Source Code Cross Referenced for GlobalReferenceImpl.java in  » IDE-Netbeans » xml » org » netbeans » modules » xslt » model » impl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » xml » org.netbeans.modules.xslt.model.impl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * The contents of this file are subject to the terms of the Common Development
003:         * and Distribution License (the License). You may not use this file except in
004:         * compliance with the License.
005:         * 
006:         * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
007:         * or http://www.netbeans.org/cddl.txt.
008:         * 
009:         * When distributing Covered Code, include this CDDL Header Notice in each file
010:         * and include the License file at http://www.netbeans.org/cddl.txt.
011:         * If applicable, add the following below the CDDL Header, with the fields
012:         * enclosed by brackets [] replaced by your own identifying information:
013:         * "Portions Copyrighted [year] [name of copyright owner]"
014:         * 
015:         * The Original Software is NetBeans. The Initial Developer of the Original
016:         * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
017:         * Microsystems, Inc. All Rights Reserved.
018:         */
019:        package org.netbeans.modules.xslt.model.impl;
020:
021:        import java.util.LinkedHashSet;
022:        import java.util.List;
023:
024:        import javax.xml.namespace.QName;
025:
026:        import org.netbeans.modules.xml.xam.AbstractReference;
027:        import org.netbeans.modules.xml.xam.Model;
028:        import org.netbeans.modules.xslt.model.QualifiedNameable;
029:        import org.netbeans.modules.xslt.model.ReferenceableXslComponent;
030:        import org.netbeans.modules.xslt.model.Stylesheet;
031:        import org.netbeans.modules.xslt.model.XslModel;
032:        import org.netbeans.modules.xslt.model.XslReference;
033:
034:        /**
035:         * 
036:         * @author ads
037:         *
038:         */
039:        class GlobalReferenceImpl<T extends QualifiedNameable> extends
040:                AbstractReference<T> implements  XslReference<T> {
041:
042:            // used by XslComponentImpl#createReferenceTo method
043:            GlobalReferenceImpl(T referenced, Class<T> referencedType,
044:                    XslComponentImpl parent) {
045:                super (referenced, referencedType, parent);
046:            }
047:
048:            // used by resolve method
049:            GlobalReferenceImpl(Class<T> referencedType,
050:                    XslComponentImpl parent, String ref) {
051:                super (referencedType, parent, ref);
052:                initReferenceString(ref);
053:            }
054:
055:            /* (non-Javadoc)
056:             * @see org.netbeans.modules.xml.xam.Reference#get()
057:             */
058:            public T get() {
059:                if (getReferenced() == null) {
060:                    setReferenced(find());
061:                }
062:                return super .getReferenced();
063:            }
064:
065:            @Override
066:            public String getRefString() {
067:                if (refString == null) {
068:                    T referenced = super .getReferenced();
069:                    assert referenced != null;
070:                    myQname = referenced.getName();
071:                    if (myQname != null) {
072:                        String result;
073:                        myPrefix = myQname.getPrefix();
074:                        myLocalPart = myQname.getLocalPart();
075:                        if (myPrefix == null || myPrefix.length() == 0) {
076:                            result = myLocalPart;
077:                        } else {
078:                            result = myPrefix + ":" + myLocalPart;
079:                        }
080:
081:                        if (getParent().isInDocumentModel()) {
082:                            refString = result;
083:                        } else {
084:                            return result;
085:                        }
086:                    }
087:                }
088:                return super .getRefString();
089:            }
090:
091:            /* (non-Javadoc)
092:             * @see org.netbeans.modules.xslt.model.XslReference#getQName()
093:             */
094:            public QName getQName() {
095:                checkParentNotRemovedFromModel();
096:                if (myQname == null) {
097:                    T referenced = super .getReferenced();
098:                    myQname = referenced.getName();
099:                }
100:                return myQname;
101:            }
102:
103:            @Override
104:            public boolean equals(Object obj) {
105:                if (this  == obj) {
106:                    return true;
107:                } else if (!(obj instanceof  GlobalReferenceImpl)) {
108:                    return false;
109:                } else {
110:                    GlobalReferenceImpl<? extends ReferenceableXslComponent> ref = (GlobalReferenceImpl<? extends ReferenceableXslComponent>) obj;
111:                    return getParent().equals(ref.getParent())
112:                            && getQName().equals(ref.getQName());
113:                }
114:            }
115:
116:            @Override
117:            public int hashCode() {
118:                return getParent().hashCode();
119:            }
120:
121:            @Override
122:            public XslComponentImpl getParent() {
123:                return (XslComponentImpl) super .getParent();
124:            }
125:
126:            @Override
127:            public boolean references(T target) {
128:                if (target instanceof  QualifiedNameable) {
129:                    QualifiedNameable nameble = (QualifiedNameable) target;
130:                    return nameble.getName() != null
131:                            && nameble.getName().equals(getQName())
132:                            && !isBroken() && get() == target;
133:                }
134:                return super .references(target);
135:            }
136:
137:            public void refresh() {
138:                getRefString();
139:                setReferenced(null);
140:            }
141:
142:            protected T getReferenced() {
143:                if (super .getReferenced() == null) {
144:                    checkParentPartOfModel();
145:                } else {
146:                    if (super .getParent().getModel() == null) {
147:                        throw new IllegalStateException(
148:                                "Referencing component has been removed from model."); //NOI18N
149:                    }
150:                    if (super .getReferenced().getModel() == null) {
151:                        throw new IllegalStateException(
152:                                "Referenced component has been removed from model."); //NOI18N
153:                    }
154:                }
155:                return super .getReferenced();
156:            }
157:
158:            /**
159:             * @exception IllegalStateException if parent is already removed from a model.
160:             */
161:            protected void checkParentNotRemovedFromModel() {
162:                if (getParent().getModel() == null) {
163:                    throw new IllegalStateException(
164:                            "Referencing component has been removed from model."); // NOI18N
165:                }
166:            }
167:
168:            /**
169:             * @exception IllegalStateException if parent is not part of a model.
170:             */
171:            protected void checkParentPartOfModel() {
172:                if (!getParent().isInDocumentModel()) {
173:                    throw new IllegalStateException(
174:                            "Referencing component is not part of model."); //NOI18N
175:                }
176:            }
177:
178:            /**
179:             * Calculate the QName based on the local information
180:             * without loading the referenced object.
181:             */
182:            protected QName calculateQNameLocally() {
183:                String prefix = getPrefix();
184:                String localPart = getLocalPart();
185:                String namespace = null;
186:                namespace = getParent().lookupNamespaceURI(prefix);
187:                if (namespace == null) {
188:                    // prefix part is namespace name, which could be the namespace uri
189:                    // itself
190:                    String temp = getParent().lookupPrefix(prefix);
191:                    if (temp != null) {
192:                        prefix = temp;
193:                        namespace = prefix;
194:                    }
195:                }
196:
197:                if (prefix == null) {
198:                    return new QName(namespace, localPart);
199:                } else {
200:                    return new QName(namespace, localPart, prefix);
201:                }
202:            }
203:
204:            private String getLocalPart() {
205:                if (myLocalPart == null) {
206:                    String ref = getRefString();
207:                    if (ref == null) {
208:                        return null;
209:                    }
210:                    String[] parts = ref.split(":"); //NOI18N
211:                    if (parts.length == 2) {
212:                        return parts[1];
213:                    } else {
214:                        return parts[0];
215:                    }
216:                } else {
217:                    return myLocalPart;
218:                }
219:            }
220:
221:            private String getPrefix() {
222:                if (myPrefix == null) {
223:                    String ref = getRefString();
224:                    if (ref == null) {
225:                        return null;
226:                    }
227:                    String[] parts = ref.split(":"); //NOI18N
228:                    if (parts.length == 2) {
229:                        return parts[0];
230:                    } else {
231:                        return null;
232:                    }
233:                } else {
234:                    return myPrefix;
235:                }
236:            }
237:
238:            private void initReferenceString(String ref) {
239:                assert ref != null;
240:                refString = ref;
241:                String[] parts = refString.split(":"); //NOI18N
242:                if (parts.length == 2) {
243:                    myPrefix = parts[0];
244:                    myLocalPart = parts[1];
245:                } else {
246:                    myPrefix = null;
247:                    myLocalPart = parts[0];
248:                }
249:            }
250:
251:            private T find() {
252:                LinkedHashSet<XslModel> list = Utilities
253:                        .getAvailibleModels(getParent().getModel());
254:                for (XslModel model : list) {
255:                    if (Model.State.VALID.equals(model.getState())) {
256:                        Stylesheet stylesheet = model.getStylesheet();
257:                        if (stylesheet == null) {
258:                            continue;
259:                        }
260:                        List<T> children = stylesheet.getChildren(getType());
261:                        T result = find(children);
262:                        if (result != null) {
263:                            return result;
264:                        }
265:                    }
266:                }
267:                return null;
268:            }
269:
270:            private T find(List<T> children) {
271:                for (T t : children) {
272:                    QName name = t.getName();
273:                    if (name == null) {
274:                        continue;
275:                    }
276:                    String localPart = name.getLocalPart();
277:                    String ns = name.getNamespaceURI();
278:                    if (getLocalPart().equals(localPart)
279:                            && Utilities.equals(getQName().getNamespaceURI(),
280:                                    ns)) {
281:                        return t;
282:                    }
283:                }
284:                return null;
285:            }
286:
287:            private QName myQname;
288:
289:            private String myPrefix;
290:
291:            private String myLocalPart;
292:
293:        }
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