriterOutputStream.java
new file mode 100644 (file)
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+++ b/lib/jetty/org/eclipse/jetty/io/WriterOutputStream.java
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+//
+//  ========================================================================
+//  Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
+//  ------------------------------------------------------------------------
+//  All rights reserved. This program and the accompanying materials
+//  are made available under the terms of the Eclipse Public License v1.0
+//  and Apache License v2.0 which accompanies this distribution.
+//
+//      The Eclipse Public License is available at
+//      http://www.eclipse.org/legal/epl-v10.html
+//
+//      The Apache License v2.0 is available at
+//      http://www.opensource.org/licenses/apache2.0.php
+//
+//  You may elect to redistribute this code under either of these licenses.
+//  ========================================================================
+//
+
+package org.eclipse.jetty.io;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.nio.charset.Charset;
+
+
+/* ------------------------------------------------------------ */
+/** Wrap a Writer as an OutputStream.
+ * When all you have is a Writer and only an OutputStream will do.
+ * Try not to use this as it indicates that your design is a dogs
+ * breakfast (JSP made me write it).
+ * 
+ */
+public class WriterOutputStream extends OutputStream
+{
+    protected final Writer _writer;
+    protected final Charset _encoding;
+    private final byte[] _buf=new byte[1];
+    
+    /* ------------------------------------------------------------ */
+    public WriterOutputStream(Writer writer, String encoding)
+    {
+        _writer=writer;
+        _encoding=encoding==null?null:Charset.forName(encoding);
+    }
+    
+    /* ------------------------------------------------------------ */
+    public WriterOutputStream(Writer writer)
+    {
+        _writer=writer;
+        _encoding=null;
+    }
+
+    /* ------------------------------------------------------------ */
+    @Override
+    public void close()
+        throws IOException
+    {
+        _writer.close();
+    }
+    
+    /* ------------------------------------------------------------ */
+    @Override
+    public void flush()
+        throws IOException
+    {
+        _writer.flush();
+    }
+    
+    /* ------------------------------------------------------------ */
+    @Override
+    public void write(byte[] b) 
+        throws IOException
+    {
+        if (_encoding==null)
+            _writer.write(new String(b));
+        else
+            _writer.write(new String(b,_encoding));
+    }
+    
+    /* ------------------------------------------------------------ */
+    @Override
+    public void write(byte[] b, int off, int len)
+        throws IOException
+    {
+        if (_encoding==null)
+            _writer.write(new String(b,off,len));
+        else
+            _writer.write(new String(b,off,len,_encoding));
+    }
+    
+    /* ------------------------------------------------------------ */
+    @Override
+    public synchronized void write(int b)
+        throws IOException
+    {
+        _buf[0]=(byte)b;
+        write(_buf);
+    }
+}
+