Find a (UNIX) process in Java

Test.java

import java.lang.Process;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

class Test {
   static public class OsProcess {
      private Integer pid;
      private String name;

      public OsProcess(Integer pid, String name) {
         this.pid = pid;
         this.name = name;
      }

      public Integer getPid() {
         return pid;
      }

      public String getName() {
         return name;
      }

      @Override
         public String toString() {
            return String.format("%d : %s", pid, name);
         }
   }

   static public void main(String[] args) {
      List<OsProcess> processes = findByName(args[0]);
      System.out.println(processes);
   }

   static public List<OsProcess> findByName(String processNamePattern) {
      String cmd = "CPID=$$; ps -eo ppid,pid,command | tail -n +2 | grep \""+processNamePattern+"\" | awk -v CPID=$CPID '{PPID=$1; $1=\"\"; PID=$2; $2=\"\"; sub(/^ */, \"\"); if(CPID != PPID && CPID != PID) { print PID\"|\"$0}}'";
      return find(cmd);
   }

   static private List<OsProcess> find(String command) {
      List<OsProcess> processes = new ArrayList<OsProcess>();
      try {
         Process p = Runtime.getRuntime().exec(new String[]{"/bin/sh", "-c", command});
         BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
         String line = input.readLine();
         while (line != null) {
            List<String> data = Arrays.asList(line.split("\\|"));
            Integer pid = Integer.valueOf(data.get(0));
            String name = data.get(1);
            OsProcess np = new OsProcess(pid, name);
            processes.add(np);
            line = input.readLine();
         }
         input.close();
      } catch (IOException e) {
         throw new RuntimeException(e);
      }

      return processes;
   }
}