Example usage for java.io InputStream read

Introduction

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

Prototype

public abstract int read() throws IOException;

Source Link

Document

Reads the next byte of data from the input stream.

Usage

From source file:Main.java

/**
 * read inputstream and return the byte array
 * @param inputStream/*ww w .  j a  v a  2 s.  com*/
 * @return
 * @throws IOException
 */
public static byte[] readBytesFromInputStream(InputStream inputStream) throws IOException {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    int read = inputStream.read();
    while (read != -1) {
        byteArrayOutputStream.write(read);
        read = inputStream.read();
    }

    return byteArrayOutputStream.toByteArray();
}

From source file:com.krawler.esp.utils.HttpPost.java

public static String GetResponse(String postdata) {
    try {//from   w  w  w .  ja  v  a 2s .  c  om
        String s = URLEncoder.encode(postdata, "UTF-8");
        // URL u = new URL("http://google.com");
        URL u = new URL("http://localhost:7070/service/soap/");
        URLConnection uc = u.openConnection();
        uc.setDoOutput(true);
        uc.setDoInput(true);
        uc.setAllowUserInteraction(false);

        DataOutputStream dstream = new DataOutputStream(uc.getOutputStream());

        // The POST line
        dstream.writeBytes(s);
        dstream.close();

        // Read Response
        InputStream in = uc.getInputStream();
        int x;
        while ((x = in.read()) != -1) {
            System.out.write(x);
        }
        in.close();

        BufferedReader r = new BufferedReader(new InputStreamReader(in));
        StringBuffer buf = new StringBuffer();
        String line;
        while ((line = r.readLine()) != null) {
            buf.append(line);
        }
        return buf.toString();
    } catch (Exception e) {
        // throw e;
        return e.toString();
    }
}

From source file:Main.java

public static String determineEncoding(InputStream stream) throws IOException {
    stream.mark(20000);/*ww  w .j a  v  a2 s .  c  om*/
    try {
        int b0 = stream.read();
        int b1 = stream.read();
        int b2 = stream.read();
        int b3 = stream.read();

        if (b0 == 0xFE && b1 == 0xFF)
            return "UTF-16BE";
        else if (b0 == 0xFF && b1 == 0xFE)
            return "UTF-16LE";
        else if (b0 == 0xEF && b1 == 0xBB && b2 == 0xBF)
            return "UTF-8";
        else if (b0 == 0x00 && b1 == 0x3C && b2 == 0x00 && b3 == 0x3F)
            return "UTF-16BE";
        else if (b0 == 0x3C && b1 == 0x00 && b2 == 0x3F && b3 == 0x00)
            return "UTF-16LE";
        else if (b0 == 0x3C && b1 == 0x3F && b2 == 0x78 && b3 == 0x6D) {
            //            UTF-8, ISO 646, ASCII, some part of ISO 8859, Shift-JIS, EUC, or any other 7-bit, 8-bit, or mixed-width encoding 
            //            which ensures that the characters of ASCII have their normal positions, width, and values; the actual encoding 
            //            declaration must be read to detect which of these applies, but since all of these encodings use the same bit patterns 
            //            for the relevant ASCII characters, the encoding declaration itself may be read reliably
            InputStreamReader rdr = new InputStreamReader(stream, "US-ASCII");
            String hdr = readFirstLine(rdr);
            return extractEncoding(hdr);
        } else
            return null;
    } finally {
        stream.reset();
    }
}

From source file:Main.java

public static final int readInt(InputStream stream, int length) throws IOException {
    int result = 0;
    for (int i = 0; i != length; ++i) {
        int b = stream.read();
        if (b == -1) {
            throw new EOFException();
        }//from   w w  w. ja va2s  . c o  m
        result |= (b << (i * 8));
    }
    return result;
}

From source file:Main.java

public static String loadFromAssetsFile(String fname, Context context) {
    String result = null;//from w ww  .  j av a2  s .c o  m
    try {
        InputStream in = context.getAssets().open(fname);
        int ch = 0;
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        while ((ch = in.read()) != -1) {
            baos.write(ch);
        }
        byte[] buff = baos.toByteArray();
        baos.close();
        in.close();
        result = new String(buff, "UTF-8");
        result = result.replaceAll("\\r\\n", "\n");
    } catch (Exception e) {
        e.printStackTrace();
    }
    return result;
}

From source file:Main.java

public static byte[] toBytes(InputStream in) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    int ch;//from   w ww  . j a  v a2  s.  c o m
    while ((ch = in.read()) != -1) {
        out.write(ch);
    }
    byte buffer[] = out.toByteArray();
    out.close();
    return buffer;
}

From source file:Main.java

public static byte[] inputStreamToByte(InputStream is) {
    try {/*from w  ww.  ja  v  a 2  s.  c o  m*/
        ByteArrayOutputStream bytestream = new ByteArrayOutputStream();
        int ch;
        while ((ch = is.read()) != -1) {
            bytestream.write(ch);
        }
        byte imgdata[] = bytestream.toByteArray();
        bytestream.close();
        return imgdata;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:net.sf.firemox.token.CardPropertiesOperation.java

/**
 * Read and return the enum from the given input stream.
 * /*  www .  ja v  a  2  s  .co m*/
 * @param input
 *          the stream containing the enum to read.
 * @return the enum from the given input stream.
 * @throws IOException
 *           If some other I/O error occurs
 */
public static CardPropertiesOperation deserialize(InputStream input) throws IOException {
    return values()[input.read()];
}

From source file:citibob.licensor.MakeLauncher.java

static void exec(File dir, String... cmds) throws IOException, InterruptedException {
    Process proc = Runtime.getRuntime().exec(cmds, null, dir);
    InputStream in = proc.getInputStream();
    int c;//from   w  ww.j  a  v  a 2s.c  om
    while ((c = in.read()) >= 0)
        System.out.write(c);
    proc.waitFor();
    System.out.println("---> exit value = " + proc.exitValue());
}

From source file:Main.java

public static byte[] inputStreamToByte(InputStream is) {
    try {//from   w  w w . j  a  v a2s  . co  m
        ByteArrayOutputStream bytestream = new ByteArrayOutputStream();
        int ch;
        while ((ch = is.read()) != -1) {
            bytestream.write(ch);
        }
        byte imgdata[] = bytestream.toByteArray();
        bytestream.close();
        return imgdata;
    } catch (Exception e) {
        e.printStackTrace();
    }

    return null;
}