/*

 * 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

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 */

package sun.tools.jstat;

import java.util.*;

import sun.jvmstat.monitor.*;

/**

 * A class for formatting raw counter output.

 *

 * @author Brian Doherty

 * @since 1.5

 */

public class RawOutputFormatter implements OutputFormatter {

    private List<Monitor> logged;

    private String header;

    private boolean printStrings;

    public RawOutputFormatter(List<Monitor> logged, boolean printStrings) {

        this.logged = logged;

        this.printStrings = printStrings;

    }

    public String getHeader() throws MonitorException {

        if (header == null) {

            // build the header string and prune out any unwanted monitors

            StringBuilder headerBuilder = new StringBuilder();

            for (Iterator<Monitor> i = logged.iterator(); i.hasNext(); /* empty */ ) {

                Monitor m = i.next();

                headerBuilder.append(m.getName()).append(' ');

            }

            header = headerBuilder.toString();

        }

        return header;

    }

    public String getRow() throws MonitorException {

        StringBuilder row = new StringBuilder();

        int count = 0;

        for (Iterator<Monitor> i = logged.iterator(); i.hasNext(); /* empty */ ) {

            Monitor m = i.next();

            if (count++ > 0) {

                row.append(" ");

            }

            if (printStrings && m instanceof StringMonitor) {

                row.append("\"").append(m.getValue()).append("\"");

            } else {

                row.append(m.getValue());

            }

        }

        return row.toString();

    }

}