diff --git a/java/java-psi-impl/java-psi-impl.iml b/java/java-psi-impl/java-psi-impl.iml
index ccd2d51410f9..6c15172b7e3d 100644
--- a/java/java-psi-impl/java-psi-impl.iml
+++ b/java/java-psi-impl/java-psi-impl.iml
@@ -12,6 +12,7 @@
     <orderEntry type="module" module-name="resources-en" />
     <orderEntry type="library" name="Guava" level="project" />
     <orderEntry type="library" name="asm" level="project" />
+    <orderEntry type="module" module-name="platform-api" />
   </component>
 </module>
 
diff --git a/java/java-psi-impl/src/com/intellij/psi/impl/compiled/ClsFileImpl.java b/java/java-psi-impl/src/com/intellij/psi/impl/compiled/ClsFileImpl.java
index 2d438b251553..0839f23eeee9 100644
--- a/java/java-psi-impl/src/com/intellij/psi/impl/compiled/ClsFileImpl.java
+++ b/java/java-psi-impl/src/com/intellij/psi/impl/compiled/ClsFileImpl.java
@@ -23,6 +23,9 @@ import com.intellij.lang.FileASTNode;
 import com.intellij.lang.java.JavaLanguage;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.extensions.Extensions;
+import com.intellij.openapi.fileTypes.ContentBasedClassFileProcessor;
+import com.intellij.openapi.fileTypes.ContentBasedFileSubstitutor;
 import com.intellij.openapi.fileTypes.FileType;
 import com.intellij.openapi.progress.NonCancelableSection;
 import com.intellij.openapi.progress.ProgressIndicatorProvider;
@@ -54,7 +57,7 @@ import java.lang.ref.SoftReference;
 import java.util.*;
 
 public class ClsFileImpl extends ClsRepositoryPsiElement<PsiClassHolderFileStub> implements PsiJavaFile, PsiFileWithStubSupport, PsiFileEx,
-                                                                                            Queryable, PsiClassOwnerEx {
+                                                                                            Queryable, PsiClassOwnerEx, PsiCompiledFile {
   private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.compiled.ClsFileImpl");
 
   /** YOU absolutely MUST NOT hold PsiLock under the MIRROR_LOCK */
@@ -313,6 +316,19 @@ public class ClsFileImpl extends ClsRepositoryPsiElement<PsiClassHolderFileStub>
     }
   }
 
+  @Override
+  public PsiFile getDecompiledPsiFile() {
+    for (ContentBasedFileSubstitutor processor : Extensions.getExtensions(ContentBasedFileSubstitutor.EP_NAME)) {
+      if (processor instanceof ContentBasedClassFileProcessor && processor.isApplicable(getProject(), getVirtualFile())) {
+        PsiFile decompiledPsiFile = ((ContentBasedClassFileProcessor)processor).getDecompiledPsiFile(this);
+        if (decompiledPsiFile != null) {
+          return decompiledPsiFile;
+        }
+      }
+    }
+    return (PsiFile) getMirror();
+  }
+
   @Override
   public long getModificationStamp() {
     return getVirtualFile().getModificationStamp();
@@ -365,7 +381,7 @@ public class ClsFileImpl extends ClsRepositoryPsiElement<PsiClassHolderFileStub>
     ClsFileImpl psiFile = null;
     if (provider != null) {
       final PsiFile psi = provider.getPsi(provider.getBaseLanguage());
-      if (psi instanceof ClsFileImpl) {
+      if (psi instanceof PsiCompiledFile) {
         psiFile = (ClsFileImpl)psi;
       }
     }
diff --git a/platform/core-api/src/com/intellij/psi/PsiCompiledFile.java b/platform/core-api/src/com/intellij/psi/PsiCompiledFile.java
new file mode 100644
index 000000000000..31b082e6a004
--- /dev/null
+++ b/platform/core-api/src/com/intellij/psi/PsiCompiledFile.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2000-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.psi;
+
+/**
+ * @author Evgeny Gerashchenko
+ * @since 3/1/12
+ */
+public interface PsiCompiledFile extends PsiFile, PsiCompiledElement {
+  PsiFile getDecompiledPsiFile();
+}