[Bleeding] Moved HelpTopicComparator to Bukkit.jar. Addresses BUKKIT-1193

This commit is contained in:
rmichela 2012-03-16 03:41:41 -04:00 committed by EvilSeph
parent 4589e943f6
commit 82fab5b2d5

View File

@ -1,46 +0,0 @@
package org.bukkit.craftbukkit.help;
import org.bukkit.help.HelpTopic;
import java.util.Comparator;
/**
* Used to impose a custom total ordering on help topics. All topics are listed in alphabetic order, but topics
* that start with a slash come after topics that don't.
*/
public class HelpTopicComparator implements Comparator<HelpTopic> {
// Singleton implementations
private static final TopicNameComparator tnc = new TopicNameComparator();
public static TopicNameComparator topicNameComparatorInstance() {
return tnc;
}
private static final HelpTopicComparator htc = new HelpTopicComparator();
public static HelpTopicComparator helpTopicComparatorInstance() {
return htc;
}
private HelpTopicComparator() {}
public int compare(HelpTopic lhs, HelpTopic rhs) {
return tnc.compare(lhs.getName(), rhs.getName());
}
public static class TopicNameComparator implements Comparator<String> {
private TopicNameComparator(){}
public int compare(String lhs, String rhs) {
boolean lhsStartSlash = lhs.startsWith("/");
boolean rhsStartSlash = rhs.startsWith("/");
if (lhsStartSlash && !rhsStartSlash) {
return 1;
} else if (!lhsStartSlash && rhsStartSlash) {
return -1;
} else {
return lhs.compareToIgnoreCase(rhs);
}
}
}
}