mirror of git://gcc.gnu.org/git/gcc.git
120 lines
3.7 KiB
Java
120 lines
3.7 KiB
Java
/* TextEditor.java -- Simple text editor component.
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.javax.activation.viewers;
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import java.awt.Dimension;
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import java.awt.TextArea;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.io.ByteArrayOutputStream;
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import java.io.InputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import javax.activation.CommandObject;
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import javax.activation.DataHandler;
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/**
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* Simple text editor component.
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*
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* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
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* @version 1.0.2
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*/
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public class TextEditor extends TextArea
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implements CommandObject, ActionListener
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{
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private transient DataHandler dh;
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public TextEditor()
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{
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super("", 24, 80, 1);
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}
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public Dimension getPreferredSize()
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{
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return getMinimumSize(24, 80);
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}
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public void setCommandContext(String verb, DataHandler dh)
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throws IOException
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{
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this.dh = dh;
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InputStream in = dh.getInputStream();
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ByteArrayOutputStream bytes = new ByteArrayOutputStream();
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byte[] buf = new byte[4096];
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for (int len = in.read(buf); len != -1; len = in.read(buf))
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bytes.write(buf, 0, len);
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in.close();
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setText(bytes.toString());
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}
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public void actionPerformed(ActionEvent event)
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{
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if ("save".equals(event.getActionCommand()) && dh != null)
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{
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OutputStream out = null;
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try
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{
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out = dh.getOutputStream();
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if (out != null)
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out.write(getText().getBytes());
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}
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catch (IOException e)
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{
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e.printStackTrace(System.err);
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}
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finally
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{
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if (out != null)
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{
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try
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{
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out.close();
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}
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catch (IOException e)
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{
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e.printStackTrace(System.err);
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}
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}
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}
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}
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}
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}
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