Package de.intarsys.tools.expression

Interface Summary

Interface	Description
IStringEvaluator	Declares the ability to evaluate an expression or statement (for example "2+3" or "variable") defined in a string and return the result.
IStringEvaluatorAccess	An object whose string expansion strategies can be customized.
IStringEvaluatorSupport	An object that can publish its state via an IStringEvaluator.

Class Summary

Class	Description
ActivityContextAwareResolver	Forward evaluation to a ScopedResolver attached to an IActivityContext.
ArrayResolver	An IStringEvaluator that looks up a variable in an array.
CacheResolver	Cache previous evaluation results.
ConstantResolver	Resolve an expression to a constant value.
ContainerResolver	A common superclass for implementing an IStringEvaluator that can navigate along a "." separated path in an expression.
DynamicArgsResolver	An IStringEvaluator accessing the current argument values "pArgs" for resolving expressions.
EchoResolver	Resolve an expression to the expression itself This is a practical tool if you want to adapt different string resolving components to provide the same expression set.
EntityResolver	An IStringEvaluator that allows "entity coded" literals.
EnvironmentResolver	An IStringEvaluator implementation giving access to IFileEnvironment related information.
ExpressionEvaluator	A VM singleton for an expression evaluating IStringEvaluator instance.
ExpressionEvaluator.Installer
LazyExpressionEvaluator	This IStringEvaluator forwards evaluation to the current ExpressionEvaluator singleton.
LazyTemplateEvaluator	This IStringEvaluator forwards evaluation to the current TemplateEvaluator singleton.
ListResolver	An IStringEvaluator that looks up a variable in a List.
MapResolver	An IStringEvaluator that looks up a variable in a simple Map.
MapResolver.AddEntry
MessageBundleMessageResolver	An IStringEvaluator accessing messages in a bundle indirectly via Message object references.
MessageBundleStringResolver	An IStringEvaluator accessing messages in a bundle.
NLSMessageResolver	An IStringEvaluator accessing Message instances in a expression defined package The expression is mapped against a bundle name, looked up via the class loader.
NLSStringResolver	An IStringEvaluator accessing message strings in a expression defined package The expression is mapped against a bundle name, looked up via the class loader.
PreferencesResolver	An IStringEvaluator accessing preferences values.
PreferencesResolver.PreferencesResolverMain
PreferencesResolver.PreferencesResolverRoot
ProcessingDecorator	A decorating IStringEvaluator to add result processing support to an other embedded IStringEvaluator.
PropertiesResolver	Resolve names against system properties.
ReflectiveResolver	An IStringEvaluator that provides reflective access to an objects properties.
ScopedResolver	An IStringEvaluator that supports a list of other resolvers that are each asked in turn for evaluating the result.
StaticArgEntriesResolver	An IStringEvaluator resolving a complete IBinding from statically provided IArgs.
StaticArgsResolver	An IStringEvaluator resolving to a value from statically provided IArgs.
SystemResolver	An IStringEvaluator implementation giving access common system state.
TaggedStringEvaluator	An IStringEvaluator for string templates.
TaggedStringExpression	An expression syntax node "${expr}" in the template evaluation framework.
TaggedStringLiteral	A literal part in a tagged string.
TaggedStringNode	A "syntax node" in a tagged string.
TaggedStringParser	Create a "syntax tree" from a tagged string.
TaggedStringVariable	A concrete replacement value for a ${expression}
TaggedStringVariables	A collection of TaggedStringVariable instances.
TagResolver	Resolve expressions against an object's tags
TemplateEvaluator	A VM singleton for a template evaluation engine.
TemplateEvaluator.Installer
ThreadContextAwareResolver
VariableNamespaceResolver	Select variable values from a IVariableNamespace.
VariableNamespacesResolver	Select IVariableNamespace from IVariableNamespaces.

Exception Summary

Exception	Description
EvaluationException	An Exception to indicate failure while parsing or evaluating an expression.