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package org.asyrinx.brownie.servlet;
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import java.util.Enumeration;
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import java.util.HashMap;
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import java.util.Map;
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import javax.servlet.ServletConfig;
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import javax.servlet.ServletContext;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import org.asyrinx.brownie.core.lang.ArrayUtils;
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import org.asyrinx.brownie.core.lang.StringUtils;
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public final class ServletUtils {
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private ServletUtils() {
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super();
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}
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static public Map parametersToMap(ServletConfig config) {
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final Map result = new HashMap();
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final Enumeration enum = config.getInitParameterNames();
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while (enum.hasMoreElements()) {
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String key = (String) enum.nextElement();
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result.put(key, config.getInitParameter(key));
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}
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return result;
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}
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static public Map parametersToMap(ServletContext context) {
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final Map result = new HashMap();
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final Enumeration enum = context.getInitParameterNames();
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while (enum.hasMoreElements()) {
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String key = (String) enum.nextElement();
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result.put(key, context.getInitParameter(key));
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}
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return result;
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}
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static public Map attributesToMap(ServletContext context) {
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final Map result = new HashMap();
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final Enumeration enum = context.getAttributeNames();
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while (enum.hasMoreElements()) {
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String key = (String) enum.nextElement();
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result.put(key, context.getAttribute(key));
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}
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return result;
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}
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static public Map attributesToMap(HttpSession session) {
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final Map result = new HashMap();
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final Enumeration enum = session.getAttributeNames();
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while (enum.hasMoreElements()) {
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String key = (String) enum.nextElement();
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result.put(key, session.getAttribute(key));
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}
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return result;
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}
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static public Map attributesToMap(HttpServletRequest req) {
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final Map result = new HashMap();
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final Enumeration enum = req.getAttributeNames();
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while (enum.hasMoreElements()) {
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String key = (String) enum.nextElement();
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result.put(key, req.getAttribute(key));
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}
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return result;
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}
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static public Map parametersToMap(HttpServletRequest req) {
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final Map result = new HashMap();
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final Enumeration enum = req.getParameterNames();
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while (enum.hasMoreElements()) {
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String key = (String) enum.nextElement();
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String data = req.getParameter(key);
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result.put(key, data);
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}
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return result;
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}
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static public Map headerToMap(HttpServletRequest req) {
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final Map result = new HashMap();
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final Enumeration enum = req.getHeaderNames();
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while (enum.hasMoreElements()) {
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String key = (String) enum.nextElement();
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String data = req.getHeader(key);
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result.put(key, data);
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}
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return result;
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}
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static public String reqToStr(HttpServletRequest req) {
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final StringBuffer result = new StringBuffer();
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result.append("\nUri=" + req.getRequestURI());
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result.append("\nMethod=" + req.getMethod());
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result.append("\nParameters=" + parametersToMap(req));
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result.append("\nAttributes=" + attributesToMap(req));
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result.append("\nQueryString=" + req.getQueryString());
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result.append("\nHeaders=" + headerToMap(req));
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result.append("\nPathInfo=" + req.getPathInfo());
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result.append("\nPathTranslated=" + req.getPathTranslated());
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result.append("\nRequestedSessionId=" + req.getRequestedSessionId());
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result.append("\nRemoteAddr=" + req.getRemoteAddr());
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result.append("\nRemoteHost=" + req.getRemoteHost());
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result.append("\nRemoteUser=" + req.getRemoteUser());
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result.append("\nSession=" + req.getSession());
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result.append("\nScheme=" + req.getScheme());
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result.append("\nServerName=" + req.getServerName());
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result.append("\nServerPort=" + req.getServerPort());
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result.append("\nServletPath=" + req.getServletPath());
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result.append("\nCookies=" + ArrayUtils.toArrayList(req.getCookies()));
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result.append("\nEncoding=" + req.getCharacterEncoding());
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result.append("\nAuthType=" + req.getAuthType());
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return result.toString();
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}
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public static void setNoCache(HttpServletResponse res) {
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res.setHeader("Pragma", "no-chace");
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res.setHeader("Cahce-Control", "no-store");
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long lngCurrentTm = System.currentTimeMillis();
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long lngValidTm = (60 * 1000) * 5;
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res.setDateHeader("Expires", lngCurrentTm + lngValidTm);
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}
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public static String getFullURL(HttpServletRequest req) {
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final Enumeration enumPrms = req.getParameterNames();
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String params = "";
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while (enumPrms.hasMoreElements()) {
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final String paramName = (String) enumPrms.nextElement();
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if (!StringUtils.isEmpty(params))
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params += "&";
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params += paramName + "="
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+ StringUtils.nullTrim(req.getParameter(paramName));
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}
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final String result = req.getRequestURI();
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if (!StringUtils.isEmpty(params))
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return result + "?" + params;
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else
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return result;
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}
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}
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