| /******************************************************************************* |
| * Copyright (c) 2000, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.refactoring.nls; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.text.edits.InsertEdit; |
| import org.eclipse.text.edits.TextEdit; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| |
| import org.eclipse.jface.text.Document; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.DocumentChange; |
| import org.eclipse.ltk.core.refactoring.TextChange; |
| import org.eclipse.ltk.core.refactoring.TextFileChange; |
| |
| import org.eclipse.jdt.internal.corext.codemanipulation.StubUtility; |
| import org.eclipse.jdt.internal.corext.refactoring.Checks; |
| import org.eclipse.jdt.internal.corext.refactoring.changes.TextChangeCompatibility; |
| import org.eclipse.jdt.internal.corext.refactoring.nls.changes.CreateTextFileChange; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| |
| public class NLSPropertyFileModifier { |
| |
| public static Change create(NLSSubstitution[] nlsSubstitutions, IPath propertyFilePath) throws CoreException { |
| |
| String name= Messages.format(NLSMessages.NLSPropertyFileModifier_change_name, propertyFilePath.toString()); |
| TextChange textChange= null; |
| if (!Checks.resourceExists(propertyFilePath)) { |
| IProject project= getFileHandle(propertyFilePath).getProject(); |
| String lineDelimiter= StubUtility.getLineDelimiterPreference(project); |
| Document document= new Document(); |
| document.setInitialLineDelimiter(lineDelimiter); |
| textChange= new DocumentChange(name, document); |
| addChanges(textChange, nlsSubstitutions); |
| textChange.perform(new NullProgressMonitor()); |
| return new CreateTextFileChange(propertyFilePath, textChange.getCurrentContent(new NullProgressMonitor()), "8859_1", "txt"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| textChange= new TextFileChange(name, getPropertyFile(propertyFilePath)); |
| |
| addChanges(textChange, nlsSubstitutions); |
| |
| return textChange; |
| } |
| |
| private static IFile getPropertyFile(IPath propertyFilePath) { |
| return (IFile) ResourcesPlugin.getWorkspace().getRoot().findMember(propertyFilePath); |
| } |
| |
| private static IFile getFileHandle(IPath propertyFilePath) { |
| if (propertyFilePath == null) |
| return null; |
| return ResourcesPlugin.getWorkspace().getRoot().getFile(propertyFilePath); |
| } |
| |
| private static void addChanges(TextChange textChange, NLSSubstitution[] substitutions) throws CoreException { |
| PropertyFileDocumentModel model= new PropertyFileDocumentModel(textChange.getCurrentDocument(new NullProgressMonitor())); |
| |
| Map newKeyToSubstMap= getNewKeyToSubstitutionMap(substitutions); |
| Map oldKeyToSubstMap= getOldKeyToSubstitutionMap(substitutions); |
| |
| addInsertEdits(textChange, substitutions, newKeyToSubstMap, oldKeyToSubstMap, model); |
| addRemoveEdits(textChange, substitutions, newKeyToSubstMap, oldKeyToSubstMap, model); |
| addReplaceEdits(textChange, substitutions, newKeyToSubstMap, oldKeyToSubstMap, model); |
| } |
| |
| /** |
| * Maps the new keys to a substitutions. If a substitution is not in the map then it is a duplicate. |
| */ |
| static HashMap getNewKeyToSubstitutionMap(NLSSubstitution[] substitutions) { |
| HashMap keyToSubstMap= new HashMap(substitutions.length); |
| // find all duplicates |
| for (int i= 0; i < substitutions.length; i++) { |
| NLSSubstitution curr= substitutions[i]; |
| if (curr.getState() == NLSSubstitution.EXTERNALIZED) { |
| NLSSubstitution val= (NLSSubstitution) keyToSubstMap.get(curr.getKey()); |
| if (val == null || (val.hasPropertyFileChange() && !curr.hasPropertyFileChange())) { |
| keyToSubstMap.put(curr.getKey(), curr); // store if first or if stored in new and we are existing |
| } |
| } |
| } |
| return keyToSubstMap; |
| } |
| |
| /** |
| * Maps the old keys to a substitutions. If a substitution is not in the map then it is a duplicate. |
| */ |
| static HashMap getOldKeyToSubstitutionMap(NLSSubstitution[] substitutions) { |
| HashMap keyToSubstMap= new HashMap(substitutions.length); |
| // find all duplicates |
| for (int i= 0; i < substitutions.length; i++) { |
| NLSSubstitution curr= substitutions[i]; |
| if (curr.getInitialState() == NLSSubstitution.EXTERNALIZED) { |
| String key= curr.getInitialKey(); |
| if (key != null) { |
| NLSSubstitution fav= (NLSSubstitution) keyToSubstMap.get(key); |
| if (fav == null || (fav.hasStateChanged() && !curr.hasStateChanged())) { |
| keyToSubstMap.put(key, curr); // store if first or if stored will not be externalized anymore |
| } |
| } |
| } |
| } |
| return keyToSubstMap; |
| } |
| |
| static boolean doReplace(NLSSubstitution substitution, Map newKeyToSubstMap, Map oldKeyToSubstMap) { |
| if (substitution.getState() != NLSSubstitution.EXTERNALIZED || substitution.hasStateChanged() || substitution.getInitialValue() == null) { |
| return false; // was not in property file before |
| } |
| if (oldKeyToSubstMap.get(substitution.getInitialKey()) != substitution) { |
| return false; // not the owner of this key |
| } |
| if (substitution.isKeyRename() || substitution.isValueRename()) { |
| if (newKeyToSubstMap.get(substitution.getKey()) == substitution) { // only rename if we're not a duplicate. duplicates will be removed |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private static void addReplaceEdits(TextChange textChange, NLSSubstitution[] substitutions, Map newKeyToSubstMap, Map oldKeyToSubstMap, PropertyFileDocumentModel model) { |
| for (int i= 0; i < substitutions.length; i++) { |
| NLSSubstitution substitution= substitutions[i]; |
| if (doReplace(substitution, newKeyToSubstMap, oldKeyToSubstMap)) { |
| KeyValuePair initialPair= new KeyValuePair(substitution.getInitialKey(), substitution.getInitialValue()); |
| KeyValuePair newPair= new KeyValuePair(substitution.getKey(), substitution.getValueNonEmpty()); |
| TextEdit edit= model.replace(initialPair, newPair); |
| if (edit != null) { |
| TextChangeCompatibility.addTextEdit(textChange, Messages.format(NLSMessages.NLSPropertyFileModifier_replace_entry, substitution.getKey()), edit); |
| } |
| } |
| } |
| } |
| |
| static boolean doInsert(NLSSubstitution substitution, Map newKeyToSubstMap, Map oldKeyToSubstMap) { |
| if (substitution.getState() != NLSSubstitution.EXTERNALIZED) { |
| return false; // does not go into the property file |
| } |
| if (!substitution.hasStateChanged() && substitution.getInitialValue() != null) { |
| if (!substitution.isKeyRename() || oldKeyToSubstMap.get(substitution.getInitialKey()) == substitution) { |
| return false; // no key rename and was not a duplicate |
| } |
| } |
| if (newKeyToSubstMap.get(substitution.getKey()) == substitution) { // only insert if we're not a duplicate |
| return true; |
| } |
| return false; |
| } |
| |
| private static void addInsertEdits(TextChange textChange, NLSSubstitution[] substitutions, Map newKeyToSubstMap, Map oldKeyToSubstMap, PropertyFileDocumentModel model) { |
| for (int i= 0; i < substitutions.length; i++) { |
| NLSSubstitution substitution= substitutions[i]; |
| if (doInsert(substitution, newKeyToSubstMap, oldKeyToSubstMap)) { |
| String value= substitution.getValueNonEmpty(); |
| KeyValuePair curr= new KeyValuePair(substitution.getKey(), value); |
| |
| InsertEdit insert= model.insert(curr); |
| String message= Messages.format(NLSMessages.NLSPropertyFileModifier_add_entry, curr.getKey()); |
| TextChangeCompatibility.addTextEdit(textChange, message, insert); |
| } |
| } |
| } |
| |
| static boolean doRemove(NLSSubstitution substitution, Map newKeyToSubstMap, Map oldKeyToSubstMap) { |
| if (substitution.getInitialState() != NLSSubstitution.EXTERNALIZED || substitution.getInitialKey() == null) { |
| return false; // was not in property file before |
| } |
| if (oldKeyToSubstMap.get(substitution.getInitialKey()) != substitution) { |
| return false; // not the owner of this key |
| } |
| if (substitution.hasStateChanged()) { |
| return true; // was externalized, but not anymore |
| } else { |
| if (substitution.hasPropertyFileChange() && newKeyToSubstMap.get(substitution.getKey()) != substitution) { |
| return true; // has been changed to an already existing |
| } |
| } |
| return false; |
| } |
| |
| private static void addRemoveEdits(TextChange textChange, NLSSubstitution[] substitutions, Map newKeyToSubstMap, Map oldKeyToSubstMap, PropertyFileDocumentModel model) { |
| for (int i= 0; i < substitutions.length; i++) { |
| NLSSubstitution substitution= substitutions[i]; |
| if (doRemove(substitution, newKeyToSubstMap, oldKeyToSubstMap)) { |
| TextEdit edit= model.remove(substitution.getInitialKey()); |
| if (edit != null) { |
| TextChangeCompatibility.addTextEdit(textChange, Messages.format(NLSMessages.NLSPropertyFileModifier_remove_entry, substitution.getInitialKey()), edit); |
| } |
| } |
| } |
| } |
| |
| } |