/*

 * Copyright (c) 2004, 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 sun.tools.jstat;

import java.util.*;

import sun.jvmstat.monitor.MonitorException;

/**

 * A class for describing the output format specified by a command

 * line option that was parsed from an option description file.

 *

 * @author Brian Doherty

 * @since 1.5

 */

public class OptionFormat {

    protected String name;

    protected List<OptionFormat> children;

    public OptionFormat(String name) {

        this.name = name;

        this.children = new ArrayList<OptionFormat>();

    }

    public boolean equals(Object o) {

        if (o == this) {

            return true;

        }

        if (!(o instanceof OptionFormat)) {

            return false;

        }

        OptionFormat of = (OptionFormat)o;

        return (this.name.compareTo(of.name) == 0);

    }

    public int hashCode() {

      return name.hashCode();

    }

    public void addSubFormat(OptionFormat f) {

        children.add(f);

    }

    public OptionFormat getSubFormat(int index) {

        return children.get(index);

    }

    public void insertSubFormat(int index, OptionFormat f) {

        children.add(index, f);

    }

    public String getName() {

        return name;

    }

    public void apply(Closure c) throws MonitorException {

      for (Iterator i = children.iterator(); i.hasNext(); /* empty */) {

          OptionFormat o = (OptionFormat)i.next();

          c.visit(o, i.hasNext());

      }

      for (Iterator i = children.iterator(); i.hasNext(); /* empty */) {

          OptionFormat o = (OptionFormat)i.next();

          o.apply(c);

      }

    }

    public void printFormat() {

        printFormat(0);

    }

    public void printFormat(int indentLevel) {

        String indentAmount = "  ";

        StringBuilder indent = new StringBuilder("");

        for (int j = 0; j < indentLevel; j++) {

            indent.append(indentAmount);

        }

        System.out.println(indent + name + " {");

        // iterate over all children and call their printFormat() methods

        for (OptionFormat of : children) {

            of.printFormat(indentLevel+1);

        }

        System.out.println(indent + "}");

    }

}