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'databene commons' is an open source Java library by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

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/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * 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.databene.commons.validator;

import org.databene.commons.ArrayFormat;
import org.databene.commons.ArrayUtil;
import org.databene.commons.Validator;

/**
 * Abstract {@link Validator} implementation that combines the evaluation results of other Validators.
 * Created: 20.11.2007 09:50:13
 * @param  the object type to be validated
 * @author Volker Bergmann
 */
public abstract class CompositeValidator implements Validator {

    protected Validator[] subValidators;

    protected CompositeValidator(Validator[] subValidators) {
        this.subValidators = subValidators;
    }

	public void add(Validator validator) {
		subValidators = ArrayUtil.append(validator, subValidators);
	}
	
    @Override
	public String toString() {
        return getClass().getSimpleName() + '[' + ArrayFormat.format(subValidators) + ']';
    }
}