Index: D:/workspace-imperius/imperius/trunk/imperius-spleditorcore/src/org/apache/imperius/spl/editor/tool/internal/builder/PolicyFileParser.java
===================================================================
--- D:/workspace-imperius/imperius/trunk/imperius-spleditorcore/src/org/apache/imperius/spl/editor/tool/internal/builder/PolicyFileParser.java	(revision 612185)
+++ D:/workspace-imperius/imperius/trunk/imperius-spleditorcore/src/org/apache/imperius/spl/editor/tool/internal/builder/PolicyFileParser.java	(working copy)
@@ -26,6 +26,7 @@
 
 import java.io.PrintStream;
 import java.io.Reader;
+import java.net.URLClassLoader;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -41,7 +42,9 @@
 import org.eclipse.core.resources.IMarker;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.Platform;
 
+import antlr.ASTFactory;
 import antlr.RecognitionException;
 import antlr.collections.AST;
 
@@ -109,7 +112,21 @@
 				lexer.setFilename(fileName);
 				// Create a parser that reads from the scanner
 				SPLParser parser = new SPLParser(lexer);
-				parser.setASTNodeClass(AST_NODE_CLASS);
+				ClassLoader cl = null;
+				try
+				{
+					cl = Thread.currentThread().getContextClassLoader();
+					Thread.currentThread().setContextClassLoader(PolicyFileParser.class.getClassLoader());
+					parser.setASTNodeClass(AST_NODE_CLASS);
+				}
+				finally
+				{
+					if( cl != null )
+					{
+						Thread.currentThread().setContextClassLoader(cl);
+					}
+				}
+				
 				parser.setFilename(fileName);
 				// start parsing at the compilationUnit rule
 				parser.splpolicy();
@@ -146,7 +163,20 @@
 			return;
 		SPLTreeParser tparse = new SPLTreeParser();
 		
-		tparse.setASTNodeClass(AST_NODE_CLASS);
+		ClassLoader cl = null;
+		try
+		{
+			cl = Thread.currentThread().getContextClassLoader();
+			Thread.currentThread().setContextClassLoader(PolicyFileParser.class.getClassLoader());
+			tparse.setASTNodeClass(AST_NODE_CLASS);
+		}
+		finally
+		{
+			if( cl != null )
+			{
+				Thread.currentThread().setContextClassLoader(cl);
+			}
+		}
 		IPolicyClientFactory factory = new PolicyClientFactoryImpl();
 		IPolicyClient policyClient = null;
 		try {
@@ -162,8 +192,22 @@
 					return;
 				}
 				SPLSymbolTable st=new SPLSymbolTable();
+				
 			//	SPLPolicyUtil.loadCustomClasses(resourceFile.getProject());
-				tparse.splpolicy(t,dc,st);
+				try
+				{
+					cl = Thread.currentThread().getContextClassLoader();
+					Thread.currentThread().setContextClassLoader(new URLClassLoader(SPLPolicyUtil.createURLs(resourceFile.getProject()),PolicyFileParser.class.getClassLoader()));
+					tparse.splpolicy(t,dc,st);
+				}
+				finally
+				{
+					if( cl != null )
+					{
+						Thread.currentThread().setContextClassLoader(cl);
+					}
+				}
+
 			}
 		} catch (RecognitionException e) {
 			System.err.println(e.getMessage());