Java enum: EnumMap and Ant status : Enum « Language Basics « Java






Java enum: EnumMap and Ant status

Java enum: EnumMap and Ant status
  

/*
License for Java 1.5 'Tiger': A Developer's Notebook
     (O'Reilly) example package

Java 1.5 'Tiger': A Developer's Notebook (O'Reilly) 
by Brett McLaughlin and David Flanagan.
ISBN: 0-596-00738-8

You can use the examples and the source code any way you want, but
please include a reference to where it comes from if you use it in
your own products or services. Also note that this software is
provided by the author "as is", with no expressed or implied warranties. 
In no event shall the author be liable for any direct or indirect
damages arising in any way out of the use of this software.
*/


import java.io.IOException;
import java.io.PrintStream;
import java.util.EnumMap;

enum AntStatus {
  INITIALIZING,
  COMPILING,
  COPYING,
  JARRING,
  ZIPPING,
  DONE,
  ERROR
}
public class AntStatusTester {

  public AntStatusTester() { }

  public void testEnumMap(PrintStream out) throws IOException {
    // Create a map with the key and a String message
    EnumMap<AntStatus, String> antMessages =
      new EnumMap<AntStatus, String>(AntStatus.class);

    // Initialize the map
    antMessages.put(AntStatus.INITIALIZING, "Initializing Ant...");
    antMessages.put(AntStatus.COMPILING,    "Compiling Java classes...");
    antMessages.put(AntStatus.COPYING,      "Copying files...");
    antMessages.put(AntStatus.JARRING,      "JARring up files...");
    antMessages.put(AntStatus.ZIPPING,      "ZIPping up files...");
    antMessages.put(AntStatus.DONE,         "Build complete.");
    antMessages.put(AntStatus.ERROR,        "Error occurred.");

    // Iterate and print messages
    for (AntStatus status : AntStatus.values() ) {
      out.println("For status " + status + ", message is: " +
                  antMessages.get(status));
    }
  }

  public static void main(String[] args) {
    try {
      AntStatusTester tester = new AntStatusTester();

      tester.testEnumMap(System.out);
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}


           
         
    
  








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