com.sun.codemodel.JConditional Maven / Gradle / Ivy

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Old JAXB Binding Compiler. Contains source code needed for binding customization files into java sources. In other words: the *tool* to generate java classes for the given xml representation.

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/*
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the "License").  You may not use this file except
 * in compliance with the License.
 * 
 * You can obtain a copy of the license at
 * https://jwsdp.dev.java.net/CDDLv1.0.html
 * See the License for the specific language governing
 * permissions and limitations under the License.
 * 
 * When distributing Covered Code, include this CDDL
 * HEADER in each file and include the License file at
 * https://jwsdp.dev.java.net/CDDLv1.0.html  If applicable,
 * add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your
 * own identifying information: Portions Copyright [yyyy]
 * [name of copyright owner]
 */

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 ... 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();
    }
}