aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.ws.spi.db;
aoqi@0: 
aoqi@0: import java.util.HashSet;
aoqi@0: import java.util.Iterator;
aoqi@0: import java.util.Collection;
aoqi@0: import java.util.List;
aoqi@0: import java.util.Set;
aoqi@0: import java.io.InputStream;
aoqi@0: import java.io.OutputStream;
aoqi@0: import java.util.NoSuchElementException;
aoqi@0: 
aoqi@0: import javax.xml.bind.JAXBException;
aoqi@0: import javax.xml.bind.attachment.AttachmentMarshaller;
aoqi@0: import javax.xml.bind.attachment.AttachmentUnmarshaller;
aoqi@0: import javax.xml.namespace.NamespaceContext;
aoqi@0: import javax.xml.stream.XMLStreamReader;
aoqi@0: import javax.xml.stream.XMLStreamWriter;
aoqi@0: import javax.xml.transform.Result;
aoqi@0: import javax.xml.transform.Source;
aoqi@0: 
aoqi@0: import org.w3c.dom.Node;
aoqi@0: import org.xml.sax.ContentHandler;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * RepeatedElementBridge
aoqi@0:  *
aoqi@0:  * @author shih-chang.chen@oracle.com
aoqi@0:  */
aoqi@0: @SuppressWarnings({"rawtypes", "unchecked"})
aoqi@0: public class RepeatedElementBridge<T> implements XMLBridge<T> {
aoqi@0: 
aoqi@0:     XMLBridge<T> delegate;
aoqi@0:     CollectionHandler collectionHandler;
aoqi@0: 
aoqi@0:     public RepeatedElementBridge(TypeInfo typeInfo, XMLBridge xb) {
aoqi@0:         delegate = xb;
aoqi@0:         collectionHandler = create(typeInfo);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public CollectionHandler collectionHandler() {
aoqi@0:         return collectionHandler;
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public BindingContext context() {
aoqi@0:         return delegate.context();
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public void marshal(T object, XMLStreamWriter output, AttachmentMarshaller am) throws JAXBException {
aoqi@0:         delegate.marshal(object, output, am);
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public void marshal(T object, OutputStream output, NamespaceContext nsContext, AttachmentMarshaller am) throws JAXBException {
aoqi@0:         delegate.marshal(object, output, nsContext, am);
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public void marshal(T object, Node output) throws JAXBException {
aoqi@0:         delegate.marshal(object, output);
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public void marshal(T object, ContentHandler contentHandler, AttachmentMarshaller am) throws JAXBException {
aoqi@0:         delegate.marshal(object, contentHandler, am);
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public void marshal(T object, Result result) throws JAXBException {
aoqi@0:         delegate.marshal(object, result);
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public T unmarshal(XMLStreamReader in, AttachmentUnmarshaller au) throws JAXBException {
aoqi@0:         return delegate.unmarshal(in, au);
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public T unmarshal(Source in, AttachmentUnmarshaller au) throws JAXBException {
aoqi@0:         return delegate.unmarshal(in, au);
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public T unmarshal(InputStream in) throws JAXBException {
aoqi@0:         return delegate.unmarshal(in);
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public T unmarshal(Node n, AttachmentUnmarshaller au) throws JAXBException {
aoqi@0:         return delegate.unmarshal(n, au);
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public TypeInfo getTypeInfo() {
aoqi@0:         return delegate.getTypeInfo();
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public boolean supportOutputStream() {
aoqi@0:         return delegate.supportOutputStream();
aoqi@0:     }
aoqi@0: 
aoqi@0:     static public interface CollectionHandler {
aoqi@0:         int getSize(Object c);
aoqi@0:         Iterator iterator(Object c);
aoqi@0:         Object convert(List list);
aoqi@0:     }
aoqi@0: 
aoqi@0:     static class BaseCollectionHandler implements CollectionHandler {
aoqi@0:         Class type;
aoqi@0:         BaseCollectionHandler(Class c) {type = c;}
aoqi@0:         @Override
aoqi@0:         public int getSize(Object c) { return ((Collection) c).size(); }
aoqi@0:         @Override
aoqi@0:         public Object convert(List list) {
aoqi@0:             try {
aoqi@0:                 Object o = type.newInstance();
aoqi@0:                 ((Collection)o).addAll(list);
aoqi@0:                 return o;
aoqi@0:             } catch (Exception e) {
aoqi@0:                 e.printStackTrace();
aoqi@0:             }
aoqi@0:             return list;
aoqi@0:         }
aoqi@0:         @Override
aoqi@0:         public Iterator iterator(Object c) {return ((Collection)c).iterator();}
aoqi@0:     }
aoqi@0: 
aoqi@0:     static final CollectionHandler ListHandler = new BaseCollectionHandler(List.class) {
aoqi@0:         @Override
aoqi@0:         public Object convert(List list) {return list;}
aoqi@0:     };
aoqi@0: 
aoqi@0:     static final CollectionHandler HashSetHandler = new BaseCollectionHandler(HashSet.class) {
aoqi@0:         @Override
aoqi@0:         public Object convert(List list) { return new HashSet(list);}
aoqi@0:     };
aoqi@0: 
aoqi@0:     static public CollectionHandler create(TypeInfo ti) {
aoqi@0:         Class javaClass = (Class) ti.type;
aoqi@0:         if (javaClass.isArray()) {
aoqi@0:             return new ArrayHandler((Class) ti.getItemType().type);
aoqi@0:         } else if (List.class.equals(javaClass) || Collection.class.equals(javaClass)) {
aoqi@0:             return ListHandler;
aoqi@0:         } else if (Set.class.equals(javaClass) || HashSet.class.equals(javaClass)) {
aoqi@0:             return HashSetHandler;
aoqi@0:         } else {
aoqi@0:             return new BaseCollectionHandler(javaClass);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     static class ArrayHandler implements CollectionHandler {
aoqi@0:         Class componentClass;
aoqi@0:         public ArrayHandler(Class component) {
aoqi@0:             componentClass = component;
aoqi@0:         }
aoqi@0:         @Override
aoqi@0:         public int getSize(Object c) {
aoqi@0:             return java.lang.reflect.Array.getLength(c);
aoqi@0:         }
aoqi@0:         @Override
aoqi@0:         public Object convert(List list) {
aoqi@0:             Object array = java.lang.reflect.Array.newInstance(componentClass, list.size());
aoqi@0:             for (int i = 0; i < list.size(); i++) {
aoqi@0:                 java.lang.reflect.Array.set(array, i, list.get(i));
aoqi@0:             }
aoqi@0:             return array;
aoqi@0:         }
aoqi@0:         @Override
aoqi@0:         public Iterator iterator(final Object c) {
aoqi@0:             return new Iterator() {
aoqi@0:                 int index = 0;
aoqi@0:                 @Override
aoqi@0:                 public boolean hasNext() {
aoqi@0:                     if (c == null || java.lang.reflect.Array.getLength(c) == 0) {
aoqi@0:                         return false;
aoqi@0:                     }
aoqi@0:                     return (index != java.lang.reflect.Array.getLength(c));
aoqi@0:                 }
aoqi@0:                 @Override
aoqi@0:                 public Object next() throws NoSuchElementException {
aoqi@0:                     Object retVal = null;
aoqi@0:                     try {
aoqi@0:                         retVal = java.lang.reflect.Array.get(c, index++);
aoqi@0:                     } catch (ArrayIndexOutOfBoundsException ex) {
aoqi@0:                         throw new NoSuchElementException();
aoqi@0:                     }
aoqi@0:                     return retVal;
aoqi@0:                 }
aoqi@0:                 @Override
aoqi@0:                 public void remove() {}
aoqi@0:             };
aoqi@0:         }
aoqi@0:     }
aoqi@0: }