javax.mail.search.SearchTerm Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://oss.oracle.com/licenses/CDDL+GPL-1.1
* or LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package javax.mail.search;
import java.io.Serializable;
import javax.mail.Message;
/**
* Search criteria are expressed as a tree of search-terms, forming
* a parse-tree for the search expression.
*
* Search-terms are represented by this class. This is an abstract
* class; subclasses implement specific match methods.
*
* Search terms are serializable, which allows storing a search term
* between sessions.
*
* Warning:
* Serialized objects of this class may not be compatible with future
* JavaMail API releases. The current serialization support is
* appropriate for short term storage.
*
* @author Bill Shannon
* @author John Mani
*/
public abstract class SearchTerm implements Serializable {
private static final long serialVersionUID = -6652358452205992789L;
/**
* This method applies a specific match criterion to the given
* message and returns the result.
*
* @param msg The match criterion is applied on this message
* @return true, it the match succeeds, false if the match fails
*/
public abstract boolean match(Message msg);
}