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/*
* 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.
*/
/* $Id$ */
package org.apache.fop.render.pdf.extensions;
import java.util.List;
import java.util.Map;
// CSOFF: LineLengthCheck
public class PDFDictionaryExtension extends PDFDictionaryEntryExtension {
public static final String PROPERTY_PAGE_NUMBERS = "page-numbers";
private static final long serialVersionUID = -1L;
private PDFDictionaryType dictionaryType;
private Map<String, String> properties;
private List<PDFDictionaryEntryExtension> entries;
PDFDictionaryExtension() {
}
PDFDictionaryExtension(PDFDictionaryType dictionaryType) {
super(PDFDictionaryEntryType.Dictionary);
this.dictionaryType = dictionaryType;
this.properties = new java.util.HashMap<String, String>();
this.entries = new java.util.ArrayList<PDFDictionaryEntryExtension>();
}
public PDFDictionaryType getDictionaryType() {
return dictionaryType;
}
public void setProperty(String name, String value) {
properties.put(name, value);
}
public String getProperty(String name) {
return properties.get(name);
}
public void addEntry(PDFDictionaryEntryExtension entry) {
entries.add(entry);
}
public List<PDFDictionaryEntryExtension> getEntries() {
return entries;
}
public PDFDictionaryEntryExtension getLastEntry() {
if (entries.size() > 0) {
return entries.get(entries.size() - 1);
} else {
return null;
}
}
/**
* Determine if page dictionary and page number matches.
* @param pageNumber page number, where first page number is 1
* @return true if this dictionary is a page dictionary and specified page number matches specified page-number property
*/
public boolean matchesPageNumber(int pageNumber) {
if (dictionaryType != PDFDictionaryType.Page) {
return false;
}
String pageNumbers = getProperty(PROPERTY_PAGE_NUMBERS);
if ((pageNumbers == null) || (pageNumbers.length() == 0)) {
return false;
} else if (pageNumbers.equals("*")) {
return true;
} else {
for (String interval : pageNumbers.split("\\s*,\\s*")) {
String[] components = interval.split("\\s*-\\s*");
if (components.length < 1) {
continue;
} else {
try {
int start = Integer.parseInt(components[0]);
int end = 0;
if (components.length > 1) {
if (!components[1].equals("LAST")) {
end = Integer.parseInt(components[1]);
}
}
if ((end == 0) && (pageNumber == start)) {
return true;
} else if ((end > start) && (pageNumber >= start) && (pageNumber < end)) {
return true;
} else {
continue;
}
} catch (NumberFormatException e) {
continue;
}
}
}
}
return false;
}
@Override
public String getElementName() {
return dictionaryType.elementName();
}
}
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