/*
* Licensed to the Apache Software Foundation (ASF) under one
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.wink.itest.writers;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.lang.annotation.Annotation;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;
@Provider
public class MessageBodyWriterIsWritableGenericEntitySetInteger implements
MessageBodyWriter<Object> {
public long getSize(Object arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) {
return -1;
}
public boolean isWriteable(Class<?> arg0, Type arg1, Annotation[] arg2, MediaType arg3) {
if (arg0.isAssignableFrom(HashSet.class)) {
if (arg1 instanceof ParameterizedType) {
ParameterizedType pt = (ParameterizedType)arg1;
Type[] args = pt.getActualTypeArguments();
if (args.length == 1 && args[0].equals(Integer.class)) {
if (pt.getRawType().equals(Set.class)) {
return true;
}
}
}
}
return false;
}
@SuppressWarnings("unchecked")
public void writeTo(Object arg0,
Class<?> arg1,
Type arg2,
Annotation[] arg3,
MediaType arg4,
MultivaluedMap<String, Object> arg5,
OutputStream arg6) throws IOException, WebApplicationException {
Writer writer = new OutputStreamWriter(arg6);
Set<Integer> s = (Set<Integer>)arg0;
writer.write("set<integer>:");
List<Integer> list = new ArrayList<Integer>(s);
Collections.sort(list);
for (Object o : list) {
writer.write(o.toString());
}
writer.flush();
}
}