Java example source code file (JForEach.java)

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Java - Java tags/keywords

jblock, jexpression, jforeach, jstatement, jtype, jvar, string

The JForEach.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;

/**
 * ForEach Statement
 * This will generate the code for statement based on the new
 * j2se 1.5 j.l.s.
 *
 * @author Bhakti
 */
public final class JForEach implements JStatement {

        private final JType type;
        private final String var;
        private JBlock body = null; // lazily created
        private final JExpression collection;
    private final JVar loopVar;

        public JForEach(JType vartype, String variable, JExpression collection) {

                this.type = vartype;
                this.var = variable;
                this.collection = collection;
        loopVar = new JVar(JMods.forVar(JMod.NONE), type, var, collection);
    }


    /**
     * Returns a reference to the loop variable.
     */
        public JVar var() {
                return loopVar;
        }

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

        public void state(JFormatter f) {
                f.p("for (");
                f.g(type).id(var).p(": ").g(collection);
                f.p(')');
                if (body != null)
                        f.g(body).nl();
                else
                        f.p(';').nl();
        }

}