| /* TrustManagerFactory.java -- factory for trust managers. |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| |
| This file is 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, 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; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 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 javax.net.ssl; |
| |
| import gnu.java.security.Engine; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.security.AccessController; |
| import java.security.InvalidAlgorithmParameterException; |
| import java.security.KeyStore; |
| import java.security.KeyStoreException; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.NoSuchProviderException; |
| import java.security.PrivilegedAction; |
| import java.security.Provider; |
| import java.security.Security; |
| |
| /** |
| * A factory for creating trust manager objects. |
| */ |
| public class TrustManagerFactory |
| { |
| |
| // Constants and fields. |
| // ------------------------------------------------------------------------- |
| |
| /** The service name for trust manager factories. */ |
| private static final String TRUST_MANAGER_FACTORY = "TrustManagerFactory"; |
| |
| /** The system default trust manager algorithm. */ |
| private static final String DEFAULT_ALGORITHM = "JessieX509"; |
| |
| /** The underlying engine class. */ |
| private final TrustManagerFactorySpi tmfSpi; |
| |
| /** The provider of the engine class. */ |
| private final Provider provider; |
| |
| /** The name of this trust manager algorithm. */ |
| private final String algorithm; |
| |
| // Constructor. |
| // ------------------------------------------------------------------------- |
| |
| /** |
| * Creates a new trust manager factory. |
| * |
| * @param tmfSpi The underlying engine class. |
| * @param provider The provider of the engine class. |
| * @param algorithm The trust manager algorithm name. |
| */ |
| protected TrustManagerFactory(TrustManagerFactorySpi tmfSpi, |
| Provider provider, String algorithm) |
| { |
| this.tmfSpi = tmfSpi; |
| this.provider = provider; |
| this.algorithm = algorithm; |
| } |
| |
| // Class methods. |
| // ------------------------------------------------------------------------- |
| |
| /** |
| * Returns an instance of a trust manager factory for the given algorithm |
| * from the first provider that implements it. |
| * |
| * @param algorithm The name of the algorithm to get. |
| * @return The instance of the trust manager factory. |
| * @throws NoSuchAlgorithmException If no provider implements the given |
| * algorithm. |
| */ |
| public static final TrustManagerFactory getInstance(String algorithm) |
| throws NoSuchAlgorithmException |
| { |
| Provider[] provs = Security.getProviders(); |
| for (int i = 0; i < provs.length; i++) |
| { |
| try |
| { |
| return getInstance(algorithm, provs[i]); |
| } |
| catch (NoSuchAlgorithmException ignore) |
| { |
| } |
| } |
| throw new NoSuchAlgorithmException(algorithm); |
| } |
| |
| /** |
| * Returns an instance of a trust manager factory for the given algorithm |
| * from the named provider. |
| * |
| * @param algorithm The name of the algorithm to get. |
| * @param provider The name of the provider to get the instance from. |
| * @return The instance of the trust manager factory. |
| * @throws NoSuchAlgorithmException If the provider does not implement the |
| * given algorithm. |
| * @throws NoSuchProviderException If there is no such named provider. |
| * @throws IllegalArgumentException If the provider argument is null. |
| */ |
| public static final TrustManagerFactory getInstance(String algorithm, |
| String provider) |
| throws NoSuchAlgorithmException, NoSuchProviderException |
| { |
| if (provider == null) |
| { |
| throw new IllegalArgumentException(); |
| } |
| Provider p = Security.getProvider(provider); |
| if (p == null) |
| { |
| throw new NoSuchProviderException(provider); |
| } |
| return getInstance(algorithm, p); |
| } |
| |
| /** |
| * Returns an instance of a trust manager factory for the given algorithm |
| * from the specified provider. |
| * |
| * @param algorithm The name of the algorithm to get. |
| * @param provider The provider to get the instance from. |
| * @return The instance of the trust manager factory. |
| * @throws NoSuchAlgorithmException If the provider does not implement the |
| * given algorithm. |
| * @throws IllegalArgumentException If the provider argument is null. |
| */ |
| public static final TrustManagerFactory getInstance(String algorithm, |
| Provider provider) |
| throws NoSuchAlgorithmException |
| { |
| if (provider == null) |
| { |
| throw new IllegalArgumentException(); |
| } |
| try |
| { |
| return new TrustManagerFactory((TrustManagerFactorySpi) |
| Engine.getInstance(TRUST_MANAGER_FACTORY, algorithm, provider), |
| provider, algorithm); |
| } |
| catch (InvocationTargetException ite) |
| { |
| throw new NoSuchAlgorithmException(algorithm); |
| } |
| catch (ClassCastException cce) |
| { |
| throw new NoSuchAlgorithmException(algorithm); |
| } |
| } |
| |
| /** |
| * Returns the default algorithm for trust manager factories. The value |
| * returned is either the value of the security property |
| * "ssl.TrustManagerFactory.algorithm" if it is set, or the value "JessieX509" |
| * if not. |
| * |
| * @return The default algorithm name. |
| * @see Security.getProperty(java.lang.String) |
| */ |
| public static final String getDefaultAlgorithm() |
| { |
| String alg = null; |
| try |
| { |
| alg = (String) AccessController.doPrivileged( |
| new PrivilegedAction() |
| { |
| public Object run() |
| { |
| return Security.getProperty("ssl.TrustManagerFactory.algorithm"); |
| } |
| } |
| ); |
| } |
| catch (SecurityException se) |
| { |
| } |
| if (alg == null) |
| alg = DEFAULT_ALGORITHM; |
| return alg; |
| } |
| |
| // Instance methods. |
| // ------------------------------------------------------------------------- |
| |
| /** |
| * Returns the name of this trust manager algorithm. |
| * |
| * @return The algorithm name. |
| */ |
| public final String getAlgorithm() |
| { |
| return algorithm; |
| } |
| |
| /** |
| * Returns the provider of the underlying implementation. |
| * |
| * @return The provider. |
| */ |
| public final Provider getProvider() |
| { |
| return provider; |
| } |
| |
| /** |
| * Returns the trust managers created by this factory. |
| * |
| * @return The trust managers. |
| */ |
| public final TrustManager[] getTrustManagers() |
| { |
| return tmfSpi.engineGetTrustManagers(); |
| } |
| |
| /** |
| * Initialize this instance with some algorithm-specific parameters. |
| * |
| * @param params The parameters. |
| * @throws InvalidAlgorithmParameterException If the supplied parameters |
| * are inappropriate for this instance. |
| */ |
| public final void init(ManagerFactoryParameters params) |
| throws InvalidAlgorithmParameterException |
| { |
| tmfSpi.engineInit(params); |
| } |
| |
| /** |
| * Initialize this instance with a key store. The key store may be null, |
| * in which case a default will be used. |
| * |
| * @param store The key store. |
| * @throws KeyStoreException If there is a problem reading from the |
| * key store. |
| */ |
| public final void init(KeyStore store) throws KeyStoreException |
| { |
| tmfSpi.engineInit(store); |
| } |
| } |