1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 /* $Id$ */
19 
20 package org.apache.fop.render.pdf.extensions;
21 
22 // CSOFF: LineLengthCheck
23 
24 /**
25  * Enumeration type for PDF dictionary extension elements.
26  */
27 public enum PDFDictionaryType {
28     Action("action", true),             // action dictionary element
29     Catalog("catalog"),                 // catalog dictionary element
30     Dictionary("dictionary"),           // generic (nested) dictionary element
31     Layer("layer", true),               // optional content group dictionary element
32     Navigator("navigator", true),       // navigation node dictionary element
33     Page("page"),                       // page dictionary element
34     /** Document Information Dictionary */
35     Info("info"),
36     VT("vt"),
37     PagePiece("pagepiece");
38 
39     private String elementName;
40     private boolean usesIDAttribute;
PDFDictionaryType(String elementName, boolean usesIDAttribute)41     PDFDictionaryType(String elementName, boolean usesIDAttribute) {
42         this.elementName = elementName;
43         this.usesIDAttribute = usesIDAttribute;
44     }
PDFDictionaryType(String elementName)45     PDFDictionaryType(String elementName) {
46         this(elementName, false);
47     }
elementName()48     public String elementName() {
49         return elementName;
50     }
usesIDAttribute()51     public boolean usesIDAttribute() {
52         return usesIDAttribute;
53     }
valueOfElementName(String elementName)54     static PDFDictionaryType valueOfElementName(String elementName) {
55         for (PDFDictionaryType type : values()) {
56             if (type.elementName.equals(elementName)) {
57                 return type;
58             }
59         }
60         throw new IllegalArgumentException();
61     }
hasValueOfElementName(String elementName)62     static boolean hasValueOfElementName(String elementName) {
63         try {
64             return valueOfElementName(elementName) != null;
65         } catch (Exception e) {
66             return false;
67         }
68     }
69 }
70