| /* |
| * 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.fop.render.pdf.pdfbox; |
| |
| import java.io.IOException; |
| |
| import org.apache.pdfbox.cos.COSDictionary; |
| import org.apache.pdfbox.cos.COSName; |
| |
| import org.apache.fop.pdf.PDFDictionary; |
| import org.apache.fop.pdf.PDFDocument; |
| import org.apache.fop.pdf.PDFStructTreeRoot; |
| |
| public class DocumentRootModifier { |
| |
| private PDFBoxAdapter adapter; |
| private PDFDocument pdfDoc; |
| |
| public DocumentRootModifier(PDFBoxAdapter adapter, PDFDocument pdfDoc) { |
| this.adapter = adapter; |
| this.pdfDoc = pdfDoc; |
| } |
| |
| public void structTreeRootEntriesToCopy(COSDictionary structRootDict) throws IOException { |
| checkForMap(structRootDict, COSName.ROLE_MAP.getName()); |
| checkForMap(structRootDict, "ClassMap"); |
| } |
| |
| private void checkForMap(COSDictionary structRootDict, String mapName) throws IOException { |
| if (structRootDict.containsKey(mapName)) { |
| COSDictionary addedMapDict = (COSDictionary)structRootDict.getDictionaryObject(mapName); |
| PDFDictionary temp = (PDFDictionary) adapter.cloneForNewDocument(addedMapDict); |
| PDFStructTreeRoot structTreeRoot = pdfDoc.getRoot().getStructTreeRoot(); |
| if (!structTreeRoot.containsKey(mapName)) { |
| structTreeRoot.put(mapName, temp); |
| } else { |
| PDFDictionary rootMap = (PDFDictionary)structTreeRoot.get(mapName); |
| addMapToStructTreeRoot(rootMap, temp, mapName); |
| } |
| } |
| } |
| |
| private void mergeMapClass(PDFDictionary main, PDFDictionary addition) { |
| for (String key : addition.keySet()) { |
| main.put(key, addition.get(key)); |
| } |
| } |
| |
| private void mergeRoleMaps(PDFDictionary structRoot, PDFDictionary addition) { |
| for (String key : addition.keySet()) { |
| if (!structRoot.containsKey(key)) { |
| structRoot.put(key, addition.get(key)); |
| } |
| } |
| } |
| |
| private void addMapToStructTreeRoot(PDFDictionary rootMap, PDFDictionary map, String mapName) { |
| if (mapName.equals(COSName.ROLE_MAP.getName())) { |
| mergeRoleMaps(rootMap, map); |
| } else { |
| mergeMapClass(rootMap, map); |
| } |
| } |
| } |