package com.test;

import java.util.ArrayList;

import java.util.List;

public class FileTest {

	public static void main(String[] args) {

		List<FileBean> beans=new ArrayList<FileBean>();

		FileBean bean1=new FileBean();

		bean1.setDirectory("path1");

		bean1.setSize(20);

		beans.add(bean1);

		FileBean bean2=new FileBean();

		bean2.setDirectory("path1");

		bean2.setSize(30);

		beans.add(bean2);

		FileBean bean3=new FileBean();

		bean3.setDirectory("path1");

		bean3.setSize(40);

		beans.add(bean3);

		FileBean bean4=new FileBean();

		bean4.setDirectory("path2");

		bean4.setSize(50);

		beans.add(bean4);

		FileBean bean5=new FileBean();

		bean5.setDirectory("path2");

		bean5.setSize(60);

		beans.add(bean5);

		FileBean bean6=new FileBean();

		bean6.setDirectory("path3");

		bean6.setSize(70);

		beans.add(bean6);

		FileBean bean7=new FileBean();

		bean7.setDirectory("path3");

		bean7.setSize(80);

		beans.add(bean7);

		FileBean bean8=new FileBean();

		bean8.setDirectory("path3");

		bean8.setSize(90);

		beans.add(bean8);

		List<FileBean> result = transferFilebean(beans);

		System.out.println(result.size());

		for(int i = 0; i< result.size();i++){

			FileBean bean = result.get(i);

			System.out.println(bean.getDirectory() + ";" + bean.getSize());

		}

	}

	public static List<FileBean> transferFilebean(List<FileBean> beans){

		List<FileBean> result = new ArrayList<FileBean>();

		if(beans == null){

			return result;

		}

		for(int i = 0; i< beans.size();i++){

			FileBean bean = beans.get(i);

			if(!result.contains(bean)){

				for(int j = i+1; j< beans.size();j++){

					FileBean bean2 = beans.get(j);

					if(bean.equals(bean2)){

						bean.setSize(bean.getSize()+bean2.getSize());

					}

				}

				result.add(bean);

			}

		}

		return result;

	}

}

class FileBean {

	private String directory;

	private long size;

	private int dirNum;

	public String getDirectory() {

		return directory;

	}

	public void setDirectory(String directory) {

		this.directory = directory;

	}

	public long getSize() {

		return size;

	}

	public void setSize(long size) {

		this.size = size;

	}

	public int getDirNum() {

		return dirNum;

	}

	public void setDirNum(int dirNum) {

		this.dirNum = dirNum;

	}

	@Override

	public int hashCode() {

		final int prime = 31;

		int result = 1;

		result = prime * result + ((directory == null) ? 0 : directory.hashCode());

		result = prime * result + (int) (size ^ (size >>> 32));

		return result;

	}

	@Override

	public boolean equals(Object obj) {

		if (this == obj)

			return true;

		if (obj == null)

			return false;

		if (getClass() != obj.getClass())

			return false;

		FileBean other = (FileBean) obj;

		if (directory == null) {

			if (other.directory != null)

				return false;

		} else if (!directory.equals(other.directory))

			return false;

		return true;

	}

}