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 String readAsset(Context context, String assetPath) throws IOException {
    String asset = null;// ww w.j  a v  a 2 s . c  o m
    AssetManager am = context.getAssets();
    try {
        InputStream is = am.open(assetPath);
        int length = is.available();
        byte[] data = new byte[length];
        is.read(data);
        is.close();
        asset = new String(data, "ASCII");
    } catch (IOException e1) {
        e1.printStackTrace();
    }

    return asset;
}

From source file:Main.java

public static String inputStream2String(InputStream in) {
    StringBuffer out = new StringBuffer();
    byte[] b = new byte[4096];
    try {//from  w w  w.j a  v  a2  s.  c om
        for (int n; (n = in.read(b)) != -1;) {
            out.append(new String(b, 0, n));
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return out.toString();
}

From source file:Main.java

private static byte[] readSmallerStream(final InputStream in, final int streamlength) throws IOException {
    byte[] bytes = new byte[streamlength];
    int readed = in.read(bytes);
    int patchsize = 1;
    while (patchsize > 0 && readed != streamlength) {
        patchsize = in.read(bytes, readed, streamlength - readed);
        if (patchsize > 0) {
            readed += patchsize;//from  w ww. j  a  v  a 2 s. c o m
        }
    }
    if (readed != streamlength) {
        throw new IOException("InputStream(" + in + ", streamlength=" + streamlength + ", readedlength="
                + readed + ") read fail");
    }
    return bytes;
}

From source file:Main.java

public static void copy(InputStream in, OutputStream out) throws Exception {
    byte[] bucket = new byte[8 * 1024];
    int bytesRead = 0;
    while ((bytesRead = in.read(bucket)) != -1) {
        out.write(bucket, 0, bytesRead);
    }/*from   w  ww .jav a 2s.  c  o  m*/
}

From source file:Main.java

public static String loadJSONFromAsset(final Context context, final String fileName) throws IOException {
    String json;/* ww w. j a  v a2  s  . c o  m*/

    InputStream is = context.getAssets().open(fileName);
    int size = is.available();
    byte[] buffer = new byte[size];

    is.read(buffer);
    is.close();

    json = new String(buffer, "UTF-8");

    return json;
}

From source file:Main.java

/**
 * Performs copy of one stream into another.
 * @param is - input stream/*from w  ww  . j a  v a2s .c  o  m*/
 * @param os - output stream
 * @throws IOException
 */
public static void copyStream(InputStream is, OutputStream os) throws IOException {
    byte[] buffer = new byte[1024];
    int count = 0;

    while ((count = is.read(buffer)) != -1) {
        os.write(buffer, 0, count);
    }

    os.flush();
}

From source file:Main.java

public static void saveImage(String imageUrl, String destinationFile) throws Exception {
    URL url = new URL(imageUrl);
    InputStream is = url.openStream();
    OutputStream os = new FileOutputStream(destinationFile);

    byte[] b = new byte[2048];
    int length;/*from w ww  .j  av  a2s.c o m*/

    while ((length = is.read(b)) != -1) {
        os.write(b, 0, length);
    }

    is.close();
    os.close();
}

From source file:Main.java

private static void copyStream(InputStream input, OutputStream output) throws IOException {
    byte[] buff = new byte[4096];
    int len;//from   ww  w .j ava 2 s  .c om
    while ((len = input.read(buff)) != -1) {
        output.write(buff, 0, len);
    }
}

From source file:Main.java

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

From source file:Main.java

public static byte[] loadAsset(Context context, String asset) {
    byte[] buffer = null;
    try {// w  w w  .  ja  va 2 s  .c  om
        InputStream is = context.getAssets().open(asset);
        int size = is.available();
        buffer = new byte[size];
        is.read(buffer);
        is.close();
    } catch (IOException e) {
        Log.e(TAG, "Failed to load asset " + asset + ": " + e);
    }
    return buffer;
}