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package designpattern.composite;

import java.util.ArrayList;

import java.util.List;

import util.StringUtil;

/**

* 定义有枝节点行为，用来存储子部件

*

* @author liu yuning

*

*/

public class Composite extends Component {

private List<Component> children = new ArrayList<Component>();

public Composite(String name) {

super(name);

}

@Override

public void add(Component component) {

children.add(component);

}

@Override

public void remove(Component component) {

children.remove(component);

}

@Override

public void display(int depth) {

// 显示其枝节点名称，并对其下级进行遍历

System.out.println(StringUtil.repeatableString("-", depth) + this.name);

for (Component component : children) {

component.display(depth + 2);

}

}

}