feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/net/www/protocol/http/spnego/NegotiateCallbackHandler.java

@@ -0,0 +1,102 @@
+/*
+ * 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.www.protocol.http.spnego;
+
+import java.io.IOException;
+import java.net.Authenticator;
+import java.net.PasswordAuthentication;
+import java.util.Arrays;
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.NameCallback;
+import javax.security.auth.callback.PasswordCallback;
+import javax.security.auth.callback.UnsupportedCallbackException;
+import sun.net.www.protocol.http.HttpCallerInfo;
+import sun.security.jgss.LoginConfigImpl;
+
+/**
+ * @since 1.6
+ * Special callback handler used in JGSS for the HttpCaller.
+ */
+public class NegotiateCallbackHandler implements CallbackHandler {
+
+    private String username;
+    private char[] password;
+
+    /**
+     * Authenticator asks for username and password in a single prompt,
+     * but CallbackHandler checks one by one. So, no matter which callback
+     * gets handled first, make sure Authenticator is only called once.
+     */
+    private boolean answered;
+
+    private final HttpCallerInfo hci;
+
+    public NegotiateCallbackHandler(HttpCallerInfo hci) {
+        this.hci = hci;
+    }
+
+    private void getAnswer() {
+        if (!answered) {
+            answered = true;
+
+            if (LoginConfigImpl.HTTP_USE_GLOBAL_CREDS) {
+                PasswordAuthentication passAuth =
+                        Authenticator.requestPasswordAuthentication(
+                                hci.host, hci.addr, hci.port, hci.protocol,
+                                hci.prompt, hci.scheme, hci.url, hci.authType);
+                /**
+                 * To be compatible with existing callback handler implementations,
+                 * when the underlying Authenticator is canceled, username and
+                 * password are assigned null. No exception is thrown.
+                 */
+                if (passAuth != null) {
+                    username = passAuth.getUserName();
+                    password = passAuth.getPassword();
+                }
+            }
+        }
+    }
+
+    public void handle(Callback[] callbacks) throws
+            UnsupportedCallbackException, IOException {
+        for (int i=0; i<callbacks.length; i++) {
+            Callback callBack = callbacks[i];
+
+            if (callBack instanceof NameCallback) {
+                getAnswer();
+                ((NameCallback)callBack).setName(username);
+            } else if (callBack instanceof PasswordCallback) {
+                getAnswer();
+                ((PasswordCallback)callBack).setPassword(password);
+                if (password != null) Arrays.fill(password, ' ');
+            } else {
+                throw new UnsupportedCallbackException(callBack,
+                        "Call back not supported");
+            }
+        }
+    }
+}