java/java-impl/src/com/intellij/analysis/AnalysisScopeRule.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
  17 /*
  18  * User: anna
  19  * Date: 15-Jan-2008
  20  */
  21 package com.intellij.analysis;
  22
  23 import com.intellij.ide.impl.dataRules.GetDataRule;
  24 import com.intellij.openapi.actionSystem.DataProvider;
  25 import com.intellij.openapi.actionSystem.LangDataKeys;
  26 import com.intellij.openapi.module.Module;
  27 import com.intellij.psi.PsiDirectory;
  28 import com.intellij.psi.PsiJavaFile;
  29 import com.intellij.psi.PsiPackage;
  30 import com.intellij.psi.search.GlobalSearchScope;
  31
  32 public class AnalysisScopeRule implements GetDataRule {
  33   public Object getData(final DataProvider dataProvider) {
  34     final Object psiFile = dataProvider.getData(LangDataKeys.PSI_FILE.getName());
  35     if (psiFile instanceof PsiJavaFile) {
  36       return new JavaAnalysisScope((PsiJavaFile)psiFile);
  37     }
  38     Object psiTarget = dataProvider.getData(LangDataKeys.PSI_ELEMENT.getName());
  39     if (psiTarget instanceof PsiPackage) {
  40       PsiPackage pack = (PsiPackage)psiTarget;
  41       if (!pack.getManager().isInProject(pack)) return null;
  42       PsiDirectory[] dirs = pack.getDirectories(GlobalSearchScope.projectScope(pack.getProject()));
  43       if (dirs.length == 0) return null;
  44       return new JavaAnalysisScope(pack, (Module)dataProvider.getData(LangDataKeys.MODULE.getName()));
  45     }
  46     return null;
  47   }
  48 }