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/*
* 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.runtime;
import jakarta.servlet.ServletConfig;
import org.apache.jasper.compiler.Localizer;
import org.apache.tomcat.InstanceManager;
public class InstanceManagerFactory {
private InstanceManagerFactory() {
}
public static InstanceManager getInstanceManager(ServletConfig config) {
InstanceManager instanceManager =
(InstanceManager) config.getServletContext().getAttribute(InstanceManager.class.getName());
if (instanceManager == null) {
throw new IllegalStateException(Localizer.getMessage("jsp.error.noInstanceManager"));
}
return instanceManager;
}
}
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