Package software.amazon.smithy.rulesengine.language.syntax.expressions

Class Template

java.lang.Object

software.amazon.smithy.rulesengine.language.syntax.expressions.Template

All Implemented Interfaces:

FromSourceLocation, ToNode

public final class Template
extends Object
implements FromSourceLocation, ToNode

Template represents a "Template Literal". This is a literal string within the rules language. A template can contain 0 or more dynamic sections. The dynamic sections use getAttr short-form:

`https://{Region}.{partition#dnsSuffix}` -------- ------------ | | Dynamic getAttr short form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Template.Dynamic	A dynamic template part.
static final class	Template.Literal	A static template value part.
static interface	Template.Part	An interface for parts of a template that can be visited.

Constructor Summary

Constructors

Constructor	Description
Template(StringNode template)

Method Summary

Modifier and Type	Method	Description
<T> Stream<T>	accept(TemplateVisitor<T> visitor)
boolean	equals(Object o)
String	expectLiteral()	Returns the literal value of this template, throwing RuntimeException if the template is not static.
static Template	fromString(String s)
List<Template.Part>	getParts()
SourceLocation	getSourceLocation()	Gets the source location of a value.
int	hashCode()
boolean	isStatic()	Gets if the template is static or not.
Node	toNode()	Converts a value to a Node.
String	toString()
Type	typeCheck(Scope<Type> scope)	Evaluates this template in the provided scope.

Methods inherited from class java.lang.Object

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

Constructor Details

Template

public Template(StringNode template)

Method Details

fromString

public static Template fromString(String s)

getSourceLocation

public SourceLocation getSourceLocation()

Description copied from interface: FromSourceLocation

Gets the source location of a value.

Specified by:

getSourceLocation in interface FromSourceLocation

Returns:

Returns the source location of the value.

accept

public <T> Stream<T> accept(TemplateVisitor<T> visitor)

getParts

public List<Template.Part> getParts()

isStatic

public boolean isStatic()

Gets if the template is static or not.

Returns:

true if all template parts are literals, false otherwise.

expectLiteral

public String expectLiteral()

Returns the literal value of this template, throwing RuntimeException if the template is not static.

Returns:

returns the string literal value.

typeCheck

public Type typeCheck(Scope<Type> scope)

Evaluates this template in the provided scope.

Parameters:

scope - the scope to check this template within.

Returns:

the type of the template.

toNode

public Node toNode()

Description copied from interface: ToNode

Converts a value to a Node.

Specified by:

toNode in interface ToNode

Returns:

Returns the creates Node.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object