/*
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.xml.internal.ws.spi.db;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.NoSuchElementException;
import javax.xml.bind.JAXBException;
import javax.xml.bind.attachment.AttachmentMarshaller;
import javax.xml.bind.attachment.AttachmentUnmarshaller;
import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import org.w3c.dom.Node;
import org.xml.sax.ContentHandler;
/**
* RepeatedElementBridge
*
* @author shih-chang.chen@oracle.com
*/
@SuppressWarnings({"rawtypes", "unchecked"})
public class RepeatedElementBridge<T> implements XMLBridge<T> {
XMLBridge<T> delegate;
CollectionHandler collectionHandler;
public RepeatedElementBridge(TypeInfo typeInfo, XMLBridge xb) {
delegate = xb;
collectionHandler = create(typeInfo);
}
public CollectionHandler collectionHandler() {
return collectionHandler;
}
@Override
public BindingContext context() {
return delegate.context();
}
@Override
public void marshal(T object, XMLStreamWriter output, AttachmentMarshaller am) throws JAXBException {
delegate.marshal(object, output, am);
}
@Override
public void marshal(T object, OutputStream output, NamespaceContext nsContext, AttachmentMarshaller am) throws JAXBException {
delegate.marshal(object, output, nsContext, am);
}
@Override
public void marshal(T object, Node output) throws JAXBException {
delegate.marshal(object, output);
}
@Override
public void marshal(T object, ContentHandler contentHandler, AttachmentMarshaller am) throws JAXBException {
delegate.marshal(object, contentHandler, am);
}
@Override
public void marshal(T object, Result result) throws JAXBException {
delegate.marshal(object, result);
}
@Override
public T unmarshal(XMLStreamReader in, AttachmentUnmarshaller au) throws JAXBException {
return delegate.unmarshal(in, au);
}
@Override
public T unmarshal(Source in, AttachmentUnmarshaller au) throws JAXBException {
return delegate.unmarshal(in, au);
}
@Override
public T unmarshal(InputStream in) throws JAXBException {
return delegate.unmarshal(in);
}
@Override
public T unmarshal(Node n, AttachmentUnmarshaller au) throws JAXBException {
return delegate.unmarshal(n, au);
}
@Override
public TypeInfo getTypeInfo() {
return delegate.getTypeInfo();
}
@Override
public boolean supportOutputStream() {
return delegate.supportOutputStream();
}
static public interface CollectionHandler {
int getSize(Object c);
Iterator iterator(Object c);
Object convert(List list);
}
static class BaseCollectionHandler implements CollectionHandler {
Class type;
BaseCollectionHandler(Class c) {type = c;}
@Override
public int getSize(Object c) { return ((Collection) c).size(); }
@Override
public Object convert(List list) {
try {
Object o = type.newInstance();
((Collection)o).addAll(list);
return o;
} catch (Exception e) {
e.printStackTrace();
}
return list;
}
@Override
public Iterator iterator(Object c) {return ((Collection)c).iterator();}
}
static final CollectionHandler ListHandler = new BaseCollectionHandler(List.class) {
@Override
public Object convert(List list) {return list;}
};
static final CollectionHandler HashSetHandler = new BaseCollectionHandler(HashSet.class) {
@Override
public Object convert(List list) { return new HashSet(list);}
};
static public CollectionHandler create(TypeInfo ti) {
Class javaClass = (Class) ti.type;
if (javaClass.isArray()) {
return new ArrayHandler((Class) ti.getItemType().type);
} else if (List.class.equals(javaClass) || Collection.class.equals(javaClass)) {
return ListHandler;
} else if (Set.class.equals(javaClass) || HashSet.class.equals(javaClass)) {
return HashSetHandler;
} else {
return new BaseCollectionHandler(javaClass);
}
}
static class ArrayHandler implements CollectionHandler {
Class componentClass;
public ArrayHandler(Class component) {
componentClass = component;
}
@Override
public int getSize(Object c) {
return java.lang.reflect.Array.getLength(c);
}
@Override
public Object convert(List list) {
Object array = java.lang.reflect.Array.newInstance(componentClass, list.size());
for (int i = 0; i < list.size(); i++) {
java.lang.reflect.Array.set(array, i, list.get(i));
}
return array;
}
@Override
public Iterator iterator(final Object c) {
return new Iterator() {
int index = 0;
@Override
public boolean hasNext() {
if (c == null || java.lang.reflect.Array.getLength(c) == 0) {
return false;
}
return (index != java.lang.reflect.Array.getLength(c));
}
@Override
public Object next() throws NoSuchElementException {
Object retVal = null;
try {
retVal = java.lang.reflect.Array.get(c, index++);
} catch (ArrayIndexOutOfBoundsException ex) {
throw new NoSuchElementException();
}
return retVal;
}
@Override
public void remove() {}
};
}
}
}