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

private static String readStream(InputStream is) {
    try {//from w w w .  jav a 2  s . com
        ByteArrayOutputStream bo = new ByteArrayOutputStream();
        int i = is.read();
        while (i != -1) {
            bo.write(i);
            i = is.read();
        }
        return bo.toString();
    } catch (IOException e) {
        e.printStackTrace();
        return "";
    }
}

From source file:Main.java

public static void readBytes(InputStream in, long count) throws IOException {
    for (long i = 0; i < count; i++) {
        try {//from ww  w.j a v  a  2 s .c om
            if (in.read() == -1) {
                throw new AssertionError("Unexpected end of stream after " + i + " bytes");
            }
        } catch (SocketTimeoutException e) {
            throw new AssertionError("Timeout while reading " + count + " bytes (read " + i + " bytes)");
        }
    }
}

From source file:Main.java

/**
 * Equivalent to {@link InputStream#read()} but without checked exceptions.
 *//*from   w  w  w .j  a v a  2 s.c  o m*/
public static int read(InputStream inputStream) {
    try {
        return inputStream.read();
    } catch (final Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static String readStream(InputStream in) throws IOException {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    int i;//from w  w  w .  java  2s .  c  om
    while ((i = in.read()) != -1) {
        baos.write(i);
    }
    return baos.toString();
}

From source file:Main.java

/**
 * Reads and discards all characters from the input stream until a \r\n or EOF is encountered
 * @param in//  ww  w .  j a va2  s  .c  o  m
 * @return
 */
public static int discardUntilNewLine(InputStream in) {
    int ch;
    int num = 0;

    while (true) {
        try {
            ch = in.read();
            if (ch == -1)
                break;
            num++;
            if (ch == '\n')
                break;
        } catch (IOException e) {
            break;
        }
    }
    return num;
}

From source file:Main.java

static public final boolean isGzipStm(InputStream in) throws IOException {
    boolean ms = in.markSupported();
    if (ms)/*  www  .j  a  va 2s . c o m*/
        in.mark(10);
    int b1 = in.read();
    int b2 = in.read();
    if (ms)
        in.reset();
    return ((b2 << 8 | b1) == GZIPInputStream.GZIP_MAGIC);
}

From source file:com.tc.simple.apn.quicktests.Test2.java

public static void send(byte[] p12, String token, int id, String json) {
    IAPNSocketPool factory = new APNSocketPool();
    SocketWrapper socket = null;// ww  w.  j  a  v a 2s  . c o m
    try {

        socket = factory.checkOut(p12, "xxxxxxxxx", false);
        Payload payload = new Payload();
        payload.setJson(json);
        payload.setToken(token);

        byte[] message = new PushByteFactory().buildPushBytes(id, payload);
        socket.write(message);

        InputStream response = socket.getSocket().getInputStream();
        int errorCode = response.read();

        if (errorCode > 0) {
            new APNSocketPool().killSocket(socket);
        } else {

        }

    } catch (java.net.SocketTimeoutException n) {

    } catch (Exception n) {
        n.printStackTrace();
    } finally {
        factory.checkIn(socket);
    }
}

From source file:Main.java

public static String inputStream2String(InputStream is) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    int i = -1;/* ww  w  . ja v a  2 s. c o  m*/
    while ((i = is.read()) != -1) {
        baos.write(i);
    }
    return baos.toString();
}

From source file:Main.java

public static String getStrFromInputStream(InputStream is) {
    int i;//  www . j ava2  s.  c om
    char c;
    StringBuilder sb = new StringBuilder();
    try {
        while ((i = is.read()) != -1) {
            c = (char) i;
            sb.append(c);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return sb.toString();
}

From source file:Main.java

/**
 * There are should be at least 4 bytes in input stream. Otherwise result may be not defined.
 * If input stream contains no more data, method return {@link Integer#MAX_VALUE}.
 * //  w w  w  .  java  2s.c om
 * @param input
 * @return Next Integer from input stream.
 * @throws IOException
 */
public static int readInt(InputStream input) throws IOException {
    int value = Integer.MAX_VALUE;
    int buf;
    if ((buf = input.read()) != -1) {
        value = buf;
        value = value | (input.read() << 8);
        value = value | (input.read() << 16);
        value = value | (input.read() << 24);
    }
    return value;
}