jetbrick.web.mvc.RequestContext Maven / Gradle / Ivy
/**
* Copyright 2013-2014 Guoqiang Chen, Shanghai, China. All rights reserved.
*
* Email: [email protected]
* URL: http://subchen.github.io/
*
* 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 jetbrick.web.mvc;
import java.io.File;
import java.util.*;
import javax.servlet.ServletContext;
import javax.servlet.http.*;
import jetbrick.ioc.Ioc;
import jetbrick.web.mvc.action.HttpMethod;
import jetbrick.web.mvc.config.WebConfig;
import jetbrick.web.mvc.multipart.*;
import jetbrick.web.mvc.results.ResultHandler;
import jetbrick.web.servlet.utils.RequestIntrospectUtils;
public class RequestContext {
private final static ThreadLocal threadContext = new InheritableThreadLocal();
private final HttpServletResponse response;
private final HttpServletRequest request;
private final String pathInfo;
private final HttpMethod httpMethod;
private final RouteInfo routeInfo;
protected RequestContext(HttpServletRequest request, HttpServletResponse response, String pathInfo, HttpMethod httpMethod, RouteInfo routeInfo) {
this.request = FileUploaderUtils.asRequest(request);// support multipart request
this.response = response;
this.pathInfo = pathInfo;
this.httpMethod = httpMethod;
this.routeInfo = routeInfo;
threadContext.set(this);
}
//--- thread context -------------------------------------------------
protected void destory() {
threadContext.remove();
}
public static RequestContext getCurrent() {
return threadContext.get();
}
//----- servlet ------------------------------------------
public HttpServletRequest getRequest() {
return request;
}
public HttpServletResponse getResponse() {
return response;
}
public ServletContext getServletContext() {
return request.getSession().getServletContext();
}
public HttpSession getSession() {
return request.getSession();
}
public WebConfig getWebConfig() {
return WebConfig.getInstance();
}
public RouteInfo getRouteInfo() {
return routeInfo;
}
public Ioc getIoc() {
return (Ioc) request.getServletContext().getAttribute(Ioc.class.getName());
}
//---- parameters ------------------------------------------------
public T getForm(T form) {
RequestIntrospectUtils.introspect(form, request);
return form;
}
public String getParameter(String key) {
return request.getParameter(key);
}
public String getParameter(String key, String defaultValue) {
String value = request.getParameter(key);
return value == null ? defaultValue : value;
}
public Integer getParameterAsInt(String key) {
return getParameterAsInt(key, null);
}
public Integer getParameterAsInt(String key, Integer defaultValue) {
String value = request.getParameter(key);
return value == null ? defaultValue : Integer.valueOf(value);
}
public Long getParameterAsLong(String key) {
return getParameterAsLong(key, null);
}
public Long getParameterAsLong(String key, Long defaultValue) {
String value = request.getParameter(key);
return value == null ? defaultValue : Long.valueOf(value);
}
public String[] getParameterValues(String key) {
return request.getParameterValues(key);
}
public String getHeader(String key) {
return request.getHeader(key);
}
public List getHeaders(String key) {
return Collections.list(request.getHeaders(key));
}
public Cookie[] getCookies() {
return request.getCookies();
}
public Cookie getCookie(String name) {
for (Cookie cookie : request.getCookies()) {
if (cookie.getName().equals(name)) {
return cookie;
}
}
return null;
}
public FilePart getFilePart(String name) {
if (request instanceof MultipartRequest) {
return ((MultipartRequest) request).getFile(name);
}
return null;
}
public FilePart getFilePart() {
Collection files = getFileParts();
if (files.size() > 0) {
return files.iterator().next();
}
return null;
}
public List getFileParts() {
if (request instanceof MultipartRequest) {
return ((MultipartRequest) request).getFiles();
}
return Collections.emptyList();
}
public String getPathVariable(String name) {
return routeInfo.getPathVariable(name);
}
//---- model ------------------------------------------------
public Model getModel() {
Model model = (Model) request.getAttribute(Model.NAME_IN_REQUEST);
if (model == null) {
model = new Model();
request.setAttribute(Model.NAME_IN_REQUEST, model);
}
return model;
}
//---- url ------------------------------------------------
public File getWebroot() {
return WebConfig.getInstance().getWebroot();
}
public String getPathInfo() {
return pathInfo;
}
public HttpMethod getHttpMethod() {
return httpMethod;
}
public String getContextPath() {
return request.getContextPath();
}
//---- result ------------------------------------------------
public void handleResult(Object result) throws Throwable {
handleResult(result.getClass(), result);
}
public void handleResult(Class resultClass, Object result) throws Throwable {
ResultHandlerResolver resolver = getIoc().getBean(ResultHandlerResolver.class);
ResultHandler