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1 package org.enhydra.shark.xpdl.elements;
2
3 import java.util.ArrayList  ;
4 import java.util.Iterator ;
5
6 import org.enhydra.shark.utilities.SequencedHashMap;
7 import org.enhydra.shark.xpdl.XMLCollection;
8 import org.enhydra.shark.xpdl.XMLComplexElement;
9 import org.enhydra.shark.xpdl.XMLElement;
10 import org.enhydra.shark.xpdl.XMLUtil;
11
12
17 public class ExtendedAttributes extends XMLCollection {
18
19 public transient SequencedHashMap eaMap;
20
21 protected String extAttribsString;
22
23 public ExtendedAttributes (XMLComplexElement parent) {
24 super(parent, false);
25 }
26
27 public XMLElement generateNewElement() {
28 return new ExtendedAttribute(this);
29 }
30
31 public ExtendedAttribute getFirstExtendedAttributeForName (String name) {
32 ExtendedAttribute ea=null;
33 ArrayList l=getElementsForName(name);
34 if (l!=null && l.size()>0) {
35 ea=(ExtendedAttribute)l.get(0);
36 }
37 return ea;
38 }
39
40 public void initCaches () {
41 super.initCaches();
42 Iterator it=elements.iterator();
43 while (it.hasNext()) {
44 ExtendedAttribute ea=(ExtendedAttribute)it.next();
45 String eaName=ea.getName();
46 ArrayList l=(ArrayList )eaMap.get(eaName);
47 if (l==null) {
48 l=new ArrayList ();
49 }
50 l.add(ea);
51 eaMap.put(eaName,l);
52 }
53 if (parent instanceof Application) {
54 getExtendedAttributesString();
55 }
56 }
57
58 public void initExtAttribString () {
59 if (!isReadOnly) {
60 throw new RuntimeException ("This method can be used only in read-only mode!");
61 }
62 if (this.size()>0) {
63 try {
64 extAttribsString=XMLUtil.stringifyExtendedAttributes(this);
65 } catch (Throwable thr) {
66 throw new RuntimeException ("Can't stringify extended attributes!");
67 }
68 } else {
69 extAttribsString="";
70 }
71 }
72
73 public void clearExtAttribString () {
74 extAttribsString=null;
75 }
76
77 public String getExtendedAttributesString () {
78 if (!isReadOnly) {
79 throw new RuntimeException ("This method can be used only in read-only mode!");
80 }
81 if (extAttribsString==null) {
82 initExtAttribString();
83 }
84 return extAttribsString;
85 }
86
87 public void clearCaches () {
88 eaMap=new SequencedHashMap();
89 super.clearCaches();
90 }
91
92 public void clear () {
93 if (eaMap!=null) {
94 eaMap.clear();
95 }
96 super.clear();
97 }
98
99
102 public boolean containsElement (String name) {
103 if (isReadOnly && cachesInitialized) {
104 return eaMap.containsKey(name);
105 } else {
106 Iterator it=elements.iterator();
107 while (it.hasNext()) {
108 ExtendedAttribute ea=(ExtendedAttribute)it.next();
109 if (ea.getName().equals(name)) {
110 return true;
111 }
112 }
113 return false;
114 }
115 }
116
117
120 public boolean containsValue (String val) {
121 Iterator it=elements.iterator();
122 while (it.hasNext()) {
123 ExtendedAttribute ea=(ExtendedAttribute)it.next();
124 if (ea.getVValue().equals(val)) {
125 return true;
126 }
127 }
128 return false;
129 }
130
131
134 public ArrayList getElementsForName (String name) {
135 if (isReadOnly && cachesInitialized) {
136 return (ArrayList )eaMap.get(name);
137 } else {
138 ArrayList l=new ArrayList ();
139 Iterator it=elements.iterator();
140 while (it.hasNext()) {
141 ExtendedAttribute ea=(ExtendedAttribute)it.next();
142 if (ea.getName().equals(name)) {
143 l.add(ea);
144 }
145 }
146 return l;
147 }
148 }
149
150 public Object clone () {
151 ExtendedAttributes d=(ExtendedAttributes)super.clone();
152 d.extAttribsString=this.extAttribsString;
153
154 return d;
155 }
156
157 }
158 |
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