webapp.README.txt
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上传日期:2013-02-04
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Java编程
开发平台:
Java
- This demo illustrates the use of JavaMail APIs in a 3-tiered web
- application. It must be deployed on a web server that supports
- servlet and JSP-based web applications (e.g. Tomcat) using at least
- J2SE 1.3 and Servlet 2.2.
- +-----------+ +-----------+ +-----------+
- | IMAP | | | | |
- | Server |<-IMAP->| JavaMail |<-HTTP->| WWW |
- +-----------+ | Web app |--HTML->| Browser |
- | SMTP |<-SMTP->| | | |
- | Server | | | | |
- +-----------+ +-----------+ +-----------+
- The JavaMail Web application supports the following functionality:
- * login to an IMAP server
- * list all the messages in the INBOX folder
- * view the selected message
- * compose and send a message
- It is comprised of an HTML document and several Web components
- (servlets, JSP pages and custom tags) and is packaged in a Web
- archive with the following contents:
- index.html
- login.jsp
- folders.jsp
- messageheaders.jsp
- messagecontent.jsp
- compose.jsp
- send.jsp
- errorpage.jsp
- errordetails.jsp
- logout.jsp
- WEB-INF/
- WEB-INF/classes/
- WEB-INF/classes/demo/AttachmentServlet.class
- WEB-INF/classes/demo/FilterServlet.class
- WEB-INF/classes/demo/MailUserBean.class
- WEB-INF/lib/
- WEB-INF/lib/jtl.jar
- WEB-INF/web.xml
- The collection of .html and .jsp files provide the client-side view
- of the JavaMail Web application.
- index.html
- |
- login.jsp
- |
- folders.jsp
- |
- messageheaders.jsp
- |
- /
- /
- compose.jsp messagecontent.jsp
- |
- send.jsp
- The WEB-INF/web.xml file contains the web applications deployment
- descriptor. It is an XML document that contains configuration and
- deployment information for the application.
- As per the Servlet specification, the WEB-INF/classes directory
- contains servlet and utility classes used by the web application.
- The FilterServlet acts as the Controller of the JavaMail Web
- application. All requests are mapped to this servlet. It checks
- to see that the user is logged in to the server before forwarding the
- request to the appropriate JSP page. The AttachmentServlet is used
- to render non-text attachments and the MailUserBean is a utility class
- used to maintain information about the mail user.
- The WEB-INF/lib directory (also defined in the Servlet specification)
- contains the Java archive file for the javamail custom tag library.
- The follow tags are furnished in the javamail tag library:
- <javamail:sendmail
- mailuser="mailuserbean"
- [host="hostname"] [port="port"]
- sender="email address" recipient="email address"
- [cc="email address"] [bcc="email address"] [subject="subject"]>
- body of the message
- </javamail:sendmail>
- Description: Used to send messages.
- <javamail:message id="messageinfo"
- folder="folder"
- num="message number"/>
- Description: Used to read a single message.
- <javamail:listmessages id="mailinfobean"
- folder="folder"
- </javamail:listmessages>
- Description: Used to iterate through list of messages. The body of the
- tag is repeated for each message in the list.
- Building and Packaging the JavaMail Web application
- All source for this demo can be found in the following directories:
- src/classes
- src/docroot
- src/taglib
- Build scripts (build.sh and build.bat) are provided for building and
- packaging the demo. Before executing the build scripts, be sure that
- the following are in your CLASSPATH:
- mail.jar the JavaMail jar file
- activation.jar the JAF jar file
- servlet.jar the servlet/JSP jar file
- The following steps are performed when building and packaging the demo.
- 1. Create a directory named "src/docroot/WEB-INF/classes/demo".
- 2. Create a directory named "src/docroot/WEB-INF/lib".
- 3. Compile the files from the "src/classes/demo" directory and add them
- to "src/docroot/WEB-INF/classes/demo".
- 4. Compile the files from the "src/tablib" directory.
- 5. Create an archive (jtl.jar) of the taglib classes and add it
- to "src/docroot/WEB-INF/lib".
- 6. Create a web archive file of the contents of "src/docroot" (and all
- of its sub-directories).
- (For a list of the contents of the resulting web archive,
- see the beginning of this document.)
- A note on sending mail
- In order to send mail using the JavaMail Web App, it is necessary to identify
- an SMTP host. This can be accomplished in a couple of ways.
- 1. Use the TOMCAT_OPTS environment variable.
- Add the following to the TOMCAT_OPTS environment variable:
- -Dmail.smtp.host=yourSMTPmailservername
- Restart your web server.
- 2. Modify the send.jsp file and update the javamail.war file:
- Add the following parameter to the <javamail:sendmail> tag:
- host="yourSMTPmailservername"
- Repackage the javamail.war file to include the modified send.jsp file.