/*
 * Copyright (c) 2005, 2006, 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();
	}

}
