TextViewer.java
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上传用户:dinglihq
上传日期:2013-02-04
资源大小:99958k
文件大小:3k
源码类别:
Java编程
开发平台:
Java
- /*
- * @(#)TextViewer.java 1.12 01/05/23
- *
- * Copyright 1997-2000 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistribution in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
- * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND
- * ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES OR LIABILITIES
- * SUFFERED BY LICENSEE AS A RESULT OF OR RELATING TO USE, MODIFICATION
- * OR DISTRIBUTION OF THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
- * SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
- * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
- * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
- * ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS
- * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that Software is not designed, licensed or intended
- * for use in the design, construction, operation or maintenance of any
- * nuclear facility.
- */
- import java.awt.*;
- import java.io.*;
- import java.beans.*;
- import javax.activation.*;
- import javax.swing.JPanel;
- import javax.swing.JTextArea;
- import javax.swing.JScrollPane;
- /**
- * A very simple TextViewer Bean for the MIMEType "text/plain"
- *
- * @version 1.12, 01/05/23
- * @author Christopher Cotton
- */
- public class TextViewer extends JPanel implements CommandObject
- {
- private JTextArea text_area = null;
- private DataHandler dh = null;
- private String verb = null;
- /**
- * Constructor
- */
- public TextViewer() {
- super(new GridLayout(1,1));
- // create the text area
- text_area = new JTextArea();
- text_area.setEditable(false);
- text_area.setLineWrap(true);
- // create a scroll pane for the JTextArea
- JScrollPane sp = new JScrollPane();
- sp.setPreferredSize(new Dimension(300, 300));
- sp.getViewport().add(text_area);
- add(sp);
- }
- public void setCommandContext(String verb, DataHandler dh)
- throws IOException {
- this.verb = verb;
- this.dh = dh;
- this.setInputStream( dh.getInputStream() );
- }
- /**
- * set the data stream, component to assume it is ready to
- * be read.
- */
- public void setInputStream(InputStream ins) {
- int bytes_read = 0;
- // check that we can actually read
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- byte data[] = new byte[1024];
- try {
- while((bytes_read = ins.read(data)) >0)
- baos.write(data, 0, bytes_read);
- ins.close();
- } catch(Exception e) {
- e.printStackTrace();
- }
- // convert the buffer into a string
- // place in the text area
- text_area.setText(baos.toString());
- }
- }