JAXBCollectionXmlProvider.java

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 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
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 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.wink.common.internal.providers.entity.xml;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Collection;

import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;

@Provider
@Consumes( {MediaType.TEXT_XML, MediaType.APPLICATION_XML, MediaType.WILDCARD})
@Produces( {MediaType.TEXT_XML, MediaType.APPLICATION_XML, MediaType.WILDCARD})
public class JAXBCollectionXmlProvider extends AbstractJAXBCollectionProvider implements
    MessageBodyReader<Object>, MessageBodyWriter<Object> {

    public boolean isReadable(Class<?> type,
                              Type genericType,
                              Annotation[] annotations,
                              MediaType mediaType) {
        Class<?> theType = getParameterizedTypeClassForRead(type, genericType, false);
        if (theType != null)
            return (Collection.class.isAssignableFrom(type) && isSupportedMediaType(mediaType) && ((isJAXBObject(theType, genericType) || (isJAXBElement(theType,
                                                                                                             genericType))) || isCompatible(theType, annotations)));
        return false;
    }

    public Object readFrom(Class<Object> type,
                           Type genericType,
                           Annotation[] annotations,
                           MediaType mediaType,
                           MultivaluedMap<String, String> httpHeaders,
                           InputStream entityStream) throws IOException, WebApplicationException {
        return super.read(type, genericType, annotations, mediaType, httpHeaders, entityStream);
    }

    public long getSize(Object t,
                        Class<?> type,
                        Type genericType,
                        Annotation[] annotations,
                        MediaType mediaType) {
        return -1;
    }

    public boolean isWriteable(Class<?> type,
                               Type genericType,
                               Annotation[] annotations,
                               MediaType mediaType) {
        Class<?> theType = getParameterizedTypeClassForWrite(type, genericType, false);
        if (theType != null)
            return (Collection.class.isAssignableFrom(type) && isSupportedMediaType(mediaType) && ((isJAXBObject(theType, genericType) || (isJAXBElement(theType,
                                                                                                             genericType))) || isCompatible(theType, annotations)));
        return false;
    }

    public void writeTo(Object t,
                        Class<?> type,
                        Type genericType,
                        Annotation[] annotations,
                        MediaType mediaType,
                        MultivaluedMap<String, Object> httpHeaders,
                        OutputStream entityStream) throws IOException, WebApplicationException {
        super.write(t, type, genericType, annotations, mediaType, httpHeaders, entityStream);
    }
}