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package org.openecomp.sdc.webseal.simulator;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
public final class MutableHttpServletRequest extends HttpServletRequestWrapper {
// holds custom header and value mapping
private final Map<String, String> customHeaders;
public MutableHttpServletRequest(HttpServletRequest request){
super(request);
this.customHeaders = new HashMap<String, String>();
}
public void putHeader(String name, String value){
this.customHeaders.put(name, value);
}
public String getHeader(String name) {
// check the custom headers first
String headerValue = customHeaders.get(name);
if (headerValue != null){
return headerValue;
}
// else return from into the original wrapped object
return ((HttpServletRequest) getRequest()).getHeader(name);
}
public Enumeration<String> getHeaderNames() {
// create a set of the custom header names
Set<String> set = new HashSet<String>(customHeaders.keySet());
// now add the headers from the wrapped request object
@SuppressWarnings("unchecked")
Enumeration<String> e = ((HttpServletRequest) getRequest()).getHeaderNames();
while (e.hasMoreElements()) {
// add the names of the request headers into the list
String n = e.nextElement();
set.add(n);
}
// create an enumeration from the set and return
return Collections.enumeration(set);
}
}
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