]> git.argeo.org Git - gpl/argeo-slc.git/blobdiff - org.argeo.slc.client.ui.dist/src/org/argeo/slc/client/ui/dist/utils/VersionComparator.java
Clarify SLC project structure.
[gpl/argeo-slc.git] / org.argeo.slc.client.ui.dist / src / org / argeo / slc / client / ui / dist / utils / VersionComparator.java
diff --git a/org.argeo.slc.client.ui.dist/src/org/argeo/slc/client/ui/dist/utils/VersionComparator.java b/org.argeo.slc.client.ui.dist/src/org/argeo/slc/client/ui/dist/utils/VersionComparator.java
deleted file mode 100644 (file)
index 34aff22..0000000
+++ /dev/null
@@ -1,69 +0,0 @@
-package org.argeo.slc.client.ui.dist.utils;
-
-import org.eclipse.jface.viewers.Viewer;
-import org.eclipse.jface.viewers.ViewerComparator;
-
-/**
- * Enable comparison of two version string with form "1.2.5.qualifier" with
- * following rules and assumptions:
- * <ul>
- * <li>
- * Version are parsed and compared segment by segment; doing best effort to
- * convert major, minor and micro to integer and compare them as such (to have
- * 0.1 < 0.9 < 0.10 not 0.1 < 0.10 < 0.9).</li>
- * <li>Version should not contain any dash (-), version segments should be
- * separated by dots (.)</li>
- * </ul>
- */
-
-public class VersionComparator extends ViewerComparator {
-       private static final long serialVersionUID = 3760077835650538982L;
-
-       @Override
-       public int compare(Viewer viewer, Object e1, Object e2) {
-               String s1 = (String) e1;
-               String s2 = (String) e2;
-               return compareVersion(s1, s2);
-       }
-
-       /**
-        * Enable comparison of two versions of the form
-        * "major.minor.micro.qualifier". We assume the separator is always a "."
-        * and make best effort to convert major, minor and micro to int.
-        */
-       private int compareVersion(String v1, String v2) {
-               String[] t1 = v1.split("\\.");
-               String[] t2 = v2.split("\\.");
-
-               for (int i = 0; i < t1.length && i < t2.length; i++) {
-                       int result = compareToken(t1[i], t2[i]);
-                       if (result != 0)
-                               return result;
-               }
-               if (t1.length > t2.length)
-                       return 1;
-               else if (t1.length < t2.length)
-                       return -1;
-               else
-                       return 0;
-       }
-
-       private int compareToken(String t1, String t2) {
-               if (t1 == null && t2 == null)
-                       return 0;
-               else if (t1 == null)
-                       return -1;
-               else if (t2 == null)
-                       return 1;
-
-               Integer i1 = null, i2 = null;
-               try {
-                       i1 = new Integer(t1);
-                       i2 = new Integer(t2);
-               } catch (NumberFormatException nfe) {
-                       // the format is not valid we silently compare as String
-                       return t1.compareTo(t2);
-               }
-               return i1.compareTo(i2);
-       }
-}
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