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Posted to commits@karaf.apache.org by jb...@apache.org on 2012/05/11 10:00:42 UTC

svn commit: r1337048 - in /karaf/cellar/trunk/config/src: main/java/org/apache/karaf/cellar/config/ test/java/org/apache/karaf/cellar/config/

Author: jbonofre
Date: Fri May 11 08:00:42 2012
New Revision: 1337048

URL: http://svn.apache.org/viewvc?rev=1337048&view=rev
Log:
[KARAF-1463] Reintroduce config filtering, specially for the karaf.home property

Removed:
    karaf/cellar/trunk/config/src/test/java/org/apache/karaf/cellar/config/ConfigurationSupportTest.java
Modified:
    karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationEventHandler.java
    karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationSupport.java
    karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationSynchronizer.java
    karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/LocalConfigurationListener.java

Modified: karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationEventHandler.java
URL: http://svn.apache.org/viewvc/karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationEventHandler.java?rev=1337048&r1=1337047&r2=1337048&view=diff
==============================================================================
--- karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationEventHandler.java (original)
+++ karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationEventHandler.java Fri May 11 08:00:42 2012
@@ -72,10 +72,8 @@ public class ConfigurationEventHandler e
                         conf.delete();
                     } else {
                         if (remoteDictionary != null) {
-                            Dictionary existingConfiguration = conf.getProperties();
-                            if (!equals(remoteDictionary, existingConfiguration)) {
-                                conf.update(remoteDictionary);
-                            }
+                            Dictionary localDictionary = conf.getProperties();
+                            conf.update(filter(remoteDictionary, true));
                         }
                     }
                 }

Modified: karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationSupport.java
URL: http://svn.apache.org/viewvc/karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationSupport.java?rev=1337048&r1=1337047&r2=1337048&view=diff
==============================================================================
--- karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationSupport.java (original)
+++ karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationSupport.java Fri May 11 08:00:42 2012
@@ -24,6 +24,10 @@ import java.util.Properties;
  */
 public class ConfigurationSupport extends CellarSupport {
 
+    private static String HOME_PLACEHOLDER = "karaf.home";
+    private static String RELATIVE_HOME = "${" + HOME_PLACEHOLDER + "}";
+    private static String HOME = System.getProperty("karaf.home");
+
     /**
      * Reads a {@code Dictionary} object and creates a property object out of it.
      *
@@ -47,33 +51,49 @@ public class ConfigurationSupport extend
     }
 
     /**
-     * Returns true if dictionaries are equal.
-     *
-     * @param dict1
-     * @param dict2
+     * Filter a dictionary, specially replace the karaf.home property with a relative value.
+     * @param dictionary
      * @return
      */
-    protected boolean equals(Dictionary dict1, Dictionary dict2) {
-        if (dict1 == null && dict2 == null)
-            return true;
-
-        if (dict1 == null && dict2 != null)
-            return false;
-
-        if (dict1 != null && dict2 == null)
-            return false;
-
-        if (dict1.size() != dict2.size())
-            return false;
-
-        for (Enumeration e = dict1.keys(); e.hasMoreElements(); ) {
-            Object key = e.nextElement();
-            if (!dict1.get(key).equals(dict2.get(key))) {
-                return false;
+    public Dictionary filter(Dictionary dictionary) {
+        Dictionary properties = new Properties();
+        Enumeration keys = dictionary.keys();
+        while (keys.hasMoreElements()) {
+            String key = (String) keys.nextElement();
+            if (key != null && dictionary.get(key) != null) {
+                String value = String.valueOf(dictionary.get(key));
+                value = this.convert(value, HOME, RELATIVE_HOME);
+                properties.put(key, value);
             }
         }
+        return properties;
+    }
 
-        return true;
+    /**
+     * Filter a dictionary, specially replace the karaf.home property with a relative value.
+     * @param dictionary
+     * @return
+     */
+    public Dictionary filter(Dictionary dictionary, boolean reverse) {
+        Dictionary properties = new Properties();
+        Enumeration keys = dictionary.keys();
+        while (keys.hasMoreElements()) {
+            String key = (String) keys.nextElement();
+            if (key != null && dictionary.get(key) != null) {
+                String value = String.valueOf(dictionary.get(key));
+                value = this.convert(value, RELATIVE_HOME, HOME);
+                properties.put(key, value);
+            }
+        }
+        return properties;
+    }
+
+    public String convert(String value, String absolute, String relative) {
+        String result = value;
+        if (absolute != null && (absolute.trim().length() > 0) && value.contains(absolute)) {
+            result = value.replace(absolute, relative);
+        }
+        return result;
     }
 
 }

Modified: karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationSynchronizer.java
URL: http://svn.apache.org/viewvc/karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationSynchronizer.java?rev=1337048&r1=1337047&r2=1337048&view=diff
==============================================================================
--- karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationSynchronizer.java (original)
+++ karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/ConfigurationSynchronizer.java Fri May 11 08:00:42 2012
@@ -88,7 +88,7 @@ public class ConfigurationSynchronizer e
                         try {
                             // update the local configuration if needed
                             Configuration conf = configurationAdmin.getConfiguration(pid);
-                            conf.update(remoteDictionary);
+                            conf.update(filter(remoteDictionary, true));
                         } catch (IOException ex) {
                             LOGGER.error("CELLAR CONFIG: failed to read distributed map", ex);
                         }
@@ -125,17 +125,16 @@ public class ConfigurationSynchronizer e
                         String pid = conf.getPid();
                         // check if the pid is marked as local.
                         if (isAllowed(group, Constants.CATEGORY, pid, EventType.OUTBOUND)) {
-                            Properties localDictionary = dictionaryToProperties(conf.getProperties());
+                            Properties localDictionary = dictionaryToProperties(filter(conf.getProperties()));
                             Properties remoteDictionary = configurationTable.get(pid);
-                            if (!this.equals(localDictionary, remoteDictionary)) {
-                                // update the distributed map
-                                configurationTable.put(pid, localDictionary);
-                                // broadcast the cluster event
-                                RemoteConfigurationEvent event = new RemoteConfigurationEvent(conf.getPid());
-                                event.setSourceGroup(group);
-                                eventProducer.produce(event);
-                            }
-                        }
+                            // update the distributed map
+                            configurationTable.put(pid, localDictionary);
+                            // broadcast the cluster event
+                            RemoteConfigurationEvent event = new RemoteConfigurationEvent(conf.getPid());
+                            event.setSourceGroup(group);
+                            eventProducer.produce(event);
+                        } else
+                            LOGGER.warn("CELLAR CONFIG: configuration with PID {} is marked as BLOCKED OUTBOUND", pid);
                     }
                 } catch (IOException ex) {
                     LOGGER.error("CELLAR CONFIG: failed to read the distributed map (IO error)", ex);

Modified: karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/LocalConfigurationListener.java
URL: http://svn.apache.org/viewvc/karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/LocalConfigurationListener.java?rev=1337048&r1=1337047&r2=1337048&view=diff
==============================================================================
--- karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/LocalConfigurationListener.java (original)
+++ karaf/cellar/trunk/config/src/main/java/org/apache/karaf/cellar/config/LocalConfigurationListener.java Fri May 11 08:00:42 2012
@@ -70,13 +70,11 @@ public class LocalConfigurationListener 
                             // TODO broadcast the cluster event
                         } else {
                             Configuration conf = configurationAdmin.getConfiguration(pid);
-                            Properties localDictionary = dictionaryToProperties(conf.getProperties());
+                            Properties localDictionary = dictionaryToProperties(filter(conf.getProperties()));
                             Dictionary remoteDictionary = configurationTable.get(pid);
-                            if (!equals(localDictionary, remoteDictionary)) {
-                                // update the distributed map
-                                configurationTable.put(pid, localDictionary);
-                                // TODO broadcast the cluster event but it creates a loop
-                            }
+                            // update the distributed map
+                            configurationTable.put(pid, localDictionary);
+                            // TODO broadcast a cluster event but it creates a loop
                         }
                     } catch (Exception e) {
                         LOGGER.error("CELLAR CONFIG: failed to push configuration with PID {} to the distributed map", pid, e);