From ba288cee61877182102ae1088043249b6edd221d Mon Sep 17 00:00:00 2001
From: Brett Leslie Porter <brett@apache.org>
Date: Mon, 4 Apr 2005 16:02:48 +0000
Subject: [PATCH] use a regex to parse for more consistency

git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@163768 13f79535-47bb-0310-9956-ffa450edef68
---
 .../metadata/SnapshotArtifactMetadata.java    | 26 +++++++------------
 1 file changed, 9 insertions(+), 17 deletions(-)

diff --git a/maven-artifact/src/main/java/org/apache/maven/artifact/metadata/SnapshotArtifactMetadata.java b/maven-artifact/src/main/java/org/apache/maven/artifact/metadata/SnapshotArtifactMetadata.java
index 858f9bf541..5726d6e1bf 100644
--- a/maven-artifact/src/main/java/org/apache/maven/artifact/metadata/SnapshotArtifactMetadata.java
+++ b/maven-artifact/src/main/java/org/apache/maven/artifact/metadata/SnapshotArtifactMetadata.java
@@ -31,6 +31,8 @@ import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.TimeZone;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * Contains the information stored for a snapshot.
@@ -54,6 +56,8 @@ public class SnapshotArtifactMetadata
 
     private long lastModified = 0;
 
+    private static final Pattern VERSION_FILE_PATTERN = Pattern.compile( "^(.*)-([0-9]{8}.[0-9]{6})-([0-9]+)$" );
+
     public SnapshotArtifactMetadata( Artifact artifact )
     {
         super( artifact, artifact.getArtifactId() + "-" + artifact.getBaseVersion() + "." + SNAPSHOT_VERSION_FILE );
@@ -169,28 +173,16 @@ public class SnapshotArtifactMetadata
         String version = FileUtils.fileRead( file );
         lastModified = file.lastModified();
 
-/* TODO: try this
-        if( version.matches( "/^(.*)-([0-9]{8}.[0-9]{6})-([0-9]+)$/" ))
+        Matcher matcher = VERSION_FILE_PATTERN.matcher( version );
+        if ( matcher.matches() )
         {
-
+            timestamp = matcher.group( 2 );
+            buildNumber = Integer.valueOf( matcher.group( 3 ) ).intValue();
         }
-*/
-
-        int index = version.lastIndexOf( "-" );
-        if ( version.indexOf( "SNAPSHOT" ) >= 0 || index < 0 )
+        else
         {
             timestamp = null;
             buildNumber = 0;
-            return;
-        }
-
-        timestamp = version.substring( 0, index );
-        buildNumber = Integer.valueOf( version.substring( index + 1 ) ).intValue();
-        index = timestamp.lastIndexOf( "-" );
-        if ( index >= 0 )
-        {
-            // ignore starting version part, will be prepended later
-            timestamp = timestamp.substring( index + 1 );
         }
     }