Example usage for org.apache.commons.io FileUtils checksumCRC32

Introduction

In this page you can find the example usage for org.apache.commons.io FileUtils checksumCRC32.

Prototype

public static long checksumCRC32(File file) throws IOException 

Source Link

Document

Computes the checksum of a file using the CRC32 checksum routine.

Usage

From source file:au.com.borner.salesforce.util.FileUtilities.java

public static boolean createLocalFile(String path, AbstractSourceCode sObject) {
    String fileNameWithExtension = sObject.getFullyQualifiedFileName(sObject.getName());
    File localFile = new File(path + File.separator + fileNameWithExtension);
    double crcResult;
    try {/*from  w  w  w . j a v a 2  s .  co m*/
        FileUtils.writeStringToFile(localFile, sObject.getBody());
        crcResult = FileUtils.checksumCRC32(localFile);
    } catch (IOException e) {
        logger.error("Error creating file " + localFile.getPath());
        return false;
    }
    if (sObject.getBodyCRC() != null && !sObject.getBodyCRC().equals(crcResult)) {
        logger.error("Body CRC does not match for class " + localFile.getPath());
        localFile.delete();
        return false;
    }

    try {
        createMetadataFile(path, fileNameWithExtension, sObject);
    } catch (Exception e) {
        logger.error("Error creating metadata file " + path + File.separator + fileNameWithExtension + ".sfmd",
                e);
        localFile.delete();
        return false;
    }
    return true;
}

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From source file:com.chingo247.structureapi.SchematicData.java

public static SchematicData load(File schematic) throws IOException, DataException {
    CuboidClipboard cc = SchematicFormat.MCEDIT.load(schematic);
    long checksum = FileUtils.checksumCRC32(schematic);
    int blocks = SchematicUtil.count(cc, true);
    return new SchematicData(checksum, cc.getWidth(), cc.getHeight(), cc.getLength(), blocks);
}

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From source file:ca.uviccscu.lp.persistence.GamelistStorage.java

public static synchronized boolean checkGameChanged(Game g) throws IOException {
    l.trace("Checking if game same: " + g.gameName);
    File f = new File(g.gameAbsoluteFolderPath);
    lastFileNumber = FileUtils.listFiles(f, null, true).size();
    boolean a = (g.gameFileNumber == lastFileNumber);
    lastCRC = FileUtils.checksumCRC32(new File(g.gameAbsoluteExecPath));
    boolean b = (g.gameExecCRC32 == lastCRC);
    lastSize = FileUtils.sizeOfDirectory(f);
    boolean c = (g.gameSize == lastSize);
    l.trace("File number same: " + a + "| Exec CRC32 same: " + b + "| Size same: " + c);
    return !(a && b && c);
}

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From source file:mase.evorbc.KdTreeRepertoire.java

@Override
public void load(File repo, File coordinates) throws IOException {
    repFile = repo;//from  w ww . ja  va  2 s .co m
    repFileHash = FileUtils.checksumCRC32(repFile);
    if (coordinates != null) {
        coordsFile = coordinates;
        coordsFileHash = FileUtils.checksumCRC32(coordsFile);
    }

    List<PersistentSolution> solutions;
    try {
        solutions = SolutionPersistence.readSolutionsFromTar(repo);
    } catch (Exception ex) {
        Logger.getLogger(ArbitratorFactory.class.getName()).log(Level.SEVERE, null, ex);
        return;
    }

    Map<Integer, double[]> coords = null;
    if (coordinates != null) {
        coords = fileCoordinates(coordinates);
        if (coords.size() != solutions.size()) {
            throw new IOException("Number of solutions in repertoire does not match number of coordinates");
        }
    } else {
        coords = encodedCoordinates(solutions);
    }

    int n = coords.get(solutions.get(0).getIndex()).length;

    bounds = new Pair[n];
    for (int i = 0; i < n; i++) {
        double min = Double.POSITIVE_INFINITY;
        double max = Double.NEGATIVE_INFINITY;
        for (double[] c : coords.values()) {
            min = Math.min(min, c[i]);
            max = Math.max(max, c[i]);
        }
        bounds[i] = Pair.of(min, max);
    }

    tree = new KdTree.Euclidean<>(n);
    for (int i = 0; i < solutions.size(); i++) {
        PersistentSolution sol = solutions.get(i);
        AgentController ac = sol.getController().getAgentControllers(1)[0];
        double[] c = coords.get(sol.getIndex());
        if (c == null) {
            throw new IOException("Coordinate not found for index " + sol.getIndex());
        }
        tree.addPoint(c, ac);
    }
}

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From source file:com.chingo247.structureapi.plan.schematic.Schematic.java

public static Schematic load(File schematic) throws IOException, DataException {
    CuboidClipboard cc = SchematicFormat.MCEDIT.load(schematic);
    long checksum = FileUtils.checksumCRC32(schematic);
    int blocks = SchematicUtil.count(cc, true);
    return new Schematic(schematic, cc.getWidth(), cc.getHeight(), cc.getLength(), checksum, blocks);
}

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From source file:algorithm.QRCodeWatermarkingTest.java

@Test
public void separateFileTest() {
    try {//from   ww w  . j  a  v  a 2  s.c o m
        File carrier = TestDataProvider.PNG_FILE;
        File payload = TestDataProvider.TXT_FILE_2;
        QRCodeWatermarking algorithm = new QRCodeWatermarking();
        // Test encapsulation:
        List<File> payloadList = new ArrayList<File>();
        payloadList.add(payload);
        // separate file encapsulation:
        algorithm.setCarrierEncapsulation(false);
        File outputFile = algorithm.encapsulate(carrier, payloadList);
        assertNotNull(outputFile);

        // Test restore - separate file encapsulation:
        List<RestoredFile> restoredFiles = algorithm.restore(outputFile);
        assertEquals(1, restoredFiles.size());
        RestoredFile restoredPayload = restoredFiles.get(0);
        assertNotNull(restoredPayload);
        assertEquals(FileUtils.checksumCRC32(payload), FileUtils.checksumCRC32(restoredPayload));

        // check restoration metadata:
        assertEquals(payload.getName(), restoredPayload.getName());
        assertEquals(algorithm, restoredPayload.algorithm);
        assertTrue(restoredPayload.checksumValid);
        assertTrue(restoredPayload.wasPayload);
        assertFalse(restoredPayload.wasCarrier);
        assertFalse(restoredPayload.relatedFiles.contains(restoredPayload));
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:model.PayloadSegment.java

/**
 * A payload segment consists of: START_SEQ, restoration metadata,
 * END_HEADER_SEQ, payload bytes, END_SEQ.
 * /*from   w  ww . ja  v a 2 s.c  om*/
 * The restoration metadata is saved in a {@link Properties} class, and
 * keeps the name of carrier and payload, as well as their checksums and the
 * name of the algorithm used to encapsulate.
 * 
 * @param carrier
 * @param payload
 * @param algorithm
 */
public PayloadSegment(File carrier, File payload, AbstractAlgorithm algorithm) {
    String payloadChecksum = "";
    String carrierChecksum = "";
    try {
        this.payload = FileUtils.readFileToByteArray(payload);
        payloadChecksum += FileUtils.checksumCRC32(payload);
        carrierChecksum += FileUtils.checksumCRC32(carrier);
    } catch (IOException e) {
    }
    properties.put("carrierName", carrier.getName());
    properties.put("carrierChecksum", carrierChecksum);
    properties.put("payloadName", payload.getName());
    properties.put("payloadChecksum", payloadChecksum);
    properties.put("algorithm", algorithm.getClass().getName());
    properties.put("carrierPath", "" + carrier.getAbsolutePath());
    properties.put("payloadPath", "" + payload.getAbsolutePath());
}

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From source file:de.vibee.releaselister.control.CRCChecker.java

/**
 * Verifies an MP3 Release/*w  ww  .ja  v a2s  .  c o  m*/
 * @param release Release to verify
 */
public void checkSfv(Release release) {
    if (Thread.currentThread().isInterrupted()) {
        return;
    }
    if (!release.isReleaseComplete()) {
        release.setReleaseIsValid(false);
        return;
    }

    boolean isValid = true;
    for (AudioFileWithChecksum m : release.getAudioFiles()) {
        if (!m.getAudioFileExists()) {
            isValid = false;
        } else {
            try {
                if (m.getChecksum() == FileUtils.checksumCRC32(m.getAudioFile())) {
                    m.setAudioFileIsValid(true);
                } else {
                    m.setAudioFileIsValid(false);
                    isValid = false;
                }

            } catch (IOException ex) {
                Logger.getLogger(CRCChecker.class.getName()).log(Level.SEVERE, null, ex);
            }
        }

    }

    release.setReleaseIsValid(isValid);

}

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From source file:model.RestoredFile.java

/**
 * Pass the checksum string from the restoration metadata to validate if
 * this file was restored correctly// w ww  .  j  a v  a2 s.  com
 * 
 * @param checksum
 * @return validity of the restoration
 * @throws IOException
 */
public boolean validateChecksum(String checksum) throws IOException {
    checksumValid = checksum.equals("" + FileUtils.checksumCRC32(this));
    return checksumValid;
}

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From source file:algorithm.F5SteganographyTest.java

@Test
public void f5SteganographyAlgorithmTest() {
    try {/*  w w w. j  a  v  a2  s.co m*/
        File carrier = TestDataProvider.JPG_FILE;
        File payload = TestDataProvider.TXT_FILE;
        F5Steganography algorithm = new F5Steganography();
        // Test encapsulation:
        List<File> payloadList = new ArrayList<File>();
        payloadList.add(payload);
        File outputFile = algorithm.encapsulate(carrier, payloadList);
        assertNotNull(outputFile);
        // Test restore:
        Hashtable<String, RestoredFile> outputHash = new Hashtable<String, RestoredFile>();
        for (RestoredFile file : algorithm.restore(outputFile)) {
            outputHash.put(file.getName(), file);
        }
        assertEquals(outputHash.size(), 2);
        RestoredFile restoredCarrier = outputHash.get(carrier.getName());
        RestoredFile restoredPayload = outputHash.get(payload.getName());
        assertNotNull(restoredCarrier);
        assertNotNull(restoredPayload);
        // only original payload can be restored, not carrier
        assertEquals(FileUtils.checksumCRC32(payload), FileUtils.checksumCRC32(restoredPayload));
        assertEquals(FileUtils.checksumCRC32(outputFile), FileUtils.checksumCRC32(restoredCarrier));

        // check restoration metadata:
        assertEquals("" + carrier.getAbsolutePath(), restoredCarrier.originalFilePath);
        assertEquals("" + payload.getAbsolutePath(), restoredPayload.originalFilePath);
        assertEquals(algorithm, restoredCarrier.algorithm);
        // This can't be true for steganography algorithms:
        // assertTrue(restoredCarrier.checksumValid);
        assertTrue(restoredPayload.checksumValid);
        assertTrue(restoredCarrier.wasCarrier);
        assertFalse(restoredCarrier.wasPayload);
        assertTrue(restoredPayload.wasPayload);
        assertFalse(restoredPayload.wasCarrier);
        assertTrue(restoredCarrier.relatedFiles.contains(restoredPayload));
        assertFalse(restoredCarrier.relatedFiles.contains(restoredCarrier));
        assertTrue(restoredPayload.relatedFiles.contains(restoredCarrier));
        assertFalse(restoredPayload.relatedFiles.contains(restoredPayload));
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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