51 lines
1.8 KiB
Java
51 lines
1.8 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.jasper.compiler;
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import javax.servlet.ServletContext;
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import org.apache.tomcat.JarScanner;
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import org.apache.tomcat.util.scan.StandardJarScanner;
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/**
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* Provide a mechanism for Jasper to obtain a reference to the JarScanner
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* implementation.
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*/
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public class JarScannerFactory {
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private JarScannerFactory() {
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// Don't want any instances so hide the default constructor.
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}
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/**
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* Obtain the {@link JarScanner} associated with the specified {@link
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* ServletContext}. It is obtained via a context parameter.
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* @param ctxt The Servlet context
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* @return a scanner instance
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*/
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public static JarScanner getJarScanner(ServletContext ctxt) {
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JarScanner jarScanner =
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(JarScanner) ctxt.getAttribute(JarScanner.class.getName());
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if (jarScanner == null) {
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ctxt.log(Localizer.getMessage("jsp.warning.noJarScanner"));
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jarScanner = new StandardJarScanner();
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}
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return jarScanner;
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}
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}
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