Example usage for java.io FileOutputStream write

Introduction

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

Prototype

public void write(byte b[], int off, int len) throws IOException 

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this file output stream.

Usage

From source file:eu.optimis.ecoefficiencytool.core.tools.ConfigManager.java

private static void createDefaultConfigFile(File fileObject) throws Exception {
    log.info(/*from  ww w  .ja v  a 2s .  c  om*/
            "ECO: File " + fileObject.getAbsolutePath() + " didn't exist. Creating one with default values...");

    //Create parent directories.
    log.info("ECO: Creating parent directories.");
    new File(fileObject.getParent()).mkdirs();

    //Create an empty file to copy the contents of the default file.
    log.info("ECO: Creating empty file.");
    new File(fileObject.getAbsolutePath()).createNewFile();

    //Copy file.
    log.info("ECO: Copying file " + fileObject.getName());
    InputStream streamIn = ConfigManager.class.getResourceAsStream("/" + fileObject.getName());
    FileOutputStream streamOut = new FileOutputStream(fileObject.getAbsolutePath());
    byte[] buf = new byte[8192];
    while (true) {
        int length = streamIn.read(buf);
        if (length < 0) {
            break;
        }
        streamOut.write(buf, 0, length);
    }

    //Close streams after copying.
    try {
        streamIn.close();
    } catch (IOException ignore) {
        log.error("ECO: Couldn't close input stream");
    }
    try {
        streamOut.close();
    } catch (IOException ignore) {
        log.error("ECO: Couldn't close file output stream");
    }
}

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From source file:eu.optimis.mi.aggregator.util.ConfigManager.java

private static void createDefaultConfigFile(File fileObject) throws IOException {
    log.debug("File " + fileObject.getAbsolutePath() + " didn't exist. Creating one with default values...");

    //Create parent directories.
    log.debug("Creating parent directories.");
    new File(fileObject.getParent()).mkdirs();

    //Create an empty file to copy the contents of the default file.
    log.debug("Creating empty file.");
    new File(fileObject.getAbsolutePath()).createNewFile();

    //Copy file.//from  w ww  .ja  v  a 2  s. com
    log.debug("Copying file " + fileObject.getName() + "into path: " + fileObject.getAbsolutePath());
    InputStream streamIn = ConfigManager.class.getResourceAsStream("/" + fileObject.getName());
    FileOutputStream streamOut = new FileOutputStream(fileObject.getAbsolutePath());
    byte[] buf = new byte[8192];
    while (true) {
        int length = streamIn.read(buf);
        if (length < 0) {
            break;
        }
        streamOut.write(buf, 0, length);
    }

    //Close streams after copying.
    try {
        streamIn.close();
    } catch (IOException ex) {
        log.error("Couldn't close input stream");
        log.error(ex.getMessage());
        throw new IOException();
    }
    try {
        streamOut.close();
    } catch (IOException ex) {
        log.error("Couldn't close file output stream");
        log.error(ex.getMessage());
        throw new IOException();
    }
}

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From source file:Main.java

static public String downloadFile(String downloadUrl, String fileName, String dir) throws IOException {
    URL url = new URL(downloadUrl);
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    urlConnection.setRequestMethod("GET");
    urlConnection.setDoOutput(true);//w  w w  . j a  va  2s  . c om
    urlConnection.connect();
    int code = urlConnection.getResponseCode();
    if (code > 300 || code == -1) {
        throw new IOException("Cannot read url: " + downloadUrl);
    }
    String filePath = prepareFilePath(fileName, dir);
    String tmpFilePath = prepareTmpFilePath(fileName, dir);
    FileOutputStream fileOutput = new FileOutputStream(tmpFilePath);
    BufferedInputStream inputStream = new BufferedInputStream(urlConnection.getInputStream());
    byte[] buffer = new byte[1024];
    int bufferLength;
    while ((bufferLength = inputStream.read(buffer)) > 0) {
        fileOutput.write(buffer, 0, bufferLength);
    }
    fileOutput.close();
    // move tmp to destination
    copyFile(new File(tmpFilePath), new File(filePath));
    return filePath;
}

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From source file:Main.java

public static boolean copyFile(Context context, String assetPath, String sdcardPath) {
    InputStream is = null;/* w w w  . j  a va2 s .c o m*/
    FileOutputStream fs = null;

    boolean result = false;
    try {
        int byteread = 0;
        is = context.getAssets().open(assetPath);
        fs = new FileOutputStream(sdcardPath);
        byte[] buffer = new byte[1024];
        while ((byteread = is.read(buffer)) != -1) {
            fs.write(buffer, 0, byteread);
        }

        result = true;
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (is != null)
                is.close();
            if (fs != null)
                fs.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    return result;
}

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From source file:Main.java

public static void gunzip(File inFile, File outFile) {
    System.out.println("Expanding " + inFile.getAbsolutePath() + " to " + outFile.getAbsolutePath());

    FileOutputStream out = null;
    GZIPInputStream zIn = null;/*from w w w  .  j  a v a 2s . c om*/
    FileInputStream fis = null;
    try {
        out = new FileOutputStream(outFile);
        fis = new FileInputStream(inFile);
        zIn = new GZIPInputStream(fis);
        byte[] buffer = new byte[8 * 1024];
        int count = 0;
        do {
            out.write(buffer, 0, count);
            count = zIn.read(buffer, 0, buffer.length);
        } while (count != -1);
    } catch (IOException ioe) {
        ioe.printStackTrace();
    }
}

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From source file:Main.java

public static void copyRAWFile(InputStream inStream, FileOutputStream outStream) {
    try {/*from  ww w  .j a v a2 s.c  o m*/
        int bytesum = 0, byteread = 0;

        byte[] buffer = new byte[102400]; //100k buffer
        while ((byteread = inStream.read(buffer)) != -1) {
            bytesum += byteread;
            System.out.println(bytesum);
            outStream.write(buffer, 0, byteread);
        }
        inStream.close();
        outStream.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:eu.optimis.infrastructureproviderriskassessmenttool.core.configration.ConfigManager.java

private static void createDefaultConfigFile(File fileObject) throws Exception {
    log.info("IPRA: File " + fileObject.getAbsolutePath()
            + " didn't exist. Creating one with default values...");

    //Create parent directories.
    log.info("IPRA: Creating parent directories.");
    new File(fileObject.getParent()).mkdirs();

    //Create an empty file to copy the contents of the default file.
    log.info("IPRA: Creating empty file.");
    new File(fileObject.getAbsolutePath()).createNewFile();

    //Copy file./*from  w w w.  j  a  va2s .  c  o m*/
    log.info("IPRA: Copying file " + fileObject.getName());
    InputStream streamIn = ConfigManager.class.getResourceAsStream("/" + fileObject.getName());
    FileOutputStream streamOut = new FileOutputStream(fileObject.getAbsolutePath());
    byte[] buf = new byte[8192];
    while (true) {
        int length = streamIn.read(buf);
        if (length < 0) {
            break;
        }
        streamOut.write(buf, 0, length);
    }

    //Close streams after copying.
    try {
        streamIn.close();
    } catch (IOException ignore) {
        log.error("IPRA: Couldn't close input stream");
    }
    try {
        streamOut.close();
    } catch (IOException ignore) {
        log.error("IPRA: Couldn't close file output stream");
    }
}

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From source file:eu.optimis.serviceproviderriskassessmenttool.core.configration.ConfigManager.java

private static void createDefaultConfigFile(File fileObject) throws Exception {
    log.info("SPRA: File " + fileObject.getAbsolutePath()
            + " didn't exist. Creating one with default values...");

    //Create parent directories.
    log.info("SPRA: Creating parent directories.");
    new File(fileObject.getParent()).mkdirs();

    //Create an empty file to copy the contents of the default file.
    log.info("SPRA: Creating empty file.");
    new File(fileObject.getAbsolutePath()).createNewFile();

    //Copy file./*from  w  w w. java 2 s  . co m*/
    log.info("SPRA: Copying file " + fileObject.getName());
    InputStream streamIn = ConfigManager.class.getResourceAsStream("/" + fileObject.getName());
    FileOutputStream streamOut = new FileOutputStream(fileObject.getAbsolutePath());
    byte[] buf = new byte[8192];
    while (true) {
        int length = streamIn.read(buf);
        if (length < 0) {
            break;
        }
        streamOut.write(buf, 0, length);
    }

    //Close streams after copying.
    try {
        streamIn.close();
    } catch (IOException ignore) {
        log.error("SPRA: Couldn't close input stream");
    }
    try {
        streamOut.close();
    } catch (IOException ignore) {
        log.error("SPRA: Couldn't close file output stream");
    }
}

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From source file:Main.java

public static boolean copyFile(File src, File dest) {
    if (!src.exists())
        return false;

    FileInputStream fis = null;//from ww  w .  j  a  v  a2s . co m
    FileOutputStream fos = null;
    try {
        fis = new FileInputStream(src);
        fos = new FileOutputStream(dest);

        byte[] buffer = new byte[2048];
        int bytesread = 0;
        while ((bytesread = fis.read(buffer)) != -1) {
            if (bytesread > 0)
                fos.write(buffer, 0, bytesread);
        }

        return true;

    } catch (FileNotFoundException e) {
        return false;
    } catch (IOException e) {
        return false;
    } finally {
        if (fis != null) {
            try {
                fis.close();
            } catch (Exception e2) {
            }
        }

        if (fos != null) {
            try {
                fos.close();
            } catch (Exception e2) {
            }
        }
    }
}

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From source file:eu.optimis.ip.gui.client.resources.ConfigManager.java

private static void createDefaultConfigFile(File fileObject) throws Exception {
    log.debug("File " + fileObject.getAbsolutePath() + " didn't exist. Creating one with default values...");

    //Create parent directories.
    log.debug("Creating parent directories.");
    new File(fileObject.getParent()).mkdirs();

    //Create an empty file to copy the contents of the default file.
    log.debug("Creating empty file.");
    new File(fileObject.getAbsolutePath()).createNewFile();

    //Copy file./*from   ww  w .j  a  v  a2  s  .c o m*/
    log.debug("Copying file " + fileObject.getName());
    InputStream streamIn = ConfigManager.class.getResourceAsStream("/" + fileObject.getName());
    FileOutputStream streamOut = new FileOutputStream(fileObject.getAbsolutePath());
    byte[] buf = new byte[8192];
    while (true) {
        int length = streamIn.read(buf);
        if (length < 0) {
            break;
        }
        streamOut.write(buf, 0, length);
    }

    //Close streams after copying.
    try {
        streamIn.close();
    } catch (IOException ex) {
        log.error("Couldn't close input stream");
        log.error(ex.getMessage());
    }
    try {
        streamOut.close();
    } catch (IOException ex) {
        log.error("Couldn't close file output stream");
        log.error(ex.getMessage());
    }
}

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