package org.apache.myfaces.tobago.example.addressbook.web;
/*
* 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.
*/
import org.apache.commons.io.IOUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.myfaces.tobago.example.addressbook.Address;
import org.apache.myfaces.tobago.example.addressbook.Picture;
import org.apache.myfaces.tobago.servlet.NonFacesRequestServlet;
import org.apache.myfaces.tobago.util.VariableResolverUtil;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletResponse;
import java.io.ByteArrayInputStream;
import java.io.IOException;
public class PictureServlet extends NonFacesRequestServlet {
private static final Log LOG = LogFactory.getLog(PictureServlet.class);
public String invokeApplication(FacesContext facesContext) {
Controller controller = (Controller) VariableResolverUtil.resolveVariable(facesContext, "controller");
Address address = controller.getCurrentAddress();
if (address.hasPicture()) {
Picture picture = address.getPicture();
byte[] content = picture.getContent();
HttpServletResponse response = (HttpServletResponse) facesContext.getExternalContext().getResponse();
if (content != null && content.length > 0) {
response.setContentType(picture.getContentType());
ByteArrayInputStream inputStream = new ByteArrayInputStream(content);
try {
IOUtils.copy(inputStream, response.getOutputStream());
} catch (IOException e) {
LOG.error("", e);
} finally{
IOUtils.closeQuietly(inputStream);
}
}
facesContext.responseComplete();
}
return null;
}
}