StoreTreeNode.java
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上传日期:2013-02-04
资源大小:99958k
文件大小:4k
源码类别:
Java编程
开发平台:
Java
- /*
- * @(#)StoreTreeNode.java 1.9 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 javax.swing.tree.DefaultMutableTreeNode;
- import javax.mail.*;
- /**
- * Node which represents a Store in the javax.mail apis.
- *
- * @version 1.9, 01/05/23
- * @author Christopher Cotton
- */
- public class StoreTreeNode extends DefaultMutableTreeNode {
- protected Store store = null;
- protected Folder folder = null;
- protected String display = null;
- /**
- * creates a tree node that points to the particular Store.
- *
- * @param what the store for this node
- */
- public StoreTreeNode(Store what) {
- super(what);
- store = what;
- }
- /**
- * a Store is never a leaf node. It can always contain stuff
- */
- public boolean isLeaf() {
- return false;
- }
- /**
- * return the number of children for this store node. The first
- * time this method is called we load up all of the folders
- * under the store's defaultFolder
- */
- public int getChildCount() {
- if (folder == null) {
- loadChildren();
- }
- return super.getChildCount();
- }
- protected void loadChildren() {
- try {
- // connect to the Store if we need to
- if (!store.isConnected()) {
- store.connect();
- }
- // get the default folder, and list the
- // subscribed folders on it
- folder = store.getDefaultFolder();
- // Folder[] sub = folder.listSubscribed();
- Folder[] sub = folder.list();
- // add a FolderTreeNode for each Folder
- int num = sub.length;
- for(int i = 0; i < num; i++) {
- FolderTreeNode node = new FolderTreeNode(sub[i]);
- // we used insert here, since add() would make
- // another recursive call to getChildCount();
- insert(node, i);
- }
- } catch (MessagingException me) {
- me.printStackTrace();
- }
- }
- /**
- * We override toString() so we can display the store URLName
- * without the password.
- */
- public String toString() {
- if (display == null) {
- URLName url = store.getURLName();
- if (url == null) {
- display = store.toString();
- } else {
- // don't show the password
- URLName too = new URLName( url.getProtocol(), url.getHost(), url.getPort(),
- url.getFile(), url.getUsername(), null);
- display = too.toString();
- }
- }
- return display;
- }
- }