javax.mail.search.SizeTerm.java Source code

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Here is the source code for javax.mail.search.SizeTerm.java

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/*
 * 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:
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 * 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]"
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 * 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
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 */

package javax.mail.search;

import javax.mail.Message;

/**
 * This class implements comparisons for Message sizes.
 *
 * @author Bill Shannon
 * @author John Mani
 */
public final class SizeTerm extends IntegerComparisonTerm {

    private static final long serialVersionUID = -2556219451005103709L;

    /**
     * Constructor.
     *
     * @param comparison   the Comparison type
     * @param size      the size
     */
    public SizeTerm(int comparison, int size) {
        super(comparison, size);
    }

    /**
     * The match method.
     *
     * @param msg   the size comparator is applied to this Message's size
     * @return      true if the size is equal, otherwise false 
     */
    @Override
    public boolean match(Message msg) {
        int size;

        try {
            size = msg.getSize();
        } catch (Exception e) {
            return false;
        }

        if (size == -1)
            return false;

        return super.match(size);
    }

    /**
     * Equality comparison.
     */
    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof SizeTerm))
            return false;
        return super.equals(obj);
    }
}