org.camunda.bpm.engine.impl.juel
Class Builder

java.lang.Object
  org.camunda.bpm.engine.impl.juel.Builder

All Implemented Interfaces:

Serializable, TreeBuilder

public class Builder
extends Object
implements TreeBuilder

Tree builder.

Author:

Christoph Beck

See Also:

Serialized Form

Nested Class Summary

static class

Builder.Feature Feature enumeration type.

Field Summary

protected EnumSet<Builder.Feature>

features

Constructor Summary

Builder()

Builder(Builder.Feature... features)

Method Summary

Tree	build(String expression) Parse expression.
protected Parser	createParser(String expression)
boolean	equals(Object obj)
int	hashCode()
boolean	isEnabled(Builder.Feature feature)
static void	main(String[] args) Dump out abstract syntax tree for a given expression

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

features

protected final EnumSet<Builder.Feature> features

Constructor Detail

Builder

public Builder()

Builder

public Builder(Builder.Feature... features)

Method Detail

isEnabled

public boolean isEnabled(Builder.Feature feature)

Returns:

true iff the specified feature is supported.

build

public Tree build(String expression)
           throws TreeBuilderException

Parse expression.

Specified by:

build in interface TreeBuilder

Parameters:

expression - expression string

Returns:

tree corresponding to the given expression

Throws:

TreeBuilderException

createParser

protected Parser createParser(String expression)

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

main

public static void main(String[] args)

Dump out abstract syntax tree for a given expression

Parameters:

args - array with one element, containing the expression string