| /* |
| * 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.refactoring.migration; |
| |
| import com.intellij.history.LocalHistory; |
| import com.intellij.history.LocalHistoryAction; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.extensions.Extensions; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.ui.Messages; |
| import com.intellij.openapi.util.Ref; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiMigration; |
| import com.intellij.psi.impl.migration.PsiMigrationManager; |
| import com.intellij.refactoring.BaseRefactoringProcessor; |
| import com.intellij.refactoring.RefactoringBundle; |
| import com.intellij.refactoring.RefactoringHelper; |
| import com.intellij.usageView.UsageInfo; |
| import com.intellij.usageView.UsageViewDescriptor; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * @author ven |
| */ |
| class MigrationProcessor extends BaseRefactoringProcessor { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.refactoring.migration.MigrationProcessor"); |
| private final MigrationMap myMigrationMap; |
| private static final String REFACTORING_NAME = RefactoringBundle.message("migration.title"); |
| private PsiMigration myPsiMigration; |
| |
| public MigrationProcessor(Project project, MigrationMap migrationMap) { |
| super(project); |
| myMigrationMap = migrationMap; |
| myPsiMigration = startMigration(project); |
| } |
| |
| @NotNull |
| protected UsageViewDescriptor createUsageViewDescriptor(UsageInfo[] usages) { |
| return new MigrationUsagesViewDescriptor(myMigrationMap, false); |
| } |
| |
| private PsiMigration startMigration(Project project) { |
| final PsiMigration migration = PsiMigrationManager.getInstance(project).startMigration(); |
| findOrCreateEntries(project, migration); |
| return migration; |
| } |
| |
| private void findOrCreateEntries(Project project, final PsiMigration migration) { |
| for (int i = 0; i < myMigrationMap.getEntryCount(); i++) { |
| MigrationMapEntry entry = myMigrationMap.getEntryAt(i); |
| if (entry.getType() == MigrationMapEntry.PACKAGE) { |
| MigrationUtil.findOrCreatePackage(project, migration, entry.getOldName()); |
| } |
| else { |
| MigrationUtil.findOrCreateClass(project, migration, entry.getOldName()); |
| } |
| } |
| } |
| |
| @Override |
| protected void refreshElements(PsiElement[] elements) { |
| myPsiMigration = startMigration(myProject); |
| } |
| |
| @NotNull |
| protected UsageInfo[] findUsages() { |
| ArrayList<UsageInfo> usagesVector = new ArrayList<UsageInfo>(); |
| try { |
| if (myMigrationMap == null) { |
| return UsageInfo.EMPTY_ARRAY; |
| } |
| for (int i = 0; i < myMigrationMap.getEntryCount(); i++) { |
| MigrationMapEntry entry = myMigrationMap.getEntryAt(i); |
| UsageInfo[] usages; |
| if (entry.getType() == MigrationMapEntry.PACKAGE) { |
| usages = MigrationUtil.findPackageUsages(myProject, myPsiMigration, entry.getOldName()); |
| } |
| else { |
| usages = MigrationUtil.findClassUsages(myProject, myPsiMigration, entry.getOldName()); |
| } |
| |
| for (UsageInfo usage : usages) { |
| usagesVector.add(new MigrationUsageInfo(usage, entry)); |
| } |
| } |
| } |
| finally { |
| myPsiMigration.finish(); |
| myPsiMigration = null; |
| } |
| return usagesVector.toArray(new MigrationUsageInfo[usagesVector.size()]); |
| } |
| |
| protected boolean preprocessUsages(Ref<UsageInfo[]> refUsages) { |
| if (refUsages.get().length == 0) { |
| Messages.showInfoMessage(myProject, RefactoringBundle.message("migration.no.usages.found.in.the.project"), REFACTORING_NAME); |
| return false; |
| } |
| setPreviewUsages(true); |
| return true; |
| } |
| |
| protected void performRefactoring(UsageInfo[] usages) { |
| final PsiMigration psiMigration = PsiMigrationManager.getInstance(myProject).startMigration(); |
| LocalHistoryAction a = LocalHistory.getInstance().startAction(getCommandName()); |
| |
| try { |
| for (int i = 0; i < myMigrationMap.getEntryCount(); i++) { |
| MigrationMapEntry entry = myMigrationMap.getEntryAt(i); |
| if (entry.getType() == MigrationMapEntry.PACKAGE) { |
| MigrationUtil.doPackageMigration(myProject, psiMigration, entry.getNewName(), usages); |
| } |
| if (entry.getType() == MigrationMapEntry.CLASS) { |
| MigrationUtil.doClassMigration(myProject, psiMigration, entry.getNewName(), usages); |
| } |
| } |
| |
| for(RefactoringHelper helper: Extensions.getExtensions(RefactoringHelper.EP_NAME)) { |
| Object preparedData = helper.prepareOperation(usages); |
| //noinspection unchecked |
| helper.performOperation(myProject, preparedData); |
| } |
| } |
| finally { |
| a.finish(); |
| psiMigration.finish(); |
| } |
| } |
| |
| |
| protected String getCommandName() { |
| return REFACTORING_NAME; |
| } |
| |
| public static class MigrationUsageInfo extends UsageInfo { |
| public MigrationMapEntry mapEntry; |
| |
| public MigrationUsageInfo(UsageInfo info, MigrationMapEntry mapEntry) { |
| super(info.getElement(), info.getRangeInElement().getStartOffset(), info.getRangeInElement().getEndOffset()); |
| this.mapEntry = mapEntry; |
| } |
| } |
| } |