/***
* Copyright (c) 2009 Caelum - www.caelum.com.br/opensource
* All rights reserved.
*
* 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 br.com.caelum.vraptor.http;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import br.com.caelum.vraptor.IteratorToEnumerationAdapter;
/**
* A request capable of adding new parameters.
*
* @author guilherme silveira
*
*/
public class VRaptorRequest extends HttpServletRequestWrapper implements MutableRequest {
private static final Logger logger = LoggerFactory.getLogger(VRaptorRequest.class);
private final Hashtable<String, String[]> extraParameters = new Hashtable<String, String[]>();
public VRaptorRequest(HttpServletRequest request) {
super(request);
}
@Override
public String getParameter(String name) {
if (extraParameters.containsKey(name)) {
String[] values = extraParameters.get(name);
if (values.length == 1) {
return values[0];
} else {
return Arrays.toString(values);
}
}
return super.getParameter(name);
}
@SuppressWarnings("unchecked")
@Override
public Enumeration getParameterNames() {
return new IteratorToEnumerationAdapter(getParameterMap().keySet().iterator());
}
@Override
public String[] getParameterValues(String name) {
if (extraParameters.containsKey(name)) {
return extraParameters.get(name);
}
return super.getParameterValues(name);
}
@SuppressWarnings("unchecked")
@Override
public Map getParameterMap() {
Map complete = new HashMap(super.getParameterMap());
complete.putAll(this.extraParameters);
return complete;
}
public void setParameter(String key, String... value) {
if (logger.isDebugEnabled()) {
logger.debug("Setting {} with {}", key, Arrays.toString(value));
}
this.extraParameters.put(key, value);
}
@Override
public String toString() {
return String.format("[VRaptorRequest %s]", this.getRequest());
}
}