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Java example source code file (InternalParserDateTimeParser.java)

This example Java source code file (InternalParserDateTimeParser.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

charsequence, datetimeparser, datetimeparserinternalparser, internalparser, internalparserdatetimeparser, override, string

The InternalParserDateTimeParser.java Java example source code

/*
 *  Copyright 2001-2014 Stephen Colebourne
 *
 *  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 org.joda.time.format;


/**
 * Adapter between old and new printer interface.
 *
 * @author Stephen Colebourne
 * @since 2.4
 */
class InternalParserDateTimeParser implements DateTimeParser, InternalParser {
    
    private final InternalParser underlying;

    static DateTimeParser of(InternalParser underlying) {
        if (underlying instanceof DateTimeParserInternalParser) {
            return ((DateTimeParserInternalParser) underlying).getUnderlying();
        }
        if (underlying instanceof DateTimeParser) {
            return (DateTimeParser) underlying;
        }
        if (underlying == null) {
            return null;
        }
        return new InternalParserDateTimeParser(underlying);
    }

    private InternalParserDateTimeParser(InternalParser underlying) {
        this.underlying = underlying;
    }

    //-------------------------------------------------------------------------
    public int estimateParsedLength() {
        return underlying.estimateParsedLength();
    }

    public int parseInto(DateTimeParserBucket bucket, CharSequence text, int position) {
        return underlying.parseInto(bucket, text, position);
    }

    public int parseInto(DateTimeParserBucket bucket, String text, int position) {
        return underlying.parseInto(bucket, text, position);
    }

    //-----------------------------------------------------------------------
    @Override
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (obj instanceof InternalParserDateTimeParser) {
            InternalParserDateTimeParser other = (InternalParserDateTimeParser) obj;
            return underlying.equals(other.underlying);
        }
        return false;
    }

}

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