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Ian Darwin's assorted Java stuff,
assembled as an API.
package com.darwinsys.util;
/** Utilities for debugging
* @author Ian Darwin, http://www.darwinsys.com/
*/
@Deprecated
public class Debug {
private static final String DEBUG_STRING = "debug.";
/** Static method to see if a given category of debugging is enabled.
* Enable by setting e.g., -Ddebug.fileio to debug file I/O operations.
* For example:
* if (Debug.isEnabled("fileio"))
* System.out.println("Starting to read file " + fileName);
*/
public static boolean isEnabled(String category) {
return System.getProperty(DEBUG_STRING + category) != null;
}
/** Static method to println a given message if the
* given category is enabled for debugging, as reported by isEnabled.
*/
public static void println(String category, String msg) {
if (isEnabled(category))
System.out.println(msg);
}
/** Static method to println an arbitrary Object if the given
* category is enabled for debugging, as reported by isEnabled.
*/
public static void println(String category, Object stuff) {
println(category, stuff.toString());
}
/** Invoke System.out.printf if and only if the given
* category is enabled for debugging, as reported by isEnabled.
*/
public static void printf(String category, String format, Object...objects) {
if (isEnabled(category))
System.out.printf(format, objects);
}
}