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Debug.java

package gov.nasa.arc.ase.util;

public class Debug {
  public static final int ERROR     = 0;
  public static final int WARNING   = 1;
  public static final int MESSAGE   = 2;
  public static final int DEBUG     = 3;
  private static final int LAST_LEVEL   = 4;

  public static final int DEFAULT   = 0;
  public static final int RACE      = 1;
  public static final int LOCK_ORDER    = 2;         
  public static final int DEPEND        = 3;
  public static final int DISTRIBUTED   = 4;
  public static final int SEARCH    = 5;
  public static final int TRACE     = 6;
  private static final int LAST_KIND    = 7;

  private static int[] enabled = new int[LAST_KIND];
  private static String[] levels = {
    "error",
    "warning",
    "message",
    "debug"
  };

  private static String[] kinds = {
    "default",
    "race",
    "lock-order",
    "depend",
    "distributed",
    "search",
    "trace"
  };

  public static int getDebugLevel() {
    return enabled[DEFAULT];
  }  
  public static int getDebugLevel(int k) {
    return enabled[k];
  }  
  public static int getDebugLevel(String ks) {
    int k = mapKind(ks);
    if(k == -1) throw new IllegalArgumentException(ks + " is not a valid kind");

    return enabled[k];
  }  
  public static int mapKind(String ks) {
    for(int k = 0; k < LAST_KIND; k++)
      if(ks.equals(kinds[k])) return k;
    return -1;
  }  
  public static int mapLevel(String ls) {
    for(int l = 0; l < LAST_LEVEL; l++)
      if(ls.equals(levels[l])) return l;
    return -1;
  }  
  public static void print(int l, int k, Object o) {
    if(l <= enabled[k])
      System.err.print(o);
  }  
  public static void print(int l, int k, String s) {
    if(l <= enabled[k])
      System.err.print(s);
  }  
  public static void print(int l, Object o) {
    if(l <= enabled[DEFAULT])
      System.err.print(o);
  }  
  public static void print(int l, String s) {
    if(l <= enabled[DEFAULT])
      System.err.print(s);
  }  
  public static void println(int l) {
    if(l <= enabled[DEFAULT])
      System.err.println();
  }  
  public static void println(int l, int k) {
    if(l <= enabled[k])
      System.err.println();
  }  
  public static void println(int l, int k, Object o) {
    if(l <= enabled[k])
      System.err.println(o);
  }  
  public static void println(int l, int k, String s) {
    if(l <= enabled[k])
      System.err.println(s);
  }  
  public static void println(int l, Object o) {
    if(l <= enabled[DEFAULT])
      System.err.println(o);
  }  
  public static void println(int l, String s) {
    if(l <= enabled[DEFAULT])
      System.err.println(s);
  }  
  public static void setDebugLevel(int l) {
    if(l < 0 || l >= LAST_LEVEL)  throw new IllegalArgumentException("0 <= level < " + LAST_LEVEL);

    enabled[DEFAULT] = l;
  }  
  public static void setDebugLevel(int l, int k) {
    if(l < 0 || l >= LAST_LEVEL)  throw new IllegalArgumentException("0 <= level < " + LAST_LEVEL);
    if(k < 0 || k >= LAST_KIND) throw new IllegalArgumentException("0 <= kind < " + LAST_KIND);

    enabled[k] = l;
  }  
  public static void setDebugLevel(int l, String ks) {
    if(l < 0 || l >= LAST_LEVEL)  throw new IllegalArgumentException("0 <= level < " + LAST_LEVEL);

    int k = mapKind(ks);
    if(k == -1) throw new IllegalArgumentException(ks + " is not a valid kind");

    enabled[k] = l;
  }  
  public static void setDebugLevel(String ls) {
    int l = mapLevel(ls);
    if(l == -1) throw new IllegalArgumentException(ls + " is not a valid level");

    enabled[DEFAULT] = l;
  }  
  public static void setDebugLevel(String ls, int k) {
    if(k < 0 || k >= LAST_KIND) throw new IllegalArgumentException("0 <= kind < " + LAST_KIND);

    int l = mapLevel(ls);
    if(l == -1) throw new IllegalArgumentException(ls + " is not a valid level");

    enabled[k] = l;
  }  
  public static void setDebugLevel(String ls, String ks) {
    int l = mapLevel(ls);
    if(l == -1) throw new IllegalArgumentException(ls + " is not a valid level");

    int k = mapKind(ks);
    if(k == -1) throw new IllegalArgumentException(ks + " is not a valid kind");

    enabled[k] = l;
  }  
  public static String status() {
    StringBuffer sb = new StringBuffer();
    for(int k = 1; k < LAST_KIND; k++) {
      int l = enabled[k];

      if(l != ERROR) {
    if(sb.length() != 0) sb.append(",");
    sb.append(kinds[k]);
    sb.append("=");
    sb.append(levels[l]);
      }
    }

    return sb.toString();
  }  
}

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