org.apache.cayenne.util.Util.getJavaClass()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中org.apache.cayenne.util.Util.getJavaClass()方法的一些代码示例，展示了Util.getJavaClass()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。Util.getJavaClass()方法的具体详情如下：
包路径：org.apache.cayenne.util.Util
类名称：Util
方法名：getJavaClass

Util.getJavaClass介绍

[英]Creates a Java class, handling regular class names as well as single-dimensional arrays and primitive types.
[中]创建一个Java类，处理常规类名、一维数组和基本类型。

代码示例

代码示例来源：origin: org.apache.cayenne/cayenne-nodeps

  1. public EnumSerializerProxy() {
  2.   try {
  3.     // sniff JDK 1.5
  4.     Class.forName("java.lang.StringBuilder");
  5.     Class factoryClass = Util.getJavaClass(FACTORY_CLASS);
  6.     this.enumSerializer = (AbstractSerializerFactory) factoryClass.newInstance();
  7.   }
  8.   catch (Throwable th) {
  9.     // ignore.. jdk 1.4
  10.   }
  11. }

代码示例来源：origin: org.apache.cayenne/cayenne-nodeps

  1. static ConverterFactory createFactory() {
  2.   try {
  3.     // sniff JDK 1.5
  4.     Class.forName("java.lang.StringBuilder");
  5.     Class factoryClass = Util.getJavaClass(FACTORY_CLASS_JDK15);
  6.     return (ConverterFactory) factoryClass.newInstance();
  7.   }
  8.   catch (Throwable th) {
  9.     // .. jdk 1.4
  10.     return new ConverterFactory();
  11.   }
  12. }

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. SubclassTypeFactory(ExtendedType type) {
  2.   this.type = type;
  3.   try {
  4.     javaClass = Util.getJavaClass(type.getClassName());
  5.     // some classes that should not be handled here..
  6.     if (javaClass.isArray()
  7.         || javaClass.equals(Object.class)
  8.         || javaClass.isPrimitive()) {
  9.       javaClass = null;
  10.     }
  11.   } catch (ClassNotFoundException e) {
  12.     // ignore.
  13.   }
  14. }

代码示例来源：origin: org.apache.cayenne/cayenne-nodeps

  1. /**
  2.  * Creates new ExtendedTypeMap, populating it with default JDBC-compatible types. If
  3.  * JDK version is at least 1.5, also loads support for enumerated types.
  4.  */
  5. public ExtendedTypeMap() {
  6.   // see if we can support enums
  7.   try {
  8.     Class enumTypeClass = Util
  9.         .getJavaClass("org.apache.cayenne.access.types.EnumType");
  10.     this.enumTypeConstructor = enumTypeClass.getConstructor(new Class[] {
  11.       Class.class
  12.     });
  13.   }
  14.   catch (Throwable th) {
  15.     // no enums support... either Java 1.4 or Cayenne 1.5 extensions are absent
  16.   }
  17.   this.initDefaultTypes();
  18. }

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. /**
  2.  * @deprecated since 4.0 as class loading should not happen here.
  3.  */
  4. @Deprecated
  5. public PasswordEncoding getPasswordEncoder() {
  6.   try {
  7.     return (PasswordEncoding) Util.getJavaClass(getPasswordEncoderClass()).newInstance();
  8.   } catch (InstantiationException | IllegalAccessException | ClassNotFoundException | DIRuntimeException e) {
  9.     ; // Swallow it -- no need to throw/etc.
  10.   }
  11.   logger.error("Failed to obtain specified Password Encoder '" + getPasswordEncoderClass() + "'");
  12.   return null;
  13. }

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. /**
  2.  * Returns default java.sql.Types type by the Java type name.
  3.  * 
  4.  * @param className
  5.  *            Fully qualified Java Class name.
  6.  * @return The SQL type or NOT_DEFINED if no type found.
  7.  */
  8. public static int getSqlTypeByJava(String className) {
  9.   if (className == null) {
  10.     return NOT_DEFINED;
  11.   }
  12.   Integer type = JAVA_SQL_ENUM.get(className);
  13.   if (type != null) {
  14.     return type;
  15.   }
  16.   // try to load a Java class - some nonstandard mappings may work
  17.   Class<?> aClass;
  18.   try {
  19.     aClass = Util.getJavaClass(className);
  20.   } catch (Throwable th) {
  21.     return NOT_DEFINED;
  22.   }
  23.   return getSqlTypeByJava(aClass);
  24. }

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. /**
  2.  * Returns Java class of the embeddable.
  3.  * 
  4.  * @deprecated since 4.0 this method based on statically defined class
  5.  *             loading algorithm is not going to work in environments like
  6.  *             OSGi. {@link AdhocObjectFactory} should be used as it can
  7.  *             provide the environment-specific class loading policy.
  8.  */
  9. @Deprecated
  10. public Class<?> getJavaClass() {
  11.   String name = getClassName();
  12.   try {
  13.     return Util.getJavaClass(name);
  14.   } catch (ClassNotFoundException e) {
  15.     throw new CayenneRuntimeException("Failed to load class " + name + ": " + e.getMessage(), e);
  16.   }
  17. }

代码示例来源：origin: org.apache.cayenne/cayenne-web

  1. module = (Module) Util.getJavaClass(moduleName).newInstance();
  2. } catch (Exception e) {
  3.   String message = String.format("Error instantiating custom DI module '%s' by filter '%s': %s",

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. /**
  2.  * Loads JDBC driver using current thread class loader.
  3.  * 
  4.  * @since 3.0
  5.  * @deprecated since 4.0 as class loading should not happen here.
  6.  */
  7. @Deprecated
  8. private static Driver loadDriver(String driverClassName) {
  9.   Class<?> driverClass;
  10.   try {
  11.     driverClass = Util.getJavaClass(driverClassName);
  12.   } catch (Exception ex) {
  13.     throw new CayenneRuntimeException("Can not load JDBC driver named '%s': %s", driverClassName, ex.getMessage());
  14.   }
  15.   try {
  16.     return (Driver) driverClass.newInstance();
  17.   } catch (Exception ex) {
  18.     throw new CayenneRuntimeException("Error instantiating driver '%s': %s", driverClassName, ex.getMessage());
  19.   }
  20. }

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. module = (Module) Util.getJavaClass(moduleName).newInstance();

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. /**
  2.  * Returns Java class of persistent objects described by this entity. For
  3.  * generic entities with no class specified explicitly, default DataMap
  4.  * superclass is used, and if it is not set - CayenneDataObject is used.
  5.  * Casts any thrown exceptions into CayenneRuntimeException.
  6.  * 
  7.  * @since 1.2
  8.  * @deprecated since 4.0 this method based on statically defined class
  9.  *             loading algorithm is not going to work in environments like
  10.  *             OSGi. {@link AdhocObjectFactory} should be used as it can
  11.  *             provide the environment-specific class loading policy. 
  12.  */
  13. @Deprecated
  14. public Class<?> getJavaClass() {
  15.   String name = getJavaClassName();
  16.   try {
  17.     return Util.getJavaClass(name);
  18.   } catch (ClassNotFoundException e) {
  19.     throw new CayenneRuntimeException("Failed to doLoad class " + name + ": " + e.getMessage(), e);
  20.   }
  21. }

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. private Collection<Class<?>> getAnnotatedEntities(Class<? extends Annotation> annotationType) {
  2.   Collection<Class<?>> entities = entitiesByAnnotation.get(annotationType.getName());
  3.   if (entities == null) {
  4.     // ensure no dupes
  5.     entities = new HashSet<>();
  6.     for (ObjEntity entity : entityResolver.getObjEntities()) {
  7.       Class<?> entityType;
  8.       try {
  9.         entityType = Util.getJavaClass(entity.getClassName());
  10.       } catch (ClassNotFoundException e) {
  11.         throw new CayenneRuntimeException("Class not found: " + entity.getClassName(), e);
  12.       }
  13.       // ensure that we don't register the same callback for multiple
  14.       // classes in the same hierarchy, so find the topmost type using
  15.       // a given annotation and register it once
  16.       // TODO: This ignores "excludeSuperclassListeners" setting,
  17.       // which is not possible with annotations anyways
  18.       while (entityType != null && entityType.isAnnotationPresent(annotationType)) {
  19.         Class<?> superType = entityType.getSuperclass();
  20.         if (superType == null || !superType.isAnnotationPresent(annotationType)) {
  21.           entities.add(entityType);
  22.           break;
  23.         }
  24.         entityType = superType;
  25.       }
  26.     }
  27.     entitiesByAnnotation.put(annotationType.getName(), entities);
  28.   }
  29.   return entities;
  30. }

代码示例来源：origin: org.apache.cayenne/cayenne-nodeps

  1. typeClass = Util.getJavaClass(javaClassName);

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. enumClass = Util.getJavaClass(className);

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. /**
  2.  * Returns Java class of an object property described by this attribute.
  3.  * Wraps any thrown exceptions into CayenneRuntimeException.
  4.  */
  5. public Class<?> getJavaClass() {
  6.   if (this.getType() == null) {
  7.     return null;
  8.   }
  9.   try {
  10.     return Util.getJavaClass(getType());
  11.   } catch (ClassNotFoundException e) {
  12.     throw new CayenneRuntimeException("Failed to load class for name '" + this.getType() + "': "
  13.         + e.getMessage(), e);
  14.   }
  15. }

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. typeClass = Util.getJavaClass(className);
  2. } catch (Throwable th) {

代码示例来源：origin: org.apache.cayenne/cayenne-server

  1. /**
  2.  * Returns Java class of an object property described by this attribute. Wraps any
  3.  * thrown exceptions into CayenneRuntimeException.
  4.  */
  5. @Override
  6. public Class<?> getJavaClass() {
  7.   if (this.getType() == null) {
  8.     return null;
  9.   }
  10.   try {
  11.     return Util.getJavaClass(getType());
  12.   }
  13.   catch (ClassNotFoundException e) {
  14.     throw new CayenneRuntimeException("Failed to load class for name '"
  15.         + this.getType()
  16.         + "': "
  17.         + e.getMessage(), e);
  18.   }
  19. }

代码示例来源：origin: org.apache.cayenne/cayenne-nodeps

  1. /**
  2.  * Returns Java class of an object property described by this attribute. Wraps any
  3.  * thrown exceptions into CayenneRuntimeException.
  4.  */
  5. public Class getJavaClass() {
  6.   if (this.getType() == null) {
  7.     return null;
  8.   }
  9.   try {
  10.     // tolerate null class loader
  11.     return Util.getJavaClass(getType());
  12.   }
  13.   catch (ClassNotFoundException e) {
  14.     throw new CayenneRuntimeException("Failed to load class for name '"
  15.         + this.getType()
  16.         + "': "
  17.         + e.getMessage(), e);
  18.   }
  19. }

代码示例来源：origin: org.apache.cayenne/cayenne-nodeps

  1. /**
  2.  * Returns Java class of persistent objects described by this entity. For generic
  3.  * entities with no class specified explicitly, default DataMap superclass is used,
  4.  * and if it is not set - CayenneDataObject is used. Casts any thrown exceptions into
  5.  * CayenneRuntimeException.
  6.  * 
  7.  * @since 1.2
  8.  */
  9. public Class getJavaClass() {
  10.   String name = getClassName();
  11.   if (name == null && getDataMap() != null) {
  12.     name = getDataMap().getDefaultSuperclass();
  13.   }
  14.   if (name == null) {
  15.     name = CAYENNE_DATA_OBJECT_CLASS;
  16.   }
  17.   try {
  18.     return Util.getJavaClass(name);
  19.   }
  20.   catch (ClassNotFoundException e) {
  21.     throw new CayenneRuntimeException("Failed to load class "
  22.         + name
  23.         + ": "
  24.         + e.getMessage(), e);
  25.   }
  26. }

代码示例来源：origin: org.apache.cayenne/cayenne-lifecycle

  1. public EntityIdCoder(ObjEntity entity) {
  2.   this.entityName = entity.getName();
  3.   this.converters = new TreeMap<String, Converter>();
  4.   for (ObjAttribute attribute : entity.getAttributes()) {
  5.     if (attribute.isPrimaryKey()) {
  6.       converters.put(attribute.getDbAttributeName(),
  7.           create(attribute.getJavaClass()));
  8.     }
  9.   }
  10.   for (DbAttribute attribute : entity.getDbEntity().getPrimaryKeys()) {
  11.     if (!converters.containsKey(attribute.getName())) {
  12.       String type = TypesMapping
  13.           .getJavaBySqlType(attribute.getType());
  14.       try {
  15.         converters.put(attribute.getName(),
  16.             create(Util.getJavaClass(type)));
  17.       } catch (ClassNotFoundException e) {
  18.         throw new CayenneRuntimeException(
  19.             "Can't instantiate class " + type, e);
  20.       }
  21.     }
  22.   }
  23.   if (converters.isEmpty()) {
  24.     throw new IllegalArgumentException("Entity has no PK definied: "
  25.         + entity.getName());
  26.   }
  27.   this.idSize = (int) Math.ceil(converters.size() / 0.75d);
  28. }

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