/*
* 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.myfaces.tobago.example.addressbook.web;
import org.apache.commons.io.IOUtils;
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.VariableResolverUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.faces.context.FacesContext;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletResponse;
import java.io.ByteArrayInputStream;
import java.io.IOException;
@WebServlet("/faces/picture")
public class PictureServlet extends NonFacesRequestServlet {
private static final Logger LOG = LoggerFactory.getLogger(PictureServlet.class);
public String invokeApplication(FacesContext facesContext) {
Controller controller = (Controller) VariableResolverUtils.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;
}
}