--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/share/classes/com/sun/org/apache/xpath/internal/ExtensionsProvider.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,62 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * Copyright 1999-2004 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * $Id: ExtensionsProvider.java,v 1.1.2.1 2005/08/01 01:30:08 jeffsuttor Exp $
+ */
+package com.sun.org.apache.xpath.internal;
+
+import java.util.Vector;
+
+import com.sun.org.apache.xpath.internal.functions.FuncExtFunction;
+
+/**
+ * Interface that XPath objects can call to obtain access to an
+ * ExtensionsTable.
+ *
+ */
+public interface ExtensionsProvider
+{
+  /**
+   * Is the extension function available?
+   */
+
+  public boolean functionAvailable(String ns, String funcName)
+          throws javax.xml.transform.TransformerException;
+
+  /**
+   * Is the extension element available?
+   */
+  public boolean elementAvailable(String ns, String elemName)
+          throws javax.xml.transform.TransformerException;
+
+  /**
+   * Execute the extension function.
+   */
+  public Object extFunction(String ns, String funcName,
+                            Vector argVec, Object methodKey)
+            throws javax.xml.transform.TransformerException;
+
+  /**
+   * Execute the extension function.
+   */
+  public Object extFunction(FuncExtFunction extFunction,
+                            Vector argVec)
+            throws javax.xml.transform.TransformerException;
+}