| /* |
| * Copyright 2000-2009 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.java; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.psi.JavaTokenType; |
| import com.intellij.psi.PsiKeyword; |
| import com.intellij.psi.impl.source.tree.JavaElementType; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.psi.tree.ChildRoleBase; |
| import com.intellij.psi.impl.source.tree.ChildRole; |
| import com.intellij.lang.ASTNode; |
| |
| /** |
| * @author dsl |
| */ |
| public class ImplementsListElement extends ReferenceListElement { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.source.tree.java.ImplementsListElement"); |
| |
| public ImplementsListElement() { |
| super(JavaElementType.IMPLEMENTS_LIST); |
| } |
| |
| @Override |
| protected String getKeywordText() { |
| return PsiKeyword.IMPLEMENTS; |
| } |
| |
| @Override |
| protected IElementType getKeywordType() { |
| return JavaTokenType.IMPLEMENTS_KEYWORD; |
| } |
| |
| @Override |
| public ASTNode findChildByRole(int role) { |
| LOG.assertTrue(ChildRole.isUnique(role)); |
| switch(role){ |
| default: |
| return null; |
| |
| case ChildRole.EXTENDS_KEYWORD: |
| return findChildByType(JavaTokenType.EXTENDS_KEYWORD); |
| } |
| } |
| |
| @Override |
| public int getChildRole(ASTNode child) { |
| LOG.assertTrue(child.getTreeParent() == this); |
| IElementType i = child.getElementType(); |
| if (i == JavaTokenType.IMPLEMENTS_KEYWORD) { |
| return ChildRole.IMPLEMENTS_KEYWORD; |
| } |
| else if (i == JavaTokenType.COMMA) { |
| return ChildRole.COMMA; |
| } |
| else if (i == JavaElementType.JAVA_CODE_REFERENCE) { |
| return ChildRole.REFERENCE_IN_LIST; |
| } |
| else { |
| return ChildRoleBase.NONE; |
| } |
| } |
| } |