| /* |
| * 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.jasper.compiler; |
| |
| import javax.servlet.ServletContext; |
| |
| import org.apache.tomcat.JarScanner; |
| import org.apache.tomcat.util.scan.StandardJarScanner; |
| |
| /** |
| * Provide a mechanism for Jasper to obtain a reference to the JarScanner |
| * implementation. |
| */ |
| public class JarScannerFactory { |
| |
| private JarScannerFactory() { |
| // Don't want any instances so hide the default constructor. |
| } |
| |
| /** |
| * Obtain the {@link JarScanner} associated with the specified {@link |
| * ServletContext}. It is obtained via a context parameter. |
| */ |
| public static JarScanner getJarScanner(ServletContext ctxt) { |
| JarScanner jarScanner = |
| (JarScanner) ctxt.getAttribute(JarScanner.class.getName()); |
| if (jarScanner == null) { |
| ctxt.log(Localizer.getMessage("jsp.warning.noJarScanner")); |
| jarScanner = new StandardJarScanner(); |
| } |
| return jarScanner; |
| } |
| |
| } |