Source Code Cross Referenced for ModelManager.java in  » XML-UI » xui32 » com » xoetrope » carousel » services » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » XML UI » xui32 » com.xoetrope.carousel.services 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package com.xoetrope.carousel.services;
002:
003:        import java.io.BufferedReader;
004:        import java.io.File;
005:        import java.io.FileInputStream;
006:        import java.io.FileOutputStream;
007:        import java.io.IOException;
008:        import java.io.Reader;
009:        import java.util.Enumeration;
010:        import java.util.Hashtable;
011:        import java.util.Properties;
012:        import java.util.Vector;
013:
014:        import javax.swing.tree.DefaultMutableTreeNode;
015:
016:        import net.xoetrope.editor.project.XEditorProject;
017:        import net.xoetrope.data.XDataSource;
018:        import net.xoetrope.debug.DebugLogger;
019:        import net.xoetrope.editor.project.XEditorProjectProperty;
020:        import net.xoetrope.optional.data.XOptionalDataSource;
021:        import net.xoetrope.xml.XmlElement;
022:        import net.xoetrope.xml.XmlParserFactory;
023:        import net.xoetrope.xml.XmlSource;
024:        import net.xoetrope.xml.XmlWriter;
025:        import net.xoetrope.xml.jaxp.JaxpDocumentFactory;
026:        import net.xoetrope.xml.jaxp.JaxpXmlElement;
027:        import net.xoetrope.xml.nanoxml.NanoXmlElement;
028:        import net.xoetrope.xui.XProject;
029:        import net.xoetrope.xui.XProjectManager;
030:        import net.xoetrope.xui.build.BuildProperties;
031:        import net.xoetrope.xui.data.XBaseModel;
032:        import net.xoetrope.xui.data.XModel;
033:        import net.xoetrope.xui.helper.Constants;
034:
035:        /**
036:         * <p> Copyright (c) Xoetrope Ltd., 2001-2006, This software is licensed under
037:         * the GNU Public License (GPL), please see license.txt for more details. If
038:         * you make commercial use of this software you must purchase a commercial
039:         * license from Xoetrope.</p>
040:         * <p> $Revision: 1.7 $</p>
041:         */
042:        public class ModelManager extends XOptionalDataSource {
043:            private Hashtable dataSources;
044:            //private static ModelManager instance;
045:            private static String modelFilename;
046:            private String tableFileName;
047:            private String routingFilename;
048:            private String saveConfigFilename;
049:            private Hashtable databaseNodes;
050:            private Properties saveCfgProps;
051:
052:            public ModelManager(XEditorProject project) {
053:                super (project);
054:                dataSources = new Hashtable();
055:                databaseNodes = new Hashtable();
056:
057:                //RouteManager.setupRouteManager( currentProject );
058:                saveConfigFilename = currentProject
059:                        .getStartupParam("SaveConfigFile");
060:                openSaveCfgProps();
061:            }
062:
063:            private void openSaveCfgProps() {
064:                String path = ((XEditorProject) currentProject).getPath()
065:                        + File.separator + "resources" + File.separator
066:                        + getSaveConfigFilename();
067:                try {
068:                    File file = new File(path);
069:                    if (file.exists()) {
070:                        saveCfgProps = new Properties();
071:                        FileInputStream fis = new FileInputStream(path);
072:                        saveCfgProps.load(fis);
073:                    }
074:                } catch (Exception ex) {
075:                    ex.printStackTrace();
076:                }
077:            }
078:
079:            public Properties getSaveCfgProps() {
080:                return saveCfgProps;
081:            }
082:
083:            protected void addStaticDataSource(String name, String fileName) {
084:                NanoXmlElement ele = new NanoXmlElement(Constants.DATASOURCE);
085:                ele.setAttribute("name", name);
086:                ele.setAttribute("filename", fileName);
087:                dataSources.put(name, ele);
088:            }
089:
090:            protected void addDatabaseDataSource(String name, String fileName) {
091:                NanoXmlElement ele = new NanoXmlElement(Constants.DATASOURCE);
092:                ele.setAttribute("name", name);
093:                ele.setAttribute("filename", fileName);
094:                ele.setAttribute("type", "database");
095:                dataSources.put(name, ele);
096:            }
097:
098:            /**
099:             * Read a model from the Reader
100:             * @param r the Reader
101:             */
102:            public void read(Reader r) {
103:                super .read(r);
104:            }
105:
106:            /**
107:             * If the ShowVisualiser property is set to true then show the visualiser
108:             * for debugging
109:             */
110:            protected void showVisualisation() {
111:            }
112:
113:            /**
114:             * Register a basic datasource element
115:             * @param source the XmlElement containg the datasouce reference
116:             */
117:            public void registerDataSource(XmlElement source) {
118:                dataSources.put(source.getAttribute("name"), source);
119:            }
120:
121:            /**
122:             * Register a datasource element of type 'database'
123:             * @param source the XmlElement containg the datasouce reference
124:             */
125:            public void registerDatabaseNode(XmlElement source) {
126:                databaseNodes.put(source.getAttribute("name"), source);
127:            }
128:
129:            /**
130:             * Initialise and retrieve the Singleton instance
131:             * @return the ModelManager Singleton instance
132:             */
133:            /*public static ModelManager getInstance()
134:            {
135:              if ( instance == null ) {
136:                instance = new ModelManager();
137:                instance.readXmlFile();
138:              }
139:              return instance;
140:            }*/
141:
142:            /**
143:             * Retrieve the dataSources Hashtable
144:             * @return Hashtable containing registered datasources
145:             */
146:            public Hashtable getDataSources() {
147:                return dataSources;
148:            }
149:
150:            /**
151:             * Reset the project model and load the datasets as defined by the file named
152:             * by the 'ModelData' startup property
153:             */
154:            public void readXmlFile() {
155:                currentProject.getModel().reset(currentProject);
156:                XModel root = currentProject.getModel();
157:
158:                XDataSource modelDataSource;
159:                boolean sourceExists = false;
160:
161:                try {
162:                    modelFilename = currentProject.getStartupParam("ModelData");
163:                    if (modelFilename != null) {
164:                        sourceExists = false;
165:                        File source = null;
166:                        if (sourceExists) {
167:                            read(currentProject.getBufferedReader(source,
168:                                    "UTF8"));
169:                        } else {
170:                            try {
171:                                read(currentProject.getBufferedReader(
172:                                        modelFilename, "UTF8"));
173:                            } catch (Exception ex3) {
174:                                if (BuildProperties.DEBUG)
175:                                    DebugLogger
176:                                            .logError("Could not access file:"
177:                                                    + modelFilename);
178:                            }
179:                        }
180:                    }
181:                } catch (Exception ex) {
182:                    if (BuildProperties.DEBUG)
183:                        DebugLogger.logError("Exception in setContent");
184:                }
185:                loadProjectDataSources();
186:            }
187:
188:            /**
189:             * Reset the current project model and load the datasets as defined by the
190:             * file named by the 'ModelData' startup property
191:             */
192:            private void loadProjectDataSources() {
193:                String projectFile = ((XEditorProject) currentProject)
194:                        .getStartupFilePath();
195:                try {
196:                    BufferedReader br = currentProject.getBufferedReader(
197:                            projectFile, "UTF8");
198:                    XmlElement src = XmlSource.read(br);
199:                    XmlElement xlibEle = src.getFirstChildNamed("XLib");
200:                    if (xlibEle != null) {
201:                        XmlElement eleDatasources = xlibEle
202:                                .getFirstChildNamed("DataSources");
203:                        if (eleDatasources != null) {
204:                            Vector vDataSource = eleDatasources
205:                                    .getChildren("DataSource");
206:                            for (int i = 0; i < vDataSource.size(); i++) {
207:                                XmlElement eleDS = (XmlElement) vDataSource
208:                                        .get(i);
209:
210:                                Reader sr = currentProject.getBufferedReader(
211:                                        eleDS.getAttribute("filename"), "UTF8");
212:                                XmlElement dataSrc = XmlSource.read(sr);
213:
214:                                String type = eleDS.getAttribute("type");
215:                                if (type == null || type.compareTo("") == 0)
216:                                    loadTable(dataSrc, currentProject
217:                                            .getModel());
218:
219:                                eleDS.setAttribute("deploy", "false");
220:                                registerDataSource(eleDS);
221:                            }
222:                        }
223:                    }
224:                    br.close();
225:                } catch (Exception ex) {
226:                    ex.printStackTrace();
227:                }
228:            }
229:
230:            public DefaultMutableTreeNode createTreeNodes(XModel model,
231:                    DefaultMutableTreeNode topNode, String selected) {
232:                DefaultMutableTreeNode selectedNode = null;
233:                for (int i = 0; i < model.getNumChildren(); i++) {
234:                    DefaultMutableTreeNode tempNode = addNode(model.get(i),
235:                            topNode, selected);
236:                    if (tempNode != null)
237:                        selectedNode = tempNode;
238:                }
239:                return selectedNode;
240:            }
241:
242:            DefaultMutableTreeNode addNode(XModel model,
243:                    DefaultMutableTreeNode parentNode, String selected) {
244:                DefaultMutableTreeNode selectedNode = null;
245:                DefaultMutableTreeNode root = null;
246:                String text;
247:                if ((model.getTagName() != null)
248:                        && ((model.getTagName().compareTo("item") == 0) || (model
249:                                .getTagName().compareTo("td") == 0)))
250:                    text = model.getId() + ":" + model.get();
251:                else {
252:                    text = model.getId();
253:
254:                    root = new DefaultMutableTreeNode(text);
255:                    parentNode.add(root);
256:                    String path = getNodePath(root);
257:                    if ((selected != null) && (path.compareTo(selected) == 0)) {
258:                        selectedNode = root;
259:                    }
260:                    for (int i = 0; i < model.getNumChildren(); i++) {
261:                        DefaultMutableTreeNode tempnode = addNode(model.get(i),
262:                                root, selected);
263:                        if (tempnode != null)
264:                            selectedNode = tempnode;
265:                    }
266:                }
267:                return selectedNode;
268:            }
269:
270:            private String getNodePath(DefaultMutableTreeNode node) {
271:                String modelName = null;
272:                Object path[] = node.getPath();
273:
274:                modelName = "";
275:                for (int i = 1; i < path.length; i++) {
276:                    modelName += "/" + path[i].toString();
277:                }
278:                return modelName.substring(1);
279:            }
280:
281:            XModel loadStaticData(String fileName) {
282:                XModel model = new XBaseModel();
283:                Reader sr = null;
284:                try {
285:                    sr = currentProject.getBufferedReader(fileName, "UTF8");
286:                    XmlElement src = XmlSource.read(sr);
287:                    loadTable(src, model);
288:                    sr.close();
289:                } catch (Exception ex) {
290:                    ex.printStackTrace();
291:                }
292:                return model;
293:            }
294:
295:            XModel loadDatabaseData(String fileName) {
296:                XModel model = new XBaseModel();
297:                Reader sr = null;
298:                try {
299:                    sr = currentProject.getBufferedReader(fileName, "UTF8");
300:                    XmlElement src = XmlSource.read(sr);
301:                } catch (Exception ex) {
302:                    ex.printStackTrace();
303:                }
304:                return model;
305:            }
306:
307:            void setFileName(String fileName) {
308:                modelFilename = fileName;
309:            }
310:
311:            String getFileName() {
312:                return modelFilename;
313:            }
314:
315:            void writeDatasets(XEditorProject project) {
316:                try {
317:                    Enumeration e = dataSources.elements();
318:                    JaxpXmlElement eleroot = JaxpDocumentFactory
319:                            .createDocument("DataSources");
320:
321:                    while (e.hasMoreElements()) {
322:                        XmlElement ele = (XmlElement) e.nextElement();
323:                        if (ele.getAttribute("deploy").compareTo("false") != 0) {
324:                            XmlElement elenew = eleroot.createElement(ele
325:                                    .getName());
326:                            Enumeration attribs = ele.enumerateAttributeNames();
327:                            while (attribs.hasMoreElements()) {
328:                                String attName = (String) attribs.nextElement();
329:                                elenew.setAttribute(attName, ele
330:                                        .getAttribute(attName));
331:                            }
332:                        }
333:                    }
334:
335:                    FileOutputStream fos = new FileOutputStream(project
336:                            .getPath()
337:                            + File.separatorChar
338:                            + "resources"
339:                            + File.separatorChar + modelFilename);
340:                    XmlWriter writer = XmlParserFactory.getInstance()
341:                            .getWriter(fos);
342:                    writer.write(eleroot, true, 4);
343:                    fos.flush();
344:                    fos.close();
345:                } catch (IOException ex) {
346:                    ex.printStackTrace();
347:                }
348:            }
349:
350:            void writeDatabaseDatasets(XEditorProject project) {
351:                try {
352:                    Enumeration e = databaseNodes.elements();
353:                    NanoXmlElement eleroot = new NanoXmlElement("DataSources");
354:                    while (e.hasMoreElements()) {
355:                        XmlElement ele = (XmlElement) e.nextElement();
356:                        eleroot.addChild(ele);
357:                    }
358:                    XmlElement tableNode = (XmlElement) dataSources
359:                            .get("Tables");
360:                    if (tableNode != null) {
361:                        String filename = project.getPath() + File.separator
362:                                + "resources" + File.separator
363:                                + tableNode.getAttribute("filename");
364:                        FileOutputStream fos = new FileOutputStream(filename);
365:                        XmlWriter writer = XmlParserFactory.getInstance()
366:                                .getWriter(fos);
367:                        writer.write(eleroot, true, 4);
368:                        fos.flush();
369:                        fos.close();
370:                    }
371:                } catch (Exception e) {
372:                    e.printStackTrace();
373:                }
374:            }
375:
376:            void writeSaveConfig(XEditorProject project) {
377:                if (saveCfgProps != null) {
378:                    String path = project.getPath() + File.separator
379:                            + "resources" + File.separator
380:                            + getSaveConfigFilename();
381:                    try {
382:                        FileOutputStream fos = new FileOutputStream(path);
383:                        saveCfgProps.store(fos, "XLib save config");
384:                    } catch (Exception ex) {
385:                        ex.printStackTrace();
386:                    }
387:                }
388:
389:            }
390:
391:            String getDataSourceAttrib(String datasrc, String attrib) {
392:                XmlElement ele = (XmlElement) dataSources.get(datasrc);
393:                return ele.getAttribute(attrib);
394:            }
395:
396:            String getRoutingFileName() {
397:                return (String) ((XEditorProjectProperty) currentProject
398:                        .getObject(Constants.ROUTES)).property;
399:            }
400:
401:            public String getServicesFileName() {
402:                XmlElement ele = (XmlElement) dataSources
403:                        .get(Constants.SERVICES);
404:                if (ele != null)
405:                    return ele.getAttribute("filename");
406:                else
407:                    return null;
408:            }
409:
410:            void setRoutingFileName(String filename) {
411:                routingFilename = filename;
412:                NanoXmlElement ele = (NanoXmlElement) dataSources
413:                        .remove(Constants.ROUTES);
414:                if (ele == null) {
415:                    ele = new NanoXmlElement("DataSource");
416:                    ele.setAttribute("name", Constants.ROUTES);
417:                    ele.setAttribute("type", "routing");
418:                }
419:                ele.setAttribute("filename", filename);
420:                dataSources.put(Constants.ROUTES, ele);
421:            }
422:
423:            void setSaveConfigFilename(String file) {
424:                saveConfigFilename = file;
425:            }
426:
427:            public String getSaveConfigFilename() {
428:                return saveConfigFilename;
429:            }
430:
431:            void addDatabaseNode(XmlElement ele) {
432:                databaseNodes.put(ele.getAttribute("name"), ele);
433:            }
434:
435:            public Hashtable getDatabaseNodes() {
436:                return databaseNodes;
437:            }
438:
439:            public void save() {
440:            }
441:        }
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