/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.core.runtime.logging;
import java.io.UnsupportedEncodingException;
import javax.mail.MessagingException;
import javax.mail.internet.MimeUtility;
public class SmtpExtendedAppender extends org.apache.log4j.net.SMTPAppender {
public SmtpExtendedAppender() {
super();
}
public SmtpExtendedAppender(final org.apache.log4j.spi.TriggeringEventEvaluator evaluator) {
super(evaluator);
}
@Override
public void append(final org.apache.log4j.spi.LoggingEvent event) {
if (evaluator.isTriggeringEvent(event)) {
try {
final String subject = limitToFirstLine(String.valueOf(event.getMessage()));
final String encodedSubject = MimeUtility.encodeText(subject, "UTF-8", null);
msg.setSubject(encodedSubject);
} catch (final UnsupportedEncodingException e) {
// ???
} catch (final MessagingException e) {
// ???
}
}
super.append(event);
}
private String limitToFirstLine(String subject) {
final int newline = subject.indexOf('\n');
final int carriageReturn = subject.indexOf('\r');
if (newline != -1 || carriageReturn != -1) {
final int pos = Math.max(newline, carriageReturn);
subject = subject.substring(0, pos);
}
return subject;
}
}