--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.activation/share/classes/javax/activation/DataSource.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 1997, 2017, 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.activation;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.IOException;
+
+/**
+ * The DataSource interface provides the JavaBeans Activation Framework
+ * with an abstraction of an arbitrary collection of data.  It
+ * provides a type for that data as well as access
+ * to it in the form of <code>InputStreams</code> and
+ * <code>OutputStreams</code> where appropriate.
+ *
+ * @since 1.6
+ */
+
+public interface DataSource {
+
+    /**
+     * This method returns an <code>InputStream</code> representing
+     * the data and throws the appropriate exception if it can
+     * not do so.  Note that a new <code>InputStream</code> object must be
+     * returned each time this method is called, and the stream must be
+     * positioned at the beginning of the data.
+     *
+     * @return an InputStream
+     * @exception       IOException     for failures creating the InputStream
+     */
+    public InputStream getInputStream() throws IOException;
+
+    /**
+     * This method returns an <code>OutputStream</code> where the
+     * data can be written and throws the appropriate exception if it can
+     * not do so.  Note that a new <code>OutputStream</code> object must
+     * be returned each time this method is called, and the stream must
+     * be positioned at the location the data is to be written.
+     *
+     * @return an OutputStream
+     * @exception       IOException     for failures creating the OutputStream
+     */
+    public OutputStream getOutputStream() throws IOException;
+
+    /**
+     * This method returns the MIME type of the data in the form of a
+     * string. It should always return a valid type. It is suggested
+     * that getContentType return "application/octet-stream" if the
+     * DataSource implementation can not determine the data type.
+     *
+     * @return the MIME Type
+     */
+    public String getContentType();
+
+    /**
+     * Return the <i>name</i> of this object where the name of the object
+     * is dependant on the nature of the underlying objects. DataSources
+     * encapsulating files may choose to return the filename of the object.
+     * (Typically this would be the last component of the filename, not an
+     * entire pathname.)
+     *
+     * @return the name of the object.
+     */
+    public String getName();
+}