servletincluderequestwrapper.java

java 写的一个新闻发布系统

            if (meta == '+') {
            dec.append(' ');
            pos++;
            } else if (meta == '%') {
            try {
                dec.append((char) Integer.parseInt
                       (str.substring(pos+1, pos+3), 16));
            } catch (NumberFormatException e) {
                throw new IllegalArgumentException
                ("Invalid hexadecimal '" + str.substring(pos+1, pos+3)
                 + " in URLencoded string");
            } catch (StringIndexOutOfBoundsException e) {
                throw new IllegalArgumentException
                ("Invalid unescaped '%' in URLcoded string");
            }
            pos += 3;
            }
        }
        return (dec.toString());

     }

     public String getRequestURI() {
        String requestURI = super.getRequestURI();
        JahiaConsole.println("RequestWrapper", "super.getRequestURI()=[" + requestURI + "]");

        if (emulatedURL != null) {
            if ( hasRequestURIChanged() ){
                return requestURI;
            }

            String requestURL = getContextPath();
            if ( appRequest.getWebAppType() == PersistantServletRequest.SERVLET_TYPE ){
                if ( this.emulatedServletPath.length()>0 ){
                    if ( !this.emulatedServletPath.startsWith("/") ){
                        requestURL += "/";
                    }
                    requestURL += this.emulatedServletPath;
                }
                requestURL += this.emulatedPathInfo;
            } else {
                if ( !appRequest.getservletsrc().startsWith("/") ){
                    requestURL += "/";
                }
                requestURL += appRequest.getservletsrc();
            }
            JahiaConsole.println("RequestWrapper", "emulated requestURI = [" + requestURL + "]");
            //return getContextPath()+ "/" + appRequest.getServletName();
            return requestURL;
        } else {
            return super.getRequestURI();
        }
     }

     public StringBuffer getRequestURL() {
        StringBuffer requestURL = super.getRequestURL();
        JahiaConsole.println("RequestWrapper", " super.getRequestURL()=[" + requestURL.toString() + "]");

        if (emulatedURL != null) {
            if ( hasRequestURIChanged() ){
                return requestURL;
            }

            JahiaConsole.println("RequestWrapper", "emulated requestURL = [" + super.getRequestURL() + "]");
            return super.getRequestURL();
        } else {
            return super.getRequestURL();
        }
     }

     public String getServletPath() {
        String serverPath = super.getServletPath();
        String pathInfo = super.getPathInfo();
        JahiaConsole.println("RequestWrapper", "super.getServletPath()=[" + serverPath + "]");
        JahiaConsole.println("RequestWrapper", "emulated servlet path [" + this.emulatedServletPath + "]");
        JahiaConsole.println("RequestWrapper", "while super.getPathInfo()=[" + pathInfo + "]");

        if (hasRequestURIChanged()) {
            JahiaConsole.println("RequestWrapper", "Request URI has changed, returning emulatedServletPath=[" + serverPath + "]");
            emulatedServletPath = serverPath;
        }

        if (emulatedURL != null) {
            /*
            JahiaConsole.println("RequestWrapper", "getServletPath() = [" + appRequest.getName() + "]");
            */
            if (serverPath.endsWith(".jsp")) {
                /** @todo remove this hack that was introduced to make internal
                 *  app redirection to JSP work. Must find a better way to
                 *  detect this. This will fail if we try to redirect to a JSP
                 *  directly (or maybe it works but not guaranteed.
                 */
                JahiaConsole.println("RequestWrapper", "JSP servlet path ("+ serverPath + ") detected, returning server path...");
                return serverPath;
            }

            JahiaConsole.println("RequestWrapper", "emulated servlet path [" + this.emulatedServletPath + "]");
            return this.emulatedServletPath;
        }

        return super.getServletPath();

     }

     public String getQueryString() {
        String queryString = super.getQueryString();
        JahiaConsole.println("RequestWrapper", "super.getQueryString()=[" + queryString + "]");
        if (emulatedURL != null) {
            if ( hasRequestURIChanged() ){
                return queryString;
            }

            JahiaConsole.println("RequestWrapper", "getQueryString() = [" + emulatedURL.getQuery() + "]");
            return emulatedURL.getQuery();
        } else {
            return super.getQueryString();
        }
     }

     public String getPathTranslated() {
        if (emulatedURL != null) {
            JahiaConsole.println("RequestWrapper", "getPathTranslated() = [" + super.getPathTranslated() + "]");
            return super.getPathTranslated();
        } else {
            return super.getPathTranslated();
        }
     }

//     public Locale getLocale() {
//        if (emulatedURL != null) {
//            JahiaConsole.println("RequestWrapper", "getLocale() = [" + super.getLocale() + "]");
//            return this.jahiaParams.getLocale();
//        } else {
//            return super.getLocale();
//        }
//     }
//
//     public Enumeration getLocales() {
//        if (emulatedURL != null) {
//            JahiaConsole.println("RequestWrapper", "getLocale() = [" + super.getLocales() + "]");
//            Vector v = new Vector();
//            try {
//                Iterator iterator = this.jahiaParams.getLocales().iterator();
//                while ( iterator.hasNext() ){
//                    v.add(iterator.next());
//                }
//            } catch (Throwable t ){
//                JahiaConsole.printe("error getting locales",t);
//            }
//            return v.elements();
//        } else {
//            return super.getLocales();
//        }
//     }

     public String getPathInfo() {
        String pathInfo = super.getPathInfo();
        JahiaConsole.println("RequestWrapper", "super.getPathInfo()=[" + pathInfo + "]");

        if (emulatedURL == null) {
            JahiaConsole.println("RequestWrapper", "getPathInfo() = [" + pathInfo + "]");
            return pathInfo;
        } else {
            if ( hasRequestURIChanged() ){
                return pathInfo;
            }
            JahiaConsole.println("RequestWrapper", "getPathInfo() emulated pathInfo = [" + this.emulatedPathInfo + "]");
            return this.emulatedPathInfo ;
        }
     }

     public String getParameter(String name) {
        // JahiaConsole.println("RequestWrapper", "RequestWrapper.Entering getParameter("+name+")...");

        if (emulatedURL != null && !hasRequestURIChanged() ) {
            if (parameters == null) {
                //JahiaConsole.println("RequestWrapper", "Error : parameter Object not found !");
            }

            Object objValue = parameters.get(name);
            if (objValue == null) {
                //JahiaConsole.println("RequestWrapper", "Warning : parameter ["+name+"] not found !");
                return null;
            }
            Class classValue = objValue.getClass();

            if (classValue.isArray()) {

                String[] value = (String[]) parameters.get(name);
                if (value == null) {
                    return null;
                } else {
                    // JahiaConsole.println("RequestWrapper", "Array detected. Parameter = " + value.toString());
                }

                // JahiaConsole.println("RequestWrapper", "Array detected. Result = [" + value[0] + "]");
                return value[0];
            } else {
                String value = (String) objValue;
                // JahiaConsole.println("RequestWrapper", "String detected. Result = [" + value + "]");
                return value;
            }
        } else {
            // JahiaConsole.println("RequestWrapper", "Result from parent = [" + super.getParameter(name) + "]");
            return super.getParameter(name);
        }
     }

     public Enumeration getParameterNames() {
        // JahiaConsole.println("RequestWrapper", "started");
        if (emulatedURL != null && !hasRequestURIChanged()) {
            return new Hashtable(parameters).keys();
        } else {
            return super.getParameterNames();
        }
     }

     public String[] getParameterValues(String name) {
        JahiaConsole.println("RequestWrapper", "getParameterValues("+name+")");
        if (emulatedURL != null && !hasRequestURIChanged()) {


            Object objValue = parameters.get(name);
            if (objValue == null) {
                //JahiaConsole.println("RequestWrapper", "Warning : parameter ["+name+"] not found !");
                return null;
            }
            Class classValue = objValue.getClass();

            if (classValue.isArray()) {

                String[] value = (String[]) parameters.get(name);
                return value;
            } else {
                String value = (String) objValue;
                // JahiaConsole.println("RequestWrapper", "String detected. Result = [" + value + "]");
                String[] valueArray = {value};
                return valueArray;
            }

            /*
            String[] x = (String[]) parameters.get(name);
            JahiaConsole.println("RequestWrapper",  "getParameterValues("+name+") : values :[" + x[0] + "]");
            return x;
            */
        } else {
            return super.getParameterValues(name);
        }
     }

     public Map getParameterMap() {
        if (emulatedURL != null && !hasRequestURIChanged()) {
            JahiaConsole.println("RequestWrapper", "getParameterMap()");
            return copyMap(parameters);
        } else {
            return super.getParameterMap();
        }
     }

     public void setAttribute(String name,
                              Object o) {
       if (o != null) {
           // JahiaConsole.println("RequestWrapper",  "setAttribute(" + name + "," + o.toString() + ")");
           if (name.equals("javax.servlet.jsp.jspException")) {
                // let's print out the exception...
                StringWriter sw = new StringWriter();
                PrintWriter pw = new PrintWriter(sw);
                Throwable t = (Throwable) o;
                t.printStackTrace(pw);
                JahiaConsole.println("RequestWrapper", "Exception : " + sw.toString());
           }
       }
       if (emulatedURL != null) {
            // Note : we used to have here some code to deactivate setting
            // of include parameters, but this was resolved by using a NamedDispatcher
            // that doesn't set these. These caused problems with Tomcat's implementation
            // of JSP dispatching that checked for the include attributes.
            if ("org.jahia.portletapi.CacheExpirationDelay".equals(name)) {
               Long delay = (Long) o;
               applicationCacheExpirationDelay = delay.longValue();
               if (applicationCacheExpirationDelay == 0) {
                   applicationCacheOn = false;
               }
           } else {
               super.setAttribute(name, o);
           }
        } else {
            super.setAttribute(name, o);
        }

     }

     public void removeAttribute(String name) {
        JahiaConsole.println("RequestWrapper", "removeAttribute("+name+")");
        super.removeAttribute(name);
     }

     public Object getAttribute(String name) {
        JahiaConsole.println("RequestWrapper", "getAttribute("+name+")");
        return super.getAttribute(name);
     }


     public HttpSession getSession (boolean create)
     {
        if (emulatedURL != null) {
            // JahiaConsole.println("RequestWrapper",  "getEmulatedSession");
            if (sessionWrapper == null) {
                try {
                    sessionWrapper = new HttpSessionWrapper(jahiaParams.getSession(),
                        appRequest.getApplicationBean().getName(),
                        contextIdentifier,
                        inheritJahiaSessionAttributes);
                }
                catch (JahiaSessionExpirationException ex) {
                    return null;
                }

            }
            return sessionWrapper;
        } else {
            // JahiaConsole.println("RequestWrapper", "getSession");
            return super.getSession(create);
        }
     }

     public HttpSession getSession() {
        return getSession(true);
     }

     public String getMethod() {
        if (emulatedURL != null) {
                return emulatedMethod;
        } else {
                return super.getMethod();
        }
     }

    public PersistantServletRequest getPersistantServletRequest(){
        return this.appRequest;
    }

    public boolean isApplicationCacheOn() {
        return applicationCacheOn;
    }

    public long getApplicationCacheExpirationDelay() {
        return applicationCacheExpirationDelay;
    }

}