/*
 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.tools.internal.ws.processor.generator;

import com.sun.tools.internal.ws.wscompile.Options;


/**
 *
 * @author WS Development Team
 */
public class GeneratorUtil {

    public static boolean classExists(
        Options options,
        String className) {
        try {
            // Takes care of inner classes.
            getLoadableClassName(className, options.getClassLoader());
            return true;
        } catch(ClassNotFoundException ce) {
            return false;
        }
    }

    private static String getLoadableClassName(
        String className,
        ClassLoader classLoader)
        throws ClassNotFoundException {

        try {
            Class.forName(className, true, classLoader);
        } catch (ClassNotFoundException e) {
            int idx = className.lastIndexOf(GeneratorConstants.DOTC.getValue());
            if (idx > -1) {
                String tmp = className.substring(0, idx) + GeneratorConstants.SIG_INNERCLASS.getValue();
                tmp += className.substring(idx + 1);
                return getLoadableClassName(tmp, classLoader);
            }
            throw e;
        }
        return className;
    }
}
