Java example source code file (JDoLoop.java)

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Java - Java tags/keywords

jblock, jdoloop, jexpression, jstatement

The JDoLoop.java Java example source code

/*
 * 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;


/**
 * Do loops
 */

public class JDoLoop implements JStatement {

    /**
     * Test part of Do statement for determining exit state
     */
    private JExpression test;

    /**
     * JBlock of statements which makes up body of this Do statement
     */
    private JBlock body = null;

    /**
     * Construct a Do statment
     */
    JDoLoop(JExpression test) {
        this.test = test;
    }

    public JBlock body() {
        if (body == null) body = new JBlock();
        return body;
    }

    public void state(JFormatter f) {
        f.p("do");
        if (body != null)
            f.g(body);
        else
            f.p("{ }");

        if (JOp.hasTopOp(test)) {
            f.p("while ").g(test);
        } else {
            f.p("while (").g(test).p(')');
        }
        f.p(';').nl();
    }

}