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 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
 * with the License.  You may obtain a copy of the License at   *
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 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
 * KIND, either express or implied.  See the License for the    *
 * specific language governing permissions and limitations      *
 * under the License.                                           *
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package org.apache.jsieve.comparators;

import org.apache.jsieve.exception.SievePatternException;

/**
 * Class AsciiCasemap implements the EQUALITY operation of the i;ascii-casemap
 * comparator as defined by RFC2244, section 3.4 - "With this function the
 * values "hello" and "HELLO" have the same ordinal value and are considered
 * equal".
 */
public class AsciiCasemap implements Comparator {

    /**
     * Constructor for AsciiCasemap.
     */
    public AsciiCasemap() {
        super();
    }

    /**
     * @see org.apache.jsieve.comparators.Equals#equals(String, String)
     */
    public boolean equals(String string1, String string2) {
        return ComparatorUtils.equals(string1.toUpperCase(), string2
                .toUpperCase());
    }

    /**
     * @see org.apache.jsieve.comparators.Contains#contains(String, String)
     */
    public boolean contains(String container, String content) {
        return ComparatorUtils.contains(container.toUpperCase(), content
                .toUpperCase());
    }

    /**
     * @see org.apache.jsieve.comparators.Matches#matches(String, String)
     */
    public boolean matches(String string, String glob)
            throws SievePatternException {
        return ComparatorUtils
                .matches(string.toUpperCase(), glob.toUpperCase());
    }

}