/*
* Copyright 2002-2008 the original author or authors.
*
* 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 org.springframework.web.servlet.mvc.annotation;
import javax.servlet.http.HttpServletRequest;
import org.springframework.util.ObjectUtils;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.util.WebUtils;
/**
* Helper class for annotation-based request mapping.
*
* @author Juergen Hoeller
* @since 2.5.2
*/
abstract class ServletAnnotationMappingUtils {
/**
* Check whether the given request matches the specified request methods.
* @param methods the HTTP request methods to check against
* @param request the current HTTP request to check
*/
public static boolean checkRequestMethod(RequestMethod[] methods, HttpServletRequest request) {
if (!ObjectUtils.isEmpty(methods)) {
boolean match = false;
for (RequestMethod method : methods) {
if (method.name().equals(request.getMethod())) {
match = true;
}
}
if (!match) {
return false;
}
}
return true;
}
/**
* Check whether the given request matches the specified parameter conditions.
* @param params the parameter conditions, following
* {@link org.springframework.web.bind.annotation.RequestMapping#params()}
* @param request the current HTTP request to check
*/
public static boolean checkParameters(String[] params, HttpServletRequest request) {
if (!ObjectUtils.isEmpty(params)) {
for (String param : params) {
int separator = param.indexOf('=');
if (separator == -1) {
if (param.startsWith("!")) {
if (WebUtils.hasSubmitParameter(request, param.substring(1))) {
return false;
}
}
else if (!WebUtils.hasSubmitParameter(request, param)) {
return false;
}
}
else {
String key = param.substring(0, separator);
String value = param.substring(separator + 1);
if (!value.equals(request.getParameter(key))) {
return false;
}
}
}
}
return true;
}
}