[jboss-cvs] JBossAS SVN: r80255 - projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache.

[jboss-cvs-commits at lists.jboss.org]

Author: alesj
Date: 2008-10-30 11:10:41 -0400 (Thu, 30 Oct 2008)
New Revision: 80255

Modified:
   projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/AbstractVFSCache.java
   projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/CachePolicyVFSCache.java
   projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/MapVFSCache.java
Log:
Add a check. e.g. is cache started.

Modified: projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/AbstractVFSCache.java
===================================================================
--- projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/AbstractVFSCache.java	2008-10-30 14:57:25 UTC (rev 80254)
+++ projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/AbstractVFSCache.java	2008-10-30 15:10:41 UTC (rev 80255)
@@ -55,8 +55,15 @@
       return timestamp;
    }
 
+   /**
+    * Is cache valid.
+    */
+   protected abstract void check();
+
    public VirtualFile getFile(URI uri) throws IOException
    {
+      check();
+
       VFSContext context = findContext(uri);
       if (context != null)
       {
@@ -84,6 +91,8 @@
 
    public VirtualFile getFile(URL url) throws IOException
    {
+      check();
+
       try
       {
          return getFile(VFSUtils.toURI(url));
@@ -177,6 +186,8 @@
       if (context == null)
          throw new IllegalArgumentException("Null context");
 
+      check();
+
       lock.writeLock().lock();
       try
       {
@@ -202,6 +213,8 @@
       if (context == null)
          throw new IllegalArgumentException("Null context");
 
+      check();
+
       lock.writeLock().lock();
       try
       {

Modified: projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/CachePolicyVFSCache.java
===================================================================
--- projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/CachePolicyVFSCache.java	2008-10-30 14:57:25 UTC (rev 80254)
+++ projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/CachePolicyVFSCache.java	2008-10-30 15:10:41 UTC (rev 80255)
@@ -49,6 +49,12 @@
       return policy != null ? policy.size() : -1;
    }
 
+   protected void check()
+   {
+      if (policy == null)
+         throw new IllegalArgumentException("Cache needs to be started first.");
+   }
+
    public void start() throws Exception
    {
       policy = createCachePolicy();

Modified: projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/MapVFSCache.java
===================================================================
--- projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/MapVFSCache.java	2008-10-30 14:57:25 UTC (rev 80254)
+++ projects/vfs/trunk/src/main/java/org/jboss/virtual/plugins/cache/MapVFSCache.java	2008-10-30 15:10:41 UTC (rev 80255)
@@ -48,6 +48,12 @@
       return cache != null ? cache.size() : -1;
    }
 
+   protected void check()
+   {
+      if (cache == null)
+         throw new IllegalArgumentException("Cache needs to be started first.");
+   }
+
    protected VFSContext getContext(String path)
    {
       return cache.get(path);