public class Builder extends java.lang.Object implements TreeBuilder
Modifier and Type | Class and Description |
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static class |
Builder.Feature
Feature enumeration type.
|
Constructor and Description |
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Builder() |
Builder(Builder.Feature... features) |
Modifier and Type | Method and Description |
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Tree |
build(java.lang.String expression)
Parse expression.
|
boolean |
equals(java.lang.Object obj) |
int |
hashCode() |
boolean |
isEnabled(Builder.Feature feature) |
static void |
main(java.lang.String[] args)
Dump out abstract syntax tree for a given expression
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protected java.lang.Number |
parseFloat(java.lang.String string)
Parse a floating point literal.
|
protected java.lang.Number |
parseInteger(java.lang.String string)
Parse an integer literal.
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public Builder()
public Builder(Builder.Feature... features)
protected java.lang.Number parseInteger(java.lang.String string) throws java.lang.NumberFormatException
string
- string to parseLong.valueOf(string)
java.lang.NumberFormatException
protected java.lang.Number parseFloat(java.lang.String string) throws java.lang.NumberFormatException
string
- string to parseDouble.valueOf(string)
java.lang.NumberFormatException
public boolean isEnabled(Builder.Feature feature)
true
iff the specified feature is supported.public Tree build(java.lang.String expression) throws ELException
build
in interface TreeBuilder
expression
- expression stringELException
- on parse errorpublic boolean equals(java.lang.Object obj)
equals
in class java.lang.Object
public int hashCode()
hashCode
in class java.lang.Object
public static void main(java.lang.String[] args)
args
- array with one element, containing the expression string