/*
 * 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.servicemix.examples.cxf.mtom;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.activation.DataHandler;
import javax.jws.WebService;
import javax.mail.util.ByteArrayDataSource;
import javax.xml.ws.Holder;

import org.apache.cxf.mime.TestMtom;

@WebService(serviceName = "TestMtomService", 
        portName = "TestMtomPort", 
        targetNamespace = "http://cxf.apache.org/mime", 
        endpointInterface = "org.apache.cxf.mime.TestMtom",
            wsdlLocation = "testutils/mtom_xop.wsdl")
public class TestMtomImpl implements TestMtom {
    public void testXop(Holder<String> name, Holder<DataHandler> attachinfo) {
       try {
            System.out.println("Received image with mtom enabled from client");
            InputStream mtomIn = attachinfo.value.getInputStream();
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            copy(mtomIn, out);
            System.out.println("The image data size is " + out.size());
            name.value = "Hello " + name.value;
            mtomIn.close();
            attachinfo.value = new DataHandler(new ByteArrayDataSource(out.toByteArray(),
                                                                       attachinfo.value.getContentType()));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    public static int copy(final InputStream input, final OutputStream output) throws IOException {
        final byte[] buffer = new byte[4096];
        int n = 0;
        n = input.read(buffer);
        int total = 0;
        while (-1 != n) {
            output.write(buffer, 0, n);
            total += n;
            n = input.read(buffer);
        }
        return total;
    }
}