stdin2multimap.java

import java.io.*;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;

public class Graphml2FileSystemStdin {

    public static void main(String[] args) {
        
        Multimap<String, String> parentToChildren = HashMultimap.create();
        BufferedReader br = null;
        try {
            br = new BufferedReader(new InputStreamReader(System.in));
            String line;
            while ((line = br.readLine()) != null) {
                // log message
                System.err.println("[DEBUG] current line is: " + line);
                
                String[] elements = line.split("::");
                String parent = elements[0];
                String child = elements[1];
                
                parentToChildren.put(parent, child);
                
                // program output
                System.out.println(line);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (br != null) {
                try {
                    br.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}