org.spearce.egit.core/src/org/spearce/egit/core/internal/UpdateJob.java

   1 /*******************************************************************************
   2  * Copyright (C) 2007, Robin Rosenberg <me@lathund.dewire.com>
   3  * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
   4  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   5  *
   6  * All rights reserved. This program and the accompanying materials
   7  * are made available under the terms of the Eclipse Public License v1.0
   8  * See LICENSE for the full license text, also available.
   9  *******************************************************************************/
  10 package org.spearce.egit.core.internal;
  11
  12 import java.io.File;
  13 import java.io.IOException;
  14 import java.util.Collection;
  15 import java.util.IdentityHashMap;
  16 import java.util.Iterator;
  17
  18 import org.eclipse.core.resources.IContainer;
  19 import org.eclipse.core.resources.IResource;
  20 import org.eclipse.core.resources.IResourceProxy;
  21 import org.eclipse.core.resources.IResourceProxyVisitor;
  22 import org.eclipse.core.resources.IResourceVisitor;
  23 import org.eclipse.core.runtime.CoreException;
  24 import org.eclipse.core.runtime.IAdaptable;
  25 import org.eclipse.core.runtime.IProgressMonitor;
  26 import org.eclipse.core.runtime.IStatus;
  27 import org.eclipse.core.runtime.NullProgressMonitor;
  28 import org.eclipse.core.runtime.Status;
  29 import org.eclipse.core.runtime.jobs.Job;
  30 import org.spearce.egit.core.Activator;
  31 import org.spearce.egit.core.CoreText;
  32 import org.spearce.egit.core.project.RepositoryMapping;
  33 import org.spearce.jgit.errors.NotSupportedException;
  34 import org.spearce.jgit.lib.GitIndex;
  35 import org.spearce.jgit.lib.GitIndex.Entry;
  36
  37 /**
  38  * This job updates the index with the content of all specified
  39  * and tracked resources. If a project is selected all tracked
  40  * resources withing that container are updated.
  41  */
  42 public class UpdateJob extends Job {
  43
  44         private final Collection rsrcList;
  45
  46         /**
  47          * Construct an UpdateJob for the specified resources.
  48          *
  49          * @param rsrcList
  50          */
  51         public UpdateJob(Collection rsrcList) {
  52                 super("Update index");
  53                 this.rsrcList = rsrcList;
  54                 setPriority(Job.LONG);
  55         }
  56
  57         protected IStatus run(IProgressMonitor m) {
  58                 if (m == null) {
  59                         m = new NullProgressMonitor();
  60                 }
  61
  62                 trace("running");
  63                 try {
  64                         final IdentityHashMap<RepositoryMapping, Boolean> tomerge = new IdentityHashMap<RepositoryMapping, Boolean>();
  65                         try {
  66                                 final int[] count=new int[1];
  67                                 long t0=System.currentTimeMillis();
  68                                 for (Object obj : rsrcList) {
  69                                         obj = ((IAdaptable)obj).getAdapter(IResource.class);
  70                                         if (obj instanceof IContainer) {
  71                                                 ((IContainer)obj).accept(new IResourceProxyVisitor() {
  72                                                         public boolean visit(IResourceProxy rp) throws CoreException {
  73                                                                 if (rp.getType() == IResource.FILE) {
  74                                                                         count[0]++;
  75                                                                 }
  76                                                                 return true;
  77                                                         }
  78                                                 }, IContainer.EXCLUDE_DERIVED);
  79                                         } else if (obj instanceof IResource) {
  80                                                         count[0]++;
  81                                         }
  82                                 }
  83                                 long t1=System.currentTimeMillis();
  84                                 System.out.println("Counted "+count[0]+" items to update in "+(t1-t0)/1000.0+"s");
  85                                 m.beginTask(CoreText.UpdateOperation_updating, count[0]);
  86                                 final IProgressMonitor fm = m;
  87                                 for (Object obj : rsrcList) {
  88                                         if (obj instanceof IResource) {
  89                                                 final IResource r = (IResource)obj;
  90                                                 final RepositoryMapping rm = RepositoryMapping.getMapping(r);
  91                                                 final GitIndex index = rm.getRepository().getIndex();
  92                                                 tomerge.put(rm, Boolean.TRUE);
  93                                                 if (r instanceof IContainer) {
  94                                                         ((IContainer)r).accept(new IResourceVisitor() {
  95                                                                 public boolean visit(IResource resource) throws CoreException {
  96                                                                         try {
  97                                                                                 if (resource.getType() == IResource.FILE) {
  98                                                                                         String path = rm.getRepoRelativePath(resource);
  99                                                                                         Entry entry = index.getEntry(path);
 100                                                                                         if (entry != null) {
 101                                                                                                 entry.update(new File(rm.getWorkDir(),path));
 102                                                                                         }
 103                                                                                         fm.worked(1);
 104                                                                                 }
 105                                                                         } catch (IOException e) {
 106                                                                                 e.printStackTrace();
 107                                                                                 throw Activator.error(CoreText.UpdateOperation_failed, e);
 108                                                                         }
 109                                                                         return true;
 110                                                                 }
 111                                                         },IResource.DEPTH_INFINITE, IContainer.EXCLUDE_DERIVED);
 112                                                 } else {
 113                                                         String path = rm.getRepoRelativePath(r);
 114                                                         Entry entry = index.getEntry(path);
 115                                                         if (entry != null) {
 116                                                                 entry.update(new File(rm.getWorkDir(),path));
 117                                                         }
 118                                                         m.worked(1);
 119                                                 }
 120                                         }
 121                                 }
 122                                 for (RepositoryMapping rm : tomerge.keySet()) {
 123                                         m.setTaskName("Writing index for "+rm.getRepository().getDirectory());
 124                                         rm.getRepository().getIndex().write();
 125                                 }
 126                         } catch (NotSupportedException e) {
 127                                 return Activator.error(e.getMessage(),e).getStatus();
 128                         } catch (RuntimeException e) {
 129                                 e.printStackTrace();
 130                                 return Activator.error(CoreText.UpdateOperation_failed, e).getStatus();
 131                         } catch (IOException e) {
 132                                 e.printStackTrace();
 133                                 return Activator.error(CoreText.UpdateOperation_failed, e).getStatus();
 134                         } catch (CoreException e) {
 135                                 e.printStackTrace();
 136                                 return Activator.error(CoreText.UpdateOperation_failed, e).getStatus();
 137                         } finally {
 138                                 try {
 139                                         final Iterator i = tomerge.keySet().iterator();
 140                                         while (i.hasNext()) {
 141                                                 final RepositoryMapping r = (RepositoryMapping) i.next();
 142                                                 r.getRepository().getIndex().read();
 143                                                 r.fireRepositoryChanged();
 144                                         }
 145                                 } catch (IOException e) {
 146                                         e.printStackTrace();
 147                                 } finally {
 148                                         m.done();
 149                                 }
 150                         }
 151                 } finally {
 152                         trace("done");
 153                         m.done();
 154                 }
 155
 156                 return Status.OK_STATUS;
 157         }
 158
 159         private void trace(final String m) {
 160                 Activator.trace("(UpdateJob)"+m);
 161         }
 162
 163 }