/*

 * Copyright (c) 2014 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.

 *

 * 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 org.openjdk.bench.javax.xml;

import org.openjdk.jmh.annotations.Benchmark;

import org.openjdk.jmh.annotations.Level;

import org.openjdk.jmh.annotations.Setup;

import org.openjdk.jmh.annotations.TearDown;

import javax.xml.stream.XMLInputFactory;

import javax.xml.stream.XMLStreamConstants;

import javax.xml.stream.XMLStreamReader;

import java.io.ByteArrayInputStream;

import java.util.HashMap;

import java.util.LinkedList;

import java.util.Map;

public class STAX extends AbstractXMLMicro {

    /** Live data */

    public Map<String, LinkedList<String>> liveData;

    @Setup(Level.Iteration)

    public void setupLiveData() {

        Map<String, LinkedList<String>> map = new HashMap<>();

        // Somewhere around 100 MB live, but fragmented to start with.

        for (int i = 0; i < 1000; i++) {

            LinkedList<String> list = new LinkedList<>();

            String key = "Dummy linked list " + i;

            list.add(key);

            for (int j = 0; j < 1000; j++) {

                list.add("Dummy string " + i + "." + j);

            }

            map.put(key, list);

        }

        // thread safe, will only be one

        liveData = map;

    }

    @TearDown(Level.Iteration)

    public void teardownLiveData() {

        liveData = null;

    }

    @Benchmark

    public int testParse() throws Exception {

        int intDummy = 0;

        byte[] bytes = getFileBytesFromResource(doc);

        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);

        XMLInputFactory factory = XMLInputFactory.newInstance();

        XMLStreamReader parser = factory.createXMLStreamReader(bais);

        int acc;

        do {

            acc = parser.next();

            intDummy += acc;

        } while (acc != XMLStreamConstants.END_DOCUMENT);

        return intDummy;

    }

}