Java Date Format Pattern getFormatter(final String pattern)

Description

get Formatter

License

Apache License

Declaration

public static ThreadLocal<SimpleDateFormat> getFormatter(final String pattern) 

Method Source Code

//package com.java2s;
/*/*from  ww w .  j  a va2s  .c o m*/
 * Copyright 2011 International Health Terminology Standards Development Organisation.
 *
 * 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.
 */

import java.text.SimpleDateFormat;

import java.util.concurrent.ConcurrentHashMap;

public class Main {
    private static final ConcurrentHashMap<String, ThreadLocal<SimpleDateFormat>> formatters = new ConcurrentHashMap<>();

    public static ThreadLocal<SimpleDateFormat> getFormatter(final String pattern) {
        if (!formatters.containsKey(pattern)) {
            formatters.put(pattern, new ThreadLocal<SimpleDateFormat>() {
                @Override
                protected SimpleDateFormat initialValue() {
                    return new SimpleDateFormat(pattern);
                }
            });
        }

        return formatters.get(pattern);
    }
}

Related

1. getFormat(String pattern)
2. getFormatCurrentAdd(int amount, String format)
3. getFormattedValue(Object customFieldValue)
4. getFormatter()
5. getFormatter()
6. getFormatter(String pattern)
7. getFormatters()
8. getFormatToSecsForFilename()
9. getHeaderFormat()