com.asakusafw.utils.java.model.util

Class ExpressionBuilder

java.lang.Object

com.asakusafw.utils.java.model.util.ExpressionBuilder

public class ExpressionBuilder
extends Object

A builder for building Java expressions.

Constructor Summary

Constructors

Constructor and Description
ExpressionBuilder(ModelFactory factory, Expression context) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
ExpressionBuilder	apply(InfixOperator operator, Expression right) Returns a binary expression which contains the building expression on the left term.
ExpressionBuilder	apply(PostfixOperator operator) Returns a postfix expression.
ExpressionBuilder	apply(UnaryOperator operator) Returns a unary expression.
ExpressionBuilder	array(Expression index) Returns an array access expression which contains the building expression as the target array.
ExpressionBuilder	array(int index) Returns an array access expression which contains the building expression as the target array.
ExpressionBuilder	array(String index) Returns an array access expression which contains the building expression as the target array.
ExpressionBuilder	assignFrom(Expression rightHandSide) Returns an assignment expression which contains the building expression on the left hand side.
ExpressionBuilder	assignFrom(InfixOperator operator, Expression rightHandSide) Returns an assignment expression which contains the building expression on the left hand side.
ExpressionBuilder	castTo(Type type) Returns a cast expression.
ExpressionBuilder	castTo(Type type) Returns a cast expression.
ExpressionBuilder	copy() Returns a copy of this builder.
ExpressionBuilder	field(SimpleName name) Returns a field access expression which take the building expression as its owner object.
ExpressionBuilder	field(String name) Returns a field access expression which take the building expression as its owner object.
ExpressionBuilder	instanceOf(Type type) Returns an instanceof expression.
ExpressionBuilder	instanceOf(Type type) Returns an instanceof expression.
ExpressionBuilder	method(List<? extends Type> typeArguments, SimpleName name, Expression... arguments) Returns the method invocation which take the building expression as its receiver object.
ExpressionBuilder	method(List<? extends Type> typeArguments, SimpleName name, List<? extends Expression> arguments) Returns the method invocation which take the building expression as its receiver object.
ExpressionBuilder	method(List<? extends Type> typeArguments, String name, Expression... arguments) Returns the method invocation which take the building expression as its receiver object.
ExpressionBuilder	method(List<? extends Type> typeArguments, String name, List<? extends Expression> arguments) Returns the method invocation which take the building expression as its receiver object.
ExpressionBuilder	method(SimpleName name, Expression... arguments) Returns the method invocation which take the building expression as its receiver object.
ExpressionBuilder	method(SimpleName name, List<? extends Expression> arguments) Returns the method invocation which take the building expression as its receiver object.
ExpressionBuilder	method(String name, Expression... arguments) Returns the method invocation which take the building expression as its receiver object.
ExpressionBuilder	method(String name, List<? extends Expression> arguments) Returns the method invocation which take the building expression as its receiver object.
ExpressionBuilder	methodReference(List<? extends Type> typeArguments, SimpleName name) Returns the method invocation using the building expression as its qualifier.
ExpressionBuilder	methodReference(List<? extends Type> typeArguments, String name) Returns the method invocation using the building expression as its qualifier.
ExpressionBuilder	methodReference(SimpleName name) Returns the method reference using the building expression as its qualifier.
ExpressionBuilder	methodReference(String name) Returns the method reference using the building expression as its qualifier.
Expression	toExpression() Returns the built expression.
LocalVariableDeclaration	toLocalVariableDeclaration(Type type, SimpleName name) Returns a local variable declaration which is initialized by the built expression.
LocalVariableDeclaration	toLocalVariableDeclaration(Type type, String name) Returns a local variable declaration which is initialized by the built expression.
ReturnStatement	toReturnStatement() Returns a return statement which passes the built expression.
ExpressionStatement	toStatement() Returns the built expression as expression statement.
ThrowStatement	toThrowStatement() Returns a throw statement which throws the built expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionBuilder

public ExpressionBuilder(ModelFactory factory,
                         Expression context)

Creates a new instance.

Parameters:

factory - the Java DOM factory

context - the context expression

Throws:

IllegalArgumentException - if the parameters are null

Method Detail

copy

public ExpressionBuilder copy()

Returns a copy of this builder.

Returns:

the copy

toExpression

public Expression toExpression()

Returns the built expression.

Returns:

the built expression

toStatement

public ExpressionStatement toStatement()

Returns the built expression as expression statement.

Returns:

the built expression as expression statement

toThrowStatement

public ThrowStatement toThrowStatement()

Returns a throw statement which throws the built expression.

Returns:

a throw statement which throws the built expression

toReturnStatement

public ReturnStatement toReturnStatement()

Returns a return statement which passes the built expression.

Returns:

a return statement which passes the built expression

toLocalVariableDeclaration

public LocalVariableDeclaration toLocalVariableDeclaration(Type type,
                                                           String name)

Returns a local variable declaration which is initialized by the built expression.

Parameters:

type - the variable type

name - the variable name

Returns:

a local variable declaration which is initialized by the built expression

Throws:

IllegalArgumentException - if the parameters are null

toLocalVariableDeclaration

public LocalVariableDeclaration toLocalVariableDeclaration(Type type,
                                                           SimpleName name)

Returns a local variable declaration which is initialized by the built expression.

Parameters:

type - the variable type

name - the variable name

Returns:

a local variable declaration which is initialized by the built expression

Throws:

IllegalArgumentException - if the parameters are null

apply

public ExpressionBuilder apply(InfixOperator operator,
                               Expression right)

Returns a binary expression which contains the building expression on the left term.

Parameters:

operator - the infix operator

right - the right term

Returns:

this

Throws:

IllegalArgumentException - if the parameters are null

apply

public ExpressionBuilder apply(UnaryOperator operator)

Returns a unary expression.

Parameters:

operator - the unary operator

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

apply

public ExpressionBuilder apply(PostfixOperator operator)

Returns a postfix expression.

Parameters:

operator - the postfix operator

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

assignFrom

public ExpressionBuilder assignFrom(Expression rightHandSide)

Returns an assignment expression which contains the building expression on the left hand side.

Parameters:

rightHandSide - the right hand side expression

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

assignFrom

public ExpressionBuilder assignFrom(InfixOperator operator,
                                    Expression rightHandSide)

Returns an assignment expression which contains the building expression on the left hand side.

Parameters:

operator - infix operator for compound assignment

rightHandSide - the right hand side expression

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

castTo

public ExpressionBuilder castTo(Type type)

Returns a cast expression.

Parameters:

type - the target type

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

castTo

public ExpressionBuilder castTo(Type type)

Returns a cast expression.

Parameters:

type - the target type

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

instanceOf

public ExpressionBuilder instanceOf(Type type)

Returns an instanceof expression.

Parameters:

type - the target type

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

instanceOf

public ExpressionBuilder instanceOf(Type type)

Returns an instanceof expression.

Parameters:

type - the target type

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

field

public ExpressionBuilder field(String name)

Returns a field access expression which take the building expression as its owner object.

Parameters:

name - the target field name

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

field

public ExpressionBuilder field(SimpleName name)

Returns a field access expression which take the building expression as its owner object.

Parameters:

name - the target field name

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

array

public ExpressionBuilder array(int index)

Returns an array access expression which contains the building expression as the target array.

Parameters:

index - the index

Returns:

this

array

public ExpressionBuilder array(String index)

Returns an array access expression which contains the building expression as the target array.

Parameters:

index - the index variable name

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

array

public ExpressionBuilder array(Expression index)

Returns an array access expression which contains the building expression as the target array.

Parameters:

index - the index expression

Returns:

this

Throws:

IllegalArgumentException - if the parameter is null

method

public ExpressionBuilder method(String name,
                                Expression... arguments)

Returns the method invocation which take the building expression as its receiver object.

Parameters:

name - the target method name

arguments - the method arguments

Returns:

this

Throws:

IllegalArgumentException - the parameters are null

method

public ExpressionBuilder method(List<? extends Type> typeArguments,
                                String name,
                                Expression... arguments)

Returns the method invocation which take the building expression as its receiver object.

Parameters:

typeArguments - the type arguments

name - the target method name

arguments - the method arguments

Returns:

this

Throws:

IllegalArgumentException - the parameters are null

method

public ExpressionBuilder method(String name,
                                List<? extends Expression> arguments)

Returns the method invocation which take the building expression as its receiver object.

Parameters:

name - the target method name

arguments - the method arguments

Returns:

this

Throws:

IllegalArgumentException - the parameters are null

method

public ExpressionBuilder method(List<? extends Type> typeArguments,
                                String name,
                                List<? extends Expression> arguments)

Returns the method invocation which take the building expression as its receiver object.

Parameters:

typeArguments - the type arguments

name - the target method name

arguments - the method arguments

Returns:

this

Throws:

IllegalArgumentException - the parameters are null

method

public ExpressionBuilder method(SimpleName name,
                                Expression... arguments)

Returns the method invocation which take the building expression as its receiver object.

Parameters:

name - the target method name

arguments - the method arguments

Returns:

this

Throws:

IllegalArgumentException - the parameters are null

method

public ExpressionBuilder method(List<? extends Type> typeArguments,
                                SimpleName name,
                                Expression... arguments)

Returns the method invocation which take the building expression as its receiver object.

Parameters:

typeArguments - the type arguments

name - the target method name

arguments - the method arguments

Returns:

this

Throws:

IllegalArgumentException - the parameters are null

method

public ExpressionBuilder method(SimpleName name,
                                List<? extends Expression> arguments)

Returns the method invocation which take the building expression as its receiver object.

Parameters:

name - the target method name

arguments - the method arguments

Returns:

this

Throws:

IllegalArgumentException - the parameters are null

method

public ExpressionBuilder method(List<? extends Type> typeArguments,
                                SimpleName name,
                                List<? extends Expression> arguments)

Returns the method invocation which take the building expression as its receiver object.

Parameters:

typeArguments - the type arguments

name - the target method name

arguments - the method arguments

Returns:

this

Throws:

IllegalArgumentException - the parameters are null

methodReference

public ExpressionBuilder methodReference(String name)

Returns the method reference using the building expression as its qualifier.

Parameters:

name - the target method name

Returns:

the chained expression builder

Throws:

IllegalArgumentException - if the parameters are null

methodReference

public ExpressionBuilder methodReference(SimpleName name)

Returns the method reference using the building expression as its qualifier.

Parameters:

name - the target method name

Returns:

the chained expression builder

Throws:

IllegalArgumentException - if the parameters are null

methodReference

public ExpressionBuilder methodReference(List<? extends Type> typeArguments,
                                         String name)

Returns the method invocation using the building expression as its qualifier.

Parameters:

typeArguments - the type arguments

name - the target method name

Returns:

the chained expression builder

Throws:

IllegalArgumentException - if the parameters are null

methodReference

public ExpressionBuilder methodReference(List<? extends Type> typeArguments,
                                         SimpleName name)

Returns the method invocation using the building expression as its qualifier.

Parameters:

typeArguments - the type arguments

name - the target method name

Returns:

the chained expression builder

Throws:

IllegalArgumentException - if the parameters are null