de.intarsys.pdf.st.AbstractXRefParser Maven / Gradle / Ivy

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/*
 * Copyright (c) 2007, intarsys consulting GmbH
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * - Neither the name of intarsys nor the names of its contributors may be used
 *   to endorse or promote products derived from this software without specific
 *   prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 */
package de.intarsys.pdf.st;

import java.io.IOException;

import de.intarsys.pdf.parser.COSDocumentParser;
import de.intarsys.pdf.parser.COSLoadError;
import de.intarsys.pdf.parser.COSLoadException;
import de.intarsys.pdf.parser.COSLoadWarning;
import de.intarsys.tools.randomaccess.IRandomAccess;

/**
 * An abstract parser for the PDF XRef information.
 * 
 */
public abstract class AbstractXRefParser {
	private STDocument doc;

	private COSDocumentParser parser;

	public AbstractXRefParser(STDocument doc, COSDocumentParser parser) {
		this.doc = doc;
		this.parser = parser;
	}

	protected STDocument getDoc() {
		return doc;
	}

	protected COSDocumentParser getParser() {
		return parser;
	}

	/**
	 * Parser the {@link STXRefSection} from the randomAccess.
	 * 
	 * @param randomAcces
	 * @return The parsed {@link STXRefSection}
	 * @throws IOException
	 * @throws COSLoadException
	 */
	abstract public STXRefSection parse(IRandomAccess randomAcces)
			throws IOException, COSLoadException;

	protected void handleWarning(COSLoadWarning warning)
			throws COSLoadException {
		parser.handleWarning(warning);
	}

	protected void handleError(COSLoadError error) throws COSLoadException {
		parser.handleError(error);
	}
}