DefaultClassNameUtils.java

/*
 *
 *  * Copyright (c) 2016. David Sowerby
 *  *
 *  * 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 uk.q3c.util;

import javax.annotation.Nonnull;

import static com.google.common.base.Preconditions.checkNotNull;

public class DefaultClassNameUtils implements ClassNameUtils {

    @Override
    @Nonnull
    public String simpleClassNameEnhanceRemoved(@Nonnull Class<?> clazz) {
        checkNotNull(clazz);
        String simpleName = clazz.getSimpleName();
        if (simpleName.contains("$$Enhancer")) {
            simpleName = simpleName.substring(0, simpleName.indexOf("$$Enhancer"));

            // could be an inner class
            if (simpleName.contains("$")) {
                int index = simpleName.indexOf('$');
                simpleName = simpleName.substring(index + 1, simpleName.length());
            }

        }

        return simpleName;
    }


    @Override
    @Nonnull
    public Class<?> classWithEnhanceRemoved(@Nonnull Class<?> clazz) {
        checkNotNull(clazz);
        while (clazz.getName()
                    .contains("$$EnhancerByGuice")) {
            clazz = clazz.getSuperclass();
        }
        return clazz;
    }

}