| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // rbarkhouse - 2009-05-05 14:32:00 - initial implementation |
| package org.eclipse.persistence.oxm.mappings.converters; |
| |
| import java.security.AccessController; |
| import java.security.PrivilegedActionException; |
| |
| import org.eclipse.persistence.exceptions.ValidationException; |
| import org.eclipse.persistence.internal.oxm.XMLConversionManager; |
| import org.eclipse.persistence.internal.oxm.mappings.Field; |
| import org.eclipse.persistence.internal.security.PrivilegedClassForName; |
| import org.eclipse.persistence.mappings.DatabaseMapping; |
| import org.eclipse.persistence.mappings.converters.Converter; |
| import org.eclipse.persistence.oxm.mappings.XMLCompositeDirectCollectionMapping; |
| import org.eclipse.persistence.sessions.Session; |
| |
| /** |
| * <p><b>Purpose:</b> Provides an implementation of Converter that can be used to convert a |
| * collection of Objects into a space separated list of Strings and back. Used with |
| * XMLCompositeDirectCollectionMapping to implement the behaviour of the XmlList annotation |
| * |
| * @see XMLCompositeDirectCollectionMapping |
| * @see XMLConverter |
| * @see Converter |
| */ |
| public class XMLListConverter implements Converter { |
| |
| private XMLConversionManager conversionManager; |
| private XMLCompositeDirectCollectionMapping mapping; |
| private Class<?> objectClass = null; |
| private String objectClassName = null; |
| |
| @Override |
| public Object convertDataValueToObjectValue(Object dataValue, Session session) { |
| return this.conversionManager.convertStringToList(dataValue, getObjectClass(), mapping.getContainerPolicy(), ((Field)mapping.getField()).getSchemaType()); |
| } |
| |
| @Override |
| public Object convertObjectValueToDataValue(Object objectValue, Session session) { |
| return this.conversionManager.convertListToString(objectValue, ((Field)mapping.getField()).getSchemaType()); |
| } |
| |
| @Override |
| public void initialize(DatabaseMapping mapping, Session session) { |
| this.conversionManager = (XMLConversionManager) session.getDatasourcePlatform().getConversionManager(); |
| this.mapping = (XMLCompositeDirectCollectionMapping) mapping; |
| |
| try { |
| if (getObjectClassName() != null) { |
| ClassLoader loader = session.getDatasourcePlatform().getConversionManager().getLoader(); |
| Class<Object> aClass = AccessController.doPrivileged(new PrivilegedClassForName<>(getObjectClassName(), true, loader)); |
| setObjectClass(aClass); |
| } |
| } catch (PrivilegedActionException pae) { |
| throw ValidationException.classNotFoundWhileConvertingClassNames(getObjectClassName(), pae.getException()); |
| } |
| } |
| |
| @Override |
| public boolean isMutable() { |
| return false; |
| } |
| |
| /** |
| * Get the Class name of the elements of this collection's "sub-collection". |
| * Only applicable for DirectCollections of Lists (for example, for an |
| * ArrayList<ArrayList<Double>>, FieldSubElementClassName would be "java.lang.Double"). |
| * @return String the name of the Class of the elements of this collection's "sub-collection" |
| */ |
| public String getObjectClassName() { |
| return objectClassName; |
| } |
| |
| /** |
| * Set the Class name of the elements of this collection's "sub-collection". |
| * Only applicable for DirectCollections of Lists (for example, for an |
| * ArrayList<ArrayList<Double>>, FieldSubElementClassName would be "java.lang.Double"). |
| * @param aClassName the name of the Class of the elements of this collection's "sub-collection" |
| */ |
| public void setObjectClassName(String aClassName) { |
| objectClassName = aClassName; |
| } |
| |
| /** |
| * Get the Class of the elements of this collection's "sub-collection". |
| * Only applicable for DirectCollections of Lists (for example, for an |
| * ArrayList<ArrayList<Double>>, FieldSubElementClass would be java.lang.Double.class). |
| * @return Class the Class of the elements of this collection's "sub-collection" |
| */ |
| public Class<?> getObjectClass() { |
| return objectClass; |
| } |
| |
| /** |
| * Set the Class of the elements of this collection's "sub-collection". |
| * Only applicable for DirectCollections of Lists (for example, for an |
| * ArrayList<ArrayList<Double>>, FieldSubElementClass would be java.lang.Double.class). |
| * @param aClass the Class of the elements of this collection's "sub-collection" |
| */ |
| public void setObjectClass(Class<?> aClass) { |
| this.objectClass = aClass; |
| if (this.objectClassName == null) { |
| this.objectClassName = aClass.getName(); |
| } |
| } |
| |
| } |