/* * 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 org.apache.pdfbox.filter.FilterManager; import org.apache.pdfbox.pdmodel.common.COSObjectable; import org.apache.pdfbox.exceptions.COSVisitorException; /** * The base object that all objects in the PDF document will extend. * * @author <a href="ben@benlitchfield.com">Ben Litchfield</a> * @version $Revision: 1.14 $ */ public abstract class COSBase implements COSObjectable { /** * Constructor. */ private boolean needToBeUpdate; private boolean direct; public COSBase() { needToBeUpdate = false; } /** * This will get the filter manager to use to filter streams. * * @return The filter manager. */ public FilterManager getFilterManager() { /** * @todo move this to PDFdocument or something better */ return new FilterManager(); } /** * Convert this standard java object to a COS object. * * @return The cos object that matches this Java object. */ public COSBase getCOSObject() { return this; } /** * visitor pattern double dispatch method. * * @param visitor The object to notify when visiting this object. * @return any object, depending on the visitor implementation, or null * @throws COSVisitorException If an error occurs while visiting this object. */ public abstract Object accept(ICOSVisitor visitor) throws COSVisitorException; public void setNeedToBeUpdate(boolean flag) { needToBeUpdate = flag; } /** * If the state is set true, the dictionary will be written direct into the called object. * This means, no indirect object will be created. * * @return the state */ public boolean isDirect() { return direct; } /** * Set the state true, if the dictionary should be written as a direct object and not indirect. * * @param direct set it true, for writting direct object */ public void setDirect(boolean direct) { this.direct = direct; } public boolean isNeedToBeUpdate() { return needToBeUpdate; } }