public class IfStatement extends Statement
IfStatement:
if ( Expression ) Statement [ else Statement]
| Modifier and Type | Field and Description |
|---|---|
static ChildPropertyDescriptor |
ELSE_STATEMENT_PROPERTY
The "elseStatement" structural property of this node type (child type:
Statement). |
static ChildPropertyDescriptor |
EXPRESSION_PROPERTY
The "expression" structural property of this node type (child type:
Expression). |
static ChildPropertyDescriptor |
THEN_STATEMENT_PROPERTY
The "thenStatement" structural property of this node type (child type:
Statement). |
ANNOTATION_TYPE_DECLARATION, ANNOTATION_TYPE_MEMBER_DECLARATION, ANONYMOUS_CLASS_DECLARATION, ARRAY_ACCESS, ARRAY_CREATION, ARRAY_INITIALIZER, ARRAY_TYPE, ASSERT_STATEMENT, ASSIGNMENT, BLOCK, BLOCK_COMMENT, BOOLEAN_LITERAL, BREAK_STATEMENT, CAST_EXPRESSION, CATCH_CLAUSE, CHARACTER_LITERAL, CLASS_INSTANCE_CREATION, COMPILATION_UNIT, CONDITIONAL_EXPRESSION, CONSTRUCTOR_INVOCATION, CONTINUE_STATEMENT, CREATION_REFERENCE, DIMENSION, DO_STATEMENT, EMPTY_STATEMENT, ENHANCED_FOR_STATEMENT, ENUM_CONSTANT_DECLARATION, ENUM_DECLARATION, EXPORTS_DIRECTIVE, EXPRESSION_METHOD_REFERENCE, EXPRESSION_STATEMENT, FIELD_ACCESS, FIELD_DECLARATION, FOR_STATEMENT, IF_STATEMENT, IMPORT_DECLARATION, INFIX_EXPRESSION, INITIALIZER, INSTANCEOF_EXPRESSION, INTERSECTION_TYPE, JAVADOC, LABELED_STATEMENT, LAMBDA_EXPRESSION, LINE_COMMENT, MALFORMED, MARKER_ANNOTATION, MEMBER_REF, MEMBER_VALUE_PAIR, METHOD_DECLARATION, METHOD_INVOCATION, METHOD_REF, METHOD_REF_PARAMETER, MODIFIER, MODULE_DECLARATION, MODULE_MODIFIER, NAME_QUALIFIED_TYPE, NORMAL_ANNOTATION, NULL_LITERAL, NUMBER_LITERAL, OPENS_DIRECTIVE, ORIGINAL, PACKAGE_DECLARATION, PARAMETERIZED_TYPE, PARENTHESIZED_EXPRESSION, POSTFIX_EXPRESSION, PREFIX_EXPRESSION, PRIMITIVE_TYPE, PROTECT, PROVIDES_DIRECTIVE, QUALIFIED_NAME, QUALIFIED_TYPE, RECORD_DECLARATION, RECOVERED, REQUIRES_DIRECTIVE, RETURN_STATEMENT, SIMPLE_NAME, SIMPLE_TYPE, SINGLE_MEMBER_ANNOTATION, SINGLE_VARIABLE_DECLARATION, STRING_LITERAL, SUPER_CONSTRUCTOR_INVOCATION, SUPER_FIELD_ACCESS, SUPER_METHOD_INVOCATION, SUPER_METHOD_REFERENCE, SWITCH_CASE, SWITCH_EXPRESSION, SWITCH_STATEMENT, SYNCHRONIZED_STATEMENT, TAG_ELEMENT, TEXT_BLOCK, TEXT_ELEMENT, THIS_EXPRESSION, THROW_STATEMENT, TRY_STATEMENT, TYPE_DECLARATION, TYPE_DECLARATION_STATEMENT, TYPE_LITERAL, TYPE_METHOD_REFERENCE, TYPE_PARAMETER, UNION_TYPE, USES_DIRECTIVE, VARIABLE_DECLARATION_EXPRESSION, VARIABLE_DECLARATION_FRAGMENT, VARIABLE_DECLARATION_STATEMENT, WHILE_STATEMENT, WILDCARD_TYPE, YIELD_STATEMENT| Modifier and Type | Method and Description |
|---|---|
Statement |
getElseStatement()
Returns the "else" part of this if statement, or
null if
this if statement has no "else" part. |
Expression |
getExpression()
Returns the expression of this if statement.
|
Statement |
getThenStatement()
Returns the "then" part of this if statement.
|
static java.util.List |
propertyDescriptors(int apiLevel)
Returns a list of structural property descriptors for this node type.
|
void |
setElseStatement(Statement statement)
Sets or clears the "else" part of this if statement.
|
void |
setExpression(Expression expression)
Sets the condition of this if statement.
|
void |
setThenStatement(Statement statement)
Sets the "then" part of this if statement.
|
getLeadingComment, setLeadingCommentaccept, copySubtree, copySubtrees, delete, equals, getAST, getFlags, getLength, getLocationInParent, getNodeType, getParent, getProperty, getRoot, getStartPosition, getStructuralProperty, hashCode, nodeClassForType, properties, setFlags, setProperty, setSourceRange, setStructuralProperty, structuralPropertiesForType, subtreeBytes, subtreeMatch, toStringpublic static final ChildPropertyDescriptor EXPRESSION_PROPERTY
Expression).public static final ChildPropertyDescriptor THEN_STATEMENT_PROPERTY
Statement).public static final ChildPropertyDescriptor ELSE_STATEMENT_PROPERTY
Statement).public static java.util.List propertyDescriptors(int apiLevel)
apiLevel - the API level; one of the
AST.JLS* constantsStructuralPropertyDescriptor)public Expression getExpression()
public void setExpression(Expression expression)
expression - the expression nodejava.lang.IllegalArgumentException - if:
public Statement getThenStatement()
public void setThenStatement(Statement statement)
Special note: The Java language does not allow a local variable declaration
to appear as the "then" part of an if statement (they may only appear within a
block). However, the AST will allow a VariableDeclarationStatement
as the thenStatement of a IfStatement. To get something that will
compile, be sure to embed the VariableDeclarationStatement
inside a Block.
statement - the "then" statement nodejava.lang.IllegalArgumentException - if:
public Statement getElseStatement()
null if
this if statement has no "else" part.
Note that there is a subtle difference between having no else statement and having an empty statement ("{}") or null statement (";").
null if nonepublic void setElseStatement(Statement statement)
Note that there is a subtle difference between having no else part
(as in "if(true){}") and having an empty block (as in
"if(true){}else{}") or null statement (as in "if(true){}else;").
Special note: The Java language does not allow a local variable declaration
to appear as the "else" part of an if statement (they may only appear within a
block). However, the AST will allow a VariableDeclarationStatement
as the elseStatement of a IfStatement. To get something that will
compile, be sure to embed the VariableDeclarationStatement
inside a Block.
statement - the "else" statement node, or null if
there is nonejava.lang.IllegalArgumentException - if: