Quantum version 2.4.1

[phpeclipse.git] / archive / net.sourceforge.phpeclipse.quantum.sql / src / com / quantum / model / DisplayableComparator.java

diff --git a/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/model/DisplayableComparator.java b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/model/DisplayableComparator.java
new file mode 100644 (file)
index 0000000..ab3f402
--- /dev/null
+++ b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/model/DisplayableComparator.java
@@ -0,0 +1,43 @@
+package com.quantum.model;
+
+import java.util.Comparator;
+
+
+/**
+ * This class is used to compare two displayable objects.
+ * 
+ * @author BC Holmes
+ */
+public class DisplayableComparator implements Comparator {
+
+       public int compare(Object arg0, Object arg1) {
+               if (arg0 == null && arg1 == null) {
+                       return 0;
+               } else if (arg0 == null) {
+                       return -1;
+               } else if (arg1 == null) {
+                       return 1;
+               } else {
+                       return compare((Displayable) arg0, (Displayable) arg1);
+               }
+       }
+
+       /**
+        * @param displayable0
+        * @param displayable1
+        * @return
+        */
+       private int compare(Displayable displayable0, Displayable displayable1) {
+               if (displayable0.getDisplayName() == null && displayable1.getDisplayName() == null) {
+                       return 0;
+               } else if (displayable0.getDisplayName() == null) {
+                       return -1;
+               } else if (displayable1.getDisplayName() == null) {
+                       return 1;
+               } else {
+                       return displayable0.getDisplayName().toLowerCase().compareTo(
+                                       displayable1.getDisplayName().toLowerCase());
+               }
+       }
+
+}