cvs commit: jakarta-james/src/java/org/apache/james/transport/matchers SenderIsRegex.java

[vincenzo]

vincenzo    2003/06/23 11:44:29

  Added:       src/java/org/apache/james/transport/matchers
                        SenderIsRegex.java
  Log:
  
  
  Revision  Changes    Path
  1.1                  
jakarta-james/src/java/org/apache/james/transport/matchers/SenderIsRegex.java
  
  Index: SenderIsRegex.java
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2000-2003 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 acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache", "Jakarta", "JAMES" 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 [EMAIL PROTECTED]
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * 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/>.
   *
   * Portions of this software are based upon public domain software
   * originally written at the National Center for Supercomputing Applications,
   * University of Illinois, Urbana-Champaign.
   */
  
  package org.apache.james.transport.matchers;
  
  import org.apache.mailet.GenericMatcher;
  import org.apache.mailet.Mail;
  import org.apache.mailet.MailAddress;
  
  import org.apache.oro.text.regex.*;
  
  import java.util.Collection;
  
  import javax.mail.MessagingException;
  
  /**
   * <P>Matches mails that are sent by a sender whose address matches a regular 
expression.</P>
   * <P>Is equivalent to the [EMAIL PROTECTED] RecipientIsRegex} matcher but matching 
on the sender.</P>
   * <P>Configuration string: a regular expression.</P>
   * <PRE><CODE>
   * &lt;mailet match=&quot;SenderIsRegex=&lt;regular-expression&gt;&quot; 
class=&quot;&lt;any-class&gt;&quot;&gt;
   * </CODE></PRE>
   * <P>The example below will match any sender in the format [EMAIL PROTECTED]</P>
   * <PRE><CODE>
   * &lt;mailet match=&quot;SenderIsRegex=(.*)@log\.(.*)&quot; 
class=&quot;&lt;any-class&gt;&quot;&gt;
   * &lt;/mailet&gt;
   * </CODE></PRE>
   * <P>Another example below will match any sender having some variations of the 
string
   * <I>mp3</I> inside the username part.</P>
   * <PRE><CODE>
   * &lt;mailet match=&quot;SenderIsRegex=(.*)(mp3|emmepitre)(.*)@&quot; 
class=&quot;&lt;any-class&gt;&quot;&gt;
   * &lt;/mailet&gt;
   * </CODE></PRE>
   *
   * @version CVS $Revision: 1.1 $ $Date: 2003/06/23 18:44:29 $
   * @since 2.2.0
   */
  public class SenderIsRegex extends GenericMatcher {
  
     // Create Perl5Compiler and Perl5Matcher instances.
      Perl5Compiler compiler = new Perl5Compiler();
      Perl5Matcher matcher  = new Perl5Matcher();
      Pattern pattern   = null;
  
      public void init() throws MessagingException {
          String patternString = getCondition();
          if (patternString == null) {
              throw new MessagingException("Pattern is missing");
          }
          
          patternString = patternString.trim();
          try {
              pattern = compiler.compile(patternString);
          } catch(MalformedPatternException mpe) {
              throw new MessagingException("Malformed pattern: " + patternString, mpe);
          }
      }
  
      public Collection match(Mail mail) {
          MailAddress mailAddress = mail.getSender();
          if (mailAddress == null) {
              return null;
          }
          String senderString = mailAddress.toString();
          if (matcher.matches(senderString, pattern)) {
              return mail.getRecipients();
          }
          return null;
      }
  }
  
  
  

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