1 files changed, 51 insertions, 0 deletions
diff --git a/make/validate-properties.xml b/make/validate-properties.xml
new file mode 100755
index 0000000..195fb2a
--- /dev/null
+++ b/make/validate-properties.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- 
+   - A validator for all of the user-defined properties.  It will be called
+   - from build.xml in the "init" task.
+  -->
+<project name="Configuration validator" default="validate">
+
+    <!-- ================================================================== -->
+    <!-- 
+       - Ensure that "antlr.jar" is set.
+      -->
+    <target name="antlr.jar.validate" unless="antlr.jar">
+        <fail>
+        
+    ********************************************************************
+    ** The property "antlr.jar" was not set in the GlueGen properties **
+    ** file                                                           **
+    ** "${user.properties.file}"                  **
+    ** (or this file was not found).                                  **
+    **                                                                **
+    ** Please set "antlr.jar" to to the full path of the ANTLR jar    **
+    ** including the jar itself.                                      **
+    ********************************************************************
+        </fail>
+    </target>
+
+    <!-- 
+       - Make sure that gluegen.jar is not on the CLASSPATH; this can cause
+       - builds to fail since if this Java process has the jar file open
+       - we can not overwrite it.
+      -->
+    <target name="java.class.path.validate">
+        <available property="gluegen.jar.on.class.path" classname="com.sun.gluegen.GlueGen" />
+        <fail if="gluegen.jar.on.class.path">
+    *******************************************************************
+    ** Your CLASSPATH environment variable appears to be set (some   **
+    ** GlueGen classes are currently visible to the build.) This can **
+    ** cause the build to fail. Please unset your CLASSPATH          **
+    ** variable and restart the build.                               **
+    *******************************************************************
+        </fail>
+    </target>
+
+    <!-- ================================================================== -->
+    <!-- 
+       - Validate the required properties 
+      -->
+    <target name="validate" depends="antlr.jar.validate, java.class.path.validate" 
+            description="Validate required properties" />
+
+</project>