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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.servlet;
import com.yahoo.jdisc.HeaderFields;
import com.yahoo.jdisc.http.Cookie;
import com.yahoo.jdisc.http.HttpHeaders;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
/**
* JDisc wrapper to use a {@link javax.servlet.http.HttpServletResponse}
* with JDisc security filters.
*/
public class ServletResponse extends HttpServletResponseWrapper implements ServletOrJdiscHttpResponse {
private final HttpServletResponse response;
private final Map<String, Object> context = new HashMap<>();
public ServletResponse(HttpServletResponse response) {
super(response);
this.response = response;
}
public HttpServletResponse getResponse() {
return response;
}
@Override
public int getStatus() {
return response.getStatus();
}
@Override
public Map<String, Object> context() {
return context;
}
@Override
public void copyHeaders(HeaderFields target) {
response.getHeaderNames().forEach( header ->
target.add(header, new ArrayList<>(response.getHeaders(header)))
);
}
@Override
public List<Cookie> decodeSetCookieHeader() {
Collection<String> cookies = getHeaders(HttpHeaders.Names.SET_COOKIE);
if (cookies == null) {
return Collections.emptyList();
}
List<Cookie> ret = new LinkedList<>();
for (String cookie : cookies) {
ret.add(Cookie.fromSetCookieHeader(cookie));
}
return ret;
}
}
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