antstatustester.java

Java5.0 Tiger 程序员高手秘笈一书的源代码

package com.oreilly.tiger.ch03;

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

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();
    }
  }
}