/* * 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. *//* * @(#)StringTerm.java	1.9 07/05/04 */package javax.mail.search;/** * This class implements the match method for Strings. The current * implementation provides only for substring matching. We * could add comparisons (like strcmp ...). * * @author Bill Shannon * @author John Mani */public abstract class StringTerm extends SearchTerm {    /**     * The pattern.     *     * @serial     */    protected String pattern;    /**     * Ignore case when comparing?     *     * @serial     */    protected boolean ignoreCase;    private static final long serialVersionUID = 1274042129007696269L;    protected StringTerm(String pattern) {	this.pattern = pattern;	ignoreCase = true;    }    protected StringTerm(String pattern, boolean ignoreCase) {	this.pattern = pattern;	this.ignoreCase = ignoreCase;    }    /**     * Return the string to match with.     */    public String getPattern() {	return pattern;    }    /**     * Return true if we should ignore case when matching.     */    public boolean getIgnoreCase() {	return ignoreCase;    }    protected boolean match(String s) {	int len = s.length() - pattern.length();	for (int i=0; i <= len; i++) {	    if (s.regionMatches(ignoreCase, i, 				pattern, 0, pattern.length()))		return true;	}	return false;    }    /**     * Equality comparison.     */    public boolean equals(Object obj) {	if (!(obj instanceof StringTerm))	    return false;	StringTerm st = (StringTerm)obj;	if (ignoreCase)	    return st.pattern.equalsIgnoreCase(this.pattern) &&		    st.ignoreCase == this.ignoreCase;	else	    return st.pattern.equals(this.pattern) &&		    st.ignoreCase == this.ignoreCase;    }    /**     * Compute a hashCode for this object.     */    public int hashCode() {	return ignoreCase ? pattern.hashCode() : ~pattern.hashCode();    }}