org.apache.openjpa.lib.util

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Java Source Code / Java Documentation  » Database ORM » openjpa » org.apache.openjpa.lib.util 
org.apache.openjpa.lib.util

General Utilities

Java Source File NameTypeComment
Base16Encoder.javaClass Base 16 encoder.
BytecodeWriter.javaInterface Control how enhanced bytecode is written.
Bytes.javaClass This class came from the Apache Commons Id sandbox project in support of the UUIDGenerator implementation.
Closeable.javaInterface Generic interface for components that can be closed so that helpers can treate them in a generic way.
CodeFormat.javaClass Encapsulates some common Java source code formatting options.
ConcreteClassGenerator.javaClass Dynamically generates concrete implementations of abstract classes.
EventManager.javaInterface Basic event manager interface.
Files.javaClass Utility operations on files.
FormatPreservingProperties.javaClass A specialization of Properties that stores its contents in the same order and with the same formatting as was used to read the contents from an input stream.
J2DoPrivHelper.javaClass Helper class to obtain the Privilege(Exception)Action object to perform Java 2 doPrivilege security sensitive function call in the following methods:
  • AccessibleObject.setAccessible
  • Class.forName
  • Class.getClassLoader
  • Class.getDeclaredField
  • Class.getDeclaredFields
  • Class.getDeclaredMethod
  • Class.getDeclaredMethods
  • Class.getResource
  • Class.newInstance
  • ClassLoader.getParent
  • ClassLoader.getResource
  • ClassLoader.getResources
  • ClassLoader.getSystemClassLoader
  • File.deleteOnExit
  • File.delete
  • File.exists
  • File.getAbsoluteFile
  • File.getAbsolutePath
  • File.getCanonicalPath
  • File.listFiles
  • File.length
  • File.isDirectory
  • File.mkdirs
  • File.renameTo
  • File.toURL
  • FileInputStream new
  • FileOutputStream new
  • System.getProperties
  • InetAddress.getByName
  • MultiClassLoader new
  • ServerSocket new
  • Socket new
  • Socket.accept
  • System.getProperty
  • Thread.getContextClassLoader
  • Thread.setContextClassLoader
  • Thread new
  • TemporaryClassLoader new
  • URL.openStream
  • URLConnection.getContent
  • ZipFile new
  • serp.bytecode.Code new
  • serp.bytecode.BCClassLoader new
  • serp.bytecode.BCClass.write
  • serp.bytecode.BCClass.getFields
  • serp.bytecode.FieldInstruction.getField
  • serp.bytecode.Project.loadClass
  • AnnotatedElement.getAnnotations
  • AnnotatedElement.getDeclaredAnnotations
  • AnnotatedElement.isAnnotationPresent
  • javax.validation.Validator.validate
  • javax.validation.Validation.buildDefaultValidatorFactory
If these methods are used, the following sample usage patterns should be followed to ensure proper privilege is granted: 
 1) No security risk method call.
JavaVersions.javaClass Utilities for dealing with different Java spec versions.
Localizer.javaClass The Localizer provides convenient access to localized strings.
LRUMap.javaClass Extension of the commons LRUMap that can change its maximum size.
MultiClassLoader.javaClass Class loader type that can be configured to delegate to multiple internal class loaders.
Options.javaClass A specialization of the Properties map type with the added abilities to read application options from the command line and to use bean patterns to set an object's properties via command-line the stored mappings. A typical use pattern for this class is to construct a new instance in the main method, then call Options.setFromCmdLine with the given args.
ParameterTemplate.javaClass A template that allows parameter substitutions.
ParseException.javaClass Exception type for parse errors.
ReferenceHashMap.javaClass Map in which the key, value, or both may be weak/soft references.
ReferenceHashSet.javaClass A set whose values may be stored as weak or soft references.
ReferenceMap.javaInterface A Map type that can hold its keys, values, or both with weak or soft references.
Reflectable.javaAnnotation Annotates a getter method or field so Reflection reflection utility to control whether the annotated member is recorded during scanning for bean-style method or field.
ResourceBundleProvider.javaInterface A simple mechanism for looking up ResourceBundle instances across different potential sources.
Services.javaClass Utility classes to locate services, as defined in the Jar File Specification.
SimpleRegex.javaClass Allows for simple regex style testing of strings.
SimpleResourceBundleProvider.javaClassResourceBundleProvider that uses Java's built-in resource bundle lookup methods.
SizedMap.javaInterface A Map type that maintains a maximum size, automatically removing entries when the maximum is exceeded.
StreamResourceBundleProvider.javaClassResourceBundleProvider that uses the ClassLoader.getResourceAsStream method to load resources.
StringDistance.javaClass Utilities for calculating string distance.
TemporaryClassLoader.javaClass ClassLoader implementation that allows classes to be temporarily loaded and then thrown away.
TestAbstractEventManager.javaClass Tests the AbstractConcurrentEventManager .
TestLocalizer.javaClass Tests the Localizer.
TestMultiClassLoader.javaClass Tests the MultiClassLoader .
TestOptions.javaClass Tests the Options type.
TestParameterTemplate.javaClass Tests the ParameterTemplate utility class.
TestPropertiesParser.javaClass
TestReferenceSet.javaClass Tests the ReferenceHashSet .
TestSimpleRegex.javaClass Tests simple regex for use in in-memory query execution.
TestTemporaryClassLoader.javaClass
TestTypedProperties.javaClass Tests the TypedProperties type.
TestUUIDGenerator.javaClass Test UUID generation.
TimestampHelper.javaClass Helper base class attempts to return java.sql.Timestamp object with nanosecond precision.
TypedProperties.javaClass A specialization of the Properties map type with added convenience methods to retrieve and set options as primitive values.
UUIDGenerator.javaClass UUID value generator.
ZipResourceBundleProvider.javaClassResourceBundleProvider that expects the ClassLoader.getResourceAsStream method to return a zipped input stream.
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