Example usage for java.io ObjectInputStream close

Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closes the input stream.

Usage

From source file:license.rsa.WakeRSA.java

/**
 * ?/*from   ww w . jav a2s .co m*/
 * 
 * @param keyFileName
 * @return
 * @throws Exception
 */
static PublicKey readPublicKeyFromFile() throws Exception {
    ObjectInputStream oin = new ObjectInputStream(new ByteArrayInputStream(KeyData.publicKey));
    try {
        BigInteger m = (BigInteger) oin.readObject();
        BigInteger e = (BigInteger) oin.readObject();
        System.out.println();
        System.out.println();
        System.out.println("=======mmm=====" + m);
        System.out.println("=======eeee=====" + e);
        System.out.println();
        System.out.println();
        RSAPublicKeySpec keySpec = new RSAPublicKeySpec(m, e);
        KeyFactory fact = KeyFactory.getInstance("RSA");
        return fact.generatePublic(keySpec);
    } finally {
        oin.close();
    }
}

From source file:license.regist.ProjectInfo.java

private static PrivateKey readPrivateKeyFromFile() throws Exception {
    ObjectInputStream oin = new ObjectInputStream(
            new BufferedInputStream(ProjectInfo.class.getClassLoader().getResourceAsStream("private.key")));
    try {/*from   ww w  . ja va  2s  .  c o m*/
        BigInteger m = (BigInteger) oin.readObject();
        BigInteger e = (BigInteger) oin.readObject();
        RSAPrivateKeySpec keySpec = new RSAPrivateKeySpec(m, e);
        KeyFactory fact = KeyFactory.getInstance("RSA");
        return fact.generatePrivate(keySpec);
    } finally {
        oin.close();
    }
}

From source file:com.uberspot.storageutils.StorageUtils.java

/** Loads the object with the given fileName from a file in external storage
 * @param fileName the fileName in which the object was saved
 * @return the Object read from the file
 *///w  ww .jav a2s.  c o m
public static Object loadObjectFromExternalStorage(String fileName) {
    if (!fileName.startsWith(File.separator))
        fileName = File.separator + fileName;

    File file = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + fileName);
    Object obj = null;
    ObjectInputStream input = null;
    try {
        input = new ObjectInputStream(new BufferedInputStream(new FileInputStream(file)));
        obj = input.readObject();
    } catch (Exception e) {
        e.printStackTrace(System.out);
    } finally {
        if (input != null)
            try {
                input.close();
            } catch (IOException e) {
                e.printStackTrace(System.out);
            }
    }
    return obj;
}

From source file:license.TestWakeLicense.java

/**
 * ?//from ww  w .  j a v  a2  s  .com
 * @return
 * @throws Exception
 */
static PublicKey readPublicKeyFromFile() throws Exception {
    ObjectInputStream oin = new ObjectInputStream(new ByteArrayInputStream(KeyData.publicKey));
    try {
        BigInteger m = (BigInteger) oin.readObject();
        BigInteger e = (BigInteger) oin.readObject();
        RSAPublicKeySpec keySpec = new RSAPublicKeySpec(m, e);
        KeyFactory fact = KeyFactory.getInstance("RSA");
        return fact.generatePublic(keySpec);
    } finally {
        oin.close();
    }
}

From source file:com.conwet.silbops.model.JSONvsRMIPerfT.java

public static void desexternalizeObjects(ByteArrayInputStream bais, int nElements) {

    long start = 0, end = 0;

    try {/* w w w. j  ava2 s . c o m*/
        ObjectInputStream in = new ObjectInputStream(bais);

        start = System.nanoTime();

        for (int i = 0; i < nElements; i++) {
            in.readObject();
        }

        end = System.nanoTime();

        in.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }

    long elapsed = end - start;
    long elapsedPerMessage = elapsed / nElements;
    System.out.println("   Elapsed Time " + nElements + " messages - Desexternalize: " + elapsed
            + " nanoseconds (" + elapsedPerMessage + " nanoseconds/msg)");
}

From source file:gov.va.chir.tagline.dao.FileDao.java

private static Collection<Feature> loadFeatures(final File file) throws IOException, ClassNotFoundException {
    final Collection<Feature> features = new ArrayList<Feature>();
    final ObjectInputStream in = new ObjectInputStream(new FileInputStream(file));

    try {//from   w ww . jav a2  s.  co m
        Object o = in.readObject();

        while (o != null) {
            if (o instanceof Feature) {
                features.add((Feature) o);

                o = in.readObject();
            }
        }
    } catch (EOFException ex) {
        // ignore
    }

    in.close();

    return features;
}

From source file:com.sec.ose.osi.sdk.protexsdk.component.ComponentAPIWrapper.java

public static void init() {
    ObjectInputStream ois;
    try {//from w ww. ja v  a 2 s . c om
        ois = new ObjectInputStream(new FileInputStream(new File(COMPONENT_FILE_PATH)));
        ComponentInfo componentInfoTmp = null;
        while ((componentInfoTmp = (ComponentInfo) ois.readObject()) != null) {
            globalComponentManager.addComponent(componentInfoTmp);
        }
        ois.close();
    } catch (FileNotFoundException e) {
        return;
    } catch (IOException e) {
        return;
    } catch (ClassNotFoundException e) {
        return;
    }
}

From source file:com.swingtech.commons.util.ClassUtil.java

public static Object deserializeObject(final byte[] bytes) {
    ObjectInputStream in = null;
    Object obj = null;//from w w w. jav  a 2  s  .co m

    if (bytes == null) {
        return null;
    }

    try {
        in = new ObjectInputStream(new ByteArrayInputStream(bytes));
        obj = in.readObject();
        in.close();
    } catch (final Exception e) {
        throw new RuntimeException("Error trying to deserializeObject from this byte array:  " + bytes, e);
    }

    return obj;
}

From source file:de.pawlidi.openaletheia.generator.KeyGenerator.java

public static RSAPublicKeySpec readPublicKeySpec(final String directory) {
    if (StringUtils.isBlank(directory) || !new File(directory).isDirectory()) {
        return null;
    }//w  w w  .j  a  va2s. c  om
    RSAPublicKeySpec publicKeySpec = null;
    ObjectInputStream inputStream = null;
    try {
        inputStream = new ObjectInputStream(
                new BufferedInputStream(new FileInputStream(new File(directory, PUBLIC_KEYSPEC_FILE))));
        try {
            BigInteger m = (BigInteger) inputStream.readObject();
            BigInteger e = (BigInteger) inputStream.readObject();
            publicKeySpec = new RSAPublicKeySpec(m, e);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } finally {
            if (inputStream != null) {
                inputStream.close();
                inputStream = null;
            }
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return publicKeySpec;
}

From source file:de.pawlidi.openaletheia.generator.KeyGenerator.java

public static RSAPrivateKeySpec readPrivateKeySpec(final String directory) {
    if (StringUtils.isBlank(directory) || !new File(directory).isDirectory()) {
        return null;
    }/*  ww w.  ja v a2s. co  m*/
    RSAPrivateKeySpec privateKeySpec = null;
    ObjectInputStream inputStream = null;
    try {
        inputStream = new ObjectInputStream(
                new BufferedInputStream(new FileInputStream(new File(directory, PRIVATE_KEYSPEC_FILE))));
        try {
            BigInteger m = (BigInteger) inputStream.readObject();
            BigInteger e = (BigInteger) inputStream.readObject();
            privateKeySpec = new RSAPrivateKeySpec(m, e);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } finally {
            if (inputStream != null) {
                inputStream.close();
                inputStream = null;
            }
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return privateKeySpec;
}