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Tomcat example source code file (

This example Tomcat source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

beanrepository, beanrepository, class, class, classloader, classnotfoundexception, errordispatcher, hashmap, jasperexception, jasperexception, string, string, util

The Tomcat source code

 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * 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
 * @author Remy Maucherat
public class BeanRepository {

    protected HashMap<String, String> beanTypes;
    protected ClassLoader loader;
    protected ErrorDispatcher errDispatcher;

     * Constructor.
    public BeanRepository(ClassLoader loader, ErrorDispatcher err) {
        this.loader = loader;
        this.errDispatcher = err;
        beanTypes = new HashMap<String, String>();

    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"))) {
            errDispatcher.jspError(n, "jsp.error.usebean.badScope");

        beanTypes.put(s, type);
    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);


Other Tomcat examples (source code examples)

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