/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.codemodel.internal;
/**
* 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 <tt>... else if(...) ...</tt> 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();
}
}