本文整理了Java中java.security.Security.getProviders()方法的一些代码示例，展示了Security.getProviders()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。Security.getProviders()方法的具体详情如下：
包路径：java.security.Security
类名称：Security
方法名：getProviders

Security.getProviders介绍

[英]Returns an array containing all installed providers. The providers are ordered according their preference order.
[中]返回包含所有已安装的提供程序的数组。提供者根据其偏好顺序进行排序。

代码示例

代码示例来源：origin: square/okhttp

public static boolean isConscryptPreferred() {
 // mainly to allow tests to run cleanly
 if ("conscrypt".equals(Util.getSystemProperty("okhttp.platform", null))) {
  return true;
 }
 // check if Provider manually installed
 String preferredProvider = Security.getProviders()[0].getName();
 return "Conscrypt".equals(preferredProvider);
}

代码示例来源：origin: apache/geode

private static boolean usesIBMProviders() {
 final Provider[] providers = Security.getProviders();
 for (int index = 0; index < providers.length; ++index) {
  if (!providers[index].getName().toLowerCase().startsWith("ibm")) {
   return false;
  }
 }
 return true;
}

代码示例来源：origin: com.squareup.okhttp3/okhttp

public static boolean isConscryptPreferred() {
 // mainly to allow tests to run cleanly
 if ("conscrypt".equals(Util.getSystemProperty("okhttp.platform", null))) {
  return true;
 }
 // check if Provider manually installed
 String preferredProvider = Security.getProviders()[0].getName();
 return "Conscrypt".equals(preferredProvider);
}

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: jwtk/jjwt

public static void enableBouncyCastleIfPossible() {
  if (!BOUNCY_CASTLE_AVAILABLE || bcLoaded.get()) {
    return;
  }
  try {
    Class clazz = Classes.forName(BC_PROVIDER_CLASS_NAME);
    //check to see if the user has already registered the BC provider:
    Provider[] providers = Security.getProviders();
    for(Provider provider : providers) {
      if (clazz.isInstance(provider)) {
        bcLoaded.set(true);
        return;
      }
    }
    //bc provider not enabled - add it:
    Security.addProvider((Provider)Classes.newInstance(clazz));
    bcLoaded.set(true);
  } catch (UnknownClassException e) {
    //not available
  }
}

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: wildfly/wildfly

private static <T> Iterator<T> getFactories(Class<T> type, ClassLoader classLoader, boolean includeGlobal) {
  Set<T> factories = new LinkedHashSet<>();
  final ServiceLoader<T> loader = ServiceLoader.load(type, classLoader);
  for (T factory : loader) {
    factories.add(factory);
  }
  if (includeGlobal) {
    Set<String> loadedClasses = new HashSet<>();
    final String filter = type.getSimpleName() + ".";
    Provider[] providers = Security.getProviders();
    for (Provider currentProvider : providers) {
      final ClassLoader cl = currentProvider.getClass().getClassLoader();
      currentProvider.keySet().stream().filter(currentKey -> currentKey instanceof String && ((String)currentKey).startsWith(filter)
       && ((String)currentKey).indexOf(' ') < 0).forEach(currentKey -> {
        String className=currentProvider.getProperty((String)currentKey);
        if(className != null && loadedClasses.add(className)) {
          try {
            factories.add(Class.forName(className, true, cl).asSubclass(type).newInstance());
          } catch(ClassNotFoundException | ClassCastException | InstantiationException | IllegalAccessException e) {
          }
        }
      });
    }
  }
  return factories.iterator();
}

代码示例来源：origin: Javen205/IJPay

/**
 * 打jre中印算法提供者列表
 */
private static void printProviders() {
  LogUtil.writeLog("Providers List:");
  Provider[] providers = Security.getProviders();
  for (int i = 0; i < providers.length; i++) {
    LogUtil.writeLog(i + 1 + "." + providers[i].getName());
  }
}

代码示例来源：origin: robovm/robovm

hm.put(filter.substring(0, i), filter.substring(i + 1));
return getProviders(hm);

代码示例来源：origin: line/armeria

/**
 * Invokes the specified {@link Callable} with {@link BouncyCastleKeyFactoryProvider} enabled temporarily.
 */
public static synchronized <T> T call(Callable<T> task) throws Exception {
  boolean needToAdd = true;
  for (Provider provider : Security.getProviders()) {
    if (provider instanceof BouncyCastleKeyFactoryProvider) {
      needToAdd = false;
      break;
    }
  }
  if (needToAdd) {
    Security.addProvider(new BouncyCastleKeyFactoryProvider());
    try {
      return task.call();
    } finally {
      Security.removeProvider(PROVIDER_NAME);
    }
  } else {
    return task.call();
  }
}

代码示例来源：origin: wildfly/wildfly

final String filter = type.getSimpleName() + ".";
Provider[] providers = Security.getProviders();
final SecurityManager sm = System.getSecurityManager();
for (final Provider currentProvider : providers) {

代码示例来源：origin: robovm/robovm

/**
 * Returns value for the specified algorithm with the specified name.
 *
 * @param algName
 *            the name of the algorithm.
 * @param propName
 *            the name of the property.
 * @return value of the property.
 * @deprecated Use {@link AlgorithmParameters} and {@link KeyFactory} instead.
 */
@Deprecated
public static String getAlgorithmProperty(String algName, String propName) {
  if (algName == null || propName == null) {
    return null;
  }
  String prop = "Alg." + propName + "." + algName;
  Provider[] providers = getProviders();
  for (Provider provider : providers) {
    for (Enumeration e = provider.propertyNames(); e.hasMoreElements(); ) {
      String propertyName = (String) e.nextElement();
      if (propertyName.equalsIgnoreCase(prop)) {
        return provider.getProperty(propertyName);
      }
    }
  }
  return null;
}

代码示例来源：origin: robovm/robovm

private static synchronized void checkCacheVersion() {
  int newCacheVersion = Services.getCacheVersion();
  if (newCacheVersion != cacheVersion) {
    //
    // Now search providers for mappings like
    // Alg.Alias.<service>.<OID-INTS-DOT-SEPARATED>=<alg-name>
    //  or
    // Alg.Alias.<service>.OID.<OID-INTS-DOT-SEPARATED>=<alg-name>
    //
    Provider[] pl = Security.getProviders();
    for (Provider element : pl) {
      selectEntries(element);
    }
    cacheVersion = newCacheVersion;
  }
}

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

private KeyStore getKeyStoreInstance(String type) throws CredentialStoreException {
  if (providers != null) {
    for (Provider p: providers) {
      try {
        return KeyStore.getInstance(type, p);
      } catch (KeyStoreException e) {
        // no such keystore type in provider, ignore
      }
    }
  }
  try {
    if (log.isTraceEnabled()) {
      log.tracef("Obtaining KeyStore instance of type %s, providers: %s", type, Arrays.toString(Security.getProviders()));
    }
    KeyStore ks = KeyStore.getInstance(type);
    log.tracef("Obtained KeyStore instance: %s", ks);
    return ks;
  } catch (KeyStoreException e) {
    throw log.cannotInitializeCredentialStore(e);
  }
}

代码示例来源：origin: voldemort/voldemort

private void testBouncyCastleProvider() throws IOException {
  Properties properties = new Properties();
  // Use bouncy castle as first choice of JCE provider.
  properties.setProperty("use.bouncycastle.for.ssl", "true");
  server = getVoldemortServer(properties);
  assertEquals(BouncyCastleProvider.PROVIDER_NAME, Security.getProviders()[0].getName());
}

代码示例来源：origin: auth0/java-jwt

@Test
public void shouldPreferBouncyCastleProvider() throws Exception {
  assertThat(Security.getProviders()[0], is(equalTo(bcProvider)));
}

代码示例来源：origin: syncany/syncany

@Test 
  public void listCryptoSettingsAvailable() {
    logger.log(Level.INFO, "Listing security providers and properties:");
    
    for (Provider provider: Security.getProviders()) {
      logger.log(Level.INFO, "- Provider '"+provider.getName()+"' ");
      
      List<String> propertyNames = new ArrayList<String>();
      propertyNames.addAll(provider.stringPropertyNames());
      
      Collections.sort(propertyNames);
      
      for (String key : propertyNames) {
        logger.log(Level.INFO, "   "+provider.getName()+" / "+key+" = "+provider.getProperty(key));
      }
    }
  }        
}

代码示例来源：origin: org.apache.logging.log4j/log4j-core

{ "\n", null, null, BigDecimal.class },
{ Security.getProviders()[0].getName(), Security.getProviders()[0], null, Provider.class },
{ "\n", null, null, Provider.class },