Example usage for java.io OutputStream write

Introduction

In this page you can find the example usage for java.io OutputStream 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 output stream.

Usage

From source file:Main.java

public static void copyFolder(File src, File dest) throws IOException {

    if (src.isDirectory()) {

        //if directory not exists, create it
        if (!dest.exists()) {
            dest.mkdir();/*  www  .ja  v  a  2 s  . c om*/
        }

        //list all the directory contents
        String files[] = src.list();

        for (String file : files) {
            //construct the src and dest file structure
            File srcFile = new File(src, file);
            File destFile = new File(dest, file);
            //recursive copy
            copyFolder(srcFile, destFile);
        }

    } else {
        InputStream in = new FileInputStream(src);
        OutputStream out = new FileOutputStream(dest);

        byte[] buffer = new byte[1024];

        int length;
        //copy the file content in bytes
        while ((length = in.read(buffer)) > 0) {
            out.write(buffer, 0, length);
        }

        in.close();
        out.close();
    }
}

From source file:com.amazonaws.encryptionsdk.internal.TestIOUtils.java

public static void copyInStreamToOutStream(final InputStream inStream, final OutputStream outStream,
        final int readLen) throws IOException {
    final byte[] readBuffer = new byte[readLen];
    int actualRead = 0;
    while (actualRead >= 0) {
        outStream.write(readBuffer, 0, actualRead);
        actualRead = inStream.read(readBuffer);
    }//ww  w. j  a v a 2  s  .com
    inStream.close();
    outStream.close();
}

From source file:Main.java

static File makeTempJar(File moduleFile) throws IOException {
    String prefix = moduleFile.getName();
    if (prefix.endsWith(".jar") || prefix.endsWith(".JAR")) { // NOI18N
        prefix = prefix.substring(0, prefix.length() - 4);
    }//from  ww  w. j a  va 2s.  c om
    if (prefix.length() < 3)
        prefix += '.';
    if (prefix.length() < 3)
        prefix += '.';
    if (prefix.length() < 3)
        prefix += '.';
    String suffix = "-test.jar"; // NOI18N
    File physicalModuleFile = File.createTempFile(prefix, suffix);
    physicalModuleFile.deleteOnExit();
    InputStream is = new FileInputStream(moduleFile);
    try {
        OutputStream os = new FileOutputStream(physicalModuleFile);
        try {
            byte[] buf = new byte[4096];
            int i;
            while ((i = is.read(buf)) != -1) {
                os.write(buf, 0, i);
            }
        } finally {
            os.close();
        }
    } finally {
        is.close();
    }
    return physicalModuleFile;
}

From source file:StreamUtils.java

/**
 * Copies all bytes from an InputStream to an OutputStream. The buffer size
 * is set to 8000 bytes./*from ww w .j ava 2  s  .c o  m*/
 * 
 * @param _isInput
 *            InputStream from wihch the bytes are to copied.
 * @param _osOutput
 *            OutputStream in which the bytes are copied.
 * @return Number of bytes which are copied.
 * @throws IOException
 *             If the Streams are unavailable.
 */
public static long streamCopy(InputStream in, OutputStream out) throws IOException {
    byte[] buffer = new byte[BUFFERSIZE];
    int read;
    long copied = 0;

    while ((read = in.read(buffer)) > 0) {
        out.write(buffer, 0, read);
        copied += read;
    }

    return copied;
}

From source file:cz.ceskaexpedice.k5.k5jaas.basic.K5LoginModule.java

public static void copyStreams(InputStream is, OutputStream os) throws IOException {
    byte[] buffer = new byte[8192];
    int read = -1;
    while ((read = is.read(buffer)) > 0) {
        os.write(buffer, 0, read);
    }//from  ww w  .  j  av  a2 s.  c  om
}

From source file:com.aurel.track.exchange.UploadHelper.java

/**
 * Upload the file in a person and type specific directory
 * @return/*from  w  w w  .j  a va 2 s .  c  om*/
 */
public static String upload(File uploadFile, String uploadFileFileName, String targetPath, Locale locale,
        String successResult) {
    InputStream inputStream;
    try {
        inputStream = new FileInputStream(uploadFile);
    } catch (FileNotFoundException e) {
        LOGGER.error("Getting the input stream for the  uploaded file failed with " + e.getMessage());
        LOGGER.debug(ExceptionUtils.getStackTrace(e));
        JSONUtility.encodeJSON(ServletActionContext.getResponse(), JSONUtility.encodeJSONFailure(LocalizeUtil
                .getLocalizedTextFromApplicationResources("admin.actions.importTp.err.failed", locale)));
        return null;
    }
    UploadHelper.ensureDir(targetPath);
    File targetFile = new File(targetPath, uploadFileFileName);
    if (targetFile.exists()) {
        //if the file exists (as a result of a previous import) then delete it
        targetFile.delete();
    }
    try {
        OutputStream outputStream = new FileOutputStream(targetFile);
        byte[] buf = new byte[1024];
        int len;
        while ((len = inputStream.read(buf)) > 0) {
            outputStream.write(buf, 0, len);
        }
        inputStream.close();
        outputStream.close();
    } catch (Exception e) {
        LOGGER.error("Saving the file " + uploadFileFileName + " to the temporary directory " + targetPath
                + " failed with " + e.getMessage());
        LOGGER.debug(ExceptionUtils.getStackTrace(e));
        JSONUtility.encodeJSON(ServletActionContext.getResponse(), JSONUtility.encodeJSONFailure(LocalizeUtil
                .getLocalizedTextFromApplicationResources("admin.actions.importTp.err.failed", locale)));
        return null;
    }
    return successResult;
}

From source file:javarestart.Utils.java

static void copy(InputStream in, OutputStream out, int length) throws IOException {
    int nRead;// w  ww  . j ava2  s  . com
    byte[] data = new byte[16384];

    while ((nRead = in.read(data, 0, Math.min(length, data.length))) != -1) {
        out.write(data, 0, nRead);
        length -= nRead;
        if (length == 0) {
            return;
        }
    }
}

From source file:com.ns.cm.ProvisionServlet.java

public static void copyStream(InputStream is, OutputStream os) throws IOException {
    byte[] buf = new byte[4096];
    try {//from   ww w  .  ja va  2  s . co m
        int n = 0;
        while (is != null && (n = is.read(buf)) > 0)
            os.write(buf, 0, n);
    } finally {
        try {
            if (is != null)
                is.close();
        } catch (IOException e) {
        }
        try {
            if (os != null)
                os.close();
        } catch (IOException e) {
        }
    }
}

From source file:Main.java

public static void copyRawFile(Context ctx, String rawFileName, String to) {
    String[] names = rawFileName.split("\\.");
    String toFile = to + "/" + names[0] + "." + names[1];
    File file = new File(toFile);
    if (file.exists()) {
        return;// w w w  . j  a  v  a  2s .  co  m
    }
    try {
        InputStream is = getStream(ctx, "raw://" + names[0]);
        OutputStream os = new FileOutputStream(toFile);
        int byteCount = 0;
        byte[] bytes = new byte[1024];

        while ((byteCount = is.read(bytes)) != -1) {
            os.write(bytes, 0, byteCount);
        }
        os.close();
        is.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:cn.isif.util_plus.http.client.multipart.HttpMultipart.java

private static void writeBytes(final ByteArrayBuffer b, final OutputStream out) throws IOException {
    out.write(b.buffer(), 0, b.length());
    out.flush();/*  www .j  a  v a 2  s .  com*/
}