org.apache.commons.collections15.AbstractExtendedTransformer.java Source code

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Here is the source code for org.apache.commons.collections15.AbstractExtendedTransformer.java

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/*
 * Copyright 2013 Lyor Goldstein
 * 
 * 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.commons.collections15;

import org.apache.commons.lang3.ExtendedValidate;

/**
 * @param <I> Input type 
 * @param <O> Output type
 * @author lgoldstein
 */
public abstract class AbstractExtendedTransformer<I, O> implements ExtendedTransformer<I, O> {
    private final Class<I> srcClass;
    private final Class<O> dstClass;

    protected AbstractExtendedTransformer(Class<I> sClass, Class<O> dClass) {
        srcClass = ExtendedValidate.notNull(sClass, "Missing source class");
        dstClass = ExtendedValidate.notNull(dClass, "Missing destination class");
    }

    @Override
    public final Class<I> getSourceType() {
        return srcClass;
    }

    @Override
    public final Class<O> getDestinationType() {
        return dstClass;
    }

    @Override
    public String toString() {
        return getClass().getSimpleName() + "#transform(" + getSourceType().getSimpleName() + ")" + " => "
                + getDestinationType().getSimpleName();
    }
}