1 /*
2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
340 }
341 }
342 return;
343 }
344
345
346 /**
347 * Returns a Policy object of the specified type.
348 *
349 * <p> This method traverses the list of registered security providers,
350 * starting with the most preferred Provider.
351 * A new Policy object encapsulating the
352 * PolicySpi implementation from the first
353 * Provider that supports the specified type is returned.
354 *
355 * <p> Note that the list of registered providers may be retrieved via
356 * the {@link Security#getProviders() Security.getProviders()} method.
357 *
358 * @implNote
359 * The JDK Reference Implementation additionally uses the
360 * {@code jdk.security.provider.preferred} property to determine
361 * the preferred provider order for the specified algorithm. This
362 * may be different than the order of providers returned by
363 * {@link Security#getProviders() Security.getProviders()}.
364 *
365 * @param type the specified Policy type. See the Policy section in the
366 * <a href=
367 * "{@docRoot}/../technotes/guides/security/StandardNames.html#Policy">
368 * Java Cryptography Architecture Standard Algorithm Name Documentation</a>
369 * for a list of standard Policy types.
370 *
371 * @param params parameters for the Policy, which may be null.
372 *
373 * @return the new Policy object.
374 *
375 * @exception SecurityException if the caller does not have permission
376 * to get a Policy instance for the specified type.
377 *
378 * @exception NullPointerException if the specified type is null.
379 *
380 * @exception IllegalArgumentException if the specified parameters
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1 /*
2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
340 }
341 }
342 return;
343 }
344
345
346 /**
347 * Returns a Policy object of the specified type.
348 *
349 * <p> This method traverses the list of registered security providers,
350 * starting with the most preferred Provider.
351 * A new Policy object encapsulating the
352 * PolicySpi implementation from the first
353 * Provider that supports the specified type is returned.
354 *
355 * <p> Note that the list of registered providers may be retrieved via
356 * the {@link Security#getProviders() Security.getProviders()} method.
357 *
358 * @implNote
359 * The JDK Reference Implementation additionally uses the
360 * {@code jdk.security.provider.preferred}
361 * {@link Security#getProperty(String) Security} property to determine
362 * the preferred provider order for the specified algorithm. This
363 * may be different than the order of providers returned by
364 * {@link Security#getProviders() Security.getProviders()}.
365 *
366 * @param type the specified Policy type. See the Policy section in the
367 * <a href=
368 * "{@docRoot}/../technotes/guides/security/StandardNames.html#Policy">
369 * Java Cryptography Architecture Standard Algorithm Name Documentation</a>
370 * for a list of standard Policy types.
371 *
372 * @param params parameters for the Policy, which may be null.
373 *
374 * @return the new Policy object.
375 *
376 * @exception SecurityException if the caller does not have permission
377 * to get a Policy instance for the specified type.
378 *
379 * @exception NullPointerException if the specified type is null.
380 *
381 * @exception IllegalArgumentException if the specified parameters
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