/*
* RequestProxy.java
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Author: Winter Lau
* http://dlog4j.sourceforge.net
*
*/
package com.liusoft.dlog4j.servlet;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import com.liusoft.dlog4j.Globals;
/**
* �������ķ�װ�����ڴ����Զ�����
* @author liudong
*/
public class RequestProxy extends HttpServletRequestWrapper{
protected String encoding;
public RequestProxy(HttpServletRequest request) throws UnsupportedEncodingException{
this(request, Globals.ENC_UTF_8);
}
public RequestProxy(HttpServletRequest request, String encoding) throws UnsupportedEncodingException{
super(request);
this.encoding = (encoding==null)?Globals.ENC_UTF_8:encoding;
}
/**
* ����getParameter
*/
public String getParameter(String paramName) {
String value = super.getParameter(paramName);
if(value!=null){
try {
return new String(value.getBytes(Globals.ENC_8859_1),encoding);
}catch(UnsupportedEncodingException e) {}
}
return value;
}
/**
* ����getParameterMap
*/
public Map getParameterMap() {
Map params = super.getParameterMap();
HashMap new_params = new HashMap();
Iterator iter = params.keySet().iterator();
while(iter.hasNext()){
String key = (String)iter.next();
Object oValue = params.get(key);
if(oValue.getClass().isArray()){
String[] values = (String[])params.get(key);
String[] new_values = new String[values.length];
for(int i=0;i<values.length;i++){
try {
new_values[i] = new String(values[i].getBytes(Globals.ENC_8859_1),encoding);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
break;
}
}
new_params.put(key, new_values);
}
else{
String value = (String)params.get(key);
String new_value = null;
try {
new_value = (value!=null)?
new String(value.getBytes(Globals.ENC_8859_1),encoding):null;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
break;
}
if(new_value!=null)
new_params.put(key,new_value);
}
}
return new_params;
}
/**
* ����getParameterValues
*/
public String[] getParameterValues(String arg0) {
String[] values = super.getParameterValues(arg0);
for(int i=0;values!=null&&i<values.length;i++){
try {
values[i] = new String(values[i].getBytes(Globals.ENC_8859_1),encoding);
} catch (UnsupportedEncodingException e) {}
}
return values;
}
public String getEncoding() {
return encoding;
}
}