org.impalaframework.web.module.WebModuleUtils 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.module;
import javax.servlet.ServletContext;
import org.impalaframework.web.utils.ServletContextUtils;
public class WebModuleUtils {
public static String getParamValue(ServletContext servletContext, String paramName) {
String resourceName = null;
// first look for System property which contains module definitions location
final boolean supportsContextPath = ServletContextUtils.isAtLeast25(servletContext);
if (supportsContextPath) {
//Issue 330 - returns null if no such method error is thrown
String contextPath = ServletContextUtils.getContextPathWithoutSlash(servletContext);
if (contextPath != null) {
resourceName = System.getProperty(contextPath + "." + paramName);
}
}
if (resourceName == null) {
resourceName = System.getProperty(paramName);
}
if (resourceName == null) {
resourceName = servletContext.getInitParameter(paramName);
}
return resourceName;
}
}