java.security.Provider.getServices()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 其他  
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本文整理了Java中java.security.Provider.getServices()方法的一些代码示例，展示了Provider.getServices()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Provider.getServices()方法的具体详情如下：
包路径：java.security.Provider
类名称：Provider
方法名：getServices

Provider.getServices介绍

[英]Returns an unmodifiable Set of all services registered by this provider.
[中]返回此提供程序注册的所有服务的不可修改集。

代码示例

代码示例来源：origin: stackoverflow.com

for (Provider p: Security.getProviders()) p.getServices().forEach(System.out::println);

代码示例来源：origin: stackoverflow.com

Provider[] providers = Security.getProviders();
for (Provider provider : providers) {
  Log.i("CRYPTO","provider: "+provider.getName());
  Set<Provider.Service> services = provider.getServices();
  for (Provider.Service service : services) {
    Log.i("CRYPTO","  algorithm: "+service.getAlgorithm());
  }
}

代码示例来源：origin: stackoverflow.com

import java.security.Provider;
import java.security.Security;

public class SecurityListings {
  public static void main(String[] args) {
    for (Provider provider : Security.getProviders()) {
      System.out.println("Provider: " + provider.getName());
      for (Provider.Service service : provider.getServices()) {
        System.out.println("  Algorithm: " + service.getAlgorithm());
      }
    }

  }
}

代码示例来源：origin: robovm/robovm

/**
 * Get the service of the specified type
 *
 */
synchronized Provider.Service getService(String type) {
  updatePropertyServiceTable();
  if (lastServicesByType != null && type.equals(lastType)) {
    return lastServicesByType;
  }
  Provider.Service service;
  for (Iterator<Service> it = getServices().iterator(); it.hasNext();) {
    service = it.next();
    if (type.equals(service.type)) {
      lastType = type;
      lastServicesByType = service;
      return service;
    }
  }
  return null;
}

代码示例来源：origin: wildfly/wildfly

/**
 * Find a provider service which matches the given predicate.
 *
 * @param providerSupplier the provider supplier
 * @param matchPredicate the predicate to test
 * @return the provider service, or {@code null} if none is found
 */
public static Provider.Service findProviderService(Supplier<Provider[]> providerSupplier, Predicate<Provider.Service> matchPredicate) {
  Assert.checkNotNullParam("providerSupplier", providerSupplier);
  Assert.checkNotNullParam("matchPredicate", matchPredicate);
  for (Provider provider : providerSupplier.get()) {
    for (Provider.Service service : provider.getServices()) {
      if (matchPredicate.test(service)) {
        return service;
      }
    }
  }
  return null;
}

代码示例来源：origin: robovm/robovm

/**
 * Adds information about provider services into HashMap.
 */
public static synchronized void initServiceInfo(Provider p) {
  for (Provider.Service service : p.getServices()) {
    String type = service.getType();
    if (cachedSecureRandomService == null && type.equals("SecureRandom")) {
      cachedSecureRandomService = service;
    }
    String key = type + "." + service.getAlgorithm().toUpperCase(Locale.US);
    if (!services.containsKey(key)) {
      services.put(key, service);
    }
    for (String alias : Engine.door.getAliases(service)) {
      key = type + "." + alias.toUpperCase(Locale.US);
      if (!services.containsKey(key)) {
        services.put(key, service);
      }
    }
  }
}

代码示例来源：origin: robovm/robovm

/**
 * Returns a {@code Set} of all registered algorithms for the specified
 * cryptographic service. {@code "Signature"}, {@code "Cipher"} and {@code
 * "KeyStore"} are examples for such kind of services.
 *
 * @param serviceName
 *            the case-insensitive name of the service.
 * @return a {@code Set} of all registered algorithms for the specified
 *         cryptographic service, or an empty {@code Set} if {@code
 *         serviceName} is {@code null} or if no registered provider
 *         provides the requested service.
 */
public static Set<String> getAlgorithms(String serviceName) {
  Set<String> result = new HashSet<String>();
  // compatibility with RI
  if (serviceName == null) {
    return result;
  }
  for (Provider provider : getProviders()) {
    for (Provider.Service service: provider.getServices()) {
      if (service.getType().equalsIgnoreCase(serviceName)) {
        result.add(service.getAlgorithm());
      }
    }
  }
  return result;
}

代码示例来源：origin: wildfly/wildfly

/**
 * @see org.wildfly.security.http.HttpServerAuthenticationMechanismFactory#getMechanismNames(java.util.Map)
 */
@Override
public String[] getMechanismNames(Map<String, ?> properties) {
  Set<String> names = new LinkedHashSet<>();
  for (Provider current : providerSupplier.get()) {
    Set<Service> services = current.getServices();
    if (services != null) {
      for (Service currentService : services) {
        if (SERVICE_TYPE.equals(currentService.getType())) {
          try {
            String[] serviceMechNames = ((HttpServerAuthenticationMechanismFactory) currentService.newInstance(null)).getMechanismNames(properties);
            Collections.addAll(names, serviceMechNames);
          } catch (NoSuchAlgorithmException e) {
            log.debug("Unable to create instance", e);
          }
        }
      }
    }
  }
  if (names.size() == 0 && log.isTraceEnabled()) {
    log.tracef("No %s provided by provider loader in %s: %s", SERVICE_TYPE, getClass().getSimpleName(), Arrays.toString(providerSupplier.get()));
  }
  return names.toArray(new String[names.size()]);
}

代码示例来源：origin: wildfly/wildfly

@Override
  public String[] getMechanismNames(final Map<String, ?> props) {
    final BiPredicate<String, Provider> mechFilter = SaslFactories.getProviderFilterPredicate(props);
    final Set<String> names = new LinkedHashSet<>();
    for (Provider currentProvider : providerSupplier.get()) {
      Set<Service> services = currentProvider.getServices();
      if (services != null) {
        for (Service service : services) {
          if (SERVICE_TYPE.equals(service.getType())) {
            try {
              final String[] mechanismNames = ((SaslServerFactory) service.newInstance(null)).getMechanismNames(props);
              Collections.addAll(names, SaslFactories.filterMechanismsByProvider(mechanismNames, 0, 0, currentProvider, mechFilter));
            } catch (NoSuchAlgorithmException | ClassCastException | InvalidParameterException e) {
              log.debug("Unable to create instance", e);
            }
          }
        }
      }
    }
    if (names.size() == 0 && log.isTraceEnabled()) {
      log.tracef("No %s provided by provider supplier in %s: %s", SERVICE_TYPE, getClass().getSimpleName(), Arrays.toString(providerSupplier.get()));
    }
    return names.toArray(new String[names.size()]);
  }
}

代码示例来源：origin: wildfly/wildfly

@Override
  public String[] getMechanismNames(final Map<String, ?> props) {
    final BiPredicate<String, Provider> mechFilter = SaslFactories.getProviderFilterPredicate(props);
    final Set<String> names = new LinkedHashSet<>();
    for (Provider currentProvider : providerSupplier.get()) {
      Set<Service> services = currentProvider.getServices();
      if (services != null) {
        for (Service service : services) {
          if (SERVICE_TYPE.equals(service.getType())) {
            try {
              final String[] mechanismNames = ((SaslClientFactory) service.newInstance(null)).getMechanismNames(props);
              Collections.addAll(names, SaslFactories.filterMechanismsByProvider(mechanismNames, 0, 0, currentProvider, mechFilter));
            } catch (NoSuchAlgorithmException | ClassCastException | InvalidParameterException e) {
              log.debug("Unable to create instance", e);
            }
          }
        }
      }
    }
    if (names.size() == 0 && log.isTraceEnabled()) {
      log.tracef("No %s provided by providers in %s: %s", SERVICE_TYPE, getClass().getSimpleName(), Arrays.toString(providerSupplier.get()));
    }
    return names.toArray(new String[names.size()]);
  }
}

代码示例来源：origin: wildfly/wildfly

/**
 * @see org.wildfly.security.http.HttpServerAuthenticationMechanismFactory#createAuthenticationMechanism(java.lang.String, java.util.Map, javax.security.auth.callback.CallbackHandler)
 */
@Override
public HttpServerAuthenticationMechanism createAuthenticationMechanism(String mechanismName, Map<String, ?> properties, CallbackHandler callbackHandler) throws HttpAuthenticationException {
  for (Provider current : providerSupplier.get()) {
    Set<Service> services = current.getServices();
    if (services != null) {
      for (Service currentService : services) {
        if (SERVICE_TYPE.equals(currentService.getType())) {
          try {
            HttpServerAuthenticationMechanismFactory factory = (HttpServerAuthenticationMechanismFactory) currentService.newInstance(null);
            HttpServerAuthenticationMechanism mechanism = factory.createAuthenticationMechanism(mechanismName, properties, callbackHandler);
            if (mechanism != null) {
              return mechanism;
            }
          } catch (NoSuchAlgorithmException e) {
            log.debug("Unable to create instance", e);
          }
        }
      }
    }
  }
  if (log.isTraceEnabled()) {
    log.tracef("No %s provided by provider loader in %s: %s", SERVICE_TYPE, getClass().getSimpleName(), Arrays.toString(providerSupplier.get()));
  }
  return null;
}

代码示例来源：origin: wildfly/wildfly

continue;
Set<Service> services = currentProvider.getServices();
if (services != null) {
  for (Service service : currentProvider.getServices()) {
    if (SERVICE_TYPE.equals(service.getType())) {
      try {

代码示例来源：origin: wildfly/wildfly

Set<Service> services = currentProvider.getServices();
if (services != null) {
  for (Provider.Service service : services) {

代码示例来源：origin: wildfly/wildfly

continue;
Set<Service> services = provider.getServices();
if (services != null) {
  for (Provider.Service service : services) {

代码示例来源：origin: stackoverflow.com

import java.security.Provider;
import java.security.Security;

public class JceLook {

  public static void main(String[] args) {
    System.out.println("Algorithms Supported in this JCE.");
    System.out.println("====================");
    // heading
    System.out.println("Provider: type.algorithm -> className" + "\n  aliases:" + "\n  attributes:\n");
    // discover providers
    Provider[] providers = Security.getProviders();
    for (Provider provider : providers) {
      System.out.println("<><><>" + provider + "<><><>\n");
      // discover services of each provider
      for (Provider.Service service : provider.getServices()) {
        System.out.println(service);
      }
      System.out.println();
    }
  }
}

代码示例来源：origin: org.apache.wss4j/wss4j-ws-security-common

public Set<Service> getServices() {
  Provider p = getProvider();
  if (p != null) {
    return p.getServices();
  } else {
    return Collections.emptySet();
  }
}

代码示例来源：origin: io.skullabs.kikaha/kikaha-core

private void showAvailableSecurityProviders(){
  HashSet<String> strings = new HashSet<>();
  for ( Provider provider : Security.getProviders() ) {
    for ( Provider.Service serviceProvider : provider.getServices() )
      strings.add( serviceProvider.getAlgorithm() );
  }
  log.debug( "Available security provides: " + String.join( " " , strings ) );
}

代码示例来源：origin: stackoverflow.com

for (Provider provider : Security.getProviders()) {
  for (Provider.Service service : provider.getServices()) {
    System.out.println(provider.getName() + ": " + service.getType() + "." + service.getAlgorithm());
    // check these values and find a best match
  }
}

代码示例来源：origin: com.madgag.spongycastle/bctls-jdk15on

public synchronized final Set<Provider.Service> getServices()
{
  Set<Provider.Service> serviceSet = super.getServices();
  Set<Provider.Service> bcServiceSet = new HashSet<Provider.Service>();
  for (Provider.Service service: serviceSet)
  {
    bcServiceSet.add(getService(service.getType(), service.getAlgorithm()));
  }
  return bcServiceSet;
}

代码示例来源：origin: stackoverflow.com

Provider[] providers = Security.getProviders();
for (Provider p : providers) {
 String providerStr = String.format("%s/%s/%f\n", p.getName(),
          p.getInfo(), p.getVersion());
 Set<Service> services = p.getServices();
 for (Service s : services) {
  if ("MessageDigest".equals(s.getType())) {
    System.out.printf("\t%s/%s/%s", s.getType(),
              s.getAlgorithm(), s.getClassName());
  }
 }
}

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