/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 1997-2007 Sun Microsystems, Inc. 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://glassfish.dev.java.net/public/CDDL+GPL.html * or glassfish/bootstrap/legal/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 glassfish/bootstrap/legal/LICENSE.txt. * Sun designates this particular file as subject to the "Classpath" exception * as provided by Sun in the GPL Version 2 section of the License file that * accompanied this code.  If applicable, add the following below the License * Header, with the fields enclosed by brackets [] replaced by your own * identifying information: "Portions Copyrighted [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. *//* * @(#)FlagTerm.java	1.13 07/05/04 */package javax.mail.search;import javax.mail.*;/** * This class implements comparisons for Message Flags. * * @author Bill Shannon * @author John Mani */public final class FlagTerm extends SearchTerm {    /**     * Indicates whether to test for the presence or     * absence of the specified Flag. If <code>true</code>,     * then test whether all the specified flags are present, else     * test whether all the specified flags are absent.     *     * @serial     */    protected boolean set;    /**     * Flags object containing the flags to test.     *     * @serial     */    protected Flags flags;    private static final long serialVersionUID = -142991500302030647L;    /**     * Constructor.     *     * @param flags	Flags object containing the flags to check for     * @param set	the flag setting to check for     */    public FlagTerm(Flags flags, boolean set) {	this.flags = flags;	this.set = set;    }    /**     * Return the Flags to test.     */    public Flags getFlags() {	return (Flags)flags.clone();    }    /**     * Return true if testing whether the flags are set.     */    public boolean getTestSet() {	return set;    }    /**     * The comparison method.     *     * @param msg	The flag comparison is applied to this Message     * @return		true if the comparson succeeds, otherwise false.     */    public boolean match(Message msg) {	try {	    Flags f = msg.getFlags();	    if (set) { // This is easy		if (f.contains(flags))		    return true;		else 		    return false;	    }	    // Return true if ALL flags in the passed in Flags	    // object are NOT set in this Message.	    // Got to do this the hard way ...	    Flags.Flag[] sf = flags.getSystemFlags();	    // Check each flag in the passed in Flags object	    for (int i = 0; i < sf.length; i++) {		if (f.contains(sf[i]))		    // this flag IS set in this Message, get out.		    return false;	    }	    String[] s = flags.getUserFlags();	    // Check each flag in the passed in Flags object	    for (int i = 0; i < s.length; i++) {		if (f.contains(s[i]))		    // this flag IS set in this Message, get out.		    return false;	    }	    return true;	} catch (Exception e) {	    return false;	}    }    /**     * Equality comparison.     */    public boolean equals(Object obj) {	if (!(obj instanceof FlagTerm))	    return false;	FlagTerm ft = (FlagTerm)obj;	return ft.set == this.set && ft.flags.equals(this.flags);    }    /**     * Compute a hashCode for this object.     */    public int hashCode() {	return set ? flags.hashCode() : ~flags.hashCode();    }}