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/*
* Copyright 2000-2011 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.
*/
/*
* User: anna
* Date: 05-Aug-2009
*/
package com.intellij.refactoring.move.moveClassesOrPackages;
import com.intellij.codeInsight.ChangeContextUtil;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.roots.JavaProjectRootsUtil;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.*;
import com.intellij.refactoring.move.moveFilesOrDirectories.MoveFileHandler;
import com.intellij.refactoring.util.MoveRenameUsageInfo;
import com.intellij.usageView.UsageInfo;
import com.intellij.util.IncorrectOperationException;
import com.intellij.psi.util.FileTypeUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
public class MoveJavaFileHandler extends MoveFileHandler {
private static final Logger LOG = Logger.getInstance("#com.intellij.refactoring.move.moveClassesOrPackages.MoveJavaFileHandler");
@Override
public boolean canProcessElement(PsiFile element) {
return element instanceof PsiJavaFile &&
!FileTypeUtils.isInServerPageFile(element) &&
!JavaProjectRootsUtil.isOutsideJavaSourceRoot(element) &&
!(element instanceof PsiCompiledElement);
}
@Override
public void prepareMovedFile(PsiFile file, PsiDirectory moveDestination, Map<PsiElement, PsiElement> oldToNewMap) {
final PsiJavaFile javaFile = (PsiJavaFile)file;
ChangeContextUtil.encodeContextInfo(javaFile, true);
for (PsiClass psiClass : javaFile.getClasses()) {
oldToNewMap.put(psiClass, MoveClassesOrPackagesUtil.doMoveClass(psiClass, moveDestination));
}
}
public List<UsageInfo> findUsages(PsiFile psiFile, PsiDirectory newParent, boolean searchInComments, boolean searchInNonJavaFiles) {
final List<UsageInfo> result = new ArrayList<UsageInfo>();
final PsiPackage newParentPackage = JavaDirectoryService.getInstance().getPackage(newParent);
final String qualifiedName = newParentPackage == null ? "" : newParentPackage.getQualifiedName();
for (PsiClass aClass : ((PsiJavaFile)psiFile).getClasses()) {
Collections.addAll(result, MoveClassesOrPackagesUtil.findUsages(aClass, searchInComments, searchInNonJavaFiles,
StringUtil.getQualifiedName(qualifiedName, aClass.getName())));
}
return result.isEmpty() ? null : result;
}
@Override
public void retargetUsages(List<UsageInfo> usageInfos, Map<PsiElement, PsiElement> oldToNewMap) {
for (UsageInfo usage : usageInfos) {
if (usage instanceof MoveRenameUsageInfo) {
final MoveRenameUsageInfo moveRenameUsage = (MoveRenameUsageInfo)usage;
final PsiElement oldElement = moveRenameUsage.getReferencedElement();
final PsiElement newElement = oldToNewMap.get(oldElement);
final PsiReference reference = moveRenameUsage.getReference();
if (reference != null) {
try {
LOG.assertTrue(newElement != null, oldElement != null ? oldElement : reference);
reference.bindToElement(newElement);
} catch (IncorrectOperationException ex) {
LOG.error(ex);
}
}
}
}
}
@Override
public void updateMovedFile(PsiFile file) throws IncorrectOperationException {
ChangeContextUtil.decodeContextInfo(file, null, null);
final PsiDirectory containingDirectory = file.getContainingDirectory();
if (containingDirectory != null) {
final PsiPackage aPackage = JavaDirectoryService.getInstance().getPackage(containingDirectory);
if (aPackage != null) {
final String qualifiedName = aPackage.getQualifiedName();
final PsiNameHelper helper = JavaPsiFacade.getInstance(file.getProject()).getNameHelper();
final PsiPackageStatement packageStatement = !StringUtil.isEmptyOrSpaces(qualifiedName) && helper.isQualifiedName(qualifiedName)
? JavaPsiFacade.getElementFactory(file.getProject()).createPackageStatement(qualifiedName)
: null;
if (file instanceof PsiJavaFile) {
final PsiPackageStatement filePackageStatement = ((PsiJavaFile)file).getPackageStatement();
if (filePackageStatement != null) {
if (packageStatement != null) {
filePackageStatement.getPackageReference().replace(packageStatement.getPackageReference());
} else {
filePackageStatement.delete();
}
}
}
}
}
}
}
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