com.adaptris.mail.SubjectFilter.java Source code

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Here is the source code for com.adaptris.mail.SubjectFilter.java

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/*
 * Copyright 2015 Adaptris Ltd.
 * 
 * Licensed 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
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, 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.
*/

package com.adaptris.mail;

import java.util.Arrays;
import java.util.List;

import javax.mail.Message;
import javax.mail.MessagingException;

import org.apache.commons.lang.StringUtils;

/**
 * Filter on the Subject.
 * 
 * @author lchan
 * @author $Author: lchan $
 */
class SubjectFilter extends MessageFilterImp {

    SubjectFilter(MatchProxy m) {
        super(m);
    }

    @Override
    List<String> getHeaders(Message m) throws MessagingException {
        return Arrays.asList(new String[] { StringUtils.defaultIfEmpty(m.getSubject(), "") });
    }
}