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package tk.hongkailiu.test.app.junit;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by hongkailiu on 2015-04-12.
 */
public class MyIOUnit {
    protected List tokens = new ArrayList();

    public void read(InputStream input) throws IOException {
        StringBuilder builder = new StringBuilder();

        int data = input.read();
        while (data != -1) {
            if (((char) data) != ',') {
                builder.append((char) data);
            } else {
                this.tokens.add(builder.toString().trim());
                builder.delete(0, builder.length());
            }

            data = input.read();
        }
    }

    public void write(OutputStream output) throws IOException {
        for (int i = 0; i < tokens.size(); i++) {
            if (i > 0) {
                output.write(',');
            }
            output.write(tokens.get(i).getBytes());
        }
    }
}