diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/refactoring/JpaRenameMappingFileParticipant.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/refactoring/JpaRenameMappingFileParticipant.java | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/refactoring/JpaRenameMappingFileParticipant.java b/jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/refactoring/JpaRenameMappingFileParticipant.java deleted file mode 100644 index 6ee1373e46..0000000000 --- a/jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/refactoring/JpaRenameMappingFileParticipant.java +++ /dev/null @@ -1,203 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2010, 2012 Oracle. 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: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.jpa.core.internal.refactoring; - -import java.util.HashMap; -import java.util.Map; -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.resources.mapping.IResourceChangeDescriptionFactory; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.OperationCanceledException; -import org.eclipse.core.runtime.SubMonitor; -import org.eclipse.jpt.common.utility.internal.CollectionTools; -import org.eclipse.jpt.jpa.core.JpaProject; -import org.eclipse.jpt.jpa.core.JpaProjectManager; -import org.eclipse.jpt.jpa.core.JptJpaCorePlugin; -import org.eclipse.jpt.jpa.core.context.persistence.Persistence; -import org.eclipse.jpt.jpa.core.context.persistence.PersistenceUnit; -import org.eclipse.jpt.jpa.core.context.persistence.PersistenceXml; -import org.eclipse.ltk.core.refactoring.Change; -import org.eclipse.ltk.core.refactoring.CompositeChange; -import org.eclipse.ltk.core.refactoring.RefactoringStatus; -import org.eclipse.ltk.core.refactoring.TextChange; -import org.eclipse.ltk.core.refactoring.TextFileChange; -import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext; -import org.eclipse.ltk.core.refactoring.participants.RenameParticipant; -import org.eclipse.ltk.core.refactoring.participants.ResourceChangeChecker; -import org.eclipse.text.edits.MalformedTreeException; -import org.eclipse.text.edits.MultiTextEdit; -import org.eclipse.text.edits.ReplaceEdit; -import org.eclipse.text.edits.TextEdit; - -/** - * Participant in the rename refactoring of {@link IFile}s with content type {@link JptJpaCorePlugin#MAPPING_FILE_CONTENT_TYPE}. - * If the renamed mapping file is listed in a persistence.xml file of any JpaProject - * then a Change object is created that will rename that reference from the file. - * If the renamed mapping file is an implied mapping file, then an actual reference to the mapping file will be specified. - */ -public class JpaRenameMappingFileParticipant - extends RenameParticipant -{ - - /** - * Store the {@link IFile}s to be renamed with content type {@link JptJpaCorePlugin#MAPPING_FILE_CONTENT_TYPE} - */ - - protected IFile originalMappingFile; - - /** - * Store the persistence.xml ReplaceEdit in the checkConditions() call - * to avoid duplicated effort in createChange(). - */ - protected final Map<IFile, Iterable<ReplaceEdit>> persistenceXmlMappingFileReplaceEdits; - - public JpaRenameMappingFileParticipant() { - super(); - this.persistenceXmlMappingFileReplaceEdits = new HashMap<IFile, Iterable<ReplaceEdit>>(); - } - - @Override - public String getName() { - return JpaCoreRefactoringMessages.JPA_RENAME_MAPPING_FILE_REFACTORING_PARTICIPANT_NAME; - } - - @Override - protected boolean initialize(Object element) { - if (!getArguments().getUpdateReferences()) { - return false; - } - this.originalMappingFile = (IFile) element; - return true; - } - - - //**************** RefactoringParticipant implementation ***************** - - /** - * Inform the refactoring processor of any files that are going to change. In the process of determining - * this go ahead and build up the appropriate ReplaceEdits to be used in the createChange() - */ - @Override - public RefactoringStatus checkConditions(IProgressMonitor monitor, CheckConditionsContext context) throws OperationCanceledException { - //since the progress bar will hang if a large JPA project is being loaded, - //we can at least set the subtask and report no progress. Only happens first time getJpaProjectManager() is called. - monitor.subTask(JpaCoreRefactoringMessages.JPA_REFACORING_PARTICIPANT_LOADING_JPA_PROJECTS_SUB_TASK_NAME); - Iterable<JpaProject> jpaProjects = this.getJpaProjects(); - int size = CollectionTools.size(jpaProjects); - if (size == 0) { - return null; - } - SubMonitor sm = SubMonitor.convert(monitor, size*10 + 1); - sm.subTask(JpaCoreRefactoringMessages.JPA_RENAME_MAPPING_FILE_REFACTORING_SUB_TASK_NAME); - ResourceChangeChecker checker = (ResourceChangeChecker) context.getChecker(ResourceChangeChecker.class); - IResourceChangeDescriptionFactory deltaFactory = checker.getDeltaFactory(); - - for (JpaProject jpaProject : jpaProjects) { - this.createReplaceEdits(jpaProject); - sm.worked(10); - } - if (sm.isCanceled()) { - throw new OperationCanceledException(); - } - for (IFile persistenceXmlFile : this.persistenceXmlMappingFileReplaceEdits.keySet()) { - deltaFactory.change(persistenceXmlFile); - } - sm.worked(1); - - return null; - } - - protected Iterable<JpaProject> getJpaProjects() throws OperationCanceledException { - try { - return this.getJpaProjectManager().waitToGetJpaProjects(); - } catch (InterruptedException ex) { - throw new OperationCanceledException(ex.getMessage()); - } - } - - protected JpaProjectManager getJpaProjectManager() { - return (JpaProjectManager) ResourcesPlugin.getWorkspace().getAdapter(JpaProjectManager.class); - } - - protected void createReplaceEdits(JpaProject jpaProject) throws OperationCanceledException { - PersistenceUnit persistenceUnit = getPersistenceUnit(jpaProject); - if (persistenceUnit == null) { - return; - } - Iterable<ReplaceEdit> replaceEdits = this.createMappingFileRefReplaceEdits(persistenceUnit); - if (!CollectionTools.isEmpty(replaceEdits)) { - this.persistenceXmlMappingFileReplaceEdits.put(jpaProject.getPersistenceXmlResource().getFile(), replaceEdits); - } - } - - @Override - public Change createChange(IProgressMonitor monitor) throws CoreException, OperationCanceledException { - if (this.persistenceXmlMappingFileReplaceEdits.isEmpty()) { - return null; - } - SubMonitor sm = SubMonitor.convert(monitor, this.persistenceXmlMappingFileReplaceEdits.size()); - sm.subTask(JpaCoreRefactoringMessages.JPA_RENAME_MAPPING_FILE_REFACTORING_SUB_TASK_NAME); - CompositeChange compositeChange = new CompositeChange(JpaCoreRefactoringMessages.JPA_RENAME_MAPPING_FILE_REFACTORING_CHANGE_NAME); - for (IFile persistenceXmlFile : this.persistenceXmlMappingFileReplaceEdits.keySet()) { - if (sm.isCanceled()) { - throw new OperationCanceledException(); - } - this.addPersistenceXmlRenameMappingFileChange(persistenceXmlFile, compositeChange); - } - //must check for children in case all changes were made in other participants TextChanges, - //want to return null so our node does not appear in the preview tree - return compositeChange.getChildren().length == 0 ? null : compositeChange; - } - - private Iterable<ReplaceEdit> createMappingFileRefReplaceEdits(final PersistenceUnit persistenceUnit) { - return persistenceUnit.createRenameMappingFileEdits(this.originalMappingFile, getArguments().getNewName()); - } - - protected void addPersistenceXmlRenameMappingFileChange(IFile persistenceXmlFile, CompositeChange compositeChange) { - TextChange textChange = getTextChange(persistenceXmlFile); - if (textChange == null) { - textChange = new TextFileChange(JpaCoreRefactoringMessages.JPA_RENAME_MAPPING_FILE_REFACTORING_CHANGE_PERSISTENCE_XML_NAME, persistenceXmlFile); - MultiTextEdit multiTextEdit = new MultiTextEdit(); - textChange.setEdit(multiTextEdit); - compositeChange.add(textChange); - } - Iterable<ReplaceEdit> mappingFileReplaceEdits = this.persistenceXmlMappingFileReplaceEdits.get(persistenceXmlFile); - this.addEdits(textChange, mappingFileReplaceEdits); - } - - private PersistenceUnit getPersistenceUnit(JpaProject jpaProject) { - PersistenceXml persistenceXml = jpaProject.getRootContextNode().getPersistenceXml(); - if (persistenceXml == null) { - return null; - } - Persistence persistence = persistenceXml.getPersistence(); - if (persistence == null) { - return null; - } - if (persistence.getPersistenceUnitsSize() != 1) { - return null; // the context model currently only supports 1 persistence unit - } - return persistence.getPersistenceUnits().iterator().next(); - } - - private void addEdits(TextChange textChange, Iterable<? extends TextEdit> textEdits) { - for (TextEdit textEdit : textEdits) { - try { - textChange.addEdit(textEdit); - } - catch (MalformedTreeException e) { - //log exception and don't add this persistence.xml type deletion to the conflicting change object - JptJpaCorePlugin.log(e); - } - } - } -}
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