plugins/java-i18n/src/com/intellij/lang/properties/PropertiesReferenceContributor.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.lang.properties;
  17
  18 import com.intellij.codeInsight.AnnotationUtil;
  19 import com.intellij.lang.properties.psi.impl.PropertyValueImpl;
  20 import com.intellij.patterns.PsiJavaPatterns;
  21 import static com.intellij.patterns.PsiJavaPatterns.literalExpression;
  22 import static com.intellij.patterns.PsiJavaPatterns.psiNameValuePair;
  23 import com.intellij.psi.*;
  24 import com.intellij.psi.impl.source.resolve.reference.impl.providers.JavaClassReferenceProvider;
  25 import com.intellij.util.ProcessingContext;
  26 import org.jetbrains.annotations.NotNull;
  27
  28 /**
  29  * @author peter
  30  */
  31 public class PropertiesReferenceContributor extends PsiReferenceContributor{
  32   public void registerReferenceProviders(final PsiReferenceRegistrar registrar) {
  33     registrar.registerReferenceProvider(literalExpression(), new PropertiesReferenceProvider(true));
  34     registrar.registerReferenceProvider(literalExpression().withParent(
  35       psiNameValuePair().withName(AnnotationUtil.PROPERTY_KEY_RESOURCE_BUNDLE_PARAMETER)),
  36                                         new ResourceBundleReferenceProvider());
  37
  38     registrar.registerReferenceProvider(PsiJavaPatterns.psiElement(PropertyValueImpl.class), new PsiReferenceProvider() {
  39       @NotNull
  40       @Override
  41       public PsiReference[] getReferencesByElement(@NotNull PsiElement element, @NotNull ProcessingContext context) {
  42         String text = element.getText();
  43         String[] words = text.split("\\s");
  44         if (words.length != 1) return PsiReference.EMPTY_ARRAY;
  45         return new JavaClassReferenceProvider(element.getProject()){
  46           public boolean isSoft() {
  47             return true;
  48           }
  49         }.getReferencesByString(words[0], element, 0);
  50       }
  51     });
  52   }
  53 }