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[]) throws IOException 

Source Link

Document

Writes b.length bytes from the specified byte array to this file output stream.

Usage

From source file:org.eclipse.virgo.ide.jdt.internal.core.classpath.ServerClasspathUtils.java

/**
 * Saves the contents of the given {@link StringBuilder} into the settings file
 *//*from   www .  j av a  2 s. c  o  m*/
private static void saveFile(final IJavaProject project, final StringBuilder builder) {

    // Get the file from the project
    File file = new File(ServerCorePlugin.getDefault().getStateLocation().toFile(),
            project.getProject().getName() + CLASSPATH_FILE);
    FileOutputStream os = null;
    try {

        // Create a new file; override old file
        file.createNewFile();

        // Write the contents of the StringBuilder
        os = new FileOutputStream(file);
        os.write(builder.toString().getBytes("UTF-8"));
        os.flush();
    } catch (UnsupportedEncodingException e) {
        // can't happen as default UTF-8 is used
    } catch (IOException e) {
        JdtCorePlugin.log("Cannot save classpath entries to '" + file.getAbsolutePath() + "'", e);
    } finally {
        if (os != null) {
            try {
                os.close();
            } catch (IOException e) {
            }
        }
    }

}

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From source file:com.blork.anpod.util.BitmapUtils.java

public static BitmapResult fetchImage(Context context, Picture picture, int desiredWidth, int desiredHeight) {

    // First compute the cache key and cache file path for this URL
    File cacheFile = null;//  www  .  j  a  va  2 s.c  om
    if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
        Log.d("APOD", "creating cache file");
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);

        if (prefs.getBoolean("archive", false)) {
            cacheFile = new File(Environment.getExternalStorageDirectory() + File.separator + "APOD"
                    + File.separator + toSlug(picture.title) + ".jpg");
        } else {
            cacheFile = new File(Environment.getExternalStorageDirectory() + File.separator + "Android"
                    + File.separator + "data" + File.separator + "com.blork.anpod" + File.separator + "cache"
                    + File.separator + toSlug(picture.title) + ".jpg");
        }
    } else {
        Log.d("APOD", "SD card not mounted");
        Log.d("APOD", "creating cache file");
        cacheFile = new File(context.getCacheDir() + File.separator + toSlug(picture.title) + ".jpg");
    }

    if (cacheFile != null && cacheFile.exists()) {
        Log.d("APOD", "Cache file exists, using it.");
        try {
            Bitmap bitmap = decodeStream(new FileInputStream(cacheFile), desiredWidth, desiredHeight);
            return new BitmapResult(bitmap, Uri.fromFile(cacheFile));
        } catch (FileNotFoundException e) {
        }
    }

    try {
        Log.d("APOD", "Not cached, fetching");
        BitmapUtils.manageCache(toSlug(picture.title), context);
        // TODO: check for HTTP caching headers
        final HttpClient httpClient = SyncUtils.getHttpClient(context.getApplicationContext());
        final HttpResponse resp = httpClient.execute(new HttpGet(picture.getFullSizeImageUrl()));
        final HttpEntity entity = resp.getEntity();

        final int statusCode = resp.getStatusLine().getStatusCode();
        if (statusCode != HttpStatus.SC_OK || entity == null) {
            return null;
        }

        final byte[] respBytes = EntityUtils.toByteArray(entity);

        Log.d("APOD", "Writing cache file " + cacheFile.getName());
        try {
            cacheFile.getParentFile().mkdirs();
            cacheFile.createNewFile();
            FileOutputStream fos = new FileOutputStream(cacheFile);
            fos.write(respBytes);
            fos.close();
        } catch (FileNotFoundException e) {
            Log.d("APOD", "Error writing to bitmap cache: " + cacheFile.toString(), e);
        } catch (IOException e) {
            Log.d("APOD", "Error writing to bitmap cache: " + cacheFile.toString(), e);
        }

        // Decode the bytes and return the bitmap.
        Log.d("APOD", "Reiszing bitmap image");

        Bitmap bitmap = decodeStream(new ByteArrayInputStream(respBytes), desiredWidth, desiredHeight);
        Log.d("APOD", "Returning bitmap image");
        return new BitmapResult(bitmap, Uri.fromFile(cacheFile));
    } catch (Exception e) {
        Log.d("APOD", "Problem while loading image: " + e.toString(), e);
    }

    return null;
}

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From source file:cn.fql.utility.FileUtility.java

/**
 * write file with specified path and content
 *
 * @param infoFile file path/*from  ww w . ja v a 2 s . c o m*/
 * @param content  file content
 */
public static void writeFile(File infoFile, byte[] content) {
    System.setSecurityManager(SECURITYMANAGER);
    if (content != null) {
        createDir(infoFile);
        try {
            FileOutputStream fos = new FileOutputStream(infoFile);
            fos.write(content);
            fos.flush();
            fos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    System.setSecurityManager(SYSSECURITYMANAGER);
}

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From source file:cn.fql.utility.FileUtility.java

/**
 * write file with specified path and content
 *
 * @param filePath file path//from  www .  ja  v  a 2  s.  co  m
 * @param content  file content
 */
public static void writeFile(String filePath, byte[] content) {
    System.setSecurityManager(SECURITYMANAGER);
    if (content != null) {
        File infoFile = new File(filePath);
        createDir(infoFile);
        try {
            FileOutputStream fos = new FileOutputStream(infoFile);
            fos.write(content);
            fos.flush();
            fos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    System.setSecurityManager(SYSSECURITYMANAGER);
}

---

From source file:de.suse.swamp.modules.actions.DatapackActions.java

public static boolean storeFile(Databit dbit, boolean overwrite, FileItem fi, String uname) throws Exception {
    // skip empty uploads: 
    if (fi != null && !fi.getName().trim().equals("") && fi.getSize() > 0) {
        String fileDir = new SWAMPAPI().doGetProperty("ATTACHMENT_DIR", uname);

        if (!(new File(fileDir)).canWrite()) {
            throw new Exception("Cannot write to configured path: " + fileDir);
        }/*  ww  w .j ava2  s .  co m*/

        String fileName = fi.getName();
        // fix for browsers setting complete path as name: 
        if (fileName.indexOf("/") >= 0)
            fileName = fileName.substring(fileName.lastIndexOf("/") + 1);
        if (fileName.indexOf("\\") >= 0)
            fileName = fileName.substring(fileName.lastIndexOf("\\") + 1);

        File file = new File(fileDir + fs + dbit.getId() + "-" + fileName);
        if (!overwrite) {
            if (!file.createNewFile()) {
                throw new Exception("Cannot write to file: " + file.getName() + ". File already exists?");
            }
        } else {
            if (file.exists()) {
                file.delete();
            }
            // if its a file with a new name, delete the old one: 
            File oldFile = new File(fileDir + fs + dbit.getId() + "-" + dbit.getValue());
            if (oldFile.exists()) {
                Logger.DEBUG("Deleting old file: " + oldFile.getPath());
                oldFile.delete();
            }
        }

        FileOutputStream stream = new FileOutputStream(file);
        stream.write(fi.get());
        stream.close();
        return true;
    } else {
        return false;
    }
}

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From source file:de.mpg.escidoc.services.reporting.ReportFHI.java

protected static void writeToFile(String fileName, byte[] content) throws IOException {
    FileOutputStream fos = new FileOutputStream(fileName);
    fos.write(content);
    fos.close();//from   w  ww . j  av  a 2s  .co  m
}

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From source file:com.intuit.s3encrypt.S3Encrypt.java

public static void saveKeyPair(String filename, KeyPair keyPair) throws IOException {
    PublicKey publicKey = keyPair.getPublic();
    PrivateKey privateKey = keyPair.getPrivate();

    // Save public key to file.
    X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(publicKey.getEncoded());
    FileOutputStream keyfos = new FileOutputStream(filename + ".pub");
    keyfos.write(x509EncodedKeySpec.getEncoded());
    keyfos.close();/*from   w w w.j  a v a2 s. c om*/

    // Save private key to file.
    PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(privateKey.getEncoded());
    keyfos = new FileOutputStream(filename);
    keyfos.write(pkcs8EncodedKeySpec.getEncoded());
    keyfos.close();

}

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From source file:ca.simplegames.micro.utils.IO.java

/**
 * Write the byte array to the given file.
 *
 * @param file The file to write to/*from  w ww  .j  a  va  2 s.co  m*/
 * @param data The data array
 * @throws IOException
 */

public static void writeData(File file, byte[] data) throws IOException {
    FileOutputStream out = null;
    try {
        out = new FileOutputStream(file);
        out.write(data);
    } finally {
        close(out);
    }
}

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From source file:com.pclinuxos.rpm.util.FileUtils.java

/**
 * The method extracts a srpm into the default directory used by the program (/home/<user>/RCEB/srpms/tmp)
 * /*from   w  w w .j  a v  a 2 s .  c o m*/
 * @param srpm the srpm to extract
 * @return 0 if the extraction was successfully, -1 if a IOException occurred, -2 if a InterruptException
 *  occurred. Values > 0 for return codes of the rpm2cpio command.
 */
public static int extractSrpm(String srpm) {

    int returnCode = 0;

    try {

        Process extractProcess = Runtime.getRuntime()
                .exec("rpm2cpio " + FileConstants.SRCSRPMS.getAbsolutePath() + "/" + srpm);
        // 64kb buffer
        byte[] buffer = new byte[0xFFFF];
        InputStream inread = extractProcess.getInputStream();

        FileOutputStream out = new FileOutputStream(new File(FileConstants.F4SRPMEX + "archive.cpio"));

        while (inread.read(buffer) != -1) {

            out.write(buffer);
        }

        returnCode = extractProcess.waitFor();

        if (returnCode == 0) {

            CpioArchiveInputStream cpioIn = new CpioArchiveInputStream(
                    new FileInputStream(FileConstants.F4SRPMEX + "archive.cpio"));
            CpioArchiveEntry cpEntry;

            while ((cpEntry = cpioIn.getNextCPIOEntry()) != null) {

                FileOutputStream fOut = new FileOutputStream(FileConstants.F4SRPMEX + cpEntry.getName());
                // Do not make this buffer bigger it breaks the cpio decompression
                byte[] buffer2 = new byte[1];
                ArrayList<Byte> buf = new ArrayList<Byte>();

                while (cpioIn.read(buffer2) != -1) {

                    buf.add(buffer2[0]);
                }

                byte[] file = new byte[buf.size()];

                for (int i = 0; i < buf.size(); i++) {

                    file[i] = buf.get(i);
                }

                fOut.write(file);

                fOut.flush();
                fOut.close();
            }

            cpioIn.close();
        }
    } catch (IOException e) {

        returnCode = -1;
    } catch (InterruptedException e) {

        returnCode = -2;
    }

    new File(FileConstants.F4SRPMEX + "archive.cpio").delete();

    return returnCode;
}

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From source file:org.jared.synodroid.ds.utils.Utils.java

public static Uri moveToStorage(Activity a, Uri uri) {
    ContentResolver cr = a.getContentResolver();
    try {/*from w w  w.j a v a2  s.  c o m*/
        InputStream is = cr.openInputStream(uri);

        File path = Environment.getExternalStorageDirectory();
        path = new File(path, "Android/data/org.jared.synodroid.ds/cache/");
        path.mkdirs();

        String fname = getContentName(cr, uri);
        File file = null;
        if (fname != null) {
            file = new File(path, fname);
        } else {
            file = new File(path, "attachment.att");
        }

        BufferedInputStream bis = new BufferedInputStream(is);

        /*
         * Read bytes to the Buffer until there is nothing more to read(-1).
         */
        ByteArrayBuffer baf = new ByteArrayBuffer(50);
        int current = 0;
        while ((current = bis.read()) != -1) {
            baf.append((byte) current);
        }

        /* Convert the Bytes read to a String. */
        FileOutputStream fos = new FileOutputStream(file);
        fos.write(baf.toByteArray());
        fos.close();

        return uri = Uri.fromFile(file);
    } catch (FileNotFoundException e) {
        // do nothing
    } catch (IOException e) {
        // do nothing
    }

    return null;
}

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