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

public static byte[] readCLenData(InputStream is) throws IOException {
    int len = is.read();
    if (len <= 0) {
        return null;
    }/*www.  j  a v  a2  s .  c o  m*/

    return readBytes(is, len);
}

From source file:Main.java

public static byte readByte(final InputStream stream) throws IOException {
    return (byte) (stream.read() & 0xFF);
}

From source file:Main.java

/**
 * Reads the next byte from the input stream.
 * @param input  the stream//from  w  ww  . j  a  va 2  s  . c  om
 * @return the byte
 * @throws IOException if the end of file is reached
 */
private static int read(InputStream input) throws IOException {
    int value = input.read();

    if (-1 == value) {
        throw new EOFException("Unexpected EOF reached");
    }

    return value;
}

From source file:com.orange.ClientWithResponseHandler.java

private static void mRead(HttpEntity entity) throws IOException {
    InputStream instream = entity.getContent();
    try {/*ww w  . j a va2  s. c o  m*/
        instream.read();
        // do something useful with the response
    } catch (IOException ex) {
        // In case of an IOException the connection will be released
        // back to the connection manager automatically
        throw ex;
    } finally {
        // Closing the input stream will trigger connection release
        instream.close();
    }
}

From source file:Main.java

/**
 * Returns true if files are same and false value if the files are different.
 * This function is very slow, so it will probably need a rewrite.
 * @param fileIS1 Input stream associated with the first file
 * @param fileIS2 Input stream associated with the second file
 * @return True if the files are the same, false otherwise.
 * @throws IOException if an error is encountered.
 *//*w w w .  j a  v  a 2 s.c  o  m*/
public static boolean sameContents(InputStream fileIS1, InputStream fileIS2) throws IOException {
    int b1 = fileIS1.read();
    int b2 = fileIS2.read();
    while ((b1 != -1) && (b2 != -1)) {
        if (b1 != b2) {
            return false;
        }
        b1 = fileIS1.read();
        b2 = fileIS2.read();
    }
    return b1 == b2;
}

From source file:Main.java

static public final String readPassword(OutputStream out, InputStream in) throws IOException {
    int rd = in.read();
    if (rd == -1)
        return null;
    byte r = (byte) rd;
    int i = 0;/*  w w w.  java2s.  c o m*/
    int l = 50;
    byte[] buf = new byte[l];
    while (r != '\n') {
        if (i >= l - 1) {
            l += 50;
            byte[] old = buf;
            buf = new byte[l];
            System.arraycopy(old, 0, buf, 0, old.length);
        }
        if (r != '\r') {
            buf[i++] = r;
            out.write('\b');
            out.write('*');
            out.flush();
        }
        rd = in.read();
        if (rd == -1)
            break;
        r = (byte) rd;
    }
    return new String(buf, 0, i);
}

From source file:Main.java

private static String getResponseMessage(InputStream inputStream, HttpURLConnection connection)
        throws UnsupportedEncodingException, IOException {
    String responseMessage = null;
    StringBuffer sb = new StringBuffer();
    InputStream dis = connection.getInputStream();
    int chr;/*from w w w  . j av a  2 s  .  c om*/
    while ((chr = dis.read()) != -1) {
        sb.append((char) chr);
    }
    if (sb != null) {
        responseMessage = sb.toString();
    }
    return responseMessage;
}

From source file:Main.java

public static void write(InputStream in, OutputStream out) throws Throwable {
    int read = 0;
    while ((read = in.read()) != -1) {
        out.write(read);/*from  w w  w . j ava  2 s. co m*/
    }
    in.close();
    out.close();
    out.flush();
}

From source file:Main.java

public static void write(InputStream in, OutputStream out) throws IOException {
    int read = 0;
    while ((read = in.read()) != -1) {
        out.write(read);/*from   w w  w. j a  v a  2  s . co m*/
    }
    in.close();
    out.close();
    out.flush();
}

From source file:Main.java

public static int parseLength(InputStream input) throws IOException {
    int complexTag = 0;
    int nextByte = input.read();

    boolean isComplexLength = (nextByte & 0x80) > 0;
    if (isComplexLength) {
        int bytesCount = nextByte & 0x7f;
        for (int i = 0; i < bytesCount; i++) {
            complexTag <<= 8;//from   w w w  .  j av a  2 s.  co m
            complexTag |= input.read();
        }
        return complexTag;
    } else {
        return nextByte & 0x7f;
    }
}