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package java.security;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.util.Date;
import java.util.Enumeration;
public class KeyStore extends Object
{
private KeyStoreSpi keyStoreSpi;
private Provider provider;
private String type;
private boolean initialised;
protected KeyStore(
KeyStoreSpi keyStoreSpi,
Provider provider,
String type)
{
this.keyStoreSpi = keyStoreSpi;
this.provider = provider;
this.type = type;
this.initialised = false;
}
public final Enumeration aliases() throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
return keyStoreSpi.engineAliases();
}
public final boolean containsAlias(String alias) throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
return keyStoreSpi.engineContainsAlias(alias);
}
public final void deleteEntry(String alias) throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
keyStoreSpi.engineDeleteEntry(alias);
}
public final Certificate getCertificate(String alias)
throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
return keyStoreSpi.engineGetCertificate(alias);
}
public final String getCertificateAlias(Certificate cert)
throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
return keyStoreSpi.engineGetCertificateAlias(cert);
}
public final Certificate[] getCertificateChain(String alias)
throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
return keyStoreSpi.engineGetCertificateChain(alias);
}
public final Date getCreationDate(String alias) throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
return keyStoreSpi.engineGetCreationDate(alias);
}
public static final String getDefaultType()
{
return "JKS";
}
public static KeyStore getInstance(String type) throws KeyStoreException
{
try
{
SecurityUtil.Implementation imp = SecurityUtil.getImplementation("KeyStore", type, null);
if (imp != null)
{
return new KeyStore((KeyStoreSpi)imp.getEngine(), imp.getProvider(), type);
}
throw new KeyStoreException("can't find type " + type);
}
catch (NoSuchProviderException e)
{
throw new KeyStoreException(type + " not found");
}
}
public static KeyStore getInstance(String type, String provider)
throws KeyStoreException, NoSuchProviderException
{
SecurityUtil.Implementation imp = SecurityUtil.getImplementation("KeyStore", type, provider);
if (imp != null)
{
return new KeyStore((KeyStoreSpi)imp.getEngine(), imp.getProvider(), type);
}
throw new KeyStoreException("can't find type " + type);
}
public final Key getKey(String alias, char[] password)
throws KeyStoreException, NoSuchAlgorithmException,
UnrecoverableKeyException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
return keyStoreSpi.engineGetKey(alias, password);
}
public final Provider getProvider()
{
return provider;
}
public final String getType()
{
return type;
}
public final boolean isCertificateEntry(String alias)
throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
return keyStoreSpi.engineIsCertificateEntry(alias);
}
public final boolean isKeyEntry(String alias) throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
return keyStoreSpi.engineIsKeyEntry(alias);
}
public final void load(
InputStream stream,
char[] password)
throws IOException, NoSuchAlgorithmException, CertificateException
{
keyStoreSpi.engineLoad(stream, password);
initialised = true;
}
public final void setCertificateEntry(String alias, Certificate cert)
throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
keyStoreSpi.engineSetCertificateEntry(alias, cert);
}
public final void setKeyEntry(
String alias,
Key key,
char[] password,
Certificate[] chain)
throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
keyStoreSpi.engineSetKeyEntry(alias, key, password, chain);
}
public final void setKeyEntry(
String alias,
byte[] key,
Certificate[] chain)
throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
keyStoreSpi.engineSetKeyEntry(alias, key, chain);
}
public final int size() throws KeyStoreException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
return keyStoreSpi.engineSize();
}
public final void store(
OutputStream stream,
char[] password)
throws KeyStoreException, IOException, NoSuchAlgorithmException,
CertificateException
{
if ( !initialised )
throw new KeyStoreException("KeyStore not initialised.");
keyStoreSpi.engineStore(stream, password);
}
}
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