org.apache.pdfbox.cos.ICOSParser Maven / Gradle / Ivy
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The Apache PDFBox library is an open source Java tool for working with PDF documents.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.pdfbox.cos;
import java.io.IOException;
import org.apache.pdfbox.io.RandomAccessReadView;
public interface ICOSParser
{
/**
* Dereference the COSBase object which is referenced by the given COSObject.
*
* @param obj the COSObject which references the COSBase object to be dereferenced.
* @return the referenced object
* @throws IOException if something went wrong when dereferencing the COSBase object
*/
COSBase dereferenceCOSObject(COSObject obj) throws IOException;
/**
* Creates a random access read view starting at the given position with the given length.
*
* @param startPosition start position within the underlying random access read
* @param streamLength stream length
* @return the random access read view
* @throws IOException if something went wrong when creating the view for the RandomAccessRead
*/
RandomAccessReadView createRandomAccessReadView(long startPosition, long streamLength)
throws IOException;
}