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/*
* Copyright 2000-2013 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 com.intellij.psi.impl.source.tree.java;
import com.intellij.lang.ASTNode;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.tree.*;
import com.intellij.psi.tree.ChildRoleBase;
import com.intellij.psi.tree.IElementType;
import org.jetbrains.annotations.NotNull;
public class PsiPackageStatementImpl extends CompositePsiElement implements PsiPackageStatement {
private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.source.tree.java.PsiPackageStatementImpl");
public PsiPackageStatementImpl() {
super(JavaElementType.PACKAGE_STATEMENT);
}
@Override
public PsiJavaCodeReferenceElement getPackageReference() {
return (PsiJavaCodeReferenceElement)findChildByRoleAsPsiElement(ChildRole.PACKAGE_REFERENCE);
}
@Override
public String getPackageName() {
PsiJavaCodeReferenceElement ref = getPackageReference();
return ref == null ? null : SourceUtil.getReferenceText(ref);
}
@Override
public PsiModifierList getAnnotationList() {
return (PsiModifierList)findChildByRoleAsPsiElement(ChildRole.MODIFIER_LIST);
}
@Override
public ASTNode findChildByRole(int role) {
LOG.assertTrue(ChildRole.isUnique(role));
switch(role){
default:
return null;
case ChildRole.PACKAGE_KEYWORD:
return findChildByType(JavaTokenType.PACKAGE_KEYWORD);
case ChildRole.PACKAGE_REFERENCE:
return findChildByType(JavaElementType.JAVA_CODE_REFERENCE);
case ChildRole.CLOSING_SEMICOLON:
return TreeUtil.findChildBackward(this, JavaTokenType.SEMICOLON);
case ChildRole.MODIFIER_LIST:
return findChildByType(JavaElementType.MODIFIER_LIST);
}
}
@Override
public int getChildRole(ASTNode child) {
LOG.assertTrue(child.getTreeParent() == this);
IElementType i = child.getElementType();
if (i == JavaTokenType.PACKAGE_KEYWORD) {
return ChildRole.PACKAGE_KEYWORD;
}
else if (i == JavaElementType.JAVA_CODE_REFERENCE) {
return ChildRole.PACKAGE_REFERENCE;
}
else if (i == JavaTokenType.SEMICOLON) {
return ChildRole.CLOSING_SEMICOLON;
}
else if (i == JavaElementType.MODIFIER_LIST) {
return ChildRole.MODIFIER_LIST;
}
else {
return ChildRoleBase.NONE;
}
}
@Override
public void accept(@NotNull PsiElementVisitor visitor) {
if (visitor instanceof JavaElementVisitor) {
((JavaElementVisitor)visitor).visitPackageStatement(this);
}
else {
visitor.visitElement(this);
}
}
public String toString() {
return "PsiPackageStatement:" + getPackageName();
}
}
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