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/*
* Copyright 2011 Vaadin Ltd.
*
* Licensed 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 com.vaadin.server;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import javax.portlet.MimeResponse;
import javax.portlet.PortletResponse;
import javax.portlet.ResourceResponse;
/**
* Wrapper for {@link PortletResponse} and its subclasses.
*
* @author Vaadin Ltd.
* @since 7.0
*
* @see WrappedResponse
* @see WrappedPortletRequest
*/
public class WrappedPortletResponse implements WrappedResponse {
private static final DateFormat HTTP_DATE_FORMAT = new SimpleDateFormat(
"EEE, dd MMM yyyy HH:mm:ss zzz", Locale.ENGLISH);
static {
HTTP_DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("GMT"));
}
private final PortletResponse response;
private DeploymentConfiguration deploymentConfiguration;
/**
* Wraps a portlet response and an associated deployment configuration
*
* @param response
* the portlet response to wrap
* @param deploymentConfiguration
* the associated deployment configuration
*/
public WrappedPortletResponse(PortletResponse response,
DeploymentConfiguration deploymentConfiguration) {
this.response = response;
this.deploymentConfiguration = deploymentConfiguration;
}
@Override
public OutputStream getOutputStream() throws IOException {
return ((MimeResponse) response).getPortletOutputStream();
}
/**
* Gets the original, unwrapped portlet response.
*
* @return the unwrapped portlet response
*/
public PortletResponse getPortletResponse() {
return response;
}
@Override
public void setContentType(String type) {
((MimeResponse) response).setContentType(type);
}
@Override
public PrintWriter getWriter() throws IOException {
return ((MimeResponse) response).getWriter();
}
@Override
public void setStatus(int responseStatus) {
response.setProperty(ResourceResponse.HTTP_STATUS_CODE,
Integer.toString(responseStatus));
}
@Override
public void setHeader(String name, String value) {
response.setProperty(name, value);
}
@Override
public void setDateHeader(String name, long timestamp) {
response.setProperty(name, HTTP_DATE_FORMAT.format(new Date(timestamp)));
}
@Override
public void setCacheTime(long milliseconds) {
WrappedHttpServletResponse.doSetCacheTime(this, milliseconds);
}
@Override
public void sendError(int errorCode, String message) throws IOException {
setStatus(errorCode);
getWriter().write(message);
}
@Override
public DeploymentConfiguration getDeploymentConfiguration() {
return deploymentConfiguration;
}
}
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