/*
* 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.util.operator;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.util.PDFOperator;
import org.apache.pdfbox.util.PDFStreamEngine;
import java.util.List;
import java.io.IOException;
/**
* @author Huault : huault@free.fr
* @version $Revision: 1.3 $
*/
public abstract class OperatorProcessor
{
/**
* The stream engine processing context.
*/
protected PDFStreamEngine context = null;
/**
* Constructor.
*
*/
protected OperatorProcessor()
{
}
/**
* Get the context for processing.
*
* @return The processing context.
*/
protected PDFStreamEngine getContext()
{
return context;
}
/**
* Set the processing context.
*
* @param ctx The context for processing.
*/
public void setContext(PDFStreamEngine ctx)
{
context = ctx;
}
/**
* process the operator.
* @param operator The operator that is being processed.
* @param arguments arguments needed by this operator.
*
* @throws IOException If there is an error processing the operator.
*/
public abstract void process(PDFOperator operator, List<COSBase> arguments) throws IOException;
}
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