100 lines
3.3 KiB
Java
100 lines
3.3 KiB
Java
/* SecurityProviderInfo.java -- Data Access Object for a security provider
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.classpath.tools.common;
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import java.security.Provider;
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/**
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* A Data Access Object (DAO) referenceing a <i>Security Provider</i> and its
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* position in the list of installed <i>Security Providers</i> in the underlying
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* JVM runtime.
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*/
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public class SecurityProviderInfo
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{
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final private Provider provider;
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final private int position;
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private transient String str;
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/**
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* Constructs an instance of <code>SecurityProviderInfo</code>.
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* <p>
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* Used by {@link ProviderUtil} to indicate the result of adding a provider,
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* given its class name.
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*
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* @param provider the possibly <code>null</code> {@link Provider}.
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* @param position the position of <code>provider</code> in the list of
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* <i>Security Providers</i> in the underlying JVM runtime. <code>-1</code>
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* if that provider (a) is <code>null</code>, or (b) was not added because it
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* was already there.
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*/
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SecurityProviderInfo(Provider provider, int position)
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{
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super();
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this.provider = provider;
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this.position = position;
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}
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/** @return the possibly <code>null</code> {@link Provider} instance. */
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public Provider getProvider()
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{
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return this.provider;
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}
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/**
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* @return the position of the {@link Provider}, or <code>-1</code> if it
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* was not added.
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*/
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public int getPosition()
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{
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return this.position;
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}
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public String toString()
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{
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if (str == null)
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if (provider == null)
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str = "SecurityProviderInfo{null, -1}";
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else
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str = "SecurityProviderInfo{" + provider.getName() + ", " + position + "}";
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return str;
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}
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}
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