Example usage for java.io RandomAccessFile write

Introduction

In this page you can find the example usage for java.io RandomAccessFile write.

Prototype

public void write(byte b[]) throws IOException 

Source Link

Document

Writes b.length bytes from the specified byte array to this file, starting at the current file pointer.

Usage

From source file:eu.trentorise.smartcampus.feedback.test.TestFeedbackManagers.java

private void writeTestFile(byte[] data) throws IOException {
    RandomAccessFile f = new RandomAccessFile("src/test/resources/android_copy.jpg", "rw");
    f.write(data);
    f.close();/* w w w  . j a  va  2 s  .c o  m*/
}

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From source file:org.jcodec.movtool.Undo.java

private void undo(String fineName) throws IOException {
    List<Atom> versions = list(fineName);
    if (versions.size() < 2) {
        System.err.println("Nowhere to rollback.");
        return;//from w  w w. j a  va2 s .  c  o m
    }
    RandomAccessFile raf = null;
    try {
        raf = new RandomAccessFile(new File(fineName), "rw");
        raf.seek(versions.get(versions.size() - 2).getOffset() + 4);
        raf.write(new byte[] { 'm', 'o', 'o', 'v' });
        raf.seek(versions.get(versions.size() - 1).getOffset() + 4);
        raf.write(new byte[] { 'f', 'r', 'e', 'e' });
    } finally {
        raf.close();
    }
}

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From source file:com.github.nlloyd.hornofmongo.MongoScope.java

public static Object fuzzFile(Context cx, Scriptable thisObj, Object[] args, Function funObj) {
    if (args.length != 2)
        Context.throwAsScriptRuntimeEx(new MongoScriptException("fuzzFile takes 2 arguments"));
    File fileToFuzz;//from  w  w  w . ja va2s .c  om
    try {
        fileToFuzz = resolveFilePath((MongoScope) thisObj, Context.toString(args[0])).getCanonicalFile();
    } catch (IOException e) {
        Context.throwAsScriptRuntimeEx(new MongoScriptException(e));
        return null;
    }
    RandomAccessFile fuzzFile = null;
    try {
        fuzzFile = new RandomAccessFile(fileToFuzz, "rw");
        long fuzzPosition = Double.valueOf(Context.toNumber(args[1])).longValue();
        fuzzFile.seek(fuzzPosition);
        int byteToFuzz = fuzzFile.readByte();
        byteToFuzz = ~byteToFuzz;
        fuzzFile.seek(fuzzPosition);
        fuzzFile.write(byteToFuzz);
        fuzzFile.close();
    } catch (FileNotFoundException e) {
        Context.throwAsScriptRuntimeEx(e);
    } catch (IOException e) {
        Context.throwAsScriptRuntimeEx(e);
    } finally {
        if (fuzzFile != null) {
            try {
                fuzzFile.close();
            } catch (IOException e) {
            }
        }
    }

    return Undefined.instance;
}

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From source file:org.ofbiz.product.imagemanagement.ImageManagementServices.java

public static Map<String, Object> createContentThumbnail(DispatchContext dctx,
        Map<String, ? extends Object> context, GenericValue userLogin, ByteBuffer imageData, String productId,
        String imageName) {/*from   w w w . j  a  va 2 s .c  o  m*/
    Map<String, Object> result = FastMap.newInstance();
    LocalDispatcher dispatcher = dctx.getDispatcher();
    Delegator delegator = dctx.getDelegator();
    Locale locale = (Locale) context.get("locale");
    //FIXME can be removed ?
    // String imageFilenameFormat = UtilProperties.getPropertyValue("catalog", "image.filename.format");
    String imageServerPath = FlexibleStringExpander
            .expandString(UtilProperties.getPropertyValue("catalog", "image.management.path"), context);
    String nameOfThumb = FlexibleStringExpander.expandString(
            UtilProperties.getPropertyValue("catalog", "image.management.nameofthumbnail"), context);

    // Create content for thumbnail
    Map<String, Object> contentThumb = FastMap.newInstance();
    contentThumb.put("contentTypeId", "DOCUMENT");
    contentThumb.put("userLogin", userLogin);
    Map<String, Object> contentThumbResult = FastMap.newInstance();
    try {
        contentThumbResult = dispatcher.runSync("createContent", contentThumb);
    } catch (GenericServiceException e) {
        Debug.logError(e, module);
        return ServiceUtil.returnError(e.getMessage());
    }

    String contentIdThumb = (String) contentThumbResult.get("contentId");
    result.put("contentIdThumb", contentIdThumb);

    /*// File to use for image thumbnail
    FlexibleStringExpander filenameExpanderThumb = FlexibleStringExpander.getInstance(imageFilenameFormat);
    String fileLocationThumb = filenameExpanderThumb.expandString(UtilMisc.toMap("location", "products", "type", "small", "id", contentIdThumb));
    String filenameToUseThumb = fileLocationThumb;
    if (fileLocationThumb.lastIndexOf("/") != -1) {
    filenameToUseThumb = fileLocationThumb.substring(fileLocationThumb.lastIndexOf("/") + 1);
    }
            
    String fileContentType = (String) context.get("_uploadedFile_contentType");
    if (fileContentType.equals("image/pjpeg")) {
    fileContentType = "image/jpeg";
    } else if (fileContentType.equals("image/x-png")) {
    fileContentType = "image/png";
    }
            
    List<GenericValue> fileExtensionThumb = FastList.newInstance();
    try {
    fileExtensionThumb = delegator.findByAnd("FileExtension", UtilMisc.toMap("mimeTypeId", fileContentType));
    } catch (GenericEntityException e) {
    Debug.logError(e, module);
    return ServiceUtil.returnError(e.getMessage());
    }
            
    GenericValue extensionThumb = EntityUtil.getFirst(fileExtensionThumb);
    if (extensionThumb != null) {
    filenameToUseThumb += "." + extensionThumb.getString("fileExtensionId");
    }*/
    //String uploadFileName = (String) context.get("_uploadedFile_fileName");
    String filenameToUseThumb = imageName.substring(0, imageName.indexOf(".")) + nameOfThumb;
    String fileContentType = (String) context.get("_uploadedFile_contentType");
    if (fileContentType.equals("image/pjpeg")) {
        fileContentType = "image/jpeg";
    } else if (fileContentType.equals("image/x-png")) {
        fileContentType = "image/png";
    }

    List<GenericValue> fileExtensionThumb = FastList.newInstance();
    try {
        fileExtensionThumb = delegator.findByAnd("FileExtension",
                UtilMisc.toMap("mimeTypeId", fileContentType));
    } catch (GenericEntityException e) {
        Debug.logError(e, module);
        return ServiceUtil.returnError(e.getMessage());
    }

    GenericValue extensionThumb = EntityUtil.getFirst(fileExtensionThumb);
    if (extensionThumb != null) {

        filenameToUseThumb += "." + extensionThumb.getString("fileExtensionId");
    }
    result.put("filenameToUseThumb", filenameToUseThumb);
    // Create image file thumbnail to folder product id.
    File fileOriginalThumb = new File(imageServerPath + "/" + productId + "/" + filenameToUseThumb);
    try {
        RandomAccessFile outFileThumb = new RandomAccessFile(fileOriginalThumb, "rw");
        outFileThumb.write(imageData.array());
        outFileThumb.close();
    } catch (FileNotFoundException e) {
        Debug.logError(e, module);
        return ServiceUtil.returnError(UtilProperties.getMessage(resource, "ProductImageViewUnableWriteFile",
                UtilMisc.toMap("fileName", fileOriginalThumb.getAbsolutePath()), locale));
    } catch (IOException e) {
        Debug.logError(e, module);
        return ServiceUtil
                .returnError(UtilProperties.getMessage(resource, "ProductImageViewUnableWriteBinaryData",
                        UtilMisc.toMap("fileName", fileOriginalThumb.getAbsolutePath()), locale));
    }

    Map<String, Object> resultResizeThumb = FastMap.newInstance();
    try {
        resultResizeThumb.putAll(ImageManagementServices.scaleImageMangementInAllSize(context,
                filenameToUseThumb, "thumbnail", productId));
    } catch (IOException e) {
        String errMsg = "Scale additional image in all different sizes is impossible : " + e.toString();
        Debug.logError(e, errMsg, module);
        return ServiceUtil.returnError(errMsg);
    } catch (JDOMException e) {
        String errMsg = "Errors occur in parsing ImageProperties.xml : " + e.toString();
        Debug.logError(e, errMsg, module);
        return ServiceUtil.returnError(errMsg);
    }
    return result;
}

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From source file:jazsync.UploadTests.java

/**
 * Sets the fields of an Upload object and tests whether the {@link Upload#getInputStream()}
 * returns the upload data in the expected format.
 * //from ww  w .  j  a  v  a 2s  .c o  m
 * @throws IOException
 */
@Test
public void testGetInputStream() throws IOException {

    Upload um = new Upload();

    um.setVersion("testVersion");
    um.setBlocksize(1024);
    um.setFilelength(32768);
    um.setSha1("sha1checksum");

    File testFile = File.createTempFile("Upload", "Test");
    RandomAccessFile randAccess = new RandomAccessFile(testFile, "rw");
    String inString = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXABCDEYZXXXXX";
    randAccess.write(inString.getBytes("US-ASCII"));

    ByteRangeWriter dataRanges = new ByteRangeWriter(16384);
    dataRanges.add(new Range(45, 50), randAccess);
    dataRanges.add(new Range(51, 52), randAccess);
    um.setDataStream(dataRanges.getInputStream());

    RelocWriter relocRanges = new RelocWriter(16384);
    relocRanges.add(new RelocateRange(new Range(2, 6), 123));
    relocRanges.add(new RelocateRange(new Range(8, 98), 987));
    um.setRelocStream(relocRanges.getInputStream());

    InputStream uploadIn = um.getInputStream();
    String actString = IOUtils.toString(uploadIn, Upload.CHARSET);
    String expString = version + filelength + blocksize + sha1 + relocString + rangeString;

    uploadIn.close();
    randAccess.close();

    System.out.println(actString);
    Assert.assertEquals(expString, actString);

}

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From source file:com.example.android.vault.EncryptedDocumentTest.java

public void testBitTwiddle() throws Exception {
    final EncryptedDocument doc = new EncryptedDocument(4, mFile, mDataKey, mMacKey);

    // write some metadata
    final JSONObject before = new JSONObject();
    before.put("twiddle", "twiddle");
    doc.writeMetadataAndContent(before, null);

    final RandomAccessFile f = new RandomAccessFile(mFile, "rw");
    f.seek(f.length() - 4);/*from  w w  w  . j  av a2 s  . c om*/
    f.write(0x00);
    f.close();

    try {
        doc.readMetadata();
        fail("somehow passed hmac");
    } catch (DigestException expected) {
    }
}

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From source file:savant.util.CachedSeekableStream.java

private void initCache() throws IOException {

    cacheFile = RemoteFileCache.getCacheFile(uri.toURL(), getSource(), bufferSize, length());

    // Calculate number of blocks in file
    numBlocks = (int) Math.ceil(length() / (double) bufferSize);

    // Create the cacheFile with an empty index section.
    RandomAccessFile raf = new RandomAccessFile(cacheFile, "rw");
    for (int i = 0; i < numBlocks; i++) {
        //write 0x0000
        raf.write(0);
        raf.write(0);//from   www.  j  a v a2s.  com
        raf.write(0);
        raf.write(0);
    }
    raf.close();
}

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From source file:jm.web.Archivo.java

public String getArchivo(String path, int clave) {
    this._archivoNombre = "";
    try {//w  ww  . ja v a2  s  .  co  m
        ResultSet res = this.consulta("select * from tbl_archivo where id_archivo=" + clave + ";");
        if (res.next()) {
            this._archivoNombre = (res.getString("nombre") != null) ? res.getString("nombre") : "";
            try {
                this._archivo = new File(path, this._archivoNombre);
                if (!this._archivo.exists()) {
                    byte[] bytes = (res.getString("archivo") != null) ? res.getBytes("archivo") : null;
                    RandomAccessFile archivo = new RandomAccessFile(path + this._archivoNombre, "rw");
                    archivo.write(bytes);
                    archivo.close();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            res.close();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return this._archivoNombre;
}

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From source file:uk.bl.wa.util.CachedSeekableStream.java

private void initCache() throws IOException {

    cacheFile = File.createTempFile("temp", ".tmp");

    // Calculate number of blocks in file
    numBlocks = (int) Math.ceil(length() / (double) bufferSize);

    // Create the cacheFile with an empty index section.
    RandomAccessFile raf = new RandomAccessFile(cacheFile, "rw");
    for (int i = 0; i < numBlocks; i++) {
        //write 0x0000
        raf.write(0);
        raf.write(0);//from w ww.j a va  2  s .  c o  m
        raf.write(0);
        raf.write(0);
    }
    raf.close();
}

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From source file:jm.web.Archivo.java

public String getArchivo(String path, String tabla, String clave, String campoNombre, String campoBytea) {
    this._archivoNombre = "";
    try {/*from   w  w  w.  j  a  va 2 s .c o  m*/
        ResultSet res = this.consulta(
                "select * from " + tabla + " where " + tabla.replace("tbl_", "id_") + "=" + clave + ";");
        if (res.next()) {
            this._archivoNombre = res.getString(campoNombre) != null ? res.getString(campoNombre) : "";
            if (this._archivoNombre.compareTo("") != 0) {
                try {
                    this._archivo = new File(path, this._archivoNombre);
                    if (!this._archivo.exists()) {
                        byte[] bytes = (res.getString(campoBytea) != null) ? res.getBytes(campoBytea) : null;
                        RandomAccessFile archivo = new RandomAccessFile(path + this._archivoNombre, "rw");
                        archivo.write(bytes);
                        archivo.close();
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            res.close();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return this._archivoNombre;
}

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