ApplicationMapping.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.catalina.core;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.RequestFacade;
import org.apache.catalina.mapper.MappingData;
public class ApplicationMapping {
private final MappingData mappingData;
private volatile ApplicationMappingImpl mapping = null;
public ApplicationMapping(MappingData mappingData) {
this.mappingData = mappingData;
}
public ApplicationMappingImpl getHttpServletMapping() {
if (mapping == null) {
if (mappingData == null) {
// This can happen when dispatching from an application provided
// request object that does not provide the Servlet 4.0 mapping
// data.
mapping = new ApplicationMappingImpl("", "", null, "");
} else {
String servletName;
if (mappingData.wrapper == null) {
servletName = "";
} else {
servletName = mappingData.wrapper.getName();
}
if (mappingData.matchType == null) {
mapping = new ApplicationMappingImpl("", "", null, servletName);
} else {
switch (mappingData.matchType) {
case CONTEXT_ROOT:
mapping = new ApplicationMappingImpl("", "", mappingData.matchType, servletName);
break;
case DEFAULT:
mapping = new ApplicationMappingImpl("", "/", mappingData.matchType, servletName);
break;
case EXACT:
mapping = new ApplicationMappingImpl(mappingData.wrapperPath.toString().substring(1),
mappingData.wrapperPath.toString(), mappingData.matchType, servletName);
break;
case EXTENSION:
String path = mappingData.wrapperPath.toString();
int extIndex = path.lastIndexOf('.');
mapping = new ApplicationMappingImpl(path.substring(1, extIndex),
"*" + path.substring(extIndex), mappingData.matchType, servletName);
break;
case PATH:
String matchValue;
if (mappingData.pathInfo.isNull()) {
matchValue = null;
} else {
matchValue = mappingData.pathInfo.toString().substring(1);
}
mapping = new ApplicationMappingImpl(matchValue, mappingData.wrapperPath.toString() + "/*",
mappingData.matchType, servletName);
break;
}
}
}
}
return mapping;
}
public void recycle() {
mapping = null;
}
public static ApplicationMappingImpl getHttpServletMapping(HttpServletRequest request) {
if (request instanceof RequestFacade) {
return ((RequestFacade) request).getHttpServletMapping();
} else if (request instanceof Request) {
return ((Request) request).getHttpServletMapping();
} else if (request instanceof ApplicationHttpRequest) {
return ((ApplicationHttpRequest) request).getHttpServletMapping();
}
return (new ApplicationMapping(null)).getHttpServletMapping();
}
public static ApplicationMappingImpl getHttpServletMapping(HttpServletRequestWrapper wrapper) {
if (wrapper instanceof ApplicationHttpRequest) {
return ((ApplicationHttpRequest) wrapper).getHttpServletMapping();
}
return (new ApplicationMapping(null)).getHttpServletMapping();
}
}