Example usage for java.io InputStream read

Introduction

In this page you can find the example usage for java.io InputStream read.

Prototype

public int read(byte b[]) throws IOException

Source Link

Document

Reads some number of bytes from the input stream and stores them into the buffer array b.

Usage

From source file:Main.java

public static byte[] inputStream2ByteArray(InputStream in) throws Exception {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    byte[] buf = new byte[BYTE_ARRAY_LENTH];
    int len = -1;
    while ((len = in.read(buf)) != -1) {
        bos.write(buf, 0, len);/*from www  .  j  av  a  2s. c o m*/
    }

    return bos.toByteArray();
}

From source file:Main.java

public static long copy(InputStream from, OutputStream to) throws IOException {
    byte[] buf = new byte[4096];
    long total = 0L;

    while (true) {
        int r = from.read(buf);
        if (r == -1) {
            return total;
        }/*from w w w  . j  a v a2s.  c  om*/

        to.write(buf, 0, r);
        total += (long) r;
    }
}

From source file:Main.java

static public void copyDataBase() throws IOException {

    OutputStream databaseOutputStream = new FileOutputStream("/mnt/sdcard/jwdroid.db");
    InputStream databaseInputStream = new FileInputStream("/data/data/com.jwdroid/databases/jwdroid");

    byte[] buffer = new byte[1];
    int length;//from  w w  w  .  j  av a2 s . c  o m
    while ((length = databaseInputStream.read(buffer)) > 0) {
        databaseOutputStream.write(buffer);
        Log.w("Bytes: ", ((Integer) length).toString());
        Log.w("value", buffer.toString());
    }

    databaseOutputStream.flush();
    databaseOutputStream.close();
    databaseInputStream.close();
}

From source file:Main.java

public static void readAsFile(InputStream inSream, File file) throws Exception {
    FileOutputStream outStream = new FileOutputStream(file);
    byte[] buffer = new byte[1024];
    int len = -1;
    while ((len = inSream.read(buffer)) != -1) {
        outStream.write(buffer, 0, len);
    }/*  w  w w  . j a v  a2s.c  om*/
    outStream.close();
    inSream.close();
}

From source file:Main.java

public static void copyInputStreamToFile(InputStream in, File file) {
    try {/*from  w w w.j  av  a  2 s .  com*/
        OutputStream out = new FileOutputStream(file);
        byte[] buf = new byte[1024];
        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        out.close();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static byte[] readStream(InputStream inStream) throws Exception {
    ByteArrayOutputStream outstream = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int len = -1;
    while ((len = inStream.read(buffer)) != -1) {
        outstream.write(buffer, 0, len);
    }/*from ww  w .j  av  a2s .co m*/
    outstream.close();
    inStream.close();

    return outstream.toByteArray();
}

From source file:fr.logfiletoes.Main.java

/**
 * Convert InputStream to String/*from w  ww .  j a  v  a2  s .  co m*/
 * @param is InputStream read to convert to String
 * @return String from InputStream
 * @throws IOException 
 */
public static String inputSteamToString(InputStream is) throws IOException {
    byte[] buffer = new byte[1024];
    StringBuilder sb = new StringBuilder();
    while (is.available() > 0) {
        is.read(buffer);
        sb.append(new String(buffer));
    }
    return sb.toString();
}

From source file:com.cnten.platform.util.FileUtil.java

public static void writeStream(InputStream is, OutputStream os) throws Exception {
    byte[] buff = new byte[1024];
    int readCount = 0;
    readCount = is.read(buff);
    while (readCount != -1) {
        os.write(buff, 0, readCount);//  www .  ja v a  2 s .c  o  m
        readCount = is.read(buff);
    }
}

From source file:Main.java

/**
 * Get text file from assets//from ww w .j  a  va2  s  .  c  om
 *
 * @param context
 * @param fileName
 * @return
 */
public static String getTextFromAssets(Context context, String fileName) {
    String result = null;
    try {
        InputStream in = getFileFromAssets(context, fileName);
        int length = in.available();
        byte[] buffer = new byte[length];
        in.read(buffer);
        result = new String(buffer, Charset.forName(ENCODING));
    } catch (IOException e) {
        e.printStackTrace();
    }
    return result;
}

From source file:Main.java

private static void copyFile(File source, File destination) throws IOException {
    InputStream in = new FileInputStream(source);
    OutputStream out = new FileOutputStream(destination);

    byte[] buffer = new byte[1024];
    int length;/*from  w w w .  j a  v a  2  s.c o m*/
    while ((length = in.read(buffer)) > 0) {
        out.write(buffer, 0, length);
    }
    out.flush();
    out.close();
    in.close();
}