| /******************************************************************************* |
| * Copyright (c) 2007 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.core.internal.context.persistence; |
| |
| import java.util.List; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.jpt.core.JpaStructureNode; |
| import org.eclipse.jpt.core.context.JpaRootContextNode; |
| import org.eclipse.jpt.core.context.persistence.Persistence; |
| import org.eclipse.jpt.core.context.persistence.PersistenceUnit; |
| import org.eclipse.jpt.core.context.persistence.PersistenceXml; |
| import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages; |
| import org.eclipse.jpt.core.internal.validation.JpaValidationMessages; |
| import org.eclipse.jpt.core.resource.persistence.PersistenceFactory; |
| import org.eclipse.jpt.core.resource.persistence.PersistenceResource; |
| import org.eclipse.jpt.core.resource.persistence.XmlPersistence; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| |
| public class GenericPersistenceXml extends AbstractPersistenceJpaContextNode |
| implements PersistenceXml |
| { |
| protected PersistenceResource persistenceResource; |
| |
| protected Persistence persistence; |
| |
| |
| public GenericPersistenceXml(JpaRootContextNode parent, PersistenceResource persistenceResource) { |
| super(parent); |
| this.initialize(persistenceResource); |
| } |
| |
| public String getId() { |
| // isn't actually displayed, so needs no details page |
| return null; |
| } |
| |
| @Override |
| public JpaRootContextNode getParent() { |
| return (JpaRootContextNode) super.getParent(); |
| } |
| |
| @Override |
| public IResource getResource() { |
| return persistenceResource.getFile(); |
| } |
| |
| // **************** persistence ******************************************** |
| |
| public Persistence getPersistence() { |
| return persistence; |
| } |
| |
| public Persistence addPersistence() { |
| if (persistence != null) { |
| throw new IllegalStateException(); |
| } |
| |
| XmlPersistence xmlPersistence = PersistenceFactory.eINSTANCE.createXmlPersistence(); |
| persistence = buildPersistence(xmlPersistence); |
| persistenceResource.getContents().add(xmlPersistence); |
| firePropertyChanged(PERSISTENCE_PROPERTY, null, persistence); |
| return persistence; |
| } |
| |
| public void removePersistence() { |
| if (persistence == null) { |
| throw new IllegalStateException(); |
| } |
| this.persistence.dispose(); |
| Persistence oldPersistence = persistence; |
| persistence = null; |
| XmlPersistence xmlPersistence = persistenceResource.getPersistence(); |
| persistenceResource.getContents().remove(xmlPersistence); |
| firePropertyChanged(PERSISTENCE_PROPERTY, oldPersistence, null); |
| } |
| |
| protected void setPersistence_(Persistence newPersistence) { |
| Persistence oldPersistence = persistence; |
| persistence = newPersistence; |
| firePropertyChanged(PERSISTENCE_PROPERTY, oldPersistence, newPersistence); |
| } |
| |
| |
| // **************** updating *********************************************** |
| |
| protected void initialize(PersistenceResource persistenceResource) { |
| this.persistenceResource = persistenceResource; |
| if (persistenceResource.getPersistence() != null) { |
| this.persistence = buildPersistence(persistenceResource.getPersistence()); |
| } |
| } |
| |
| public void update(PersistenceResource persistenceResource) { |
| this.persistenceResource = persistenceResource; |
| if (persistenceResource.getPersistence() != null) { |
| if (this.persistence != null) { |
| this.persistence.update(persistenceResource.getPersistence()); |
| } |
| else { |
| setPersistence_(buildPersistence(persistenceResource.getPersistence())); |
| } |
| } |
| else { |
| if (getPersistence() != null) { |
| getPersistence().dispose(); |
| } |
| setPersistence_(null); |
| } |
| } |
| |
| protected Persistence buildPersistence(XmlPersistence xmlPersistence) { |
| return getJpaFactory().buildPersistence(this, xmlPersistence); |
| } |
| |
| |
| // ************************************************************************* |
| |
| @Override |
| public PersistenceUnit getPersistenceUnit() { |
| throw new UnsupportedOperationException("No PersistenceUnit in this context"); |
| } |
| |
| |
| public JpaStructureNode getStructureNode(int textOffset) { |
| if (persistence.containsOffset(textOffset)) { |
| return persistence.getStructureNode(textOffset); |
| } |
| return this; |
| } |
| |
| // never actually selected |
| public TextRange getSelectionTextRange() { |
| return TextRange.Empty.instance(); |
| } |
| |
| public TextRange getValidationTextRange() { |
| return TextRange.Empty.instance(); |
| } |
| |
| |
| // **************** validation ********************************************* |
| |
| private boolean okToContinueValidation = true; |
| |
| @Override |
| public void addToMessages(List<IMessage> messages) { |
| super.addToMessages(messages); |
| addInvalidPersistenceXmlContentMessage(messages); |
| |
| if (okToContinueValidation){ |
| getPersistence().addToMessages(messages); |
| } |
| } |
| |
| protected void addInvalidPersistenceXmlContentMessage(List<IMessage> messages) { |
| if (this.persistence == null) { |
| messages.add( |
| DefaultJpaValidationMessages.buildMessage( |
| IMessage.HIGH_SEVERITY, |
| JpaValidationMessages.PERSISTENCE_XML_INVALID_CONTENT, |
| this) |
| ); |
| okToContinueValidation = false; |
| } |
| } |
| |
| public void dispose() { |
| this.persistence.dispose(); |
| } |
| } |