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/*
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* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.security.ssl;
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import javax.net.ssl.*;
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/*
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* A simple class to congregate alerts, their definitions, and common
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* support methods.
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*/
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final class Alerts {
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/*
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* Alerts are always a fixed two byte format (level/description).
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*/
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// warnings and fatal errors are package private facilities/constants
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// Alert levels (enum AlertLevel)
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static final byte alert_warning = 1;
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static final byte alert_fatal = 2;
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/*
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* Alert descriptions (enum AlertDescription)
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*
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* We may not use them all in our processing, but if someone
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* sends us one, we can at least convert it to a string for the
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* user.
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*/
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static final byte alert_close_notify = 0;
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static final byte alert_unexpected_message = 10;
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static final byte alert_bad_record_mac = 20;
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static final byte alert_decryption_failed = 21;
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static final byte alert_record_overflow = 22;
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static final byte alert_decompression_failure = 30;
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static final byte alert_handshake_failure = 40;
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static final byte alert_no_certificate = 41;
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static final byte alert_bad_certificate = 42;
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static final byte alert_unsupported_certificate = 43;
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static final byte alert_certificate_revoked = 44;
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static final byte alert_certificate_expired = 45;
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static final byte alert_certificate_unknown = 46;
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static final byte alert_illegal_parameter = 47;
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static final byte alert_unknown_ca = 48;
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static final byte alert_access_denied = 49;
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static final byte alert_decode_error = 50;
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static final byte alert_decrypt_error = 51;
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static final byte alert_export_restriction = 60;
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static final byte alert_protocol_version = 70;
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static final byte alert_insufficient_security = 71;
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static final byte alert_internal_error = 80;
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static final byte alert_user_canceled = 90;
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static final byte alert_no_renegotiation = 100;
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// from RFC 3546 (TLS Extensions)
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static final byte alert_unsupported_extension = 110;
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static final byte alert_certificate_unobtainable = 111;
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static final byte alert_unrecognized_name = 112;
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static final byte alert_bad_certificate_status_response = 113;
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static final byte alert_bad_certificate_hash_value = 114;
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static String alertDescription(byte code) {
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switch (code) {
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case alert_close_notify:
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return "close_notify";
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case alert_unexpected_message:
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return "unexpected_message";
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case alert_bad_record_mac:
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return "bad_record_mac";
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case alert_decryption_failed:
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return "decryption_failed";
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case alert_record_overflow:
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return "record_overflow";
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case alert_decompression_failure:
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return "decompression_failure";
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case alert_handshake_failure:
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return "handshake_failure";
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case alert_no_certificate:
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return "no_certificate";
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case alert_bad_certificate:
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return "bad_certificate";
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case alert_unsupported_certificate:
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return "unsupported_certificate";
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case alert_certificate_revoked:
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return "certificate_revoked";
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case alert_certificate_expired:
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return "certificate_expired";
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case alert_certificate_unknown:
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return "certificate_unknown";
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case alert_illegal_parameter:
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return "illegal_parameter";
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case alert_unknown_ca:
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return "unknown_ca";
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case alert_access_denied:
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return "access_denied";
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case alert_decode_error:
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return "decode_error";
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case alert_decrypt_error:
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return "decrypt_error";
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case alert_export_restriction:
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return "export_restriction";
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case alert_protocol_version:
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return "protocol_version";
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case alert_insufficient_security:
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return "insufficient_security";
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case alert_internal_error:
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return "internal_error";
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case alert_user_canceled:
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return "user_canceled";
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case alert_no_renegotiation:
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return "no_renegotiation";
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case alert_unsupported_extension:
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return "unsupported_extension";
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case alert_certificate_unobtainable:
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return "certificate_unobtainable";
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case alert_unrecognized_name:
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return "unrecognized_name";
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case alert_bad_certificate_status_response:
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return "bad_certificate_status_response";
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case alert_bad_certificate_hash_value:
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return "bad_certificate_hash_value";
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default:
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return "<UNKNOWN ALERT: " + (code & 0x0ff) + ">";
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}
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}
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static SSLException getSSLException(byte description, String reason) {
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return getSSLException(description, null, reason);
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}
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/*
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* Try to be a little more specific in our choice of
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* exceptions to throw.
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*/
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static SSLException getSSLException(byte description, Throwable cause,
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String reason) {
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SSLException e;
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// the SSLException classes do not have a no-args constructor
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// make up a message if there is none
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if (reason == null) {
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if (cause != null) {
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reason = cause.toString();
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} else {
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reason = "";
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}
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}
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switch (description) {
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case alert_handshake_failure:
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case alert_no_certificate:
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case alert_bad_certificate:
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case alert_unsupported_certificate:
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case alert_certificate_revoked:
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case alert_certificate_expired:
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case alert_certificate_unknown:
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case alert_unknown_ca:
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case alert_access_denied:
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case alert_decrypt_error:
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case alert_export_restriction:
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case alert_insufficient_security:
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case alert_unsupported_extension:
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case alert_certificate_unobtainable:
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case alert_unrecognized_name:
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case alert_bad_certificate_status_response:
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case alert_bad_certificate_hash_value:
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e = new SSLHandshakeException(reason);
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break;
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case alert_close_notify:
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case alert_unexpected_message:
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case alert_bad_record_mac:
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case alert_decryption_failed:
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case alert_record_overflow:
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case alert_decompression_failure:
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case alert_illegal_parameter:
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case alert_decode_error:
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case alert_protocol_version:
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case alert_internal_error:
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case alert_user_canceled:
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case alert_no_renegotiation:
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default:
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e = new SSLException(reason);
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break;
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}
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if (cause != null) {
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e.initCause(cause);
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}
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return e;
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}
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}
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