java/idea-ui/src/com/intellij/facet/impl/autodetecting/EnableAutodetectionWorker.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.facet.impl.autodetecting;
  17
  18 import com.intellij.facet.FacetType;
  19 import com.intellij.openapi.module.Module;
  20 import com.intellij.openapi.module.ModuleManager;
  21 import com.intellij.openapi.progress.ProgressManager;
  22 import com.intellij.openapi.project.Project;
  23 import com.intellij.openapi.project.ProjectBundle;
  24 import com.intellij.openapi.roots.ModuleRootManager;
  25 import com.intellij.openapi.roots.ContentIterator;
  26 import com.intellij.openapi.util.MultiValuesMap;
  27 import com.intellij.openapi.vfs.VirtualFile;
  28 import com.intellij.openapi.vfs.VirtualFileManager;
  29 import gnu.trove.THashSet;
  30 import org.jetbrains.annotations.NotNull;
  31 import org.jetbrains.annotations.Nullable;
  32 import org.jetbrains.annotations.TestOnly;
  33
  34 import java.util.*;
  35
  36 /**
  37  * @author nik
  38  */
  39 public class EnableAutodetectionWorker {
  40   private final MultiValuesMap<FacetType<?,?>, Module> myModulesToProcess = new MultiValuesMap<FacetType<?,?>, Module>();
  41   private final MultiValuesMap<FacetType<?,?>, VirtualFile> myFilesToProcess = new MultiValuesMap<FacetType<?,?>, VirtualFile>();
  42   private final Project myProject;
  43   private final FacetAutodetectingManagerImpl myFacetAutodetectingManager;
  44
  45   public EnableAutodetectionWorker(@NotNull Project project, final FacetAutodetectingManagerImpl facetAutodetectingManager) {
  46     myProject = project;
  47     myFacetAutodetectingManager = facetAutodetectingManager;
  48   }
  49
  50   public void addFile(@NotNull FacetType<?, ?> type, @NotNull String url) {
  51     VirtualFile file = VirtualFileManager.getInstance().findFileByUrl(url);
  52     if (file != null) {
  53       myFilesToProcess.put(type, file);
  54     }
  55   }
  56
  57   public void queueChanges(final @NotNull FacetType<?, ?> facetType, final @Nullable DisabledAutodetectionByTypeElement oldElement,
  58                            final @Nullable DisabledAutodetectionByTypeElement newElement) {
  59     if (oldElement == null || newElement != null && newElement.getModuleElements().isEmpty()) return;
  60
  61     ModuleManager moduleManager = ModuleManager.getInstance(myProject);
  62     List<Module> modulesToProcess = new ArrayList<Module>();
  63
  64     List<DisabledAutodetectionInModuleElement> moduleElements = oldElement.getModuleElements();
  65     for (DisabledAutodetectionInModuleElement moduleElement : moduleElements) {
  66       if (moduleElement.isDisableInWholeModule()) {
  67         Module module = moduleManager.findModuleByName(moduleElement.getModuleName());
  68         if (module != null) {
  69           modulesToProcess.add(module);
  70         }
  71       }
  72       else {
  73         for (String url : moduleElement.getFiles()) {
  74           if (newElement == null || !newElement.isDisabled(moduleElement.getModuleName(), url)) {
  75             addFile(facetType, url);
  76           }
  77         }
  78         for (String directoryUrl : moduleElement.getDirectories()) {
  79           if (newElement == null || !newElement.isDisabled(moduleElement.getModuleName(), directoryUrl)) {
  80             addFile(facetType, directoryUrl);
  81           }
  82         }
  83       }
  84     }
  85
  86     if (moduleElements.isEmpty()) {
  87       modulesToProcess.addAll(Arrays.asList(moduleManager.getModules()));
  88     }
  89     if (newElement != null) {
  90       Set<String> toRemove = new THashSet<String>();
  91       for (DisabledAutodetectionInModuleElement moduleElement : newElement.getModuleElements()) {
  92         if (moduleElement.isDisableInWholeModule()) {
  93           toRemove.add(moduleElement.getModuleName());
  94         }
  95       }
  96
  97       Iterator<Module> iterator = modulesToProcess.iterator();
  98       while (iterator.hasNext()) {
  99         Module module = iterator.next();
 100         if (toRemove.contains(module.getName())) {
 101           iterator.remove();
 102         }
 103       }
 104     }
 105
 106     if (!modulesToProcess.isEmpty()) {
 107       myModulesToProcess.putAll(facetType, modulesToProcess);
 108     }
 109   }
 110
 111   public void redetectFacets() {
 112     ProgressManager.getInstance().runProcessWithProgressSynchronously(new Runnable() {
 113       public void run() {
 114         for (FacetType<?, ?> type : myModulesToProcess.keySet()) {
 115           detectFacetsInModules(type, myModulesToProcess.get(type));
 116         }
 117         myModulesToProcess.clear();
 118
 119         for (FacetType<?, ?> type : myFilesToProcess.keySet()) {
 120           detectFacetsInFiles(type, myFilesToProcess.get(type));
 121         }
 122         myFilesToProcess.clear();
 123       }
 124
 125     }, ProjectBundle.message("progress.text.detecting.facets"), false, myProject);
 126     myFacetAutodetectingManager.getDetectedFacetManager().showDetectedFacetsDialog();
 127   }
 128
 129   private void detectFacetsInModules(final FacetType<?, ?> type, final Collection<Module> modules) {
 130     for (Module module : modules) {
 131       ModuleRootManager.getInstance(module).getFileIndex().iterateContent(new ContentIterator() {
 132         public boolean processFile(final VirtualFile file) {
 133           detectFacetsInFile(type, file);
 134           return true;
 135         }
 136       });
 137     }
 138   }
 139
 140   private void detectFacetsInFile(final FacetType<?, ?> type, final VirtualFile file) {
 141     //todo[nik] detect only facets of specified type
 142     if (file.isDirectory()) {
 143       for (VirtualFile child : file.getChildren()) {
 144         detectFacetsInFile(type, child);
 145       }
 146     }
 147     else {
 148       myFacetAutodetectingManager.processFile(file);
 149     }
 150   }
 151
 152   private void detectFacetsInFiles(final FacetType<?, ?> type, final Collection<VirtualFile> virtualFiles) {
 153     for (VirtualFile file : virtualFiles) {
 154       detectFacetsInFile(type, file);
 155     }
 156   }
 157
 158   @TestOnly
 159   @Nullable
 160   public Collection<Module> getModulesToProcess(FacetType<?, ?> facetType) {
 161     return myModulesToProcess.get(facetType);
 162   }
 163
 164   @TestOnly
 165   @Nullable
 166   public Collection<VirtualFile> getFilesToProcess(FacetType<?, ?> facetType) {
 167     return myFilesToProcess.get(facetType);
 168   }
 169 }