software.amazon.smithy.jmespath

Class JmespathExpression

java.lang.Object

software.amazon.smithy.jmespath.JmespathExpression

Direct Known Subclasses:

BinaryExpression, CurrentExpression, ExpressionTypeExpression, FieldExpression, FlattenExpression, FunctionExpression, IndexExpression, LiteralExpression, MultiSelectHashExpression, MultiSelectListExpression, NotExpression, SliceExpression

public abstract class JmespathExpression
extends java.lang.Object

Represents a JMESPath AST node.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JmespathExpression(int line, int column)

Method Summary

Modifier and Type	Method and Description
abstract <T> T	accept(ExpressionVisitor<T> visitor) Visits a node using a double-dispatch visitor.
int	getColumn() Get the approximate column where the node was defined.
int	getLine() Get the approximate line where the node was defined.
LinterResult	lint() Lint the expression using static analysis using "any" as the current node.
LinterResult	lint(LiteralExpression currentNode) Lint the expression using static analysis.
static JmespathExpression	parse(java.lang.String text) Parse a JMESPath expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

JmespathExpression

protected JmespathExpression(int line,
                             int column)

Method Detail

parse

public static JmespathExpression parse(java.lang.String text)

Parse a JMESPath expression.

Parameters:

text - Expression to parse.

Returns:

Returns the parsed expression.

Throws:

JmespathException - if the expression is invalid.

getLine

public final int getLine()

Get the approximate line where the node was defined.

Returns:

Returns the line.

getColumn

public final int getColumn()

Get the approximate column where the node was defined.

Returns:

Returns the column.

accept

public abstract <T> T accept(ExpressionVisitor<T> visitor)

Visits a node using a double-dispatch visitor.

Type Parameters:

T - Type of value the visitor returns.

Parameters:

visitor - Visitor to accept on the node.

Returns:

Returns the result of applying the visitor.

lint

public LinterResult lint()

Lint the expression using static analysis using "any" as the current node.

Returns:

Returns the linter result.

lint

public LinterResult lint(LiteralExpression currentNode)

Lint the expression using static analysis.

Parameters:

currentNode - The value to set as the current node.

Returns:

Returns the problems that were detected.