/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions 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.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.tools.ant.listener;
import org.apache.tools.ant.BuildEvent;
import org.apache.tools.ant.DefaultLogger;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.util.StringUtils;
import org.apache.tools.mail.MailMessage;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Properties;
import java.util.StringTokenizer;
/**
* Buffers log messages from DefaultLogger, and sends an e-mail with the
* results. The following Project properties are used to send the mail.
* <ul>
* <li> MailLogger.mailhost [default: localhost] - Mail server to use</li>
*
* <li> MailLogger.from [required] - Mail "from" address</li>
* <li> MailLogger.failure.notify [default: true] - Send build failure
* e-mails?</li>
* <li> MailLogger.success.notify [default: true] - Send build success
* e-mails?</li>
* <li> MailLogger.failure.to [required if failure mail to be sent] - Address
* to send failure messages to</li>
* <li> MailLogger.success.to [required if success mail to be sent] - Address
* to send success messages to</li>
* <li> MailLogger.failure.subject [default: "Build Failure"] - Subject of
* failed build</li>
* <li> MailLogger.success.subject [default: "Build Success"] - Subject of
* successful build</li>
* </ul>
* These properties are set using standard Ant property setting mechanisms
* (<property>, command-line -D, etc). Ant properties can be overridden
* by specifying the filename of a properties file in the <i>
* MailLogger.properties.file property</i> . Any properties defined in that
* file will override Ant properties.
*
* @author Erik Hatcher
* <a href="mailto:ehatcher@apache.org">ehatcher@apache.org</a>
*/
public class MailLogger extends DefaultLogger {
/** Buffer in which the message is constructed prior to sending */
private StringBuffer buffer = new StringBuffer();
/**
* Sends an e-mail with the log results.
*
* @param event the build finished event
*/
public void buildFinished(BuildEvent event) {
super.buildFinished(event);
Project project = event.getProject();
Hashtable properties = project.getProperties();
// overlay specified properties file (if any), which overrides project
// settings
Properties fileProperties = new Properties();
String filename = (String) properties.get("MailLogger.properties.file");
if (filename != null) {
InputStream is = null;
try {
is = new FileInputStream(filename);
fileProperties.load(is);
} catch (IOException ioe) {
// ignore because properties file is not required
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
}
}
}
}
for (Enumeration e = fileProperties.keys(); e.hasMoreElements();) {
String key = (String) e.nextElement();
String value = fileProperties.getProperty(key);
properties.put(key, project.replaceProperties(value));
}
boolean success = (event.getException() == null);
String prefix = success ? "success" : "failure";
try {
boolean notify = Project.toBoolean(getValue(properties,
prefix + ".notify", "on"));
if (!notify) {
return;
}
String mailhost = getValue(properties, "mailhost", "localhost");
String from = getValue(properties, "from", null);
String toList = getValue(properties, prefix + ".to", null);
String subject = getValue(properties, prefix + ".subject",
(success) ? "Build Success" : "Build Failure");
sendMail(mailhost, from, toList, subject, buffer.toString());
} catch (Exception e) {
System.out.println("MailLogger failed to send e-mail!");
e.printStackTrace(System.err);
}
}
/**
* Receives and buffers log messages.
*
* @param message the message being logger
*/
protected void log(String message) {
buffer.append(message).append(StringUtils.LINE_SEP);
}
/**
* Gets the value of a property.
*
* @param properties Properties to obtain value from
* @param name suffix of property name. "MailLogger." will be
* prepended internally.
* @param defaultValue value returned if not present in the properties.
* Set to null to make required.
* @return The value of the property, or default value.
* @exception Exception thrown if no default value is specified and the
* property is not present in properties.
*/
private String getValue(Hashtable properties, String name,
String defaultValue) throws Exception {
String propertyName = "MailLogger." + name;
String value = (String) properties.get(propertyName);
if (value == null) {
value = defaultValue;
}
if (value == null) {
throw new Exception("Missing required parameter: " + propertyName);
}
return value;
}
/**
* Send the mail
*
* @param mailhost mail server
* @param from from address
* @param toList comma-separated recipient list
* @param subject mail subject
* @param message mail body
* @exception IOException thrown if sending message fails
*/
private void sendMail(String mailhost, String from, String toList,
String subject, String message) throws IOException {
MailMessage mailMessage = new MailMessage(mailhost);
mailMessage.from(from);
StringTokenizer t = new StringTokenizer(toList, ", ", false);
while (t.hasMoreTokens()) {
mailMessage.to(t.nextToken());
}
mailMessage.setSubject(subject);
PrintStream ps = mailMessage.getPrintStream();
ps.println(message);
mailMessage.sendAndClose();
}
}