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

private static void copyStream(InputStream is, OutputStream os) throws IOException {
    byte[] buf = new byte[1024];
    int len = 0;/* w  ww .ja  va 2  s  . c om*/
    while ((len = is.read(buf)) != -1) {
        os.write(buf, 0, len);
    }

}

From source file:Main.java

public static void copyFile(InputStream in, OutputStream out) throws IOException {
    byte[] buffer = new byte[1024];
    int read;/*from   ww w  .j a v  a 2s.  c  o m*/
    while ((read = in.read(buffer)) != -1) {
        out.write(buffer, 0, read);
    }
}

From source file:Main.java

/**
 * Get file content by filename/*from  w ww  .  j a v  a2s  .c om*/
 * 
 * @param c
 * @param filename
 * @return content String
 */
public static String getFileContent(Context c, String filename) {
    try {
        InputStream fin = c.getAssets().open(filename);
        byte[] buffer = new byte[fin.available()];
        fin.read(buffer);
        fin.close();
        return new String(buffer);
    } catch (IOException e) {
        Log.e("inspector", e.getLocalizedMessage());
    }
    return "";
}

From source file:Main.java

public static void copyAndClose(InputStream in, OutputStream out) throws IOException {
    byte[] cache = new byte[4096];
    int size;/*from   ww w .  ja  v a 2 s . c o m*/
    while ((size = in.read(cache)) > 0) {
        out.write(cache, 0, size);
    }
    in.close();
    out.close();
}

From source file:Main.java

public static byte[] calculateMd5(String filePath) throws IOException {
    try {/*w  ww .  j  a va 2 s. c o  m*/
        MessageDigest digest = MessageDigest.getInstance("MD5");
        byte[] buffer = new byte[4 * 1024];
        InputStream is = new FileInputStream(new File(filePath));
        int lent;
        while ((lent = is.read(buffer)) != -1) {
            digest.update(buffer, 0, lent);
        }
        is.close();
        return digest.digest();
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("MD5 algorithm not found.");
    }
}

From source file:Main.java

private static void copyFile(InputStream in, FileOutputStream out) throws IOException {
    byte[] buffer = new byte[1024];
    int read;//from  ww  w .  ja v  a 2 s.c o  m
    while ((read = in.read(buffer)) != -1) {
        out.write(buffer, 0, read);
    }
}

From source file:Main.java

static void copy(File src, File dst) throws IOException {
    InputStream in = new FileInputStream(src);
    OutputStream out = new FileOutputStream(dst);

    byte[] buf = new byte[1024];
    int len;/*from w w w  .  jav a  2 s  . com*/
    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }
    in.close();
    out.close();
}

From source file:Main.java

public static String runCommand(String[] command, String workdirectory) {
    String result = "";
    Log.d("AppUtil.class", "#" + command);
    try {//ww w.ja va2 s.  c o m
        ProcessBuilder builder = new ProcessBuilder(command);
        // set working directory
        if (workdirectory != null) {
            builder.directory(new File(workdirectory));
        }
        builder.redirectErrorStream(true);
        Process process = builder.start();
        InputStream in = process.getInputStream();
        byte[] buffer = new byte[1024];
        while (in.read(buffer) != -1) {
            String str = new String(buffer);
            result = result + str;
        }
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return result;
}

From source file:Main.java

public static String inputStreamToString(InputStream in) throws Exception {
    StringBuffer out = new StringBuffer();
    byte[] b = new byte[4096];
    for (int n; (n = in.read(b)) != -1;) {
        out.append(new String(b, 0, n));
    }// w  ww .j  av a 2 s  .c o  m
    return out.toString();
}

From source file:Main.java

private static void copy(InputStream in, OutputStream out) throws IOException {
    byte[] b = new byte[IO_BUFFER_SIZE];
    int read;/*www .j  a  v a 2  s. co m*/
    while ((read = in.read(b)) != -1) {
        out.write(b, 0, read);
    }
}