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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.filter;
import com.yahoo.jdisc.http.HttpHeaders;
import com.yahoo.jdisc.http.HttpRequest;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
/**
* JDisc implementation of a filter request.
*
* @since 5.27
*/
public class JdiscFilterRequest extends DiscFilterRequest {
private final HttpRequest parent;
public JdiscFilterRequest(HttpRequest parent) {
super(parent);
this.parent = parent;
}
public HttpRequest getParentRequest() {
return parent;
}
public void setUri(URI uri) {
parent.setUri(uri);
}
@Override
public String getMethod() {
return parent.getMethod().name();
}
@Override
public String getParameter(String name) {
if(parent.parameters().containsKey(name)) {
return parent.parameters().get(name).get(0);
}
else {
return null;
}
}
@Override
public Enumeration<String> getParameterNames() {
return Collections.enumeration(parent.parameters().keySet());
}
@Override
public void addHeader(String name, String value) {
parent.headers().add(name, value);
}
@Override
public String getHeader(String name) {
List<String> values = parent.headers().get(name);
if (values == null || values.isEmpty()) {
return null;
}
return values.get(values.size() - 1);
}
public Enumeration<String> getHeaderNames() {
return Collections.enumeration(parent.headers().keySet());
}
public List<String> getHeaderNamesAsList() {
return new ArrayList<String>(parent.headers().keySet());
}
@Override
public Enumeration<String> getHeaders(String name) {
return Collections.enumeration(getHeadersAsList(name));
}
public List<String> getHeadersAsList(String name) {
List<String> values = parent.headers().get(name);
if(values == null) {
return Collections.<String>emptyList();
}
return parent.headers().get(name);
}
@Override
public void removeHeaders(String name) {
parent.headers().remove(name);
}
@Override
public void setHeaders(String name, String value) {
parent.headers().put(name, value);
}
@Override
public void setHeaders(String name, List<String> values) {
parent.headers().put(name, values);
}
@Override
public void clearCookies() {
parent.headers().remove(HttpHeaders.Names.COOKIE);
}
}
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