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 void main(String[] args) throws Exception {

    InputStream is = new FileInputStream("C://test.txt");

    System.out.println("Characters printed:");
    // create new buffered reader

    // reads and prints BufferedReader
    System.out.println((char) is.read());
    System.out.println((char) is.read());

    // mark invoked at this position
    is.mark(0);/*  w  w  w  . j a  va 2  s.  c o m*/
    System.out.println("mark() invoked");
    System.out.println((char) is.read());
    System.out.println((char) is.read());

    // reset() repositioned the stream to the mark
    if (is.markSupported()) {
        is.reset();
        System.out.println("reset() invoked");
        System.out.println((char) is.read());
        System.out.println((char) is.read());
    } else {
        System.out.print("InputStream does not support reset()");
    }
    is.close();
}

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From source file:Main.java

public static void main(String[] args) {
    byte[] b = { 'h', 'e', 'l', 'l', 'o' };
    try {//from  w w w. j av  a2s . c  o  m

        // create a new output stream
        OutputStream os = new FileOutputStream("test.txt");

        // craete a new input stream
        InputStream is = new FileInputStream("test.txt");

        // write something
        os.write(b);

        // read what we wrote
        for (int i = 0; i < b.length; i++) {
            System.out.print((char) is.read());
        }
        os.close();
        is.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }

}

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

/**
 * @param args/* ww w .  j av  a  2  s.  c o m*/
 */

public static void main(String[] args) {
    SSLSocket socket = null;

    try {
        String host = "gateway.sandbox.push.apple.com";
        int port = 2195;

        String token = "de7f197546e41a76684f8e2d89f397ed165298d7772f4bd9b0f39c674b185b0f";
        System.out.println(token.toCharArray().length);

        //String token = "8cebc7c08f79fa62f0994eb4298387ff930857ff8d14a50de431559cf476b223";

        KeyStore keyStore = KeyStore.getInstance("PKCS12");

        keyStore.load(Test.class.getResourceAsStream("egram-dev-apn.p12"), "xxxxxxxxx".toCharArray());
        KeyManagerFactory keyMgrFactory = KeyManagerFactory
                .getInstance(KeyManagerFactory.getDefaultAlgorithm());
        keyMgrFactory.init(keyStore, "xxxxxxxxx".toCharArray());

        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(keyMgrFactory.getKeyManagers(), null, null);
        SSLSocketFactory socketFactory = sslContext.getSocketFactory();

        socket = (SSLSocket) socketFactory.createSocket(host, port);
        String[] cipherSuites = socket.getSupportedCipherSuites();
        socket.setEnabledCipherSuites(cipherSuites);
        socket.startHandshake();

        char[] t = token.toCharArray();
        byte[] b = Hex.decodeHex(t);

        OutputStream outputstream = socket.getOutputStream();

        String payload = "{\"aps\":{\"alert\":\"yabadabadooo\"}}";

        int expiry = (int) ((System.currentTimeMillis() / 1000L) + 7200);

        ByteArrayOutputStream bout = new ByteArrayOutputStream();

        DataOutputStream dos = new DataOutputStream(bout);

        //command
        dos.writeByte(1);

        //id
        dos.writeInt(900);

        //expiry
        dos.writeInt(expiry);

        //token length.
        dos.writeShort(b.length);

        //token
        dos.write(b);

        //payload length
        dos.writeShort(payload.length());

        //payload.
        dos.write(payload.getBytes());

        byte[] byteMe = bout.toByteArray();

        socket.getOutputStream().write(byteMe);

        socket.setSoTimeout(900);
        InputStream in = socket.getInputStream();

        System.out.println(APNErrors.getError(in.read()));

        in.close();

        outputstream.close();

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            socket.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}

---

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    FileOutputStream fouts = null;
    System.setProperty("javax.net.ssl.trustStore", "clienttrust");
    SSLSocketFactory ssf = (SSLSocketFactory) SSLSocketFactory.getDefault();
    Socket s = ssf.createSocket("127.0.0.1", 5432);

    OutputStream outs = s.getOutputStream();
    PrintStream out = new PrintStream(outs);
    InputStream ins = s.getInputStream();
    BufferedReader in = new BufferedReader(new InputStreamReader(ins));

    out.println(args[0]);// w  w w .  j  a  va  2 s.  c  om
    fouts = new FileOutputStream("result.html");
    //  fouts = new FileOutputStream("result.gif");
    int kk;
    while ((kk = ins.read()) != -1) {
        fouts.write(kk);
    }
    in.close();
    fouts.close();
}

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From source file:Main.java

public static void main(String[] args) {
    try {//w  ww  .j  a va 2s.  c  o  m

        OutputStream os = new FileOutputStream("test.txt");

        InputStream is = new FileInputStream("test.txt");

        // write something
        os.write('A');

        // flush the stream
        os.flush();

        // close the stream but it does nothing
        os.close();

        // read what we wrote
        System.out.println((char) is.read());
        is.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }

}

---

From source file:ObfuscatingStream.java

/**
 * Obfuscates or unobfuscates the second command-line argument, depending on
 * whether the first argument starts with "o" or "u"
 * /*from   w w  w .  ja  v a2s .c  o m*/
 * @param args
 *            Command-line arguments
 * @throws IOException
 *             If an error occurs obfuscating or unobfuscating
 */
public static void main(String[] args) throws IOException {
    InputStream input = new ByteArrayInputStream(args[1].getBytes());
    StringBuilder toPrint = new StringBuilder();
    if (args[0].startsWith("o")) {
        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
        OutputStream out = obfuscate(bytes);
        int read = input.read();
        while (read >= 0) {
            out.write(read);
            read = input.read();
        }
        byte[] receiptBytes = bytes.toByteArray();
        for (int b = 0; b < receiptBytes.length; b++) {
            int chr = (receiptBytes[b] + 256) % 256;
            toPrint.append(HEX_CHARS[chr >>> 4]);
            toPrint.append(HEX_CHARS[chr & 0xf]);
        }
    } else if (args[0].startsWith("u")) {
        input = unobfuscate(input);
        InputStreamReader reader = new InputStreamReader(input);

        int read = reader.read();
        while (read >= 0) {
            toPrint.append((char) read);
            read = reader.read();
        }
    } else
        throw new IllegalArgumentException("First argument must start with o or u");
    System.out.println(toPrint.toString());
}

---

From source file:jfs.sync.meta.MetaFileStorageAccess.java

/**
 *
 * Extract one file from encrypted repository.
 *
 * TODO: list directories/*from w  ww. j a  v  a2 s. c o m*/
 *
 */
public static void main(String[] args) throws Exception {
    final String password = args[0];
    MetaFileStorageAccess storage = new MetaFileStorageAccess("Twofish", false) {

        protected String getPassword(String relativePath) {
            String result = "";

            String pwd = password;

            int i = 0;
            int j = relativePath.length() - 1;
            while ((i < pwd.length()) || (j >= 0)) {
                if (i < pwd.length()) {
                    result += pwd.charAt(i++);
                } // if
                if (j >= 0) {
                    result += relativePath.charAt(j--);
                } // if
            } // while

            return result;
        } // getPassword()
    };
    String encryptedPath = args[2];
    String[] elements = encryptedPath.split("\\\\");
    String path = "";
    for (int i = 0; i < elements.length; i++) {
        String encryptedName = elements[i];
        String plain = storage.getDecryptedFileName(path, encryptedName);
        path += storage.getSeparator();
        path += plain;
        System.out.println(path);
    } // for

    String cipherSpec = storage.getCipherSpec();
    byte[] credentials = storage.getFileCredentials(path);
    Cipher cipher = SecurityUtils.getCipher(cipherSpec, Cipher.DECRYPT_MODE, credentials);

    InputStream is = storage.getInputStream(args[1], path);
    is = JFSEncryptedStream.createInputStream(is, JFSEncryptedStream.DONT_CHECK_LENGTH, cipher);
    int b = 0;
    while (b >= 0) {
        b = is.read();
        System.out.print((char) b);
    } // while
    is.close();
}

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From source file:innovimax.quixproc.datamodel.generator.json.AJSONGenerator.java

public static void main(String[] args)
        throws JsonParseException, IOException, InstantiationException, IllegalAccessException {

    /*/*from  w w  w  .  j a va  2s.  c  o  m*/
     * final byte[][] patterns = { // empty object is allowed
     * 
     * "\"A\":1".getBytes(), // first used only once ",\"A\":1".getBytes()
     * }; BoxedArray baA = new BoxedArray(patterns, 1, 2); for (int i = 0; i
     * <Integer.MAX_VALUE; i++) { baA.nextUnique(); }
     * 
     * 
     * System.out.println(display(patterns[1]));
     */
    JsonFactory f = new JsonFactory();
    f.disable(Feature.ALLOW_COMMENTS);
    f.disable(Feature.ALLOW_SINGLE_QUOTES);
    // AGenerator generator = instance(ATreeGenerator.Type.HIGH_DENSITY);
    AGenerator generator = instance(FileExtension.JSON, TreeType.HIGH_NODE_DEPTH, SpecialType.STANDARD);

    InputStream is = generator.getInputStream(50, Unit.MBYTE, Variation.NO_VARIATION);
    if (false) {
        int c;
        while ((c = is.read()) != -1) {
            System.out.println(display((byte) (c & 0xFF)));
        }
    } else {
        JsonParser p = f.createParser(is);
        p.enable(Feature.STRICT_DUPLICATE_DETECTION);

        while (p.nextToken() != JsonToken.END_OBJECT) {
            //
        }
    }
}

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From source file:Base64.java

/** Testing. */
public static void main(String[] args) {

    String s = "Hello, world";
    s = "abcd";/*from  w w w.j a  v a 2s  .  co m*/
    //s = System.getProperties().toString();
    //System.out.println( s + ": \n [" + encode( s ) + "]\n [" + decode(encode(s)) + "]" );

    byte[] b = encodeString(s).getBytes();
    byte[] c = decode(b, 0, b.length);

    System.out.println("\n\n" + s + ":" + new String(b) + ":" + new String(c));

    try {
        FileInputStream fis = new FileInputStream("c:\\abcd.txt");
        InputStream b64is = new InputStream(fis, DECODE);
        int ib = 0;
        while ((ib = b64is.read()) > 0) { //System.out.print( new String( ""+(char)ib ) );
        }
    } // end try
    catch (Exception e) {

        e.printStackTrace();
    }
}

---

From source file:com.lxf.spider.client.QuickStart.java

public static void main(String[] args) throws Exception {
    InputStream input = null;
    OutputStream output = null;/*from  w w w .j a v  a2 s .c o m*/
    //httpclient
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {
        //get
        HttpGet httpGet = new HttpGet("http://127.0.0.1:8080/pdqx.jc.web/cen/center.html");
        //
        CloseableHttpResponse response1 = httpclient.execute(httpGet);

        // The underlying HTTP connection is still held by the response object
        // to allow the response content to be streamed directly from the network socket.
        // In order to ensure correct deallocation of system resources
        // the user MUST call CloseableHttpResponse#close() from a finally clause.
        // Please note that if response content is not fully consumed the underlying
        // connection cannot be safely re-used and will be shut down and discarded
        // by the connection manager.
        try {
            //???
            int statusCode = response1.getStatusLine().getStatusCode();
            //??200?
            if (statusCode == HttpStatus.SC_OK) {
                //                  input = httpGet.getRequestLine();
                System.out.println(response1.getStatusLine());
                //
                HttpEntity entity1 = response1.getEntity();
                // do something useful with the response body
                // and ensure it is fully consumed
                input = entity1.getContent();
                output = new FileOutputStream("d:/lxf.data");
                //?
                int tempByte = -1;
                while ((tempByte = input.read()) > 0) {
                    output.write(tempByte);
                }
                EntityUtils.consume(entity1);
                //?
                if (input != null) {
                    input.close();
                }
                if (output != null) {
                    output.close();
                }
            }

        } finally {
            response1.close();
        }

        /*HttpPost httpPost = new HttpPost("http://targethost/login");
        List <NameValuePair> nvps = new ArrayList <NameValuePair>();
        nvps.add(new BasicNameValuePair("username", "vip"));
        nvps.add(new BasicNameValuePair("password", "secret"));
        httpPost.setEntity(new UrlEncodedFormEntity(nvps));
        CloseableHttpResponse response2 = httpclient.execute(httpPost);
                
        try {
        System.out.println(response2.getStatusLine());
        HttpEntity entity2 = response2.getEntity();
        // do something useful with the response body
        // and ensure it is fully consumed
        EntityUtils.consume(entity2);
        } finally {
        response2.close();
        }*/
    } finally {
        httpclient.close();
    }
}

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