org.apache.jasper.compiler.BeanRepository Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
* Copyright 2004 The Apache Software Foundation
*
* 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.apache.jasper.compiler;
import java.util.HashMap;
import org.apache.jasper.JasperException;
/**
* Repository of {page, request, session, application}-scoped beans
*
* @author Mandar Raje
*/
class BeanRepository {
private HashMap beanTypes;
private ClassLoader loader;
private ErrorDispatcher errDispatcher;
/*
* Constructor.
*/
public BeanRepository(ClassLoader loader, ErrorDispatcher err) {
this.loader = loader;
this.errDispatcher = err;
beanTypes = new HashMap();
}
public void addBean(Node.UseBean n, String s, String type, String scope)
throws JasperException {
if (scope == null || scope.equals("page") ||
scope.equals("request") ||
scope.equals("session") ||
scope.equals("application") )
{
beanTypes.put(s, type);
} else {
errDispatcher.jspError(n, "jsp.error.invalid.scope", scope);
}
}
public Class getBeanType(String bean) throws JasperException {
Class clazz = null;
try {
clazz = loader.loadClass (beanTypes.get(bean));
} catch (ClassNotFoundException ex) {
throw new JasperException (ex);
}
return clazz;
}
public boolean checkVariable (String bean) {
return beanTypes.containsKey(bean);
}
}