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/**
 * Copyright 2018 Mike Hummel
 *
 * 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 de.mhus.lib.vaadin.servlet;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.Principal;
import java.util.Collection;
import java.util.Enumeration;
import java.util.Locale;
import java.util.Map;

import javax.servlet.AsyncContext;
import javax.servlet.DispatcherType;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletInputStream;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpUpgradeHandler;
import javax.servlet.http.Part;

public class ResourcesRequestWrapper implements HttpServletRequest {
	private HttpServletRequest parent;
	private String path;

	public ResourcesRequestWrapper(HttpServletRequest request, String path) {
		parent = request;
		this.path = path;
	}

	@Override
	public Object getAttribute(String name) {
		return parent.getAttribute(name);
	}

	@Override
	public String getAuthType() {
		return parent.getAuthType();
	}

	@Override
	public Cookie[] getCookies() {
		return parent.getCookies();
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	@Override
	public Enumeration getAttributeNames() {
		return parent.getAttributeNames();
	}

	@Override
	public long getDateHeader(String name) {
		return parent.getDateHeader(name);
	}

	@Override
	public String getCharacterEncoding() {
		return parent.getCharacterEncoding();
	}

	@Override
	public void setCharacterEncoding(String env)
			throws UnsupportedEncodingException {
		parent.setCharacterEncoding(env);
	}

	@Override
	public String getHeader(String name) {
		return parent.getHeader(name);
	}

	@Override
	public int getContentLength() {
		return parent.getContentLength();
	}

	@Override
	public String getContentType() {
		return parent.getContentType();
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	@Override
	public Enumeration getHeaders(String name) {
		return parent.getHeaders(name);
	}

	@Override
	public ServletInputStream getInputStream() throws IOException {
		return parent.getInputStream();
	}

	@Override
	public String getParameter(String name) {
		return parent.getParameter(name);
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	@Override
	public Enumeration getHeaderNames() {
		return parent.getHeaderNames();
	}

	@Override
	public int getIntHeader(String name) {
		return parent.getIntHeader(name);
	}

	@Override
	@SuppressWarnings({ "rawtypes", "unchecked" })
	public Enumeration getParameterNames() {
		return parent.getParameterNames();
	}

	@Override
	public String getMethod() {
		return parent.getMethod();
	}

	@Override
	public String[] getParameterValues(String name) {
		return parent.getParameterValues(name);
	}

	@Override
	public String getPathInfo() {
		return parent.getPathInfo();
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	@Override
	public Map getParameterMap() {
		return parent.getParameterMap();
	}

	@Override
	public String getPathTranslated() {
		return parent.getPathTranslated();
	}

	@Override
	public String getProtocol() {
		return parent.getProtocol();
	}

	@Override
	public String getScheme() {
		return parent.getScheme();
	}

	@Override
	public String getContextPath() {
		return parent.getContextPath();
	}

	@Override
	public String getServerName() {
		return parent.getServerName();
	}

	@Override
	public String getQueryString() {
		return parent.getQueryString();
	}

	@Override
	public int getServerPort() {
		return parent.getServerPort();
	}

	@Override
	public BufferedReader getReader() throws IOException {
		return parent.getReader();
	}

	@Override
	public String getRemoteUser() {
		return parent.getRemoteUser();
	}

	@Override
	public boolean isUserInRole(String role) {
		return parent.isUserInRole(role);
	}

	@Override
	public String getRemoteAddr() {
		return parent.getRemoteAddr();
	}

	@Override
	public String getRemoteHost() {
		return parent.getRemoteHost();
	}

	@Override
	public Principal getUserPrincipal() {
		return parent.getUserPrincipal();
	}

	@Override
	public String getRequestedSessionId() {
		return parent.getRequestedSessionId();
	}

	@Override
	public void setAttribute(String name, Object o) {
		parent.setAttribute(name, o);
	}

	@Override
	public String getRequestURI() {
		return cut(parent.getRequestURI());
	}

	private String cut(String in) {
		if (in == null || in.length() < path.length()) return in;
		in = in.substring(path.length());
		return in;
	}

	@Override
	public void removeAttribute(String name) {
		parent.removeAttribute(name);
	}

	@Override
	public Locale getLocale() {
		return parent.getLocale();
	}

	@Override
	public StringBuffer getRequestURL() {
		return parent.getRequestURL();
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	@Override
	public Enumeration getLocales() {
		return parent.getLocales();
	}

	@Override
	public String getServletPath() {
		return parent.getServletPath();
	}

	@Override
	public boolean isSecure() {
		return parent.isSecure();
	}

	@Override
	public RequestDispatcher getRequestDispatcher(String path) {
		return parent.getRequestDispatcher(path);
	}

	@Override
	public HttpSession getSession(boolean create) {
		return parent.getSession(create);
	}

	@Override
	public HttpSession getSession() {
		return parent.getSession();
	}

	@SuppressWarnings("deprecation")
	@Override
	public String getRealPath(String path) {
		return parent.getRealPath(path);
	}

	@Override
	public int getRemotePort() {
		return parent.getRemotePort();
	}

	@Override
	public boolean isRequestedSessionIdValid() {
		return parent.isRequestedSessionIdValid();
	}

	@Override
	public String getLocalName() {
		return parent.getLocalName();
	}

	@Override
	public boolean isRequestedSessionIdFromCookie() {
		return parent.isRequestedSessionIdFromCookie();
	}

	@Override
	public String getLocalAddr() {
		return parent.getLocalAddr();
	}

	@Override
	public boolean isRequestedSessionIdFromURL() {
		return parent.isRequestedSessionIdFromURL();
	}

	@Override
	public int getLocalPort() {
		return parent.getLocalPort();
	}

	@SuppressWarnings("deprecation")
	@Override
	public boolean isRequestedSessionIdFromUrl() {
		return parent.isRequestedSessionIdFromUrl();
	}

	// servlet api 3.1.0
	
	@Override
	public long getContentLengthLong() {
		return parent.getContentLengthLong();
	}

	@Override
	public ServletContext getServletContext() {
		return parent.getServletContext();
	}

	@Override
	public AsyncContext startAsync() throws IllegalStateException {
		return parent.startAsync();
	}

	@Override
	public AsyncContext startAsync(ServletRequest servletRequest, ServletResponse servletResponse)
			throws IllegalStateException {
		return parent.startAsync(servletRequest, servletResponse);
	}

	@Override
	public boolean isAsyncStarted() {
		return parent.isAsyncStarted();
	}

	@Override
	public boolean isAsyncSupported() {
		return parent.isAsyncSupported();
	}

	@Override
	public AsyncContext getAsyncContext() {
		return parent.getAsyncContext();
	}

	@Override
	public DispatcherType getDispatcherType() {
		return parent.getDispatcherType();
	}

	@Override
	public String changeSessionId() {
		return parent.changeSessionId();
	}

	@Override
	public boolean authenticate(HttpServletResponse response) throws IOException, ServletException {
		return parent.authenticate(response);
	}

	@Override
	public void login(String username, String password) throws ServletException {
		parent.login(username, password);
	}

	@Override
	public void logout() throws ServletException {
		parent.logout();
	}

	@Override
	public Collection getParts() throws IOException, ServletException {
		return parent.getParts();
	}

	@Override
	public Part getPart(String name) throws IOException, ServletException {
		return parent.getPart(name);
	}

	@Override
	public  T upgrade(Class handlerClass) throws IOException, ServletException {
		return parent.upgrade(handlerClass);
	}

}