Source Code Cross Referenced for EditorAction.java in  » Content-Management-System » TransferCM » com » methodhead » shim » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Content Management System » TransferCM » com.methodhead.shim 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* 
002:         * Copyright (C) 2006 Methodhead Software LLC.  All rights reserved.
003:         * 
004:         * This file is part of TransferCM.
005:         * 
006:         * TransferCM is free software; you can redistribute it and/or modify it under the
007:         * terms of the GNU General Public License as published by the Free Software
008:         * Foundation; either version 2 of the License, or (at your option) any later
009:         * version.
010:         * 
011:         * TransferCM is distributed in the hope that it will be useful, but WITHOUT ANY
012:         * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
013:         * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
014:         * details.
015:         * 
016:         * You should have received a copy of the GNU General Public License along with
017:         * TransferCM; if not, write to the Free Software Foundation, Inc., 51 Franklin St,
018:         * Fifth Floor, Boston, MA  02110-1301  USA
019:         */
020:
021:        package com.methodhead.shim;
022:
023:        import org.apache.struts.action.Action;
024:        import org.apache.struts.action.ActionMapping;
025:        import org.apache.struts.action.ActionForm;
026:        import org.apache.struts.action.DynaActionForm;
027:        import org.apache.struts.action.ActionForward;
028:
029:        import javax.servlet.http.HttpServletRequest;
030:        import javax.servlet.http.HttpServletResponse;
031:        import com.methodhead.util.OperationContext;
032:
033:        import com.methodhead.auth.AuthUtil;
034:        import com.methodhead.auth.AuthUser;
035:        import com.methodhead.sitecontext.SiteContext;
036:        import org.apache.commons.lang.StringUtils;
037:        import java.io.File;
038:        import java.util.List;
039:        import java.util.ArrayList;
040:        import java.util.Comparator;
041:        import java.util.Collections;
042:        import com.methodhead.auth.AuthAction;
043:        import com.methodhead.util.StrutsUtil;
044:        import com.methodhead.tree.FoldingTreeNode;
045:        import java.util.Enumeration;
046:        import org.apache.log4j.Logger;
047:
048:        public class EditorAction extends AuthAction {
049:
050:            // constructors /////////////////////////////////////////////////////////////
051:
052:            // constants ////////////////////////////////////////////////////////////////
053:
054:            // classes //////////////////////////////////////////////////////////////////
055:
056:            // methods //////////////////////////////////////////////////////////////////
057:
058:            /**
059:             * NOT UNIT TESTED Returns <tt>true</tt> if <tt>path</tt> doesn't contain any
060:             * invalid characters sequences (<tt>&#046;&#046;</tt>).
061:             */
062:            public static boolean isValidPath(String path) {
063:
064:                if (path == null)
065:                    return false;
066:
067:                return path.indexOf("..") == -1;
068:            }
069:
070:            /**
071:             * Sets <code>form.images</code> to a <code>List</code> of {@link Thumbnail
072:             * Thumbnail}s for images in the directory specified by
073:             * <code>form.path</code>.  If a thumbnail doesn't exist for a particular
074:             * image (this occures when the {@link Thumbnailer thumbnailer} has trouble
075:             * processing an image), the thumbnail's <code>thumbPath</code> is set to
076:             * <code>approot/images/invalid-thumb.gif</code>
077:             */
078:            protected ActionForward doListImages(OperationContext op,
079:                    ShimPolicy policy) throws Exception {
080:
081:                String msg = ((ShimPolicy) policy)
082:                        .isEditorListImagesAuthorized(op);
083:                if (msg != null) {
084:                    StrutsUtil.addMessage(op.request, msg, null, null, null);
085:                    return op.mapping.findForward("accessDenied");
086:                }
087:
088:                //
089:                // get some things we'll need
090:                //
091:                SiteContext siteContext = SiteContext.getContext(op.request);
092:
093:                //
094:                // validate path
095:                //
096:                String path = (String) op.form.get("path");
097:                if (StringUtils.isBlank(path) || !isValidPath(path)) {
098:                    path = "";
099:                }
100:
101:                if (logger_.isDebugEnabled()) {
102:                    logger_.debug("Listing images for path \"" + path + "\"");
103:                }
104:
105:                //
106:                // get source directory
107:                //
108:                File srcDir = new File(op.request.getSession()
109:                        .getServletContext().getRealPath(
110:                                "/" + siteContext.getInt("id") + "/" + path));
111:
112:                if (!srcDir.exists() || !srcDir.isDirectory())
113:                    throw new ShimException("Source directory is invalid \""
114:                            + srcDir + "\"");
115:
116:                //
117:                // get thumbs dir creating it if necessary
118:                //
119:                File thumbsDir = new File(op.request.getSession()
120:                        .getServletContext().getRealPath(
121:                                "/" + siteContext.getInt("id") + "/thumbs/"
122:                                        + path));
123:
124:                if (!thumbsDir.exists())
125:                    thumbsDir.mkdirs();
126:                else if (!thumbsDir.isDirectory())
127:                    throw new ShimException(
128:                            "Thumbs directory exists, but is not a directory \""
129:                                    + thumbsDir + "\"");
130:
131:                //
132:                // sync the thumbnails
133:                //
134:                policy.newThumbnailer().syncDir(srcDir, thumbsDir);
135:
136:                //
137:                // build the images list
138:                //
139:                File[] files = srcDir.listFiles();
140:
141:                if (files == null)
142:                    throw new ShimException("Couldn't list files for \""
143:                            + srcDir + "\"");
144:
145:                if (!"".equals(path))
146:                    path = path + "/";
147:
148:                List thumbs = new ArrayList();
149:                for (int i = 0; i < files.length; i++) {
150:                    String fileName = files[i].getName().toLowerCase();
151:                    if (fileName.endsWith(".jpg") || fileName.endsWith(".gif")
152:                            || fileName.endsWith(".png")) {
153:
154:                        Thumbnail thumbnail = new Thumbnail();
155:                        thumbnail.setName(files[i].getName());
156:                        thumbnail.setImagePath(path + files[i].getName());
157:                        thumbnail.setThumbPath("thumbs/" + path
158:                                + files[i].getName() + ".jpg");
159:                        thumbnail.setSize(files[i].length());
160:
161:                        //
162:                        // null out thumb path if the thumb doesn't exist
163:                        //
164:                        File thumb = new File(thumbsDir, files[i].getName()
165:                                + ".jpg");
166:
167:                        if (!thumb.exists()) {
168:                            thumbnail.setThumbPath(null);
169:                        }
170:
171:                        thumbs.add(thumbnail);
172:                    }
173:                }
174:
175:                //
176:                // sort the thumbnails
177:                //
178:                Collections.sort(thumbs, new Comparator() {
179:                    public int compare(Object o1, Object o2) {
180:                        return ((Thumbnail) o1).getName().compareToIgnoreCase(
181:                                ((Thumbnail) o2).getName());
182:                    }
183:                });
184:
185:                op.form.set("images", thumbs);
186:
187:                return op.mapping.findForward("form");
188:            }
189:
190:            protected ActionForward doPickImage(OperationContext op,
191:                    ShimPolicy policy) throws Exception {
192:
193:                String msg = ((ShimPolicy) policy)
194:                        .isEditorPickImageAuthorized(op);
195:                if (msg != null) {
196:                    StrutsUtil.addMessage(op.request, msg, null, null, null);
197:                    return op.mapping.findForward("accessDenied");
198:                }
199:
200:                op.form.set("path", "");
201:
202:                return op.mapping.findForward("form");
203:            }
204:
205:            protected ActionForward doDisplayFiles(OperationContext op,
206:                    ShimPolicy policy) throws Exception {
207:
208:                String msg = ((ShimPolicy) policy)
209:                        .isEditorDisplayFilesAuthorized(op);
210:                if (msg != null) {
211:                    StrutsUtil.addMessage(op.request, msg, null, null, null);
212:                    return op.mapping.findForward("accessDenied");
213:                }
214:
215:                //
216:                // get some things we'll need
217:                //
218:                SiteContext siteContext = SiteContext.getContext(op.request);
219:
220:                //
221:                // validate path
222:                //
223:                String path = (String) op.form.get("path");
224:                if (StringUtils.isBlank(path) || !isValidPath(path)) {
225:                    path = "";
226:                }
227:
228:                //
229:                // get source directory
230:                //
231:                File srcDir = new File(op.request.getSession()
232:                        .getServletContext().getRealPath(
233:                                "/" + siteContext.getInt("id") + "/" + path));
234:
235:                if (!srcDir.exists() || !srcDir.isDirectory())
236:                    throw new ShimException("Source directory is invalid \""
237:                            + srcDir + "\"");
238:
239:                //
240:                // build the files list
241:                //
242:                File[] files = srcDir.listFiles();
243:
244:                if (files == null)
245:                    throw new ShimException("Couldn't list files for \""
246:                            + srcDir + "\"");
247:
248:                if (!"".equals(path))
249:                    path = path + "/";
250:
251:                List infos = new ArrayList();
252:                for (int i = 0; i < files.length; i++) {
253:                    if (!files[i].isDirectory()) {
254:
255:                        FileInfo info = new FileInfo();
256:                        info.setName(files[i].getName());
257:                        info.setPath(path + files[i].getName());
258:                        info.setSize(files[i].length());
259:
260:                        String fileName = files[i].getName().toLowerCase();
261:                        if (fileName.endsWith(".jpg")
262:                                || fileName.endsWith(".gif")
263:                                || fileName.endsWith(".png"))
264:                            info.setIconHint("IMG");
265:
266:                        infos.add(info);
267:                    }
268:                }
269:
270:                //
271:                // sort the infos
272:                //
273:                Collections.sort(infos, new Comparator() {
274:                    public int compare(Object o1, Object o2) {
275:                        return ((FileInfo) o1).getName().compareToIgnoreCase(
276:                                ((FileInfo) o2).getName());
277:                    }
278:                });
279:
280:                op.form.set("files", infos);
281:
282:                return op.mapping.findForward("form");
283:            }
284:
285:            protected ActionForward doPickFile(OperationContext op,
286:                    ShimPolicy policy) throws Exception {
287:
288:                String msg = ((ShimPolicy) policy)
289:                        .isEditorPickFileAuthorized(op);
290:                if (msg != null) {
291:                    StrutsUtil.addMessage(op.request, msg, null, null, null);
292:                    return op.mapping.findForward("accessDenied");
293:                }
294:
295:                op.form.set("path", "");
296:
297:                return op.mapping.findForward("form");
298:            }
299:
300:            protected ActionForward doListPages(
301:    OperationContext op,
302:    ShimPolicy policy )
303:  throws
304:    Exception {
305:
306:    String msg = ( ( ShimPolicy )policy ).isEditorListPagesAuthorized( op );
307:    if ( msg != null ) {
308:      StrutsUtil.addMessage( op.request, msg, null, null, null );
309:      return op.mapping.findForward( "accessDenied" );
310:    }
311:
312:    logger_.debug( "doPickPage()" );
313:
314:    //
315:    // copy the site map tree
316:    //
317:    SiteMapTree siteMapTree = ShimUtils.getSiteMapTree( op.request );
318:    FoldingTreeNode root =
319:      ( FoldingTreeNode )siteMapTree.copy(
320:        ( FoldingTreeNode )siteMapTree.getRoot() );
321:
322:    SiteMap siteMap = ShimUtils.getSiteMap( op.request );
323:
324:    //
325:    // update the urls
326:    //
327:    for (
328:      Enumeration enum = root.depthFirstEnumeration();
329:      enum.hasMoreElements(); ) {
330:
331:      FoldingTreeNode node = ( FoldingTreeNode )enum.nextElement();
332:
333:      //
334:      // this hurts; would be better to simply store the alias in the sitemap
335:      // tree
336:      //
337:      Link link = siteMap.find( ( ( Integer )node.getUserObject() ).intValue() );
338:
339:      node.setUrl(
340:        "javascript:onPageClick(" + link.getPageId() + ",'" + ShimUtils.getLinkUrl( link ) + "')" );
341:    }
342:
343:    op.form.set( "node", root );
344:
345:    return op.mapping.findForward( "form" );
346:  }
347:
348:            protected ActionForward doPickPage(OperationContext op,
349:                    ShimPolicy policy) throws Exception {
350:
351:                String msg = ((ShimPolicy) policy)
352:                        .isEditorPickPageAuthorized(op);
353:                if (msg != null) {
354:                    StrutsUtil.addMessage(op.request, msg, null, null, null);
355:                    return op.mapping.findForward("accessDenied");
356:                }
357:
358:                return op.mapping.findForward("form");
359:            }
360:
361:            public ActionForward doExecute(ActionMapping mapping,
362:                    ActionForm form, HttpServletRequest request,
363:                    HttpServletResponse response) throws Exception {
364:
365:                //
366:                // get some things we'll need
367:                //
368:                DynaActionForm dynaForm = (DynaActionForm) form;
369:                ShimPolicy policy = ShimUtils.getPolicy(mapping);
370:                AuthUser user = AuthUtil.getUser(request);
371:
372:                //
373:                // mapping authorized?
374:                //
375:                if (!policy.isMappingAuthorized(user, mapping.getPath()))
376:                    return mapping.findForward("accessDenied");
377:
378:                OperationContext op = new OperationContext(mapping, dynaForm,
379:                        request, response, user);
380:
381:                //
382:                // execute the appopriate method
383:                //
384:                if (mapping.getPath().equals("/listImages")) {
385:                    return doListImages(op, policy);
386:                }
387:                if (mapping.getPath().equals("/pickImage")) {
388:                    return doPickImage(op, policy);
389:                }
390:                if (mapping.getPath().equals("/displayFiles")) {
391:                    return doDisplayFiles(op, policy);
392:                }
393:                if (mapping.getPath().equals("/pickFile")) {
394:                    return doPickFile(op, policy);
395:                }
396:                if (mapping.getPath().equals("/listPages")) {
397:                    return doListPages(op, policy);
398:                }
399:                if (mapping.getPath().equals("/pickPage")) {
400:                    return doPickPage(op, policy);
401:                }
402:
403:                throw new Exception("Unexpected mapping path \""
404:                        + mapping.getPath() + "\"");
405:            }
406:
407:            // properties ///////////////////////////////////////////////////////////////
408:
409:            // attributes ///////////////////////////////////////////////////////////////
410:
411:            private static Logger logger_ = Logger
412:                    .getLogger(EditorAction.class);
413:        }
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