Example usage for java.io ObjectInputStream ObjectInputStream

Introduction

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

Prototype

public ObjectInputStream(InputStream in) throws IOException

Source Link

Document

Creates an ObjectInputStream that reads from the specified InputStream.

Usage

From source file:SaveYourDrawingToFile.java

public void actionPerformed(ActionEvent e) {
    if (e.getSource() == clearBtn) {
        displayList = new Vector();
        repaint();/*from   www  .j  a  v  a 2  s  .  c om*/
    } else if (e.getSource() == saveBtn) {
        try {
            FileOutputStream fos = new FileOutputStream(pathname);
            ObjectOutputStream oos = new ObjectOutputStream(fos);
            oos.writeObject(displayList);
            oos.flush();
            oos.close();
            fos.close();
        } catch (Exception ex) {
            System.out.println("Trouble writing display list vector");
        }
    } else if (e.getSource() == restoreBtn) {
        try {
            FileInputStream fis = new FileInputStream(pathname);
            ObjectInputStream ois = new ObjectInputStream(fis);
            displayList = (Vector) (ois.readObject());
            ois.close();
            fis.close();
            repaint();
        } catch (Exception ex) {
            System.out.println("Trouble reading display list vector");
        }
    } else if (e.getSource() == quitBtn) {
        setVisible(false);
        dispose();
        System.exit(0);
    }
}

From source file:edu.jhu.hlt.parma.inference.transducers.StringEditModelTrainer.java

private StringEditModel readModel(String filename) {
    System.err.println("Reading model from: " + filename);
    try {//from www  .  j  a  v a  2s  .  com
        ObjectInputStream objIn = new ObjectInputStream(new FileInputStream(filename));
        return (StringEditModel) objIn.readObject();
    } catch (IOException e) {
        System.out.println(e.getMessage());
        e.printStackTrace();
        System.exit(1);
    } catch (ClassNotFoundException c) {
        System.out.println(c.getMessage());
        c.printStackTrace();
        System.exit(1);
    }
    return null;
}

From source file:com.ery.ertc.estorm.util.ToolUtil.java

public static Object deserializeObject(String serStr, boolean isGzip, boolean urlEnCode) throws IOException {
    byte[] bts = null;
    if (urlEnCode) {
        bts = org.apache.commons.codec.binary.Base64.decodeBase64(serStr.getBytes("ISO-8859-1"));
    } else {/*from   w  ww. j  a  v a  2s  .c o m*/
        bts = serStr.getBytes("ISO-8859-1");
    }
    if (isGzip)
        bts = GZIPUtils.unzip(bts);
    ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bts);
    ObjectInputStream objectInputStream = new ObjectInputStream(byteArrayInputStream);
    try {
        return objectInputStream.readObject();
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
        throw new IOException(e);
    } finally {
        objectInputStream.close();
        byteArrayInputStream.close();
    }
}

From source file:com.jpeterson.littles3.bo.AuthenticatedUsersGroupTest.java

/**
 * Test that an instance is serializable.
 *///from  www .j ava 2s.  c  om
public void test_serialization() {
    AuthenticatedUsersGroup group, reconstitutedGroup;
    ByteArrayInputStream bais;
    ByteArrayOutputStream baos;
    ObjectInputStream ois;
    ObjectOutputStream oos;

    group = AuthenticatedUsersGroup.getInstance();

    try {
        baos = new ByteArrayOutputStream();
        oos = new ObjectOutputStream(baos);

        oos.writeObject(group);

        bais = new ByteArrayInputStream(baos.toByteArray());
        ois = new ObjectInputStream(bais);

        reconstitutedGroup = (AuthenticatedUsersGroup) ois.readObject();

        assertEquals("Unexpected value", group, reconstitutedGroup);
    } catch (IOException e) {
        e.printStackTrace();
        fail("Unexpected exception");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
        fail("Unexpected exception");
    }
}

From source file:cascading.util.Util.java

public static Object deserializeBase64(String string, boolean decompress) throws IOException {
    if (string == null || string.length() == 0)
        return null;

    ObjectInputStream in = null;//from w  w  w .  ja  v  a  2  s.  co m

    try {
        ByteArrayInputStream bytes = new ByteArrayInputStream(Base64.decodeBase64(string.getBytes()));

        in = new ObjectInputStream(decompress ? new GZIPInputStream(bytes) : bytes) {
            @Override
            protected Class<?> resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {
                try {
                    return Class.forName(desc.getName(), false, Thread.currentThread().getContextClassLoader());
                } catch (ClassNotFoundException exception) {
                    return super.resolveClass(desc);
                }
            }
        };

        return in.readObject();
    } catch (ClassNotFoundException exception) {
        throw new FlowException("unable to deserialize data", exception);
    } finally {
        if (in != null)
            in.close();
    }
}

From source file:io.lqd.sdk.model.LQLiquidPackage.java

public static LQLiquidPackage loadFromDisk(Context context) {
    LQLog.data("Loading from local storage");
    try {/*from   w w  w  . j  a v  a  2 s.  co m*/
        FileInputStream fileInputStream = context.openFileInput(LIQUID_PACKAGE_FILENAME + ".vars");
        ObjectInputStream objectInputStream = new ObjectInputStream(fileInputStream);
        Object result = objectInputStream.readObject();
        objectInputStream.close();
        return (LQLiquidPackage) result;
    } catch (IOException e) {
        LQLog.infoVerbose("Could not load liquid package from file");
    } catch (ClassNotFoundException e) {
        LQLog.infoVerbose("Could not load liquid package from file");
    }
    return new LQLiquidPackage();
}

From source file:de.tudarmstadt.ukp.experiments.argumentation.sequence.feature.lda.LDATopicsFeature.java

@Override
public boolean initialize(ResourceSpecifier aSpecifier, Map<String, Object> aAdditionalParams)
        throws ResourceInitializationException {
    if (!super.initialize(aSpecifier, aAdditionalParams)) {
        return false;
    }//from   www.  j av a  2  s.com

    try {
        URL source = resolveLocation(ldaModelFile);
        //            load(source.openStream());
        //            FileInputStream fis = new FileInputStream(ldaModelFile);
        InputStream stream = source.openStream();
        ObjectInputStream ois = new ObjectInputStream(stream);

        this.model = (ParallelTopicModel) ois.readObject();

        IOUtils.closeQuietly(stream);

        this.pipes = createPipes();
        this.pipes.setDataAlphabet(model.getAlphabet());

        for (Pipe pipe : this.pipes.pipes()) {
            pipe.setDataAlphabet(this.model.getAlphabet());
        }

        // extract top words for feature naming
        topWords = this.model.getTopWords(10);
    } catch (IOException | ClassNotFoundException ex) {
        throw new ResourceInitializationException(ex);
    }

    return true;
}

From source file:com.weibo.api.motan.protocol.restful.support.RestfulUtil.java

public static Exception getCause(BuiltResponse resp) {
    if (resp == null || resp.getStatus() != Status.EXPECTATION_FAILED.getStatusCode())
        return null;

    String exceptionClass = resp.getHeaderString(EXCEPTION_HEADER);
    if (!StringUtils.isBlank(exceptionClass)) {
        String body = resp.readEntity(String.class);
        resp.close();//w w  w  .  ja  v a2s.  co m

        try {
            ByteArrayInputStream bais = new ByteArrayInputStream(
                    Base64.decode(body.getBytes(MotanConstants.DEFAULT_CHARACTER)));
            ObjectInputStream ois = new ObjectInputStream(bais);
            return (Exception) ois.readObject();
        } catch (Exception e) {
            LoggerUtil.error("deserialize " + exceptionClass + " error", e);
        }
    }

    return null;
}

From source file:net.nicholaswilliams.java.licensing.TestObjectSerializer.java

@Test
public void testWriteObject2() throws Exception {
    MockTestObject1 object = new MockTestObject1();
    object.coolTest = true;//w  w  w  .j  a  va  2 s  .c o  m
    Arrays.fill(object.myArray, (byte) 12);

    byte[] data = this.serializer.writeObject(object);

    assertNotNull("The array should not be null.", data);
    assertTrue("The array shoudl not be empty.", data.length > 0);

    ByteArrayInputStream bytes = new ByteArrayInputStream(data);
    ObjectInputStream stream = new ObjectInputStream(bytes);

    Object input = stream.readObject();

    assertNotNull("The object should not be null.", input);
    assertEquals("The object is not the right kind of object.", MockTestObject1.class, input.getClass());

    MockTestObject1 actual = (MockTestObject1) input;
    assertFalse("The objects should not be the same object.", actual == object);
    assertEquals("The object is not correct.", object, actual);
}

From source file:edu.harvard.i2b2.Icd9ToSnomedCT.BinResourceFromIcd9ToSnomedCTMap.java

public static HashMap<String, String> deSerializeIcd9CodeToNameMap() throws IOException {
    logger.debug("loading map..");
    HashMap<String, String> map = null;
    ObjectInputStream ois = null;
    InputStream fis = null;/*from ww w  . j  a  va  2 s  . com*/

    try {
        fis = BinResourceFromIcd9ToSnomedCTMap.class.getResourceAsStream(binFileName);
        if (fis == null)
            logger.error("mapping file not found:" + binFileName);
        ois = new ObjectInputStream(fis);
        map = (HashMap<String, String>) ois.readObject();

    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    } finally {
        ois.close();
        fis.close();
    }

    logger.debug("..loaded");
    return map;
}