Package org.databene.commons

Provides (mostly JDK-related) utility classes.

See:
Description

Interface Summary

Accessor<C,V>	Models an object that queries an object of type C for an object aof type V.
CharacterIterator	Abstraction of a class that iterates over characters.
Composite<E>	Models an Object that is composed of other objects.
Condition<E>	Evaluates an argument of type E if it matches some internal condition.
Context	Abstraction of a context that provides named items which can be set and retrieved.
Converter<S,T>	Base interface for all classes that convert a source object of type S to an object of type T.
DocumentWriter<E>	Abstraction of a document writer.
Element<E>	Models an Element as defined in the Visitor Design Patterns.
Encodings	Provides names for frequently used encodings.
Escalator	Escalation strategy interface.
Expression<E>	Represents an Expression that evaluates some internal state and returns the result.
Filter<E>	Models a generic Filter of similar logic as, yet abstracting, the java.io.FileFilter.
HeavyweightIterable<E>	Iterable that creates HeavyweightIterators.
HeavyweightIterator<E>	Models a heavyweight Iterator, that means an Iterator that needs to be closed, e.g. for freeing allocated resources.
HeavyweightTypedIterable<E>	TypedIterable which is a Heavyweight.
Locales	Provides Java constants for common Locales.
Mutator	Models an object that mutates a target object of type C by specification of a value of type V.
Named	Super interface for all classes that have a 'name' property.
Operation<I,O>	Abstraction for operations on an arbitrary number of objects of type I which yield a result of type O.
Patterns	Assembles default patterns for all databene formats and Converters.
Resettable	Interface for all classes with a life cycle that can be reset.
ThreadAware	Interface by which a class can declare its level of thread support.
TreeModel<E>	Models a typed tree logic.
TypedIterable<E>	Iterable that provides the type it returns.
TypedIterator<E>	Adds type information to an Iterator.
Validator<E>	A basic validator interface.
Visitor<E>	Models a Visitor as defined in the Visitor Design Patterns.

Class Summary

ArrayBuilder<E>	Helper class for building arrays.
ArrayFormat	java.lang.text.Format implementation for formatting and parsing arrays.
ArrayUtil	Provides array-related operations.
Assert	An assertion utility.
Base64Codec	Codes/Decodes Base64 strings.
BeanUtil	Bundles reflection and introspection related operations.
CharSet	Represents a Set of characters and provides locale-dependent character sets as well as set manipulation methods.
CollectionUtil	Provides Collection-related utility methods.
ComparableComparator<E extends Comparable>	Implementation of Comparator<Comparable>.
CompositeFormatter	Formats a Composite as a String.
CustomCounter	Counts with an arbitrary radix.
DatabeneTestUtil	Provides test settings from a file ${user.home}/databene.test.properties.
ErrorHandler	Provides for error handling by logging and eventually raising an exception.
Escalation	Helper class for managing escalations.
ExceptionMapper	Wraps checked exceptions as unchecked exceptions of type ConfigurationError.
ExceptionUtil	Provides Exception related utilities.
FileUtil	File Utility class.
IOUtil	Provides stream operations.
LocaleUtil	Provides locale operations like determining the parent of a locale, finding a locale by code, providing the characters of a locale and a so-called 'fallback locale'.
LogCategories	Defines log categories common for all databene components.
LoggerEscalator	Logs escalations to a logger.
MathUtil	Provides mathematical utility methods.
NullSafeComparator<E>	Comparator Decorator that adds support for null-Value comparison.
NumberUtil	Provides convenience methods for the Java number types.
OrderedMap<K,V>	Map implementation that tracks the order in which elements where added and returns them in that order by the values() method.
OrderedSet<E>	Set implementation that tracks the order in which elements where added and returns them in that order by the iterator() method.
ParseUtil	Provides methods for parsing PushbackReaders and Strings.
Period	Defines duration constants on millisecond base.
ReaderLineIterator	Iterator implementation that returns text lines provided by a reader.
RoundedNumberFormat	Rounds large numbers to the four most significant digits.
ShellUtil	Executes shell commands and shell files.
StringCharacterIterator	Supports iterating the characters of a String.
StringUtil	Provides String related utility operations.
SystemInfo	Provides the user with the Java system properties related to the Runtime System.
SysUtil	Provides system related utility methods.
ThreadUtil	Provides utility methods for threading.
Timespan	Represents a timespan between two dates.
TimeUtil	Provides utility methods for creating and manipulating Dates and Calendars.
VMInfo	Provides the Java system properties related to the virtual machine.

Enum Summary

Level

Represents a log or failure level.

Exception Summary

ConfigurationError	Unchecked exception that indicates failure that results from inappropriate configuration.
ConnectFailedException	Indicates a failure in establishing a connection.
ConversionException	Indicates failure of a conversion operation.
ImportFailedException	Created: 06.01.2007 19:22:42
ObjectNotFoundException	Signals that an object was not found.
ParseException	Indicates a parsing error.
UpdateFailedException	Indicates that the update of some data failed.

Package org.databene.commons Description

Provides (mostly JDK-related) utility classes.