Java Collection Find findClass(String name, Collection availableImports, ClassLoader cl)

Description

find Class

License

Apache License

Declaration

public static Class<?> findClass(String name, Collection<String> availableImports, ClassLoader cl) 

Method Source Code

//package com.java2s;
/*/*from   w  w  w .j  av  a2 s.  c  o  m*/
 * Copyright 2010 JBoss Inc
 *
 * 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.
 */

import java.util.Collection;

public class Main {
    public static Class<?> findClass(String name, Collection<String> availableImports, ClassLoader cl) {
        Class<?> clazz = null;
        for (String imp : availableImports) {
            if (imp.endsWith(".*")) {
                imp = imp.substring(0, imp.length() - 2);
            }
            String className = imp.endsWith(name) ? imp : imp + "." + name;
            clazz = findClass(className, cl);
            if (clazz != null) {
                break;
            }
        }
        return clazz;
    }

    public static Class<?> findClass(String className, ClassLoader cl) {
        try {
            return Class.forName(className, false, cl);
        } catch (ClassNotFoundException e) {
            int lastDot = className.lastIndexOf('.');
            className = className.substring(0, lastDot) + "$" + className.substring(lastDot + 1);
            try {
                return Class.forName(className, false, cl);
            } catch (ClassNotFoundException e1) {
            }
        }
        return null;
    }
}

Related

1. findCommonElementType(Collection collection)
2. findCommonElementType(Collection collection)
3. findCommonElementType(Collection collection)
4. findCommonElementType(Collection collection)