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 copyFile2(InputStream in, OutputStream out) throws IOException {
    byte[] buffer = new byte[1024];
    int read;/*from w w  w .  j av a  2s  . c  o m*/
    while ((read = in.read(buffer)) != -1) {
        out.write(buffer, 0, read);
    }
}

From source file:Main.java

public static long copyLarge(InputStream input, OutputStream output) throws IOException {
    byte[] buffer = new byte[1024 * 4];
    long count = 0;
    int n = 0;//from  ww  w . j  ava  2  s .  co  m
    while (-1 != (n = input.read(buffer))) {
        output.write(buffer, 0, n);
        count += n;
    }
    return count;
}

From source file:Main.java

/**
 * Copies all of the bytes from {@code in} to {@code out}. Neither stream is closed.
 * Returns the total number of bytes transferred.
 *///from  www  . j a va2 s  .  c o m
public static int copy(InputStream in, OutputStream out) throws IOException {
    int total = 0;
    byte[] buffer = new byte[8192];
    int c;
    while ((c = in.read(buffer)) != -1) {
        total += c;
        out.write(buffer, 0, c);
    }
    return total;
}

From source file:Main.java

private static int copy(InputStream input, OutputStream output) throws IOException {
    byte[] buffer = new byte[1024 * 4];
    int count = 0;
    int n = 0;/*ww w. ja  v a 2s . com*/
    while (-1 != (n = input.read(buffer))) {
        output.write(buffer, 0, n);
        count += n;
    }
    return count;
}

From source file:Main.java

public static boolean isImage(Blob blob) throws Exception {
    InputStream in = null;
    byte[] bytes = new byte[8];
    try {//from w  w w.ja va  2  s.c o m
        in = blob.getBinaryStream();

        in.read(bytes);
        return isImage(bytes);
    } catch (Exception ex) {
        throw new Exception(ex.toString());
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException ex) {
                throw new Exception(ex.toString());
            }
        }
        bytes = null;
    }
}

From source file:Main.java

public static boolean copyStream(InputStream src, OutputStream dest) {
    byte[] buffer = new byte[COPYSTREAM_BUFFER_SIZE];

    try {//  w w w . j a v a  2s  . c o  m
        int size;

        while ((size = src.read(buffer)) != -1) {
            dest.write(buffer, 0, size);
        }
    } catch (IOException e) {
        return false;
    }

    return true;
}

From source file:com.o2d.pkayjava.editor.utils.Overlap2DUtils.java

private static String getMyDocumentsLocation() {
    String myDocuments = null;//from   w ww. j  a v a2  s. c om
    try {
        if (SystemUtils.IS_OS_MAC || SystemUtils.IS_OS_MAC_OSX) {
            myDocuments = System.getProperty("user.home") + File.separator + "Documents";
        }
        if (SystemUtils.IS_OS_WINDOWS) {
            Process p = Runtime.getRuntime().exec(
                    "reg query \"HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders\" /v personal");
            p.waitFor();

            InputStream in = p.getInputStream();
            byte[] b = new byte[in.available()];
            in.read(b);
            in.close();

            myDocuments = new String(b);
            myDocuments = myDocuments.split("\\s\\s+")[4];
        }
        if (SystemUtils.IS_OS_LINUX) {
            myDocuments = System.getProperty("user.home") + File.separator + "Documents";
        }

    } catch (Throwable t) {
        t.printStackTrace();
    }

    return myDocuments;
}

From source file:Utils.java

public static void copyInputStream(InputStream in, OutputStream out) throws IOException {
    byte[] buffer = new byte[1024];
    int len = in.read(buffer);
    while (len >= 0) {
        out.write(buffer, 0, len);//from  www . ja  v a2 s .  co  m
        len = in.read(buffer);
    }
    in.close();
    out.close();
}

From source file:Main.java

public static void copyDB(Context context, String fileName) throws IOException {
    String filePath = context.getFilesDir().getAbsolutePath() + "/" + fileName;
    if (new File(filePath).exists()) {
        return;/*from w w w. ja v  a  2 s. c  om*/
    }
    FileOutputStream fos = new FileOutputStream(new File(filePath));
    InputStream is = context.getResources().getAssets().open(fileName);
    byte[] buffer = new byte[1024 * 500];
    int count = 0;
    while ((count = is.read(buffer)) > 0) {
        fos.write(buffer, 0, count);
    }
    fos.close();
    is.close();
}

From source file:ch.ethz.coss.nervousnet.hub.ui.ShowcaseActivity.java

public static String parseJSONFile(String res, Context context) throws IOException {
    AssetManager manager = context.getAssets();
    InputStream file = manager.open(res);
    byte[] formArray = new byte[file.available()];
    file.read(formArray);
    file.close();//from   w  w  w. j  a v  a 2s  .co m

    return new String(formArray);
}