Create UpgradeInputStream.java

Author: SentryMan

src/jdk.httpserver/share/classes/sun/net/httpserver/UpgradeInputStream.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2005, 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 sun.net.httpserver;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * A class which allows the caller to read the underlying stream for an upgrade request.
+ * close() does not close the underlying stream
+ */
+class UpgradeInputStream extends LeftOverInputStream {
+
+    UpgradeInputStream(ExchangeImpl t, InputStream src) {
+        super(t, src);
+    }
+
+    @Override
+    protected int readImpl(byte[] b, int off, int len) throws IOException {
+        if (eof) {
+            return -1;
+        }
+        return in.read(b, off, len);
+    }
+
+    @Override
+    public int available() throws IOException {
+        if (eof) {
+            return 0;
+        }
+        return in.available();
+    }
+
+    @Override
+    public void reset() throws IOException {
+        throw new IOException("mark/reset not supported");
+    }
+
+    @Override
+    public void close() throws IOException {
+        closed = true;
+        t.getServerImpl().requestCompleted(t.getConnection());
+    }
+}