TestFilesystemMemoryLeak.java

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 * Copyright (c) 2023-2024, The Electrostatic-Sandbox Distributed Simulation Framework, jSnapLoader
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package electrostatic4j.snaploader.examples;

import electrostatic4j.snaploader.filesystem.FileExtractionListener;
import electrostatic4j.snaploader.filesystem.FileExtractor;
import electrostatic4j.snaploader.filesystem.FileLocator;
import electrostatic4j.snaploader.platform.util.DefaultPropertiesProvider;
import electrostatic4j.snaploader.util.SnapLoaderLogger;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.zip.ZipFile;

/**
 * Testing impacts of memory leaks, test this using jconsole.
 *
 * @author pavl_g
 */
public class TestFilesystemMemoryLeak {
    public static void main(String[] args) throws Exception {
        /* Locates the image inside the Zip Compression */
        SnapLoaderLogger.setLoggingEnabled(true);
        final FileLocator fileLocator = new FileLocator(new ZipFile(getZipAbsolutePath()), getFilePath());
        /* Extracts the image filesystem from the Zip Compression */
        final FileExtractor fileExtractor = new FileExtractor(fileLocator, getExtractionPath());
        fileLocator.initialize(0);
        fileExtractor.initialize(0);
        /* CLOSE/CLEAR I/O Resources */
        fileExtractor.setExtractionListener(new FileExtractionListener() {
            @Override
            public void onExtractionCompleted(FileExtractor fileExtractor) {

            }

            @Override
            public void onExtractionFailure(FileExtractor fileExtractor, Throwable throwable) {

            }

            @Override
            public void onExtractionFinalization(FileExtractor fileExtractor, FileLocator fileLocator) {
                Logger.getLogger(TestZipExtractor.class.getName())
                        .log(Level.INFO, "Resources Leak!");
            }
        });
        fileExtractor.extract();
    }

    protected static String getZipAbsolutePath() {
        return TestBasicFeatures.getLibrariesAbsolutePath().getPath() +
                DefaultPropertiesProvider.FILE_SEPARATOR.getSystemProperty() + "jmelogo700.zip";
    }

    protected static String getExtractionPath() {
        return TestBasicFeatures.getLibrariesAbsolutePath().getPath() +
                DefaultPropertiesProvider.FILE_SEPARATOR.getSystemProperty() + getFilePath();
    }

    protected static String getFilePath() {
        return "jmelogo700.png";
    }
}