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    1   /*
    2    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
    3    *
    4    * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
    5    *
    6    * The contents of this file are subject to the terms of either the GNU
    7    * General Public License Version 2 only ("GPL") or the Common Development
    8    * and Distribution License("CDDL") (collectively, the "License").  You
    9    * may not use this file except in compliance with the License. You can obtain
   10    * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
   11    * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
   12    * language governing permissions and limitations under the License.
   13    *
   14    * When distributing the software, include this License Header Notice in each
   15    * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
   16    * Sun designates this particular file as subject to the "Classpath" exception
   17    * as provided by Sun in the GPL Version 2 section of the License file that
   18    * accompanied this code.  If applicable, add the following below the License
   19    * Header, with the fields enclosed by brackets [] replaced by your own
   20    * identifying information: "Portions Copyrighted [year]
   21    * [name of copyright owner]"
   22    *
   23    * Contributor(s):
   24    *
   25    * If you wish your version of this file to be governed by only the CDDL or
   26    * only the GPL Version 2, indicate your decision by adding "[Contributor]
   27    * elects to include this software in this distribution under the [CDDL or GPL
   28    * Version 2] license."  If you don't indicate a single choice of license, a
   29    * recipient has the option to distribute your version of this file under
   30    * either the CDDL, the GPL Version 2 or to extend the choice of license to
   31    * its licensees as provided above.  However, if you add GPL Version 2 code
   32    * and therefore, elected the GPL Version 2 license, then the option applies
   33    * only if the new code is made subject to such option by the copyright
   34    * holder.
   35    */
   36   
   37   /*
   38    * @(#)BodyTerm.java	1.11 07/05/04
   39    */
   40   
   41   package javax.mail.search;
   42   
   43   import javax.mail;
   44   
   45   /**
   46    * This class implements searches on a Message Body.
   47    * All parts of the message that are of MIME type "text/*" are searched.
   48    * 
   49    * @author Bill Shannon
   50    * @author John Mani
   51    */
   52   public final class BodyTerm extends StringTerm {
   53   
   54       private static final long serialVersionUID = -4888862527916911385L;
   55   
   56       /**
   57        * Constructor
   58        * @param pattern	The String to search for
   59        */
   60       public BodyTerm(String pattern) {
   61   	// Note: comparison is case-insensitive
   62   	super(pattern);
   63       }
   64   
   65       /**
   66        * The match method.
   67        *
   68        * @param msg	The pattern search is applied on this Message's body
   69        * @return		true if the pattern is found; otherwise false 
   70        */
   71       public boolean match(Message msg) {
   72   	return matchPart(msg);
   73       }
   74   
   75       /**
   76        * Search all the parts of the message for any text part
   77        * that matches the pattern.
   78        */
   79       private boolean matchPart(Part p) {
   80   	try {
   81   	    /*
   82   	     * Using isMimeType to determine the content type avoids
   83   	     * fetching the actual content data until we need it.
   84   	     */
   85   	    if (p.isMimeType("text/*")) {
   86   		String s = (String)p.getContent();
   87   		if (s == null)
   88   		    return false;
   89   		/*
   90   		 * We invoke our superclass' (i.e., StringTerm) match method.
   91   		 * Note however that StringTerm.match() is not optimized 
   92   		 * for substring searches in large string buffers. We really
   93   		 * need to have a StringTerm subclass, say BigStringTerm, 
   94   		 * with its own match() method that uses a better algorithm ..
   95   		 * and then subclass BodyTerm from BigStringTerm.
   96   		 */ 
   97   		return super.match(s);
   98   	    } else if (p.isMimeType("multipart/*")) {
   99   		Multipart mp = (Multipart)p.getContent();
  100   		int count = mp.getCount();
  101   		for (int i = 0; i < count; i++)
  102   		    if (matchPart(mp.getBodyPart(i)))
  103   			return true;
  104   	    } else if (p.isMimeType("message/rfc822")) {
  105   		return matchPart((Part)p.getContent());
  106   	    }
  107   	} catch (Exception ex) {
  108   	}
  109   	return false;
  110       }
  111   
  112       /**
  113        * Equality comparison.
  114        */
  115       public boolean equals(Object obj) {
  116   	if (!(obj instanceof BodyTerm))
  117   	    return false;
  118   	return super.equals(obj);
  119       }
  120   }

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