move all comparators to a new package

extract interface and common implementation details of sorting

1 files changed, 39 insertions, 0 deletions

diff --git a/src/cgeo/geocaching/sorting/VoteComparator.java b/src/cgeo/geocaching/sorting/VoteComparator.java
new file mode 100644
index 0000000..0039c7c
--- /dev/null
+++ b/src/cgeo/geocaching/sorting/VoteComparator.java
@@ -0,0 +1,39 @@
+package cgeo.geocaching.sorting;
+
+import cgeo.geocaching.cgCache;
+
+/**
+ * sorts caches by the users own voting (if available at all)
+ *
+ * @author bananeweizen
+ *
+ */
+public class VoteComparator extends AbstractCacheComparator {
+
+	@Override
+	protected boolean canCompare(cgCache cache1, cgCache cache2) {
+		return true;
+	}
+
+	@Override
+	protected int compareCaches(cgCache cache1, cgCache cache2) {
+		// if there is no vote available, put that cache at the end of the list
+		float vote1 = 0;
+		if (cache1.myVote != null) {
+			vote1 = cache1.myVote;
+		}
+
+		float vote2 = 0;
+		if (cache2.myVote != null) {
+			vote2 = cache2.myVote;
+		}
+
+		// compare
+		if (vote1 < vote2) {
+			return 1;
+		} else if (vote2 < vote1) {
+			return -1;
+		}
+		return 0;
+	}
+}