com.sun.codemodel.JConditional Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.codemodel;
/**
* If statement, with optional else clause
*/
public class JConditional implements JStatement {
/**
* JExpression to test to determine branching
*/
private JExpression test = null;
/**
* JBlock of statements for "then" clause
*/
private JBlock _then = new JBlock();
/**
* JBlock of statements for optional "else" clause
*/
private JBlock _else = null;
/**
* Constructor
*
* @param test
* JExpression which will determine branching
*/
JConditional(JExpression test) {
this.test = test;
}
/**
* Return the block to be excuted by the "then" branch
*
* @return Then block
*/
public JBlock _then() {
return _then;
}
/**
* Create a block to be executed by "else" branch
*
* @return Newly generated else block
*/
public JBlock _else() {
if (_else == null) _else = new JBlock();
return _else;
}
/**
* Creates {@code ... else if(...) ...} code.
*/
public JConditional _elseif(JExpression boolExp) {
return _else()._if(boolExp);
}
public void state(JFormatter f) {
if(test==JExpr.TRUE) {
_then.generateBody(f);
return;
}
if(test==JExpr.FALSE) {
_else.generateBody(f);
return;
}
if (JOp.hasTopOp(test)) {
f.p("if ").g(test);
} else {
f.p("if (").g(test).p(')');
}
f.g(_then);
if (_else != null)
f.p("else").g(_else);
f.nl();
}
}