Source Code Cross Referenced for BindInfo.java in  » 6.0-JDK-Modules » jaxb-xjc » com » sun » tools » xjc » reader » xmlschema » bindinfo » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » jaxb xjc » com.sun.tools.xjc.reader.xmlschema.bindinfo 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003:         * 
004:         * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005:         * 
006:         * The contents of this file are subject to the terms of either the GNU
007:         * General Public License Version 2 only ("GPL") or the Common Development
008:         * and Distribution License("CDDL") (collectively, the "License").  You
009:         * may not use this file except in compliance with the License. You can obtain
010:         * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011:         * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
012:         * language governing permissions and limitations under the License.
013:         * 
014:         * When distributing the software, include this License Header Notice in each
015:         * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016:         * Sun designates this particular file as subject to the "Classpath" exception
017:         * as provided by Sun in the GPL Version 2 section of the License file that
018:         * accompanied this code.  If applicable, add the following below the License
019:         * Header, with the fields enclosed by brackets [] replaced by your own
020:         * identifying information: "Portions Copyrighted [year]
021:         * [name of copyright owner]"
022:         * 
023:         * Contributor(s):
024:         * 
025:         * If you wish your version of this file to be governed by only the CDDL or
026:         * only the GPL Version 2, indicate your decision by adding "[Contributor]
027:         * elects to include this software in this distribution under the [CDDL or GPL
028:         * Version 2] license."  If you don't indicate a single choice of license, a
029:         * recipient has the option to distribute your version of this file under
030:         * either the CDDL, the GPL Version 2 or to extend the choice of license to
031:         * its licensees as provided above.  However, if you add GPL Version 2 code
032:         * and therefore, elected the GPL Version 2 license, then the option applies
033:         * only if the new code is made subject to such option by the copyright
034:         * holder.
035:         */
036:        package com.sun.tools.xjc.reader.xmlschema.bindinfo;
037:
038:        import java.io.FilterWriter;
039:        import java.io.IOException;
040:        import java.io.StringWriter;
041:        import java.io.Writer;
042:        import java.util.ArrayList;
043:        import java.util.Collections;
044:        import java.util.Iterator;
045:        import java.util.List;
046:
047:        import javax.xml.bind.JAXBContext;
048:        import javax.xml.bind.JAXBException;
049:        import javax.xml.bind.annotation.XmlAnyElement;
050:        import javax.xml.bind.annotation.XmlElement;
051:        import javax.xml.bind.annotation.XmlMixed;
052:        import javax.xml.bind.annotation.XmlRootElement;
053:        import javax.xml.bind.annotation.XmlType;
054:        import javax.xml.transform.Transformer;
055:        import javax.xml.transform.TransformerException;
056:        import javax.xml.transform.dom.DOMSource;
057:        import javax.xml.transform.stream.StreamResult;
058:
059:        import com.sun.codemodel.JDocComment;
060:        import com.sun.tools.xjc.SchemaCache;
061:        import com.sun.tools.xjc.model.CCustomizations;
062:        import com.sun.tools.xjc.model.CPluginCustomization;
063:        import com.sun.tools.xjc.model.Model;
064:        import com.sun.tools.xjc.reader.Ring;
065:        import com.sun.tools.xjc.reader.xmlschema.BGMBuilder;
066:        import com.sun.xml.bind.annotation.XmlLocation;
067:        import com.sun.xml.bind.api.TypeReference;
068:        import com.sun.xml.bind.marshaller.MinimumEscapeHandler;
069:        import com.sun.xml.bind.v2.WellKnownNamespace;
070:        import com.sun.xml.bind.v2.runtime.JAXBContextImpl;
071:        import com.sun.xml.xsom.XSComponent;
072:
073:        import org.w3c.dom.Element;
074:        import org.xml.sax.Locator;
075:
076:        /**
077:         * Container for customization declarations.
078:         *
079:         * We use JAXB ourselves and parse this object from "xs:annotation".
080:         *
081:         * @author
082:         *     Kohsuke Kawaguchi (kohsuke,kawaguchi@sun.com)
083:         */
084:        @XmlRootElement(namespace=WellKnownNamespace.XML_SCHEMA,name="annotation")
085:        @XmlType(namespace=WellKnownNamespace.XML_SCHEMA,name="foobar")
086:        public final class BindInfo implements  Iterable<BIDeclaration> {
087:
088:            private BGMBuilder builder;
089:
090:            @XmlLocation
091:            private Locator location;
092:
093:            /**
094:             * Documentation taken from &lt;xs:documentation>s. 
095:             */
096:            @XmlElement(namespace=WellKnownNamespace.XML_SCHEMA)
097:            private Documentation documentation;
098:
099:            /**
100:             * Returns true if this {@link BindInfo} doesn't contain any useful
101:             * information.
102:             *
103:             * This flag is used to discard unused {@link BindInfo}s early to save memory footprint.
104:             */
105:            public boolean isPointless() {
106:                if (size() > 0)
107:                    return false;
108:                if (documentation != null && !documentation.contents.isEmpty())
109:                    return false;
110:
111:                return true;
112:            }
113:
114:            private static final class Documentation {
115:                @XmlAnyElement
116:                @XmlMixed
117:                List<Object> contents = new ArrayList<Object>();
118:
119:                void addAll(Documentation rhs) {
120:                    if (rhs == null)
121:                        return;
122:
123:                    if (contents == null)
124:                        contents = new ArrayList<Object>();
125:                    if (!contents.isEmpty())
126:                        contents.add("\n\n");
127:                    contents.addAll(rhs.contents);
128:                }
129:            }
130:
131:            /** list of individual declarations. */
132:            private final List<BIDeclaration> decls = new ArrayList<BIDeclaration>();
133:
134:            private static final class AppInfo {
135:                /**
136:                 * Receives {@link BIDeclaration}s and other DOMs.
137:                 */
138:                @XmlAnyElement(lax=true,value=DomHandlerEx.class)
139:                List<Object> contents = new ArrayList<Object>();
140:
141:                public void addTo(BindInfo bi) {
142:                    if (contents == null)
143:                        return;
144:
145:                    for (Object o : contents) {
146:                        if (o instanceof  BIDeclaration)
147:                            bi.addDecl((BIDeclaration) o);
148:                        // this is really PITA! I can't get the source location
149:                        if (o instanceof  DomHandlerEx.DomAndLocation) {
150:                            DomHandlerEx.DomAndLocation e = (DomHandlerEx.DomAndLocation) o;
151:                            String nsUri = e.element.getNamespaceURI();
152:                            if (nsUri == null
153:                                    || nsUri.equals("")
154:                                    || nsUri
155:                                            .equals(WellKnownNamespace.XML_SCHEMA))
156:                                continue; // this is definitely not a customization
157:                            bi.addDecl(new BIXPluginCustomization(e.element,
158:                                    e.loc));
159:                        }
160:                    }
161:                }
162:            }
163:
164:            // only used by JAXB
165:            @XmlElement(namespace=WellKnownNamespace.XML_SCHEMA)
166:            void setAppinfo(AppInfo aib) {
167:                aib.addTo(this );
168:            }
169:
170:            /**
171:             * Gets the location of this annotation in the source file.
172:             * 
173:             * @return
174:             *      If the declarations are in fact specified in the source
175:             *      code, a non-null valid object will be returned.
176:             *      If this BindInfo is generated internally by XJC, then
177:             *      null will be returned.
178:             */
179:            public Locator getSourceLocation() {
180:                return location;
181:            }
182:
183:            private XSComponent owner;
184:
185:            /**
186:             * Sets the owner schema component and a reference to BGMBuilder.
187:             * This method is called from the BGMBuilder before
188:             * any BIDeclaration inside it is used.
189:             */
190:            public void setOwner(BGMBuilder _builder, XSComponent _owner) {
191:                this .owner = _owner;
192:                this .builder = _builder;
193:                for (BIDeclaration d : decls)
194:                    d.onSetOwner();
195:            }
196:
197:            public XSComponent getOwner() {
198:                return owner;
199:            }
200:
201:            /**
202:             * Back pointer to the BGMBuilder which is building
203:             * a BGM from schema components including this customization.
204:             */
205:            public BGMBuilder getBuilder() {
206:                return builder;
207:            }
208:
209:            /** Adds a new declaration. */
210:            public void addDecl(BIDeclaration decl) {
211:                if (decl == null)
212:                    throw new IllegalArgumentException();
213:                decl.setParent(this );
214:                decls.add(decl);
215:            }
216:
217:            /**
218:             * Gets the first declaration with a given name, or null
219:             * if none is found.
220:             */
221:            public <T extends BIDeclaration> T get(Class<T> kind) {
222:                for (BIDeclaration decl : decls) {
223:                    if (kind.isInstance(decl))
224:                        return kind.cast(decl);
225:                }
226:                return null; // not found
227:            }
228:
229:            /**
230:             * Gets all the declarations
231:             */
232:            public BIDeclaration[] getDecls() {
233:                return decls.toArray(new BIDeclaration[decls.size()]);
234:            }
235:
236:            /**
237:             * Gets the documentation parsed from &lt;xs:documentation>s.
238:             * The returned collection is to be added to {@link JDocComment#append(Object)}.
239:             * @return  maybe null.
240:             */
241:            public String getDocumentation() {
242:                // TODO: FIXME: correctly turn individual items to String including DOM
243:                if (documentation == null || documentation.contents == null)
244:                    return null;
245:
246:                StringBuilder buf = new StringBuilder();
247:                for (Object c : documentation.contents) {
248:                    if (c instanceof  String) {
249:                        buf.append(c.toString());
250:                    }
251:                    if (c instanceof  Element) {
252:                        Transformer t = builder.getIdentityTransformer();
253:                        StringWriter w = new StringWriter();
254:                        try {
255:                            Writer fw = new FilterWriter(w) {
256:                                char[] buf = new char[1];
257:
258:                                public void write(int c) throws IOException {
259:                                    buf[0] = (char) c;
260:                                    write(buf, 0, 1);
261:                                }
262:
263:                                public void write(char[] cbuf, int off, int len)
264:                                        throws IOException {
265:                                    MinimumEscapeHandler.theInstance.escape(
266:                                            cbuf, off, len, false, out);
267:                                }
268:
269:                                public void write(String str, int off, int len)
270:                                        throws IOException {
271:                                    write(str.toCharArray(), off, len);
272:                                }
273:                            };
274:                            t.transform(new DOMSource((Element) c),
275:                                    new StreamResult(fw));
276:                        } catch (TransformerException e) {
277:                            throw new Error(e); // impossible
278:                        }
279:                        buf.append("\n<pre>\n");
280:                        buf.append(w);
281:                        buf.append("\n</pre>\n");
282:                    }
283:                }
284:                return buf.toString();
285:            }
286:
287:            /**
288:             * Merges all the declarations inside the given BindInfo
289:             * to this BindInfo.
290:             */
291:            public void absorb(BindInfo bi) {
292:                for (BIDeclaration d : bi)
293:                    d.setParent(this );
294:                this .decls.addAll(bi.decls);
295:
296:                if (this .documentation == null)
297:                    this .documentation = bi.documentation;
298:                else
299:                    this .documentation.addAll(bi.documentation);
300:            }
301:
302:            /** Gets the number of declarations. */
303:            public int size() {
304:                return decls.size();
305:            }
306:
307:            public BIDeclaration get(int idx) {
308:                return decls.get(idx);
309:            }
310:
311:            public Iterator<BIDeclaration> iterator() {
312:                return decls.iterator();
313:            }
314:
315:            /**
316:             * Gets the list of {@link CPluginCustomization}s from this.
317:             *
318:             * <p>
319:             * Note that calling this method marks all those plug-in customizations
320:             * as 'used'. So call it only when it's really necessary.
321:             */
322:            public CCustomizations toCustomizationList() {
323:                CCustomizations r = null;
324:                for (BIDeclaration d : this ) {
325:                    if (d instanceof  BIXPluginCustomization) {
326:                        BIXPluginCustomization pc = (BIXPluginCustomization) d;
327:                        pc.markAsAcknowledged();
328:                        if (!Ring.get(Model.class).options.pluginURIs
329:                                .contains(pc.getName().getNamespaceURI()))
330:                            continue; // this isn't a plugin customization
331:                        if (r == null)
332:                            r = new CCustomizations();
333:                        r.add(new CPluginCustomization(pc.element, pc
334:                                .getLocation()));
335:                    }
336:                }
337:
338:                if (r == null)
339:                    r = CCustomizations.EMPTY;
340:                return new CCustomizations(r);
341:            }
342:
343:            /** An instance with the empty contents. */
344:            public final static BindInfo empty = new BindInfo();
345:
346:            /**
347:             * Lazily prepared {@link JAXBContext}.
348:             */
349:            private static JAXBContextImpl customizationContext;
350:
351:            public static JAXBContextImpl getJAXBContext() {
352:                synchronized (AnnotationParserFactoryImpl.class) {
353:                    try {
354:                        if (customizationContext == null)
355:                            customizationContext = new JAXBContextImpl(
356:                                    new Class[] {
357:                                            BindInfo.class, // for xs:annotation
358:                                            BIClass.class,
359:                                            BIConversion.User.class,
360:                                            BIConversion.UserAdapter.class,
361:                                            BIDom.class, BIFactoryMethod.class,
362:                                            BIInlineBinaryData.class,
363:                                            BIXDom.class,
364:                                            BIXSubstitutable.class,
365:                                            BIEnum.class, BIEnumMember.class,
366:                                            BIGlobalBinding.class,
367:                                            BIProperty.class,
368:                                            BISchemaBinding.class },
369:                                    Collections.<TypeReference> emptyList(),
370:                                    Collections.<Class, Class> emptyMap(),
371:                                    null, false, null, false, false);
372:                        return customizationContext;
373:                    } catch (JAXBException e) {
374:                        throw new AssertionError(e);
375:                    }
376:                }
377:            }
378:
379:            /**
380:             * Lazily parsed schema for the binding file.
381:             */
382:            public static final SchemaCache bindingFileSchema = new SchemaCache(
383:                    BindInfo.class.getResource("binding.xsd"));
384:        }
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