Example usage for org.apache.hadoop.hdfs DFSUtilClient string2Bytes

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs DFSUtilClient string2Bytes.

Prototype

public static byte[] string2Bytes(String str) 

Source Link

Document

Converts a string to a byte array using UTF8 encoding.

Usage

From source file:TestDFSUtilClient.java

License:Apache License

@Test
public void testString2Bytes() {
    final long numLoop = 100000000;
    final String str = "testString2Bytes";
    byte[] b = null;
    long start = Time.monotonicNow();
    for (int i = 0; i < numLoop; i++) {
        b = DFSUtilClient.string2Bytes(str);
    }/*from   ww  w.  j av a  2s  . c om*/
    long end = Time.monotonicNow();
    System.out.println(new String(b, StandardCharsets.UTF_8));
    System.out.println("Elapsed time: " + (end - start));

    start = Time.monotonicNow();
    for (int i = 0; i < numLoop; i++) {
        b = str.getBytes(StandardCharsets.UTF_8);
    }
    end = Time.monotonicNow();
    System.out.println(new String(b, StandardCharsets.UTF_8));
    System.out.println("Elapsed time: " + (end - start));

    start = Time.monotonicNow();
    for (int i = 0; i < numLoop; i++) {
        b = DFSUtilClient.string2Bytes(str);
    }
    end = Time.monotonicNow();
    System.out.println(new String(b, StandardCharsets.UTF_8));
    System.out.println("Elapsed time: " + (end - start));

    start = Time.monotonicNow();
    for (int i = 0; i < numLoop; i++) {
        b = str.getBytes(StandardCharsets.UTF_8);
    }
    end = Time.monotonicNow();
    System.out.println(new String(b, StandardCharsets.UTF_8));
    System.out.println("Elapsed time: " + (end - start));
}

---