de.boksa.rt.rest.response.parser.processor.DateFieldProcessor.java Source code

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Here is the source code for de.boksa.rt.rest.response.parser.processor.DateFieldProcessor.java

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/*
 * Copyright (C) 2012  Ilia Sotnikov (hostcc@gmail.com)
 * 
 *   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.
 *
 * Based on src/main/java/de/boksa/rt/rest/response/parser/processor/LongFieldProcessor.java
 *  copyright (C) Benjamin Boksa
 */
package de.boksa.rt.rest.response.parser.processor;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.commons.beanutils.converters.DateConverter;
import org.apache.commons.beanutils.ConvertUtils;
import java.util.Date;

public class DateFieldProcessor extends AbstractBeanProcessor {

    private static final DateFieldProcessor SINGLETON = new DateFieldProcessor();

    private static final String DATE_FORMAT_PATTERNS[] = {
            // Possible date formats, see lib/RT/Date.pm in RT distribution
            "yyyy-MM-dd HH:mm:ss", // ISO: YYYY-MM-DD hh:mm:ss
            "yyyy-MM-ddTHH:mm:ssz", // W3CDTF:  YYYY-MM-DDThh:mm:ssTZD
            "EEE, dd MMM yyyy HH:mm:ss ZZZ", // RFC2822: Sun, 06 Nov 1994 08:49:37 +0000
            "EEE, dd MMM yyyy HH:mm:ss Z", // RFC2616: Sun, 06 Nov 1994 08:49:37 GMT
            "yyyyMMddTHHmmss", // iCal: 19971024T120000
            "EEE MMM dd HH:mm:ss yyyy" // A system default
    };

    private DateConverter dateConverter;

    private DateFieldProcessor() {
        dateConverter = new DateConverter();
        ConvertUtils.register(dateConverter, Date.class);
    }

    public static DateFieldProcessor getInstance() {
        return SINGLETON;
    }

    @Override
    public void process(Object ticket, String fieldName, String fieldValue) {
        // No need the matcher here - DateConverter will handle that itself
        dateConverter.setPatterns(DATE_FORMAT_PATTERNS);
        this.copyProperty(ticket, fieldName, fieldValue);
    }
}