MultipartViewerpublic class MultipartViewer extends JPanel implements CommandObject| A Viewer Bean for the type multipart/mixed |
| Fields Summary |
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| protected DataHandler | dh | | protected String | verb |
| Constructors Summary |
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public MultipartViewer()
super(new GridBagLayout());
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| Methods Summary |
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| protected java.awt.Component | getComponent(javax.mail.BodyPart bp)
try {
DataHandler dh = bp.getDataHandler();
CommandInfo ci = dh.getCommand("view");
if (ci == null) {
throw new MessagingException(
"view command failed on: " +
bp.getContentType());
}
Object bean = dh.getBean(ci);
if (bean instanceof Component) {
return (Component)bean;
} else {
if (bean == null)
throw new MessagingException(
"bean is null, class " + ci.getCommandClass() +
" , command " + ci.getCommandName());
else
throw new MessagingException(
"bean is not a awt.Component" +
bean.getClass().toString());
}
}
catch (MessagingException me) {
return new Label(me.toString());
}
| | public void | setCommandContext(java.lang.String verb, javax.activation.DataHandler dh)
this.verb = verb;
this.dh = dh;
// get the content, and hope it is a Multipart Object
Object content = dh.getContent();
if (content instanceof Multipart) {
setupDisplay((Multipart)content);
} else {
setupErrorDisplay(content);
}
| | protected void | setupDisplay(javax.mail.Multipart mp)
// we display the first body part in a main frame on the left, and then
// on the right we display the rest of the parts as attachments
GridBagConstraints gc = new GridBagConstraints();
gc.gridheight = GridBagConstraints.REMAINDER;
gc.fill = GridBagConstraints.BOTH;
gc.weightx = 1.0;
gc.weighty = 1.0;
// get the first part
try {
BodyPart bp = mp.getBodyPart(0);
Component comp = getComponent(bp);
add(comp, gc);
} catch (MessagingException me) {
add(new Label(me.toString()), gc);
}
// see if there are more than one parts
try {
int count = mp.getCount();
// setup how to display them
gc.gridwidth = GridBagConstraints.REMAINDER;
gc.gridheight = 1;
gc.fill = GridBagConstraints.NONE;
gc.anchor = GridBagConstraints.NORTH;
gc.weightx = 0.0;
gc.weighty = 0.0;
gc.insets = new Insets(4,4,4,4);
// for each one we create a button with the content type
for(int i = 1; i < count; i++) { // we skip the first one
BodyPart curr = mp.getBodyPart(i);
String label = null;
if (label == null) label = curr.getFileName();
if (label == null) label = curr.getDescription();
if (label == null) label = curr.getContentType();
Button but = new Button(label);
but.addActionListener( new AttachmentViewer(curr));
add(but, gc);
}
} catch(MessagingException me2) {
me2.printStackTrace();
}
| | protected void | setupErrorDisplay(java.lang.Object content)
String error;
if (content == null)
error = "Content is null";
else
error = "Object not of type Multipart, content class = " +
content.getClass().toString();
System.out.println(error);
Label lab = new Label(error);
add(lab);
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