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1
52
53 package freemarker.ext.xml;
54 import freemarker.template.TemplateMethodModel;
55 import java.lang.String  ;
56 import java.util.List ;
57 import freemarker.template.TemplateScalarModel;
58 import freemarker.template.TemplateModelException;
59 import java.util.HashMap ;
60
61
65 class Namespaces
66 implements
67 TemplateMethodModel,
68 Cloneable
69 {
70 static final Factory FACTORY = new Factory()
71 {
72 public Namespaces create()
73 {
74 return new Namespaces();
75 }
76 };
77
78 private HashMap namespaces;
79 private boolean shared;
80
81 Namespaces() {
82 namespaces = new HashMap ();
83 namespaces.put("", "");
84 namespaces.put("xml", "http://www.w3.org/XML/1998/namespace");
85 shared = false;
86 }
87
88 public Object clone() {
89 try {
90 Namespaces clone = (Namespaces)super.clone();
91 clone.namespaces = (HashMap )namespaces.clone();
92 clone.shared = false;
93 return clone;
94 }
95 catch(CloneNotSupportedException e) {
96 throw new Error (); }
98 }
99
100 public String translateNamespacePrefixToUri(String prefix) {
101 synchronized(namespaces) {
102 return (String )namespaces.get(prefix);
103 }
104 }
105
106 public Object exec(List arguments) throws TemplateModelException {
107 if (arguments.size() != 2) {
108 throw new TemplateModelException("_registerNamespace(prefix, uri) requires two arguments");
109 }
110 registerNamespace((String )arguments.get(0), (String )arguments.get(1));
111 return TemplateScalarModel.EMPTY_STRING;
112 }
113
114 void registerNamespace(String prefix, String uri) {
115 synchronized(namespaces) {
116 namespaces.put(prefix, uri);
117 }
118 }
119
120 void markShared() {
121 if(!shared) {
122 shared = true;
123 }
124 }
125
126 boolean isShared() {
127 return shared;
128 }
129
130 interface Factory
131 {
132 Namespaces create();
133 }
134
135
136 } |
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