/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Emil Ong
*/
package com.caucho.jaxb.property;
import javax.xml.bind.DatatypeConverter;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
import java.util.Set;
public class XmlListCollectionProperty extends CDataProperty {
private final CDataProperty _componentProperty;
private final Constructor _collectionConstructor;
public XmlListCollectionProperty(CDataProperty componentProperty,
Class collectionType)
throws JAXBException
{
_componentProperty = componentProperty;
try {
if (collectionType.isInterface() ||
Modifier.isAbstract(collectionType.getModifiers())) {
if (List.class.isAssignableFrom(collectionType))
_collectionConstructor = ArrayList.class.getConstructor();
else if (Set.class.isAssignableFrom(collectionType))
_collectionConstructor = LinkedHashSet.class.getConstructor();
else if (Queue.class.isAssignableFrom(collectionType))
_collectionConstructor = LinkedList.class.getConstructor();
else if (Collection.class.isAssignableFrom(collectionType))
_collectionConstructor = ArrayList.class.getConstructor();
else
_collectionConstructor = null;
}
else
_collectionConstructor = collectionType.getConstructor();
}
catch (Exception e) {
throw new JAXBException(e);
}
if (_collectionConstructor == null)
throw new JAXBException(L.l("Cannot instantiate interface or abstract class: {0}", collectionType));
}
public String write(Object in)
throws IOException, JAXBException
{
if (in == null)
return "";
StringBuilder sb = new StringBuilder();
for (Object o : (Collection) in) {
sb.append(_componentProperty.write(o));
sb.append(' ');
}
if (sb.length() > 0)
sb.deleteCharAt(sb.length() - 1);
return sb.toString();
}
protected Object read(String in)
throws IOException, JAXBException
{
String[] tokens = in.split("\\s+");
try {
Collection collection = (Collection) _collectionConstructor.newInstance();
for (int i = 0; i < tokens.length; i++)
collection.add(_componentProperty.read(tokens[i]));
return collection;
}
catch (JAXBException e) {
throw e;
}
catch (Exception e) {
throw new JAXBException(e);
}
}
public QName getSchemaType()
{
return _componentProperty.getSchemaType();
}
}