--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/javax/xml/transform/Source.java	Thu Apr 12 08:38:26 2012 -0700
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package javax.xml.transform;
+
+/**
+ * An object that implements this interface contains the information
+ * needed to act as source input (XML source or transformation instructions).
+ */
+public interface Source {
+
+    /**
+     * Set the system identifier for this Source.
+     *
+     * <p>The system identifier is optional if the source does not
+     * get its data from a URL, but it may still be useful to provide one.
+     * The application can use a system identifier, for example, to resolve
+     * relative URIs and to include in error messages and warnings.</p>
+     *
+     * @param systemId The system identifier as a URL string.
+     */
+    public void setSystemId(String systemId);
+
+    /**
+     * Get the system identifier that was set with setSystemId.
+     *
+     * @return The system identifier that was set with setSystemId, or null
+     * if setSystemId was not called.
+     */
+    public String getSystemId();
+}