org.jetbrains.jet.lang.resolve.kotlin.VirtualFileKotlinClassFinder Maven / Gradle / Ivy
/*
* Copyright 2010-2013 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 org.jetbrains.jet.lang.resolve.kotlin;
import com.intellij.ide.highlighter.JavaClassFileType;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.lang.resolve.java.structure.JavaClass;
import org.jetbrains.jet.lang.resolve.java.structure.impl.JavaClassImpl;
import org.jetbrains.jet.lang.resolve.name.FqName;
public abstract class VirtualFileKotlinClassFinder implements VirtualFileFinder {
@Nullable
@Override
public KotlinJvmBinaryClass findKotlinClass(@NotNull FqName fqName) {
VirtualFile file = findVirtualFileWithHeader(fqName);
return file == null ? null : KotlinBinaryClassCache.getKotlinBinaryClass(file);
}
@Override
@Nullable
public KotlinJvmBinaryClass findKotlinClass(@NotNull JavaClass javaClass) {
VirtualFile file = ((JavaClassImpl) javaClass).getPsi().getContainingFile().getVirtualFile();
if (file == null) return null;
if (javaClass.getOuterClass() != null) {
// For nested classes we get a file of the containing class, to get the actual class file for A.B.C,
// we take the file for A, take its parent directory, then in this directory we look for A$B$C.class
file = file.getParent().findChild(classFileName(javaClass) + ".class");
assert file != null : "Virtual file not found for " + javaClass;
}
if (file.getFileType() != JavaClassFileType.INSTANCE) return null;
return KotlinBinaryClassCache.getKotlinBinaryClass(file);
}
@NotNull
private static String classFileName(@NotNull JavaClass jClass) {
JavaClass outerClass = jClass.getOuterClass();
if (outerClass == null) return jClass.getName().asString();
return classFileName(outerClass) + "$" + jClass.getName().asString();
}
}