org.impalaframework.web.utils.ServletContextUtils Maven / Gradle / Ivy
/*
* Copyright 2007-2010 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.impalaframework.web.utils;
import javax.servlet.ServletContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Class holding utility {@link ServletContext} related methods.
* @author Phil Zoio
*/
public abstract class ServletContextUtils {
private static final Log logger = LogFactory.getLog(ServletContextUtils.class);
public static boolean isAtLeast25(ServletContext servletContext) {
return servletContext.getMajorVersion() >= 2 && servletContext.getMinorVersion() >= 5;
}
public static String getContextPathWithoutSlash(ServletContext servletContext) {
String contextPath;
try {
contextPath = servletContext.getContextPath();
if (contextPath.startsWith("/")) {
contextPath = contextPath.substring(1);
}
return contextPath;
}
catch (NoSuchMethodError e) {
logger.warn(NoSuchMethodError.class.getName() + " called when attempting to call ServletContext.getContextPath(). Check that you have packaged your application with a Servlet API jar for version 2.5 or later");
return null;
}
}
}