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diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/sasl/AuthInfo.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/sasl/AuthInfo.java
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+/* AuthInfo.java --
+ Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+
+This file is a part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or (at
+your option) any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
+USA
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.javax.crypto.sasl;
+
+import gnu.java.security.Registry;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.StringTokenizer;
+
+/**
+ * A static class for creating {@link IAuthInfoProvider} providers. It
+ * transparently locates and uses any provider instances, based on the value
+ * assigned to the System property with the key
+ * <code>gnu.crypto.sasl.auth.info.provider.pkgs</code>. If more than one is
+ * specified they SHOULD be separated with a vertical bar character. Please note
+ * that the GNU provider is always added last to the list, disregarding whether
+ * it was mentioned or not in the value of that property, or if it that property
+ * was not defined.
+ */
+public class AuthInfo
+{
+ private static final ArrayList factories = new ArrayList();
+ static
+ {
+ IAuthInfoProviderFactory ours = new AuthInfoProviderFactory();
+ // if SASL_AUTH_INFO_PROVIDER_PKGS is defined then parse it
+ String clazz;
+ String pkgs = System.getProperty(Registry.SASL_AUTH_INFO_PROVIDER_PKGS,
+ null);
+ if (pkgs != null)
+ {
+ for (StringTokenizer st = new StringTokenizer(pkgs, "|"); st.hasMoreTokens();)
+ {
+ clazz = st.nextToken().trim();
+ if (! "gnu.javax.crypto.sasl".equals(clazz))
+ {
+ clazz += ".AuthInfoProviderFactory";
+ try
+ {
+ IAuthInfoProviderFactory factory =
+ (IAuthInfoProviderFactory) Class.forName(clazz).newInstance();
+ factories.add(factory);
+ }
+ catch (ClassCastException ignored)
+ {
+ }
+ catch (ClassNotFoundException ignored)
+ {
+ }
+ catch (InstantiationException ignored)
+ {
+ }
+ catch (IllegalAccessException ignored)
+ {
+ }
+ }
+ }
+ }
+ // always add ours last; unless it's already there
+ if (!factories.contains(ours))
+ factories.add(ours);
+ }
+
+ /** Trivial constructor to enforce Singleton pattern. */
+ private AuthInfo()
+ {
+ super();
+ }
+
+ /**
+ * A convenience method to return the authentication information provider for
+ * a designated SASL mechnanism. It goes through all the installed provider
+ * factories, one at a time, and attempts to return a new instance of the
+ * provider for the designated mechanism. It stops at the first factory
+ * returning a non-null provider.
+ *
+ * @param mechanism the name of a SASL mechanism.
+ * @return an implementation that provides {@link IAuthInfoProvider} for that
+ * mechanism; or <code>null</code> if none found.
+ */
+ public static IAuthInfoProvider getProvider(String mechanism)
+ {
+ for (Iterator it = factories.iterator(); it.hasNext();)
+ {
+ IAuthInfoProviderFactory factory = (IAuthInfoProviderFactory) it.next();
+ IAuthInfoProvider result = factory.getInstance(mechanism);
+ if (result != null)
+ return result;
+ }
+ return null;
+ }
+}