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/*
* Copyright 2000-2014 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.impl.source.tree;
import com.intellij.lang.ASTNode;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.SourceJavaCodeReference;
import com.intellij.util.CharTable;
import org.jetbrains.annotations.NotNull;
public class JavaSourceUtil {
private JavaSourceUtil() { }
public static void fullyQualifyReference(@NotNull CompositeElement reference, @NotNull PsiClass targetClass) {
if (((SourceJavaCodeReference)reference).isQualified()) { // qualified reference
final PsiClass parentClass = targetClass.getContainingClass();
if (parentClass == null) return;
final ASTNode qualifier = reference.findChildByRole(ChildRole.QUALIFIER);
if (qualifier instanceof SourceJavaCodeReference) {
((SourceJavaCodeReference)qualifier).fullyQualify(parentClass);
}
}
else { // unqualified reference, need to qualify with package name
final String qName = targetClass.getQualifiedName();
if (qName == null) {
return; // todo: local classes?
}
final int i = qName.lastIndexOf('.');
if (i > 0) {
final String prefix = qName.substring(0, i);
final PsiManager manager = reference.getManager();
final PsiJavaParserFacade parserFacade = JavaPsiFacade.getInstance(manager.getProject()).getParserFacade();
final TreeElement qualifier;
if (reference instanceof PsiReferenceExpression) {
qualifier = (TreeElement)parserFacade.createExpressionFromText(prefix, null).getNode();
}
else {
qualifier = (TreeElement)parserFacade.createReferenceFromText(prefix, null).getNode();
}
if (qualifier != null) {
final CharTable systemCharTab = SharedImplUtil.findCharTableByTree(qualifier);
final LeafElement dot = Factory.createSingleLeafElement(JavaTokenType.DOT, ".", 0, 1, systemCharTab, manager);
qualifier.rawInsertAfterMe(dot);
reference.addInternal(qualifier, dot, null, Boolean.FALSE);
}
}
}
}
}
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