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'Edifatto' is an open source software library for parsing, generating and verifying EDIFACT and X12 documents written by Volker Bergmann.

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/*
 * Copyright (C) 2013-2014 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.edifatto.model;

import java.util.ArrayList;
import java.util.List;

import org.databene.edifatto.definition.CompositeDefinition;

/**
 * Combines {@link Component}s to a group.


 * Created: 28.06.2014 15:57:59
 * @since 2.0.0
 * @author Volker Bergmann
 */

public class Composite extends AbstractSegmentItem implements EdiParent {

	private static final long serialVersionUID = 1L;

	private CompositeDefinition definition;
	private List children;

	public Composite(CompositeDefinition definition, Segment segment) {
		super(segment);
		setParent(segment);
		this.definition = definition;
		this.children = new ArrayList();
	}

	@Override
	public CompositeDefinition getDefinition() {
		return definition;
	}

	public void setDefinition(CompositeDefinition definition) {
		this.definition = definition;
	}
	
	@Override
	public int getChildCount() {
		return children.size();
	}

	@Override
	public Component getChild(int index) {
		return children.get(index);
	}
	
	public List getChildren() {
		return children;
	}
	
	@Override
	public void addChild(Component child) {
		child.setParent(this);
		children.add(child);
	}

	@Override
	public void removeChild(Component child) {
		children.remove(child);
	}
	
	@Override
	public void accept(EdiVisitor visitor) {
		visitor.startVisit(this);
		for (Component component : children)
			component.accept(visitor);
		visitor.endVisit(this);
	}
	
	@Override
	public String toString() {
		StringBuilder builder = new StringBuilder();
		for (int i = 0; i < children.size(); i++) {
			if (i > 0)
				builder.append(':');
			builder.append(children.get(i));
		}
		return builder.toString();
	}

}