/*
* @(#)MessageViewer.java 1.16 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.
*/
/*
* @(#)MessageViewer.java 1.16 01/05/23
*
* Copyright (c) 1997-1998 by Sun Microsystems, Inc.
* All Rights Reserved.
*/
import java.awt.*;
import java.awt.event.*;
import javax.mail.*;
import javax.activation.*;
import java.util.Date;
import java.io.IOException;
import javax.swing.JPanel;
/**
* @version 1.16, 01/05/23
* @author Christopher Cotton
* @author Bill Shannon
*/
public class MessageViewer extends JPanel implements CommandObject {
Message displayed = null;
DataHandler dataHandler = null;
String verb = null;
Component mainbody;
TextArea headers;
public MessageViewer() {
this(null);
}
public MessageViewer(Message what) {
// set our layout
super(new GridBagLayout());
// add the toolbar
addToolbar();
GridBagConstraints gb = new GridBagConstraints();
gb.gridwidth = GridBagConstraints.REMAINDER;
gb.fill = GridBagConstraints.BOTH;
gb.weightx = 1.0;
gb.weighty = 0.0;
// add the headers
headers = new TextArea("", 4, 80, TextArea.SCROLLBARS_NONE);
headers.setEditable(false);
add(headers, gb);
// now display our message
setMessage(what);
}
/**
* sets the current message to be displayed in the viewer
*/
public void setMessage(Message what) {
displayed = what;
if (mainbody != null)
remove(mainbody);
if (what != null) {
loadHeaders();
mainbody = getBodyComponent();
} else {
headers.setText("");
TextArea dummy = new TextArea("", 24, 80, TextArea.SCROLLBARS_NONE);
dummy.setEditable(false);
mainbody = dummy;
}
// add the main body
GridBagConstraints gb = new GridBagConstraints();
gb.gridwidth = GridBagConstraints.REMAINDER;
gb.fill = GridBagConstraints.BOTH;
gb.weightx = 1.0;
gb.weighty = 1.0;
add(mainbody, gb);
invalidate();
validate();
}
protected void addToolbar() {
GridBagConstraints gb = new GridBagConstraints();
gb.gridheight = 1;
gb.gridwidth = 1;
gb.fill = GridBagConstraints.NONE;
gb.anchor = GridBagConstraints.WEST;
gb.weightx = 0.0;
gb.weighty = 0.0;
gb.insets = new Insets(4,4,4,4);
// structure button
gb.gridwidth = GridBagConstraints.REMAINDER; // only for the last one
Button b = new Button("Structure");
b.addActionListener( new StructureAction());
add(b, gb);
}
protected void loadHeaders() {
// setup what we want in our viewer
StringBuffer sb = new StringBuffer();
// date
sb.append("Date: ");
try {
Date duh = displayed.getSentDate();
if (duh != null) {
sb.append(duh.toString());
} else {
sb.append("Unknown");
}
sb.append("\n");
// from
sb.append("From: ");
Address[] adds = displayed.getFrom();
if (adds != null && adds.length > 0) {
sb.append(adds[0].toString());
}
sb.append("\n");
// to
sb.append("To: ");
adds = displayed.getRecipients(Message.RecipientType.TO);
if (adds != null && adds.length > 0) {
sb.append(adds[0].toString());
}
sb.append("\n");
// subject
sb.append("Subject: ");
sb.append(displayed.getSubject());
headers.setText(sb.toString());
} catch (MessagingException me) {
headers.setText("");
}
}
protected Component getBodyComponent() {
//------------
// now get a content viewer for the main type...
//------------
try {
DataHandler dh = displayed.getDataHandler();
CommandInfo ci = dh.getCommand("view");
if (ci == null) {
throw new MessagingException("view command failed on: " +
displayed.getContentType());
}
Object bean = dh.getBean(ci);
if (bean instanceof Component) {
return (Component)bean;
} else {
throw new MessagingException("bean is not a component " +
bean.getClass().toString());
}
} catch (MessagingException me) {
return new Label(me.toString());
}
}
/**
* the CommandObject method to accept our DataHandler
* @param dh the datahandler used to get the content
*/
public void setCommandContext(String verb,
DataHandler dh) throws IOException {
this.verb = verb;
dataHandler = dh;
Object o = dh.getContent();
if (o instanceof Message) {
setMessage((Message)o);
}
else {
System.out.println(
"MessageViewer - content not a Message object, " + o);
if (o != null){
System.out.println(o.getClass().toString());
}
}
}
class StructureAction implements ActionListener {
StringBuffer sb;
public void actionPerformed(ActionEvent e) {
System.out.println("\n\nMessage Structure");
dumpPart("", displayed);
}
protected void dumpPart(String prefix, Part p) {
try {
System.out.println(prefix + "----------------");
System.out.println(prefix +
"Content-Type: " + p.getContentType());
System.out.println(prefix +
"Class: " + p.getClass().toString());
Object o = p.getContent();
if (o == null) {
System.out.println(prefix + "Content: is null");
} else {
System.out.println(prefix +
"Content: " + o.getClass().toString());
}
if (o instanceof Multipart) {
String newpref = prefix + "\t";
Multipart mp = (Multipart)o;
int count = mp.getCount();
for (int i = 0; i < count; i++) {
dumpPart(newpref, mp.getBodyPart(i));
}
}
} catch (MessagingException e) {
e.printStackTrace();
} catch (IOException ioex) {
System.out.println("Cannot get content" + ioex.getMessage());
}
}
}
}
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