javax.mail.search.AndTerm Maven / Gradle / Ivy
/*
* 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.
*/
package javax.mail.search;
import javax.mail.Message;
/**
* This class implements the logical AND operator on individual
* SearchTerms.
*
* @author Bill Shannon
* @author John Mani
*/
public final class AndTerm extends SearchTerm {
/**
* The array of terms on which the AND operator should be
* applied.
*
* @serial
*/
protected SearchTerm[] terms;
private static final long serialVersionUID = -3583274505380989582L;
/**
* Constructor that takes two terms.
*
* @param t1 first term
* @param t2 second term
*/
public AndTerm(SearchTerm t1, SearchTerm t2) {
terms = new SearchTerm[2];
terms[0] = t1;
terms[1] = t2;
}
/**
* Constructor that takes an array of SearchTerms.
*
* @param t array of terms
*/
public AndTerm(SearchTerm[] t) {
terms = new SearchTerm[t.length]; // clone the array
for (int i = 0; i < t.length; i++)
terms[i] = t[i];
}
/**
* Return the search terms.
*/
public SearchTerm[] getTerms() {
return (SearchTerm[])terms.clone();
}
/**
* The AND operation.
*
* The terms specified in the constructor are applied to
* the given object and the AND operator is applied to their results.
*
* @param msg The specified SearchTerms are applied to this Message
* and the AND operator is applied to their results.
* @return true if the AND succeds, otherwise false
*/
public boolean match(Message msg) {
for (int i=0; i < terms.length; i++)
if (!terms[i].match(msg))
return false;
return true;
}
/**
* Equality comparison.
*/
public boolean equals(Object obj) {
if (!(obj instanceof AndTerm))
return false;
AndTerm at = (AndTerm)obj;
if (at.terms.length != terms.length)
return false;
for (int i=0; i < terms.length; i++)
if (!terms[i].equals(at.terms[i]))
return false;
return true;
}
/**
* Compute a hashCode for this object.
*/
public int hashCode() {
int hash = 0;
for (int i=0; i < terms.length; i++)
hash += terms[i].hashCode();
return hash;
}
}