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Merged gcj-eclipse branch to trunk.

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From-SVN: r120621
This commit is contained in:
Tom Tromey 2007-01-09 19:58:05 +00:00
parent c648dedbde
commit 97b8365caf
17478 changed files with 606493 additions and 100744 deletions
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100
libjava/classpath/java/security/AlgorithmParameterGenerator.java
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@ -40,6 +40,7 @@ package java.security;
import gnu.java.security.Engine;
import java.lang.reflect.InvocationTargetException;
import java.security.spec.AlgorithmParameterSpec;
/**
@ -97,26 +98,29 @@ public class AlgorithmParameterGenerator
* Returns a new <code>AlgorithmParameterGenerator</code> instance which
* generates algorithm parameters for the specified algorithm.
*
* @param algorithm
* the name of algorithm to use.
* @param algorithm the name of algorithm to use.
* @return the new instance.
* @throws NoSuchAlgorithmException
* if <code>algorithm</code> is not implemented by any provider.
* @throws NoSuchAlgorithmException if <code>algorithm</code> is not
* implemented by any provider.
* @throws IllegalArgumentException if <code>algorithm</code> is
* <code>null</code> or is an empty string.
*/
public static AlgorithmParameterGenerator getInstance(String algorithm)
throws NoSuchAlgorithmException
throws NoSuchAlgorithmException
{
Provider[] p = Security.getProviders();
NoSuchAlgorithmException lastException = null;
for (int i = 0; i < p.length; i++)
try
{
return getInstance(algorithm, p[i]);
}
catch (NoSuchAlgorithmException e)
{
// Ignore.
}
catch (NoSuchAlgorithmException x)
{
lastException = x;
}
if (lastException != null)
throw lastException;
throw new NoSuchAlgorithmException(algorithm);
}
@ -124,27 +128,27 @@ public class AlgorithmParameterGenerator
* Returns a new <code>AlgorithmParameterGenerator</code> instance which
* generates algorithm parameters for the specified algorithm.
*
* @param algorithm
* the name of algorithm to use.
* @param provider
* the name of the {@link Provider} to use.
* @param algorithm the name of algorithm to use.
* @param provider the name of the {@link Provider} to use.
* @return the new instance.
* @throws NoSuchAlgorithmException
* if the algorithm is not implemented by the named provider.
* @throws NoSuchProviderException
* if the named provider was not found.
* @throws NoSuchAlgorithmException if the algorithm is not implemented by the
* named provider.
* @throws NoSuchProviderException if the named provider was not found.
* @throws IllegalArgumentException if either <code>algorithm</code> or
* <code>provider</code> is <code>null</code> or empty.
*/
public static AlgorithmParameterGenerator getInstance(String algorithm,
String provider)
throws NoSuchAlgorithmException, NoSuchProviderException
String provider)
throws NoSuchAlgorithmException, NoSuchProviderException
{
if (provider == null || provider.length() == 0)
throw new IllegalArgumentException("Illegal provider");
if (provider == null)
throw new IllegalArgumentException("provider MUST NOT be null");
provider = provider.trim();
if (provider.length() == 0)
throw new IllegalArgumentException("provider MUST NOT be empty");
Provider p = Security.getProvider(provider);
if (p == null)
throw new NoSuchProviderException(provider);
return getInstance(algorithm, p);
}
@ -152,38 +156,50 @@ public class AlgorithmParameterGenerator
* Returns a new <code>AlgorithmParameterGenerator</code> instance which
* generates algorithm parameters for the specified algorithm.
*
* @param algorithm
* the name of algorithm to use.
* @param provider
* the {@link Provider} to use.
* @param algorithm the name of algorithm to use.
* @param provider the {@link Provider} to use.
* @return the new instance.
* @throws NoSuchAlgorithmException
* if the algorithm is not implemented by {@link Provider}.
* @throws NoSuchAlgorithmException if the algorithm is not implemented by
* {@link Provider}.
* @throws IllegalArgumentException if either <code>algorithm</code> or
* <code>provider</code> is <code>null</code>, or if
* <code>algorithm</code> is an empty string.
* @since 1.4
* @see Provider
*/
public static AlgorithmParameterGenerator getInstance(String algorithm,
Provider provider)
throws NoSuchAlgorithmException
throws NoSuchAlgorithmException
{
if (provider == null)
throw new IllegalArgumentException("Illegal provider");
StringBuilder sb = new StringBuilder()
.append("AlgorithmParameterGenerator for algorithm [")
.append(algorithm).append("] from provider[")
.append(provider).append("] could not be created");
Throwable cause;
try
{
return new AlgorithmParameterGenerator(
(AlgorithmParameterGeneratorSpi) Engine.getInstance(
ALGORITHM_PARAMETER_GENERATOR, algorithm, provider),
provider, algorithm);
Object spi = Engine.getInstance(ALGORITHM_PARAMETER_GENERATOR,
algorithm,
provider);
return new AlgorithmParameterGenerator((AlgorithmParameterGeneratorSpi) spi,
provider,
algorithm);
}
catch (java.lang.reflect.InvocationTargetException ite)
catch (InvocationTargetException x)
{
throw new NoSuchAlgorithmException(algorithm);
cause = x.getCause();
if (cause instanceof NoSuchAlgorithmException)
throw (NoSuchAlgorithmException) cause;
if (cause == null)
cause = x;
}
catch (ClassCastException cce)
catch (ClassCastException x)
{
throw new NoSuchAlgorithmException(algorithm);
cause = x;
}
NoSuchAlgorithmException x = new NoSuchAlgorithmException(sb.toString());
x.initCause(cause);
throw x;
}
/** @return the {@link Provider} of this generator. */