153 }
154 }
155
156 /**
157 * Wraps the outgoing buffer.
158 *
159 * @throws SaslException Not applicable to this mechanism.
160 */
161 public byte[] wrap(byte[] outgoing, int offset, int len) throws SaslException {
162 if (completed) {
163 throw new SaslException(
164 "PLAIN supports neither integrity nor privacy");
165 } else {
166 throw new IllegalStateException("PLAIN authentication not completed");
167 }
168 }
169
170 /**
171 * Retrieves the negotiated property.
172 * This method can be called only after the authentication exchange has
173 * completed (i.e., when <tt>isComplete()</tt> returns true); otherwise, a
174 * <tt>SaslException</tt> is thrown.
175 *
176 * @return value of property; only QOP is applicable to PLAIN.
177 * @exception IllegalStateException if this authentication exchange
178 * has not completed
179 */
180 public Object getNegotiatedProperty(String propName) {
181 if (completed) {
182 if (propName.equals(Sasl.QOP)) {
183 return "auth";
184 } else {
185 return null;
186 }
187 } else {
188 throw new IllegalStateException("PLAIN authentication not completed");
189 }
190 }
191
192 private void clearPassword() {
193 if (pw != null) {
194 // zero out password
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153 }
154 }
155
156 /**
157 * Wraps the outgoing buffer.
158 *
159 * @throws SaslException Not applicable to this mechanism.
160 */
161 public byte[] wrap(byte[] outgoing, int offset, int len) throws SaslException {
162 if (completed) {
163 throw new SaslException(
164 "PLAIN supports neither integrity nor privacy");
165 } else {
166 throw new IllegalStateException("PLAIN authentication not completed");
167 }
168 }
169
170 /**
171 * Retrieves the negotiated property.
172 * This method can be called only after the authentication exchange has
173 * completed (i.e., when {@code isComplete()} returns true); otherwise, a
174 * {@code SaslException} is thrown.
175 *
176 * @return value of property; only QOP is applicable to PLAIN.
177 * @exception IllegalStateException if this authentication exchange
178 * has not completed
179 */
180 public Object getNegotiatedProperty(String propName) {
181 if (completed) {
182 if (propName.equals(Sasl.QOP)) {
183 return "auth";
184 } else {
185 return null;
186 }
187 } else {
188 throw new IllegalStateException("PLAIN authentication not completed");
189 }
190 }
191
192 private void clearPassword() {
193 if (pw != null) {
194 // zero out password
|