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:com.shadwelldacunha.byteswipe.core.Utilities.java

public static void copyResource(String resource, String destination) throws IOException {
    ClassLoader classLoader = Utilities.class.getClassLoader();
    InputStream resStreamIn = classLoader.getResourceAsStream(resource);
    File resDestFile = new File(destination);
    OutputStream resStreamOut = new FileOutputStream(resDestFile);
    int readBytes;
    byte[] buffer = new byte[1024];
    while ((readBytes = resStreamIn.read(buffer)) > 0) {
        resStreamOut.write(buffer, 0, readBytes);
    }/*from w  w  w .j a  v a 2 s . com*/
    resStreamIn.close();
    resStreamOut.close();
}

From source file:Main.java

public static void copy(InputStream stream, String path) throws IOException {

    final File file = new File(path);
    if (file.exists()) {
        file.delete();//from   ww w .j a v a2  s  . c  om
    }
    final File parentFile = file.getParentFile();

    if (!parentFile.exists()) {
        //noinspection ResultOfMethodCallIgnored
        parentFile.mkdir();
    }

    if (file.exists()) {
        return;
    }
    OutputStream myOutput = new FileOutputStream(path, true);

    byte[] buffer = new byte[1024];
    int length;
    while ((length = stream.read(buffer)) >= 0) {
        myOutput.write(buffer, 0, length);
    }

    //Close the streams
    myOutput.flush();
    myOutput.close();
    stream.close();

}

From source file:Main.java

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

    if (src.isDirectory()) {

        //if directory not exists, create it
        if (!dest.exists()) {
            dest.mkdir();/* w w  w.  j  a v  a2s .c  o  m*/
            System.out.println("Directory copied from " + src + "  to " + dest);
        }

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

        for (int c = 0; c < files.length; c++) {
            //construct the src and dest file structure
            File srcFile = new File(src, files[c]);
            File destFile = new File(dest, files[c]);
            //recursive copy
            copy(srcFile, destFile);
        }

    } else {
        //if file, then copy it
        //Use bytes stream to support all file types
        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();
        System.out.println("File copied from " + src + " to " + dest);
    }
}

From source file:cn.im47.cloud.storage.utilities.RangingResourceHttpRequestHandler.java

public static void copyStream(InputStream in, OutputStream out) throws IOException {
    byte[] buf = new byte[1000];
    int l = 1;/*from  ww w  .j a  va2s.c  o m*/
    while (l > 0) {
        l = in.read(buf);
        if (l > 0) {
            out.write(buf, 0, l);
        }
    }
}

From source file:com.inmobi.conduit.distcp.tools.util.TestThrottledInputStream.java

private static void copyBytes(InputStream in, OutputStream out, int buffSize) throws IOException {

    byte buf[] = new byte[buffSize];
    int bytesRead = in.read(buf);
    while (bytesRead >= 0) {
        out.write(buf, 0, bytesRead);
        bytesRead = in.read(buf);//  ww  w. j a  v a 2  s  .c  om
    }
}

From source file:edu.isi.karma.util.FileUtil.java

public static void copyFiles(File destination, File source) throws FileNotFoundException, IOException {
    if (!destination.exists()) {
        destination.createNewFile();/*from   w w  w .jav  a  2 s  .c o m*/
    }
    InputStream in = new FileInputStream(source);
    OutputStream out = new FileOutputStream(destination);

    byte[] buf = new byte[1024];
    int len;

    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }
    in.close();
    out.close();
    logger.debug("Done copying contents of " + source.getName() + " to " + destination.getName());
}

From source file:gridool.db.partitioning.phihash.csv.distmm.InMemoryIndexHelper.java

/**
 * Synchronization is required./*from w w  w .  j a v  a2  s  .c om*/
 */
public static void writeToFile(final InputStream in) throws IOException {
    final byte[] recordBuf = new byte[2048]; // big buffer enough for a record
    final Map<String, OutputStream> outputMap = new HashMap<String, OutputStream>(12);
    while (in.available() > 0) {
        String fkIdxName = IOUtils.readString(in);
        int bucket = IOUtils.readInt(in);
        int recordlen = IOUtils.readInt(in);
        IOUtils.readFully(in, recordBuf, 0, recordlen);

        OutputStream out = prepareFkOutputStream(fkIdxName, bucket, outputMap);
        out.write(recordBuf, 0, recordlen);
    }
    for (OutputStream out : outputMap.values()) {
        out.flush();
        out.close();
    }
}

From source file:it.geosolutions.geofence.gui.server.utility.IoUtility.java

/**
 * Save compressed stream.//  ww  w. ja  v  a  2  s  . com
 *
 * @param buffer
 *            the buffer
 * @param out
 *            the out
 * @param len
 *            the len
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public static void saveCompressedStream(final byte[] buffer, final OutputStream out, final int len)
        throws IOException {
    try {
        out.write(buffer, 0, len);

    } catch (Exception e) {
        out.flush();
        out.close();

        IOException ioe = new IOException("Not valid archive file type.");
        ioe.initCause(e);
        throw ioe;
    }
}

From source file:Main.java

/**
 * Compresses a GZIP file./*from w  ww  . jav a  2 s. co m*/
 * 
 * @param bytes
 *            The uncompressed bytes.
 * @return The compressed bytes.
 * @throws IOException
 *             if an I/O error occurs.
 */
public static byte[] gzip(byte[] bytes) throws IOException {
    /* create the streams */
    InputStream is = new ByteArrayInputStream(bytes);
    try {
        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        OutputStream os = new GZIPOutputStream(bout);
        try {
            /* copy data between the streams */
            byte[] buf = new byte[4096];
            int len = 0;
            while ((len = is.read(buf, 0, buf.length)) != -1) {
                os.write(buf, 0, len);
            }
        } finally {
            os.close();
        }

        /* return the compressed bytes */
        return bout.toByteArray();
    } finally {
        is.close();
    }
}

From source file:de.dakror.scpuller.SCPuller.java

public static void copyInputStream(InputStream is, OutputStream out) throws Exception {
    byte[] buffer = new byte[2048];
    int len = is.read(buffer);
    while (len != -1) {
        out.write(buffer, 0, len);
        len = is.read(buffer);//from   w  w  w.j a va  2s. c o m
    }
    is.close();
    out.close();
}