From d1f45bb5550be7afc6c38a83b6be2abb04e3b6f0 Mon Sep 17 00:00:00 2001
From: Xavier Le Vourch <xlv@users.sourceforge.net>
Date: Fri, 20 Oct 2006 22:50:18 +0000
Subject: [PATCH] SourceType made Comparable

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@4721 51baf565-9d33-0410-a72c-fc3788e3496d
---
 pmd/src/net/sourceforge/pmd/SourceType.java | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/pmd/src/net/sourceforge/pmd/SourceType.java b/pmd/src/net/sourceforge/pmd/SourceType.java
index ec2191b768..b46065577b 100644
--- a/pmd/src/net/sourceforge/pmd/SourceType.java
+++ b/pmd/src/net/sourceforge/pmd/SourceType.java
@@ -5,7 +5,7 @@ package net.sourceforge.pmd;
  *
  * @author Pieter_Van_Raemdonck - Application Engineers NV/SA - www.ae.be
  */
-public final class SourceType {
+public final class SourceType implements Comparable {
     public static final SourceType JAVA_13 = new SourceType("java 1.3");
     public static final SourceType JAVA_14 = new SourceType("java 1.4");
     public static final SourceType JAVA_15 = new SourceType("java 1.5");
@@ -31,10 +31,6 @@ public final class SourceType {
     }
 
     public boolean equals(Object other) {
-        if (other == null) {
-            return false;
-        }
-
         if (other instanceof SourceType) {
             return ((SourceType) other).getId().equals(getId());
         }
@@ -46,6 +42,10 @@ public final class SourceType {
         return getId().hashCode();
     }
 
+    public int compareTo(Object other) {
+        return getId().compareTo(((SourceType) other).getId());
+    }
+
     /* (non-Javadoc)
      * @see java.lang.Object#toString()
      */