Source Code Cross Referenced for WebServiceImpl.java in  » ERP-CRM-Financial » sakai » org » sakaiproject » web » impl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » ERP CRM Financial » sakai » org.sakaiproject.web.impl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**********************************************************************************
002:         * $URL: https://source.sakaiproject.org/svn/web/trunk/web-impl/impl/src/java/org/sakaiproject/web/impl/WebServiceImpl.java$
003:         * $Id: WebServiceImpl.java 9227 2006-06-22 02:02:42Z cwen@iupui.edu $
004:         ***********************************************************************************
005:         *
006:         * Copyright (c) 2003, 2004, 2005, 2006 The Sakai Foundation.
007:         * 
008:         * Licensed under the Educational Community License, Version 1.0 (the "License"); 
009:         * you may not use this file except in compliance with the License. 
010:         * You may obtain a copy of the License at
011:         * 
012:         *      http://www.opensource.org/licenses/ecl1.php
013:         * 
014:         * Unless required by applicable law or agreed to in writing, software 
015:         * distributed under the License is distributed on an "AS IS" BASIS, 
016:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
017:         * See the License for the specific language governing permissions and 
018:         * limitations under the License.
019:         *
020:         **********************************************************************************/package org.sakaiproject.web.impl;
021:
022:        import java.util.Collection;
023:        import java.util.Iterator;
024:        import java.util.List;
025:        import java.util.Map;
026:        import java.util.Set;
027:        import java.util.Stack;
028:        import java.util.Vector;
029:
030:        import org.apache.commons.codec.binary.Base64;
031:        import org.apache.commons.logging.Log;
032:        import org.apache.commons.logging.LogFactory;
033:        import org.sakaiproject.entity.api.Entity;
034:        import org.sakaiproject.entity.api.EntityTransferrer;
035:        import org.sakaiproject.entity.api.HttpAccess;
036:        import org.sakaiproject.entity.api.Reference;
037:        import org.sakaiproject.entity.api.ResourceProperties;
038:        import org.sakaiproject.entity.cover.EntityManager;
039:        import org.sakaiproject.exception.IdUnusedException;
040:        import org.sakaiproject.site.api.Site;
041:        import org.sakaiproject.site.api.SitePage;
042:        import org.sakaiproject.site.api.ToolConfiguration;
043:        import org.sakaiproject.tool.api.Tool;
044:        import org.sakaiproject.tool.api.ToolSession;
045:        import org.sakaiproject.tool.cover.SessionManager;
046:        import org.sakaiproject.tool.cover.ToolManager;
047:        import org.sakaiproject.site.cover.SiteService;
048:        import org.sakaiproject.web.api.WebService;
049:        import org.w3c.dom.DOMException;
050:        import org.w3c.dom.Document;
051:        import org.w3c.dom.Element;
052:        import org.w3c.dom.Node;
053:        import org.w3c.dom.NodeList;
054:
055:        public class WebServiceImpl implements  WebService, EntityTransferrer {
056:
057:            private static Log M_log = LogFactory.getLog(WebServiceImpl.class);
058:
059:            private static final String TOOL_ID = "sakai.iframe";
060:
061:            private static final String WEB_CONTENT = "web_content";
062:            private static final String REDIRECT_TAB = "redirect_tab";
063:            private static final String WEB_CONTENT_TITLE = "title";
064:            private static final String WEB_CONTENT_URL = "url";
065:            private static final String PAGE_TITLE = "page_title";
066:            private static final String NEW_WINDOW = "open_in_new_window";
067:            private static final String ARCHIVE_VERSION = "2.4"; // in case new features are added in future exports
068:
069:            private static final String VERSION_ATTR = "version";
070:            private static final String WEB_CONTENT_URL_PROP = "source";
071:            private static final String HEIGHT_PROP = "height";
072:            private static final String SPECIAL_PROP = "special";
073:
074:            public static final String ATTR_TOP_REFRESH = "sakai.vppa.top.refresh";
075:
076:            public void init() {
077:                M_log.debug("init()");
078:
079:                // register as an entity producer
080:                EntityManager.registerEntityProducer(this , REFERENCE_ROOT);
081:
082:            } // init
083:
084:            public String archive(String siteId, Document doc, Stack stack,
085:                    String archivePath, List attachments) {
086:                StringBuffer results = new StringBuffer();
087:
088:                Base64 codec = new Base64();
089:                try {
090:                    int count = 0;
091:                    results.append("archiving " + getLabel() + " context "
092:                            + Entity.SEPARATOR + siteId + Entity.SEPARATOR
093:                            + SiteService.MAIN_CONTAINER + ".\n");
094:                    // start with an element with our very own (service) name
095:                    Element element = doc.createElement(SERVICE_NAME);
096:                    element.setAttribute(VERSION_ATTR, ARCHIVE_VERSION);
097:                    ((Element) stack.peek()).appendChild(element);
098:                    stack.push(element);
099:                    if (siteId != null && siteId.trim().length() > 0) {
100:                        Element webContentEl = doc.createElement(WEB_CONTENT);
101:
102:                        Site site = SiteService.getSite(siteId);
103:                        List sitePages = site.getPages();
104:
105:                        if (sitePages != null && !sitePages.isEmpty()) {
106:                            Iterator pageIter = sitePages.iterator();
107:                            while (pageIter.hasNext()) {
108:                                SitePage currPage = (SitePage) pageIter.next();
109:
110:                                List toolList = currPage.getTools();
111:                                Iterator toolIter = toolList.iterator();
112:                                while (toolIter.hasNext()) {
113:                                    ToolConfiguration toolConfig = (ToolConfiguration) toolIter
114:                                            .next();
115:
116:                                    // we do not want to archive "special" uses of sakai.iframe, such as worksite info
117:                                    String special = toolConfig
118:                                            .getPlacementConfig().getProperty(
119:                                                    SPECIAL_PROP);
120:
121:                                    if (toolConfig.getToolId().equals(TOOL_ID)
122:                                            && special == null) {
123:                                        Element webContentData = doc
124:                                                .createElement(REDIRECT_TAB);
125:                                        count++;
126:
127:                                        String contentUrl = toolConfig
128:                                                .getPlacementConfig()
129:                                                .getProperty(
130:                                                        WEB_CONTENT_URL_PROP);
131:                                        String toolTitle = toolConfig
132:                                                .getTitle();
133:                                        String pageTitle = currPage.getTitle();
134:                                        String height = toolConfig
135:                                                .getPlacementConfig()
136:                                                .getProperty(HEIGHT_PROP);
137:
138:                                        webContentData.setAttribute(NEW_WINDOW,
139:                                                new Boolean(currPage.isPopUp())
140:                                                        .toString());
141:
142:                                        try {
143:                                            String encoded = new String(
144:                                                    codec.encode(contentUrl
145:                                                            .getBytes("UTF-8")),
146:                                                    "UTF-8");
147:                                            webContentData.setAttribute(
148:                                                    WEB_CONTENT_URL, encoded);
149:                                        } catch (Exception e) {
150:                                            M_log
151:                                                    .warn("Encode Web Content URL - "
152:                                                            + e);
153:                                        }
154:
155:                                        try {
156:                                            String encoded = new String(
157:                                                    codec.encode(toolTitle
158:                                                            .getBytes("UTF-8")),
159:                                                    "UTF-8");
160:                                            webContentData.setAttribute(
161:                                                    WEB_CONTENT_TITLE, encoded);
162:                                        } catch (Exception e) {
163:                                            M_log
164:                                                    .warn("Encode Web Content Tool Title - "
165:                                                            + e);
166:                                        }
167:
168:                                        if (height != null) {
169:                                            webContentData.setAttribute(
170:                                                    HEIGHT_PROP, height);
171:                                        }
172:
173:                                        try {
174:                                            String encoded = new String(
175:                                                    codec.encode(pageTitle
176:                                                            .getBytes("UTF-8")),
177:                                                    "UTF-8");
178:                                            webContentData.setAttribute(
179:                                                    PAGE_TITLE, encoded);
180:                                        } catch (Exception e) {
181:                                            M_log
182:                                                    .warn("Encode Web Content Page Title - "
183:                                                            + e);
184:                                        }
185:
186:                                        if (height != null) {
187:                                            webContentData.setAttribute(
188:                                                    HEIGHT_PROP, height);
189:                                        }
190:
191:                                        webContentEl
192:                                                .appendChild(webContentData);
193:                                    }
194:                                }
195:                            }
196:                            results
197:                                    .append("archiving "
198:                                            + getLabel()
199:                                            + ": ("
200:                                            + count
201:                                            + ") web content items archived successfully.\n");
202:                        }
203:
204:                        else {
205:                            results.append("archiving " + getLabel()
206:                                    + ": empty web content archived.\n");
207:                        }
208:
209:                        ((Element) stack.peek()).appendChild(webContentEl);
210:                        stack.push(webContentEl);
211:                    }
212:                    stack.pop();
213:
214:                } catch (DOMException e) {
215:                    M_log.error(e.getMessage(), e);
216:                } catch (IdUnusedException e) {
217:                    M_log.error(e.getMessage(), e);
218:                } catch (Exception e) {
219:                    M_log.error(e.getMessage(), e);
220:                }
221:                return results.toString();
222:            }
223:
224:            public Entity getEntity(Reference ref) {
225:                // TODO Auto-generated method stub
226:                return null;
227:            }
228:
229:            public Collection getEntityAuthzGroups(Reference ref) {
230:                // TODO Auto-generated method stub
231:                return null;
232:            }
233:
234:            public String getEntityDescription(Reference ref) {
235:                // TODO Auto-generated method stub
236:                return null;
237:            }
238:
239:            public ResourceProperties getEntityResourceProperties(Reference ref) {
240:                // TODO Auto-generated method stub
241:                return null;
242:            }
243:
244:            public String getEntityUrl(Reference ref) {
245:                // TODO Auto-generated method stub
246:                return null;
247:            }
248:
249:            public HttpAccess getHttpAccess() {
250:                // TODO Auto-generated method stub
251:                return null;
252:            }
253:
254:            public String getLabel() {
255:                return "web";
256:            }
257:
258:            public String merge(String siteId, Element root,
259:                    String archivePath, String fromSiteId, Map attachmentNames,
260:                    Map userIdTrans, Set userListAllowImport) {
261:                M_log.info("merge starts for Web Content...");
262:                Base64 codec = new Base64();
263:                if (siteId != null && siteId.trim().length() > 0) {
264:                    try {
265:                        Site site = SiteService.getSite(siteId);
266:                        NodeList allChildrenNodes = root.getChildNodes();
267:                        int length = allChildrenNodes.getLength();
268:                        for (int i = 0; i < length; i++) {
269:                            Node siteNode = allChildrenNodes.item(i);
270:                            if (siteNode.getNodeType() == Node.ELEMENT_NODE) {
271:                                Element siteElement = (Element) siteNode;
272:                                if (siteElement.getTagName()
273:                                        .equals(WEB_CONTENT)) {
274:                                    NodeList allContentNodes = siteElement
275:                                            .getChildNodes();
276:                                    int lengthContent = allContentNodes
277:                                            .getLength();
278:                                    for (int j = 0; j < lengthContent; j++) {
279:                                        Node child1 = allContentNodes.item(j);
280:                                        if (child1.getNodeType() == Node.ELEMENT_NODE) {
281:                                            Element contentElement = (Element) child1;
282:                                            if (contentElement.getTagName()
283:                                                    .equals(REDIRECT_TAB)) {
284:                                                String toolTitle = contentElement
285:                                                        .getAttribute(WEB_CONTENT_TITLE);
286:                                                String trimBody = null;
287:                                                if (toolTitle != null
288:                                                        && toolTitle.length() > 0) {
289:                                                    trimBody = trimToNull(toolTitle);
290:                                                    if (trimBody != null
291:                                                            && trimBody
292:                                                                    .length() > 0) {
293:                                                        byte[] decoded = codec
294:                                                                .decode(trimBody
295:                                                                        .getBytes("UTF-8"));
296:                                                        toolTitle = new String(
297:                                                                decoded,
298:                                                                "UTF-8");
299:                                                    }
300:                                                }
301:
302:                                                String pageTitle = contentElement
303:                                                        .getAttribute(PAGE_TITLE);
304:                                                trimBody = null;
305:                                                if (pageTitle != null
306:                                                        && pageTitle.length() > 0) {
307:                                                    trimBody = trimToNull(pageTitle);
308:                                                    if (trimBody != null
309:                                                            && trimBody
310:                                                                    .length() > 0) {
311:                                                        byte[] decoded = codec
312:                                                                .decode(trimBody
313:                                                                        .getBytes("UTF-8"));
314:                                                        pageTitle = new String(
315:                                                                decoded,
316:                                                                "UTF-8");
317:                                                    }
318:                                                }
319:
320:                                                // if either tool or page title is missing, use the same for both
321:                                                if ((toolTitle != null && toolTitle
322:                                                        .length() > 0)
323:                                                        && (pageTitle == null || pageTitle
324:                                                                .length() == 0))
325:                                                    pageTitle = toolTitle;
326:                                                if ((pageTitle != null && pageTitle
327:                                                        .length() > 0)
328:                                                        && (toolTitle == null || toolTitle
329:                                                                .length() == 0))
330:                                                    toolTitle = pageTitle;
331:
332:                                                String contentUrl = contentElement
333:                                                        .getAttribute(WEB_CONTENT_URL);
334:                                                trimBody = null;
335:                                                if (contentUrl != null
336:                                                        && contentUrl.length() > 0) {
337:                                                    trimBody = trimToNull(contentUrl);
338:                                                    if (trimBody != null
339:                                                            && trimBody
340:                                                                    .length() > 0) {
341:                                                        byte[] decoded = codec
342:                                                                .decode(trimBody
343:                                                                        .getBytes("UTF-8"));
344:                                                        contentUrl = new String(
345:                                                                decoded,
346:                                                                "UTF-8");
347:                                                    }
348:                                                }
349:
350:                                                String height = contentElement
351:                                                        .getAttribute(HEIGHT_PROP);
352:                                                String openInNewWindow = contentElement
353:                                                        .getAttribute(NEW_WINDOW);
354:
355:                                                if (toolTitle != null
356:                                                        && contentUrl != null
357:                                                        && toolTitle.length() > 0
358:                                                        && contentUrl.length() > 0
359:                                                        && pageTitle != null
360:                                                        && pageTitle.length() > 0) {
361:                                                    Tool tr = ToolManager
362:                                                            .getTool(TOOL_ID);
363:                                                    SitePage page = site
364:                                                            .addPage();
365:                                                    page.setTitle(pageTitle);
366:                                                    ToolConfiguration tool = page
367:                                                            .addTool();
368:                                                    tool.setTool(TOOL_ID, tr);
369:                                                    tool.setTitle(toolTitle);
370:                                                    tool
371:                                                            .getPlacementConfig()
372:                                                            .setProperty(
373:                                                                    WEB_CONTENT_URL_PROP,
374:                                                                    contentUrl);
375:
376:                                                    if (height != null) {
377:                                                        tool
378:                                                                .getPlacementConfig()
379:                                                                .setProperty(
380:                                                                        HEIGHT_PROP,
381:                                                                        height);
382:                                                    }
383:
384:                                                    if (openInNewWindow
385:                                                            .equalsIgnoreCase("true"))
386:                                                        page.setPopup(true);
387:                                                    else
388:                                                        page.setPopup(false);
389:                                                } else {
390:                                                    M_log
391:                                                            .warn("Web content item not imported because page_title and title missing or url missing: "
392:                                                                    + "title: "
393:                                                                    + toolTitle
394:                                                                    + " page_title: "
395:                                                                    + pageTitle
396:                                                                    + " url: "
397:                                                                    + contentUrl);
398:                                                }
399:                                            }
400:                                        }
401:                                    }
402:                                }
403:                            }
404:                        }
405:                        SiteService.save(site);
406:                        ToolSession session = SessionManager
407:                                .getCurrentToolSession();
408:
409:                        if (session.getAttribute(ATTR_TOP_REFRESH) == null) {
410:                            session
411:                                    .setAttribute(ATTR_TOP_REFRESH,
412:                                            Boolean.TRUE);
413:                        }
414:                    } catch (Exception e) {
415:                        M_log.error("errors in merge for WebServiceImpl");
416:                        e.printStackTrace();
417:                    }
418:                }
419:
420:                return null;
421:            }
422:
423:            public boolean parseEntityReference(String reference, Reference ref) {
424:                // TODO Auto-generated method stub
425:                return false;
426:            }
427:
428:            public boolean willArchiveMerge() {
429:                // TODO Auto-generated method stub
430:                return true;
431:            }
432:
433:            public String[] myToolIds() {
434:                String[] toolIds = { TOOL_ID };
435:                return toolIds;
436:            }
437:
438:            public void transferCopyEntities(String fromContext,
439:                    String toContext, List ids) {
440:                M_log.debug("web content transferCopyEntities");
441:                try {
442:                    // retrieve all of the web content tools to copy
443:                    Site fromSite = SiteService.getSite(fromContext);
444:                    Site toSite = SiteService.getSite(toContext);
445:
446:                    List fromSitePages = fromSite.getPages();
447:
448:                    if (fromSitePages != null && !fromSitePages.isEmpty()) {
449:                        Iterator pageIter = fromSitePages.iterator();
450:                        while (pageIter.hasNext()) {
451:                            SitePage currPage = (SitePage) pageIter.next();
452:
453:                            List toolList = currPage.getTools();
454:                            Iterator toolIter = toolList.iterator();
455:                            while (toolIter.hasNext()) {
456:                                ToolConfiguration toolConfig = (ToolConfiguration) toolIter
457:                                        .next();
458:
459:                                // we do not want to import "special" uses of sakai.iframe, such as worksite info
460:                                String special = toolConfig
461:                                        .getPlacementConfig().getProperty(
462:                                                SPECIAL_PROP);
463:
464:                                if (toolConfig.getToolId().equals(TOOL_ID)
465:                                        && special == null) {
466:                                    String contentUrl = toolConfig
467:                                            .getPlacementConfig().getProperty(
468:                                                    WEB_CONTENT_URL_PROP);
469:                                    String toolTitle = toolConfig.getTitle();
470:                                    String pageTitle = currPage.getTitle();
471:                                    String height = toolConfig
472:                                            .getPlacementConfig().getProperty(
473:                                                    HEIGHT_PROP);
474:
475:                                    if (toolTitle != null
476:                                            && toolTitle.length() > 0
477:                                            && pageTitle != null
478:                                            && pageTitle.length() > 0) {
479:                                        Tool tr = ToolManager.getTool(TOOL_ID);
480:                                        SitePage page = toSite.addPage();
481:                                        page.setTitle(pageTitle);
482:                                        ToolConfiguration tool = page.addTool();
483:                                        tool.setTool(TOOL_ID, tr);
484:                                        tool.setTitle(toolTitle);
485:                                        if (contentUrl != null) {
486:                                            tool
487:                                                    .getPlacementConfig()
488:                                                    .setProperty(
489:                                                            WEB_CONTENT_URL_PROP,
490:                                                            contentUrl);
491:                                        }
492:
493:                                        if (height != null) {
494:                                            tool.getPlacementConfig()
495:                                                    .setProperty(HEIGHT_PROP,
496:                                                            height);
497:                                        }
498:
499:                                        if (currPage.isPopUp())
500:                                            page.setPopup(true);
501:                                        else
502:                                            page.setPopup(false);
503:                                    }
504:                                }
505:                            }
506:                        }
507:                    }
508:                    SiteService.save(toSite);
509:                    ToolSession session = SessionManager
510:                            .getCurrentToolSession();
511:
512:                    if (session.getAttribute(ATTR_TOP_REFRESH) == null) {
513:                        session.setAttribute(ATTR_TOP_REFRESH, Boolean.TRUE);
514:                    }
515:                }
516:
517:                catch (Exception any) {
518:                    M_log
519:                            .warn(
520:                                    "transferCopyEntities(): exception in handling webcontent data: ",
521:                                    any);
522:                }
523:
524:            }
525:
526:            public String trimToNull(String value) {
527:                if (value == null)
528:                    return null;
529:                value = value.trim();
530:                if (value.length() == 0)
531:                    return null;
532:                return value;
533:            }
534:
535:            public Collection getEntityAuthzGroups(Reference ref, String userId) {
536:                // TODO Auto-generated method stub
537:                return null;
538:            }
539:
540:        }
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