Example usage for java.io BufferedInputStream BufferedInputStream

Introduction

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

Prototype

public BufferedInputStream(InputStream in)

Source Link

Document

Creates a BufferedInputStream and saves its argument, the input stream in, for later use.

Usage

From source file:Main.java

public static String readTextFile(URL url) throws IOException {
    if (url == null)
        return "";
    BufferedInputStream bis = null;
    StringBuffer sb = new StringBuffer();
    try {/*w ww . java  2  s .co  m*/
        bis = new BufferedInputStream(url.openStream());
        byte buff[] = new byte[2048];
        int bytesRead;
        while (-1 != (bytesRead = bis.read(buff, 0, buff.length)))
            sb.append(new String(buff, 0, bytesRead));
    } catch (IOException e) {
        throw e;
    }
    return sb.toString();
}

From source file:Main.java

public static boolean copyFile2(File src, File dst) {
    FileInputStream i;/*  w w  w .j a  v  a 2  s .com*/
    try {
        i = new FileInputStream(src);
        BufferedInputStream in = new BufferedInputStream(i);
        FileOutputStream o = new FileOutputStream(dst);
        BufferedOutputStream out = new BufferedOutputStream(o);
        byte[] b = new byte[1024 * 5];
        int len;
        while ((len = in.read(b)) != -1) {
            out.write(b, 0, len);
        }
        out.flush();
        in.close();
        out.close();
        o.close();
        i.close();
        return true;
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }
}

From source file:Main.java

private static void downloadResource(String from, String to) {
    OutputStream outputStream = null;
    BufferedInputStream inputStream = null;
    HttpURLConnection connection = null;
    URL url;/*from   w w  w .  ja  v  a  2  s.co m*/
    byte[] buffer = new byte[1024];

    try {
        url = new URL(from);

        connection = (HttpURLConnection) url.openConnection();

        connection.setRequestMethod("GET");
        connection.setDoOutput(true);
        connection.connect();
        outputStream = new FileOutputStream(to);

        inputStream = new BufferedInputStream(url.openStream());
        int read;

        while ((read = inputStream.read(buffer)) > 0) {
            outputStream.write(buffer, 0, read);
        }

    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (outputStream != null)
            try {
                outputStream.close();
            } catch (IOException e) {
            }
        if (inputStream != null)
            try {
                inputStream.close();
            } catch (IOException e) {
            }
        if (connection != null)
            connection.disconnect();
    }
}

From source file:MainClass.java

public static void desEncrypt(String f1, String f2) throws Exception {
    SecretKey key = null;//ww w  . java 2  s .  com

    ObjectInputStream keyFile = new ObjectInputStream(new FileInputStream("DESKey.ser"));
    key = (SecretKey) keyFile.readObject();
    keyFile.close();
    Cipher cipher = Cipher.getInstance("DES/ECB/PKCS5Padding");
    cipher.init(Cipher.DECRYPT_MODE, key);
    CipherInputStream in = new CipherInputStream(new BufferedInputStream(new FileInputStream(f1)), cipher);
    BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(f2));
    int i;
    do {
        i = in.read();
        if (i != -1)
            out.write(i);
    } while (i > 0);
    in.close();
    out.close();
}

From source file:Main.java

public static String readData(Context mContext, String key, int resId) {
    Properties props = new Properties();
    try {//  w  w w  .  ja v  a2 s . c  o  m
        InputStream in = new BufferedInputStream(mContext.getResources().openRawResource(resId));
        props.load(in);
        in.close();
        String value = props.getProperty(key);
        return value;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:MainClass.java

public static void blowfishEncrypt(String f1, String f2) throws Exception {
    SecretKey key = null;// w  ww . j a  v a  2  s .  co m

    ObjectInputStream keyFile = new ObjectInputStream(new FileInputStream("BlowfishKey.ser"));
    key = (SecretKey) keyFile.readObject();
    keyFile.close();
    Cipher cipher = Cipher.getInstance("Blowfish/ECB/PKCS5Padding");
    cipher.init(Cipher.DECRYPT_MODE, key);
    CipherInputStream in = new CipherInputStream(new BufferedInputStream(new FileInputStream(f1)), cipher);
    BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(f2));
    int i;
    do {
        i = in.read();
        if (i != -1)
            out.write(i);
    } while (i > 0);
    in.close();
    out.close();
}

From source file:TestPipes.java

public static void readData(InputStream is) {
    DataInputStream in = new DataInputStream(new BufferedInputStream(is));
    boolean eof = false;
    try {/*from   w  ww .  j  a  v  a  2s . c o m*/
        while (!eof) {
            int iValue = in.readInt();
            System.out.println("read value = " + iValue);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    System.out.println("End of Data");
}

From source file:Main.java

/**
 * Creates an SSLSocketFactory which contains {@code certChainFile} as its only root certificate.
 *///from ww  w  .j a v a  2s.c  o  m
public static SSLSocketFactory newSslSocketFactoryForCa(InputStream certChain) throws Exception {
    KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
    ks.load(null, null);
    CertificateFactory cf = CertificateFactory.getInstance("X.509");
    X509Certificate cert = (X509Certificate) cf.generateCertificate(new BufferedInputStream(certChain));
    X500Principal principal = cert.getSubjectX500Principal();
    ks.setCertificateEntry(principal.getName("RFC2253"), cert);
    //    ks.setCertificateEntry("ca", cert);

    // Set up trust manager factory to use our key store.
    TrustManagerFactory trustManagerFactory = TrustManagerFactory
            .getInstance(TrustManagerFactory.getDefaultAlgorithm());
    trustManagerFactory.init(ks);
    SSLContext context = SSLContext.getInstance("TLS");
    context.init(null, trustManagerFactory.getTrustManagers(), null);
    return context.getSocketFactory();
}

From source file:Main.java

public static String getCharset1(String fileName) throws IOException {
    BufferedInputStream bin = new BufferedInputStream(new FileInputStream(fileName));
    int p = (bin.read() << 8) + bin.read();

    String code;// w  ww .jav  a 2  s.  c o  m
    switch (p) {
    case 0xefbb:
        code = "UTF-8";
        break;
    case 0xfffe:
        code = "Unicode";
        break;
    case 0xfeff:
        code = "UTF-16BE";
        break;
    default:
        code = "GBK";
    }
    return code;
}

From source file:es.logongas.iothome.agent.ConfigLoader.java

public static Config getConfig(String fileName) {
    Config config;/*from   w ww .  j av  a  2s.c  om*/
    InputStream inputStream = null;
    try {
        ObjectMapper objectMapper = new ObjectMapper();

        inputStream = new BufferedInputStream(new FileInputStream(fileName));
        config = (Config) objectMapper.readValue(inputStream, Config.class);

        return config;
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    } finally {
        try {
            if (inputStream != null) {
                inputStream.close();
            }
        } catch (IOException ex) {
            Logger.getLogger(Storage.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}