Mercurial > jdk8-mips64-public > jaxws / file revision

 /*

  * Copyright (c) 1997, 2012, 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() {}

             };

         }

     }

 }