svn commit: r781818 - /ode/branches/APACHE_ODE_1.X/utils/src/main/java/org/apache/ode/utils/SystemUtils.java

[midon]

Author: midon
Date: Thu Jun  4 18:11:56 2009
New Revision: 781818

URL: http://svn.apache.org/viewvc?rev=781818&view=rev
Log:
better usage of regex Pattern

Modified:
    
ode/branches/APACHE_ODE_1.X/utils/src/main/java/org/apache/ode/utils/SystemUtils.java

Modified: 
ode/branches/APACHE_ODE_1.X/utils/src/main/java/org/apache/ode/utils/SystemUtils.java
URL: 
http://svn.apache.org/viewvc/ode/branches/APACHE_ODE_1.X/utils/src/main/java/org/apache/ode/utils/SystemUtils.java?rev=781818&r1=781817&r2=781818&view=diff
==============================================================================
--- 
ode/branches/APACHE_ODE_1.X/utils/src/main/java/org/apache/ode/utils/SystemUtils.java
 (original)
+++ 
ode/branches/APACHE_ODE_1.X/utils/src/main/java/org/apache/ode/utils/SystemUtils.java
 Thu Jun  4 18:11:56 2009
@@ -27,8 +27,9 @@
  */
 
 public class SystemUtils {
+    private static final Pattern PROPERTY_PATTERN = 
Pattern.compile("\\$\\{([^\\}]+)\\}");
 
-       /**
+    /**
         * @see System#getProperties()
         */
        public static String javaVersion() {
@@ -146,13 +147,12 @@
         * e.g., "The java version is ${java.version}" ==> "The java version is 
1.5.0_11"
         */
        public static String replaceSystemProperties(String str) {
-               Pattern pattern = Pattern.compile("\\$\\{[^\\}]+\\}");
-               int start = 0;
+        int start = 0;
                while (true) {
-                       Matcher match = pattern.matcher(str);
+                       Matcher match = PROPERTY_PATTERN.matcher(str);
                        if (!match.find(start))
                                break;
-                       String property = str.substring(match.start() + 2, 
match.end() - 1);
+                       String property = match.group(1);
                        String value = System.getProperty(property);
                        if (value != null) {
                                str = 
match.replaceFirst(Matcher.quoteReplacement(value));