Source Code Cross Referenced for SynchronizerController.java in  » Groupware » LibreSource » org » libresource » web » controllers » so6 » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Groupware » LibreSource » org.libresource.web.controllers.so6 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * LibreSource
003:         * Copyright (C) 2004-2008 Artenum SARL / INRIA
004:         * http://www.libresource.org - contact@artenum.com
005:         *
006:         * This file is part of the LibreSource software, 
007:         * which can be used and distributed under license conditions.
008:         * The license conditions are provided in the LICENSE.TXT file 
009:         * at the root path of the packaging that enclose this file. 
010:         * More information can be found at 
011:         * - http://dev.libresource.org/home/license
012:         *
013:         * Initial authors :
014:         *
015:         * Guillaume Bort / INRIA
016:         * Francois Charoy / Universite Nancy 2
017:         * Julien Forest / Artenum
018:         * Claude Godart / Universite Henry Poincare
019:         * Florent Jouille / INRIA
020:         * Sebastien Jourdain / INRIA / Artenum
021:         * Yves Lerumeur / Artenum
022:         * Pascal Molli / Universite Henry Poincare
023:         * Gerald Oster / INRIA
024:         * Mariarosa Penzi / Artenum
025:         * Gerard Sookahet / Artenum
026:         * Raphael Tani / INRIA
027:         *
028:         * Contributors :
029:         *
030:         * Stephane Bagnier / Artenum
031:         * Amadou Dia / Artenum-IUP Blois
032:         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
033:         */package org.libresource.web.controllers.so6;
034:
035:        import org.libresource.Libresource;
036:
037:        import org.libresource.core.FileData;
038:
039:        import org.libresource.kernel.KernelConstants;
040:        import org.libresource.kernel.LibresourceSecurityException;
041:        import org.libresource.kernel.interfaces.KernelService;
042:
043:        import org.libresource.membership.MembershipConstants;
044:        import org.libresource.membership.interfaces.MembershipService;
045:
046:        import org.libresource.so6.core.command.Command;
047:        import org.libresource.so6.core.command.text.AddBlock;
048:        import org.libresource.so6.core.command.text.DelBlock;
049:        import org.libresource.so6.core.engine.OpVectorFsImpl;
050:        import org.libresource.so6.core.engine.PatchFile;
051:        import org.libresource.so6.core.engine.util.FileBrowserPatchHandler;
052:        import org.libresource.so6.core.engine.util.FileUtils;
053:        import org.libresource.so6.server.ls.LibresourceSynchronizerConstants;
054:        import org.libresource.so6.server.ls.PatchBean;
055:        import org.libresource.so6.server.ls.ejb.LibresourceSynchronizerServiceBean;
056:        import org.libresource.so6.server.ls.ejb.model.SynchronizerResourceValue;
057:        import org.libresource.so6.server.ls.ejb.model.WsConnectionResourceValue;
058:        import org.libresource.so6.server.ls.interfaces.LibresourceSynchronizerService;
059:
060:        import org.libresource.web.Controller;
061:        import org.libresource.web.Helper;
062:        import org.libresource.web.config.Config;
063:
064:        import java.io.File;
065:        import java.io.FileInputStream;
066:        import java.io.FileOutputStream;
067:        import java.io.InputStream;
068:        import java.io.OutputStream;
069:
070:        import java.net.URI;
071:
072:        import java.util.ArrayList;
073:        import java.util.Arrays;
074:        import java.util.Collection;
075:        import java.util.Iterator;
076:        import java.util.ListIterator;
077:        import java.util.Properties;
078:
079:        import javax.servlet.http.HttpServletRequest;
080:        import javax.servlet.http.HttpServletResponse;
081:
082:        public class SynchronizerController implements  Controller {
083:            public Object process(URI uri, HttpServletRequest request,
084:                    HttpServletResponse response) throws Exception {
085:                LibresourceSynchronizerService libresourceSycnhronizerService = (LibresourceSynchronizerService) Libresource
086:                        .getService(LibresourceSynchronizerConstants.SERVICE);
087:                SynchronizerResourceValue synchronizerResourceValue = libresourceSycnhronizerService
088:                        .getSynchronizer(uri);
089:                request.setAttribute("synchronizer", synchronizerResourceValue);
090:
091:                // check security
092:                MembershipService membershipService = (MembershipService) Libresource
093:                        .getService(MembershipConstants.SERVICE);
094:                KernelService kernelService = (KernelService) Libresource
095:                        .getService(KernelConstants.SERVICE);
096:                request
097:                        .setAttribute(
098:                                "canCreateReplica",
099:                                new Boolean(
100:                                        Helper
101:                                                .checkSecurity(
102:                                                        uri,
103:                                                        LibresourceSynchronizerServiceBean.SO6_CREATE_WORKSPACE)));
104:
105:                PatchBean[] compressedPatchList = libresourceSycnhronizerService
106:                        .listSynchronizerPatch(uri, 1);
107:                request.setAttribute("canBrowse", new Boolean(
108:                        compressedPatchList.length > 0));
109:
110:                // retreive view information
111:                if ((request.getParameter("view") == null)
112:                        || "workspace".equals(request.getParameter("view"))) {
113:                    // View replica list
114:                    WsConnectionResourceValue[] replicas = libresourceSycnhronizerService
115:                            .listSynchronizerConnections(uri);
116:                    request.setAttribute("replicas", replicas);
117:                    request.setAttribute("replicaView", Boolean.TRUE);
118:                } else if ("history".equals(request.getParameter("view"))
119:                        || "tags".equals(request.getParameter("view"))) {
120:                    // View patch history
121:                    PatchBean[] patchList = libresourceSycnhronizerService
122:                            .listSynchronizerPatch(uri, 0);
123:                    request.setAttribute("patches", patchList);
124:                    request.setAttribute("patchView", Boolean.TRUE);
125:                } else if ("browse".equals(request.getParameter("view"))) {
126:                    if (!kernelService.checkSecurity(uri,
127:                            KernelConstants.SECURITY_READ)) {
128:                        throw new LibresourceSecurityException(uri,
129:                                KernelConstants.SECURITY_READ);
130:                    }
131:
132:                    long fromTicket = compressedPatchList[0].getFromTicket();
133:                    long toTicket = compressedPatchList[0].getToTicket();
134:
135:                    if ((request.getParameter("from") != null)
136:                            && (request.getParameter("to") != null)) {
137:                        fromTicket = Long.parseLong(request
138:                                .getParameter("from"));
139:                        toTicket = Long.parseLong(request.getParameter("to"));
140:                    }
141:
142:                    String fileName = request.getParameter("fileName");
143:
144:                    //
145:                    String baseWorkingDir = LibresourceSynchronizerServiceBean
146:                            .getSynchronizerBasePath(synchronizerResourceValue
147:                                    .getId())
148:                            + File.separator + fromTicket + "_" + toTicket;
149:                    File propFile = new File(baseWorkingDir,
150:                            "attach.properties");
151:
152:                    if (fileName != null) {
153:                        // download file name
154:                        Properties props = new Properties();
155:                        FileInputStream fis = new FileInputStream(propFile);
156:                        props.load(fis);
157:                        fis.close();
158:
159:                        File fileToDownload = new File(baseWorkingDir, props
160:                                .getProperty(fileName));
161:                        response
162:                                .setContentLength((int) fileToDownload.length());
163:                        response.setContentType("application/octetstream");
164:                        response.addHeader("Content-Disposition",
165:                                "attachment; filename="
166:                                        + new File(fileName).getName()
167:                                                .replaceAll(" ", "_"));
168:
169:                        // set body
170:                        OutputStream out = response.getOutputStream();
171:                        fis = new FileInputStream(fileToDownload);
172:
173:                        byte[] buffer = new byte[1024 * 1024];
174:                        int length = -1;
175:
176:                        while ((length = fis.read(buffer)) != -1) {
177:                            out.write(buffer, 0, length);
178:                        }
179:
180:                        fis.close();
181:                        out.close();
182:
183:                        return null;
184:                    } else {
185:                        // show index
186:                        if (!propFile.exists()) {
187:                            // build it
188:                            propFile.getParentFile().mkdirs();
189:
190:                            FileBrowserPatchHandler fbph = new FileBrowserPatchHandler(
191:                                    baseWorkingDir);
192:                            FileData patchFile = libresourceSycnhronizerService
193:                                    .getPatch(uri, fromTicket, toTicket);
194:                            fbph.exportAttachementWithProperties(patchFile
195:                                    .getInputStream());
196:                        }
197:
198:                        // load properties
199:                        Properties props = new Properties();
200:                        FileInputStream fis = new FileInputStream(propFile);
201:                        props.load(fis);
202:                        fis.close();
203:
204:                        ArrayList pathList = new ArrayList();
205:                        pathList.addAll(props.keySet());
206:
207:                        Object[] files = pathList.toArray();
208:                        Arrays.sort(files);
209:
210:                        request.setAttribute("fromTicket", Long
211:                                .toString(fromTicket));
212:                        request.setAttribute("toTicket", Long
213:                                .toString(toTicket));
214:                        request.setAttribute("uri", uri.getPath());
215:                        request
216:                                .setAttribute("lastTickets",
217:                                        compressedPatchList);
218:
219:                        // TODO add expand parameter
220:                        //String content = printTreeAsHTML(toTree(files));
221:                        //request.setAttribute("content", content);
222:                        request.setAttribute("files", files);
223:                    }
224:                } else if ("viewPatch".equals(request.getParameter("view"))) {
225:                    // View patch online
226:                    long fromTicket = Long.parseLong(request
227:                            .getParameter("from"));
228:                    long toTicket = Long.parseLong(request.getParameter("to"));
229:
230:                    FileData patch = libresourceSycnhronizerService.getPatch(
231:                            uri, fromTicket, toTicket);
232:                    File temp = File.createTempFile("viewpatch", ".xml", Config
233:                            .getInstance(null).getLsWebBuffer());
234:                    InputStream is = patch.getInputStream();
235:                    FileOutputStream os = new FileOutputStream(temp);
236:                    int readCount = -1;
237:                    byte[] buffer = new byte[1000000];
238:
239:                    while ((readCount = is.read(buffer)) > 0) {
240:                        os.write(buffer, 0, readCount);
241:                    }
242:
243:                    os.close();
244:
245:                    File workingDir = FileUtils.createTmpDir();
246:                    File cmds = new File(workingDir, "cmds");
247:                    cmds.mkdirs();
248:
249:                    File attach = new File(workingDir, "attach");
250:                    attach.mkdirs();
251:
252:                    OpVectorFsImpl opVector = new OpVectorFsImpl(cmds.getPath());
253:                    PatchFile patchFile = new PatchFile(temp.getAbsolutePath());
254:                    patchFile.buildOpVector(opVector, attach.getPath(), null);
255:
256:                    ListIterator commands = opVector.getCommands();
257:                    StringBuffer b = new StringBuffer();
258:
259:                    while (commands.hasNext()) {
260:                        Command cmd = (Command) commands.next();
261:                        b.append(cmd.toString() + "\n");
262:
263:                        if (cmd instanceof  DelBlock) {
264:                            DelBlock delBlock = (DelBlock) cmd;
265:                            Collection oldContent = delBlock.getOldContent();
266:
267:                            for (Iterator i = oldContent.iterator(); i
268:                                    .hasNext();) {
269:                                b.append("  -- " + (String) i.next() + "\n");
270:                            }
271:                        }
272:
273:                        if (cmd instanceof  AddBlock) {
274:                            AddBlock addBlock = (AddBlock) cmd;
275:                            Collection oldContent = addBlock.getContent();
276:
277:                            for (Iterator i = oldContent.iterator(); i
278:                                    .hasNext();) {
279:                                b.append("  ++ " + (String) i.next() + "\n");
280:                            }
281:                        }
282:
283:                        b.append("\n\n");
284:                    }
285:
286:                    request.setAttribute("from", request.getParameter("from"));
287:                    request.setAttribute("to", request.getParameter("to"));
288:                    request.setAttribute("patchVerbose", b.toString());
289:                }
290:
291:                if (request.getParameter("noaction") != null) {
292:                    return "/pages/modules/so6/viewSimpleSynchronizer.jsp";
293:                }
294:
295:                return "/pages/modules/so6/viewSynchronizer.jsp";
296:            }
297:        }
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