MessageTag.java
资源名称:某公司的java培训教材 [点击查看]
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
- /*
- * @(#)MessageTag.java 1.4 02/04/04
- *
- * Copyright 2001-2002 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.
- *
- */
- package demo;
- import java.util.*;
- import javax.mail.*;
- import javax.mail.internet.*;
- import javax.servlet.jsp.*;
- import javax.servlet.jsp.tagext.*;
- /**
- * Custom tag for retrieving a message.
- */
- public class MessageTag extends TagSupport {
- private String folder;
- private String session;
- private int num = 1;
- /**
- * folder attribute setter method.
- */
- public String getFolder() {
- return folder;
- }
- /**
- * num attribute getter method.
- */
- public String getNum() {
- return Integer.toString(num);
- }
- /**
- * session attribute getter method.
- */
- public String getSession() {
- return session;
- }
- /**
- * folder setter method.
- */
- public void setFolder(String folder) {
- this.folder = folder;
- }
- /**
- * num attribute setter method.
- */
- public void setNum(String num) {
- this.num = Integer.parseInt(num);
- }
- /**
- * session attribute setter method.
- */
- public void setSession(String session) {
- this.session = session;
- }
- /**
- * Method for processing the start of the tag.
- */
- public int doStartTag() throws JspException {
- MessageInfo messageinfo = new MessageInfo();
- try {
- Folder f = (Folder)pageContext.getAttribute(
- getFolder(), PageContext.SESSION_SCOPE);
- Message message = f.getMessage(num);
- messageinfo.setMessage(message);
- pageContext.setAttribute(getId(), messageinfo);
- } catch (Exception ex) {
- throw new JspException(ex.getMessage());
- }
- return SKIP_BODY;
- }
- }