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'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2014 Volker Bergmann ([email protected]).
* All rights reserved.
*
* 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.databene.commons;
import java.text.ParsePosition;
/**
* Parent for classes which parse {@link String}.
* It resembles the 'parse' part of the {@link java.text.Format} class.
* Created: 10.03.2011 15:36:54
* @since 0.5.8
* @author Volker Bergmann
*/
public abstract class Parser {
public E parse(String text) {
ParsePosition pos = new ParsePosition(0);
E result = parseObject(text, pos);
if (pos.getIndex() < text.length())
throw new ParseException("Illegal syntax", text, -1, pos.getIndex());
return result;
}
public abstract E parseObject(String text, ParsePosition pos);
}