Source Code Cross Referenced for Namespace.java in  » Scripting » rhino » org » mozilla » javascript » xmlimpl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Scripting » rhino » org.mozilla.javascript.xmlimpl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
002:         *
003:         * ***** BEGIN LICENSE BLOCK *****
004:         * Version: MPL 1.1/GPL 2.0
005:         *
006:         * The contents of this file are subject to the Mozilla Public License Version
007:         * 1.1 (the "License"); you may not use this file except in compliance with
008:         * the License. You may obtain a copy of the License at
009:         * http://www.mozilla.org/MPL/
010:         *
011:         * Software distributed under the License is distributed on an "AS IS" basis,
012:         * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
013:         * for the specific language governing rights and limitations under the
014:         * License.
015:         *
016:         * The Original Code is Rhino code, released
017:         * May 6, 1999.
018:         *
019:         * The Initial Developer of the Original Code is
020:         * Netscape Communications Corporation.
021:         * Portions created by the Initial Developer are Copyright (C) 1997-2000
022:         * the Initial Developer. All Rights Reserved.
023:         *
024:         * Contributor(s):
025:         *   Ethan Hugg
026:         *   Terry Lucas
027:         *   Milen Nankov
028:         *
029:         * Alternatively, the contents of this file may be used under the terms of
030:         * the GNU General Public License Version 2 or later (the "GPL"), in which
031:         * case the provisions of the GPL are applicable instead of those above. If
032:         * you wish to allow use of your version of this file only under the terms of
033:         * the GPL and not to allow others to use your version of this file under the
034:         * MPL, indicate your decision by deleting the provisions above and replacing
035:         * them with the notice and other provisions required by the GPL. If you do
036:         * not delete the provisions above, a recipient may use your version of this
037:         * file under either the MPL or the GPL.
038:         *
039:         * ***** END LICENSE BLOCK ***** */
040:
041:        package org.mozilla.javascript.xmlimpl;
042:
043:        import org.mozilla.javascript.*;
044:
045:        /**
046:         * Class Namespace
047:         *
048:         */
049:        class Namespace extends IdScriptableObject {
050:            static final long serialVersionUID = -5765755238131301744L;
051:
052:            private static final Object NAMESPACE_TAG = new Object();
053:
054:            private Namespace prototype;
055:            private XmlNode.Namespace ns;
056:
057:            private Namespace() {
058:            }
059:
060:            static Namespace create(Scriptable scope, Namespace prototype,
061:                    XmlNode.Namespace namespace) {
062:                Namespace rv = new Namespace();
063:                rv.setParentScope(scope);
064:                rv.prototype = prototype;
065:                rv.setPrototype(prototype);
066:                rv.ns = namespace;
067:                return rv;
068:            }
069:
070:            final XmlNode.Namespace getDelegate() {
071:                return ns;
072:            }
073:
074:            public void exportAsJSClass(boolean sealed) {
075:                exportAsJSClass(MAX_PROTOTYPE_ID, this .getParentScope(), sealed);
076:            }
077:
078:            public String uri() {
079:                return ns.getUri();
080:            }
081:
082:            public String prefix() {
083:                return ns.getPrefix();
084:            }
085:
086:            public String toString() {
087:                return uri();
088:            }
089:
090:            public String toLocaleString() {
091:                return toString();
092:            }
093:
094:            private boolean equals(Namespace n) {
095:                return uri().equals(n.uri());
096:            }
097:
098:            public boolean equals(Object obj) {
099:                if (!(obj instanceof  Namespace))
100:                    return false;
101:                return equals((Namespace) obj);
102:            }
103:
104:            protected Object equivalentValues(Object value) {
105:                if (!(value instanceof  Namespace))
106:                    return Scriptable.NOT_FOUND;
107:                boolean result = equals((Namespace) value);
108:                return result ? Boolean.TRUE : Boolean.FALSE;
109:            }
110:
111:            public String getClassName() {
112:                return "Namespace";
113:            }
114:
115:            public Object getDefaultValue(Class hint) {
116:                return uri();
117:            }
118:
119:            // #string_id_map#
120:            private static final int Id_prefix = 1, Id_uri = 2,
121:                    MAX_INSTANCE_ID = 2;
122:
123:            protected int getMaxInstanceId() {
124:                return super .getMaxInstanceId() + MAX_INSTANCE_ID;
125:            }
126:
127:            protected int findInstanceIdInfo(String s) {
128:                int id;
129:                // #generated# Last update: 2007-08-20 08:23:22 EDT
130:                L0: {
131:                    id = 0;
132:                    String X = null;
133:                    int s_length = s.length();
134:                    if (s_length == 3) {
135:                        X = "uri";
136:                        id = Id_uri;
137:                    } else if (s_length == 6) {
138:                        X = "prefix";
139:                        id = Id_prefix;
140:                    }
141:                    if (X != null && X != s && !X.equals(s))
142:                        id = 0;
143:                    break L0;
144:                }
145:                // #/generated#
146:
147:                if (id == 0)
148:                    return super .findInstanceIdInfo(s);
149:
150:                int attr;
151:                switch (id) {
152:                case Id_prefix:
153:                case Id_uri:
154:                    attr = PERMANENT | READONLY;
155:                    break;
156:                default:
157:                    throw new IllegalStateException();
158:                }
159:                return instanceIdInfo(attr, super .getMaxInstanceId() + id);
160:            }
161:
162:            // #/string_id_map#
163:
164:            protected String getInstanceIdName(int id) {
165:                switch (id - super .getMaxInstanceId()) {
166:                case Id_prefix:
167:                    return "prefix";
168:                case Id_uri:
169:                    return "uri";
170:                }
171:                return super .getInstanceIdName(id);
172:            }
173:
174:            protected Object getInstanceIdValue(int id) {
175:                switch (id - super .getMaxInstanceId()) {
176:                case Id_prefix:
177:                    if (ns.getPrefix() == null)
178:                        return Undefined.instance;
179:                    return ns.getPrefix();
180:                case Id_uri:
181:                    return ns.getUri();
182:                }
183:                return super .getInstanceIdValue(id);
184:            }
185:
186:            // #string_id_map#
187:            private static final int Id_constructor = 1, Id_toString = 2,
188:                    Id_toSource = 3, MAX_PROTOTYPE_ID = 3;
189:
190:            protected int findPrototypeId(String s) {
191:                int id;
192:                // #generated# Last update: 2007-08-20 08:23:22 EDT
193:                L0: {
194:                    id = 0;
195:                    String X = null;
196:                    int c;
197:                    int s_length = s.length();
198:                    if (s_length == 8) {
199:                        c = s.charAt(3);
200:                        if (c == 'o') {
201:                            X = "toSource";
202:                            id = Id_toSource;
203:                        } else if (c == 't') {
204:                            X = "toString";
205:                            id = Id_toString;
206:                        }
207:                    } else if (s_length == 11) {
208:                        X = "constructor";
209:                        id = Id_constructor;
210:                    }
211:                    if (X != null && X != s && !X.equals(s))
212:                        id = 0;
213:                    break L0;
214:                }
215:                // #/generated#
216:                return id;
217:            }
218:
219:            // #/string_id_map#
220:
221:            protected void initPrototypeId(int id) {
222:                String s;
223:                int arity;
224:                switch (id) {
225:                case Id_constructor:
226:                    arity = 2;
227:                    s = "constructor";
228:                    break;
229:                case Id_toString:
230:                    arity = 0;
231:                    s = "toString";
232:                    break;
233:                case Id_toSource:
234:                    arity = 0;
235:                    s = "toSource";
236:                    break;
237:                default:
238:                    throw new IllegalArgumentException(String.valueOf(id));
239:                }
240:                initPrototypeMethod(NAMESPACE_TAG, id, s, arity);
241:            }
242:
243:            public Object execIdCall(IdFunctionObject f, Context cx,
244:                    Scriptable scope, Scriptable this Obj, Object[] args) {
245:                if (!f.hasTag(NAMESPACE_TAG)) {
246:                    return super .execIdCall(f, cx, scope, this Obj, args);
247:                }
248:                int id = f.methodId();
249:                switch (id) {
250:                case Id_constructor:
251:                    return jsConstructor(cx, (this Obj == null), args);
252:                case Id_toString:
253:                    return realThis(this Obj, f).toString();
254:                case Id_toSource:
255:                    return realThis(this Obj, f).js_toSource();
256:                }
257:                throw new IllegalArgumentException(String.valueOf(id));
258:            }
259:
260:            private Namespace realThis(Scriptable this Obj, IdFunctionObject f) {
261:                if (!(this Obj instanceof  Namespace))
262:                    throw incompatibleCallError(f);
263:                return (Namespace) this Obj;
264:            }
265:
266:            Namespace newNamespace(String uri) {
267:                Namespace prototype = (this .prototype == null) ? this 
268:                        : this .prototype;
269:                return create(this .getParentScope(), prototype,
270:                        XmlNode.Namespace.create(uri));
271:            }
272:
273:            Namespace newNamespace(String prefix, String uri) {
274:                if (prefix == null)
275:                    return newNamespace(uri);
276:                Namespace prototype = (this .prototype == null) ? this 
277:                        : this .prototype;
278:                return create(this .getParentScope(), prototype,
279:                        XmlNode.Namespace.create(prefix, uri));
280:            }
281:
282:            Namespace constructNamespace(Object uriValue) {
283:                String prefix;
284:                String uri;
285:
286:                if (uriValue instanceof  Namespace) {
287:                    Namespace ns = (Namespace) uriValue;
288:                    prefix = ns.prefix();
289:                    uri = ns.uri();
290:                } else if (uriValue instanceof  QName) {
291:                    QName qname = (QName) uriValue;
292:                    uri = qname.uri();
293:                    if (uri != null) {
294:                        //    TODO    Is there a way to push this back into QName so that we can make prefix() private?
295:                        prefix = qname.prefix();
296:                    } else {
297:                        uri = qname.toString();
298:                        prefix = null;
299:                    }
300:                } else {
301:                    uri = ScriptRuntime.toString(uriValue);
302:                    prefix = (uri.length() == 0) ? "" : null;
303:                }
304:
305:                return newNamespace(prefix, uri);
306:            }
307:
308:            Namespace castToNamespace(Object namespaceObj) {
309:                if (namespaceObj instanceof  Namespace) {
310:                    return (Namespace) namespaceObj;
311:                }
312:                return constructNamespace(namespaceObj);
313:            }
314:
315:            private Namespace constructNamespace(Object prefixValue,
316:                    Object uriValue) {
317:                String prefix;
318:                String uri;
319:
320:                if (uriValue instanceof  QName) {
321:                    QName qname = (QName) uriValue;
322:                    uri = qname.uri();
323:                    if (uri == null) {
324:                        uri = qname.toString();
325:                    }
326:                } else {
327:                    uri = ScriptRuntime.toString(uriValue);
328:                }
329:
330:                if (uri.length() == 0) {
331:                    if (prefixValue == Undefined.instance) {
332:                        prefix = "";
333:                    } else {
334:                        prefix = ScriptRuntime.toString(prefixValue);
335:                        if (prefix.length() != 0) {
336:                            throw ScriptRuntime.typeError("Illegal prefix '"
337:                                    + prefix + "' for 'no namespace'.");
338:                        }
339:                    }
340:                } else if (prefixValue == Undefined.instance) {
341:                    prefix = "";
342:                } else if (!XMLName.accept(prefixValue)) {
343:                    prefix = "";
344:                } else {
345:                    prefix = ScriptRuntime.toString(prefixValue);
346:                }
347:
348:                return newNamespace(prefix, uri);
349:            }
350:
351:            private Namespace constructNamespace() {
352:                return newNamespace("", "");
353:            }
354:
355:            private Object jsConstructor(Context cx, boolean inNewExpr,
356:                    Object[] args) {
357:                if (!inNewExpr && args.length == 1) {
358:                    return castToNamespace(args[0]);
359:                }
360:
361:                if (args.length == 0) {
362:                    return constructNamespace();
363:                } else if (args.length == 1) {
364:                    return constructNamespace(args[0]);
365:                } else {
366:                    return constructNamespace(args[0], args[1]);
367:                }
368:            }
369:
370:            private String js_toSource() {
371:                StringBuffer sb = new StringBuffer();
372:                sb.append('(');
373:                toSourceImpl(ns.getPrefix(), ns.getUri(), sb);
374:                sb.append(')');
375:                return sb.toString();
376:            }
377:
378:            static void toSourceImpl(String prefix, String uri, StringBuffer sb) {
379:                sb.append("new Namespace(");
380:                if (uri.length() == 0) {
381:                    if (!"".equals(prefix))
382:                        throw new IllegalArgumentException(prefix);
383:                } else {
384:                    sb.append('\'');
385:                    if (prefix != null) {
386:                        sb.append(ScriptRuntime.escapeString(prefix, '\''));
387:                        sb.append("', '");
388:                    }
389:                    sb.append(ScriptRuntime.escapeString(uri, '\''));
390:                    sb.append('\'');
391:                }
392:                sb.append(')');
393:            }
394:        }
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