/*

 * 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

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 */

package com.sun.codemodel.internal;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

/**

 * Switch statement

 */

public final class JSwitch implements JStatement {

    /**

     * Test part of switch statement.

     */

    private JExpression test;

    /**

     * vector of JCases.

     */

    private List<JCase> cases = new ArrayList<JCase>();

    /**

     * a single default case

     */

    private JCase defaultCase = null;

    /**

     * Construct a While statment

     */

    JSwitch(JExpression test) {

        this.test = test;

    }

    public JExpression test() { return test; }

    public Iterator<JCase> cases() { return cases.iterator(); }

    public JCase _case( JExpression label ) {

        JCase c = new JCase( label );

        cases.add(c);

        return c;

    }

    public JCase _default() {

        // what if (default != null) ???

        // default cases statements don't have a label

        defaultCase = new JCase(null, true);

        return defaultCase;

    }

    public void state(JFormatter f) {

        if (JOp.hasTopOp(test)) {

            f.p("switch ").g(test).p(" {").nl();

        } else {

            f.p("switch (").g(test).p(')').p(" {").nl();

        }

        for( JCase c : cases )

            f.s(c);

        if( defaultCase != null )

            f.s( defaultCase );

        f.p('}').nl();

    }

}