Example usage for java.io ObjectOutput close

Introduction

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

Prototype

public void close() throws IOException;

Source Link

Document

Closes the stream.

Usage

From source file:org.apache.synapse.message.store.impl.rabbitmq.RabbitMQProducer.java

public boolean storeMessage(MessageContext synCtx) {
    if (synCtx == null) {
        return false;
    }/*from w  ww  .  j  a  v a  2s. c  o  m*/
    if (connection == null) {
        if (logger.isDebugEnabled()) {
            logger.error(getId() + " cannot proceed. RabbitMQ Connection is null.");
        }
        logger.warn(getId() + ". Ignored MessageID : " + synCtx.getMessageID());
        return false;
    }
    StorableMessage message = MessageConverter.toStorableMessage(synCtx);
    boolean error = false;
    Throwable throwable = null;
    Channel channel = null;
    try {
        //Serializing message
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        ObjectOutput objOut = new ObjectOutputStream(os);
        objOut.writeObject(message);
        byte[] byteForm = os.toByteArray();
        objOut.close();
        os.close();
        //building AMQP message
        AMQP.BasicProperties.Builder builder = new AMQP.BasicProperties().builder();
        builder.messageId(synCtx.getMessageID());
        builder.deliveryMode(MessageProperties.MINIMAL_PERSISTENT_BASIC.getDeliveryMode());
        builder.priority(message.getPriority(DEFAULT_PRIORITY));
        channel = connection.createChannel();
        if (exchangeName == null) {
            channel.basicPublish("", queueName, builder.build(), byteForm);
        } else {
            channel.basicPublish(exchangeName, queueName, builder.build(), byteForm);
        }
    } catch (IOException e) {
        throwable = e;
        error = true;
        isConnectionError = true;
    } catch (Throwable t) {
        throwable = t;
        error = true;
    } finally {
        if (channel != null && channel.isOpen())
            try {
                channel.close();
            } catch (IOException e) {
                logger.error("Error when closing connection" + synCtx.getMessageID() + ". " + e);
            }
    }
    if (error) {
        String errorMsg = getId() + ". Ignored MessageID : " + synCtx.getMessageID()
                + ". Could not store message to store [" + store.getName() + "]. Error:"
                + throwable.getLocalizedMessage();
        logger.error(errorMsg, throwable);
        store.closeProducerConnection();
        connection = null;
        if (logger.isDebugEnabled()) {
            logger.debug(getId() + ". Ignored MessageID : " + synCtx.getMessageID());
        }
        return false;
    }
    if (logger.isDebugEnabled()) {
        logger.debug(getId() + ". Stored MessageID : " + synCtx.getMessageID());
    }
    store.enqueued();
    return true;
}

---

From source file:org.jfree.data.xy.junit.DefaultXYDatasetTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *///from  w w w. j a  v  a2 s  . c o  m
public void testSerialization() {

    DefaultXYDataset d1 = new DefaultXYDataset();
    DefaultXYDataset d2 = null;

    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(d1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        d2 = (DefaultXYDataset) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(d1, d2);

    // try a dataset with some content...
    double[] x1 = new double[] { 1.0, 2.0, 3.0 };
    double[] y1 = new double[] { 4.0, 5.0, 6.0 };
    double[][] data1 = new double[][] { x1, y1 };
    d1.addSeries("S1", data1);
    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(d1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        d2 = (DefaultXYDataset) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(d1, d2);

}

---

From source file:org.jfree.data.xy.junit.DefaultXYZDatasetTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *///from  ww  w.ja  va  2 s .  c o m
public void testSerialization() {

    DefaultXYZDataset d1 = new DefaultXYZDataset();
    DefaultXYZDataset d2 = null;

    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(d1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        d2 = (DefaultXYZDataset) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(d1, d2);

    // try a dataset with some content...
    double[] x1 = new double[] { 1.0, 2.0, 3.0 };
    double[] y1 = new double[] { 4.0, 5.0, 6.0 };
    double[] z1 = new double[] { 7.0, 8.0, 9.0 };
    double[][] data1 = new double[][] { x1, y1, z1 };
    d1.addSeries("S1", data1);
    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(d1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        d2 = (DefaultXYZDataset) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(d1, d2);

}

---

From source file:org.lexgrid.valuesets.helper.compiler.FileSystemCachingValueSetDefinitionCompilerDecorator.java

/**
 * Persist coded node set./*from   www .ja  v  a  2  s  .  co  m*/
 * 
 * @param md5 the md5
 * @param cns the cns
 * 
 * @throws Exception the exception
 */
protected void persistCodedNodeSet(String md5, CodedNodeSet cns) {
    try {
        File cachedCnsFile = new File(this.getDiskStorePath() + File.separator + this.getFileName(md5));

        if (cachedCnsFile.exists()) {
            LoggerFactory.getLogger().info("Compiled Value Set Definition already cached.");

            return;
        }

        this.deleteOldestFile();

        ObjectOutput out = new ObjectOutputStream(
                new FileOutputStream(this.getDiskStorePath() + File.separator + this.getFileName(md5)));
        out.writeObject(cns);
        out.close();
    } catch (Exception e) {
        LoggerFactory.getLogger().warn("There was an error persisting the Compiled Value Set Definition."
                + " Caching will not be used for this Value Set Definition.", e);
    }
}

---

From source file:org.jfree.data.xy.junit.TableXYDatasetTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *///w  w  w .  java2s  .c o m
public void testSerialization() {

    DefaultTableXYDataset d1 = new DefaultTableXYDataset();
    d1.addSeries(createSeries2());
    DefaultTableXYDataset d2 = null;

    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(d1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        d2 = (DefaultTableXYDataset) in.readObject();
        in.close();
    } catch (Exception e) {
        System.out.println(e.toString());
    }
    assertEquals(d1, d2);

}

---

From source file:com.sun.j2ee.blueprints.taglibs.smart.ClientStateTag.java

public int doEndTag() throws JspTagException {
    if (imageURL == null && buttonText == null) {
        throw new JspTagException(
                "ClientStateTag error: either an " + "imageURL or buttonText attribute must be specified.");
    }//from w  ww  .j a v  a2s .com
    HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
    StringBuffer buffer = new StringBuffer();
    buffer.append("<form method=\"POST\" action=\"" + targetURL + "\">");
    // insert any parameters that may have been added via sub tags
    if (parameters != null) {
        Iterator it = parameters.keySet().iterator();
        // put the request attributes stored in the session in the request
        while (it.hasNext()) {
            String key = (String) it.next();
            String value = (String) parameters.get(key);
            buffer.append(" <input type=\"hidden\" name=\"" + key + "\" value=\"" + value + "\" />");
        }
    }
    String fullURL = request.getRequestURI();
    // find the url that sent us this page
    String targetURL = null;
    int lastPathSeparator = fullURL.lastIndexOf("/") + 1;
    if (lastPathSeparator != -1) {
        targetURL = fullURL.substring(lastPathSeparator, fullURL.length());
    }
    buffer.append(" <input type=\"hidden\" name=\"referring_URL\"" + "value=\"" + targetURL + "\">");
    String referringScreen = (String) request.getSession().getAttribute(WebKeys.PREVIOUS_SCREEN);
    buffer.append(" <input type=\"hidden\" name=\"referring_screen\"" + "value=\"" + referringScreen + "\">");
    buffer.append(" <input type=\"hidden\" name=\"cacheId\"" + "value=\"" + cacheId + "\">");
    // check the request for previous parameters
    Map params = (Map) request.getParameterMap();
    if (!params.isEmpty() && encodeRequestParameters) {
        Iterator it = params.entrySet().iterator();
        // copy in the request parameters stored
        while (it.hasNext()) {
            Entry entry = (Entry) it.next();
            String key = (String) entry.getKey();
            if (!key.startsWith(cacheId)) {
                String[] values = (String[]) entry.getValue();
                String valueString = values[0];
                buffer.append(" <input type=\"hidden\" name=\"" + key + "\" value=\"" + valueString + "\" />");
            }
        }
    }
    /**
      *  Now serialize the request attributes into the page (only sealizable objects are going
      *  to be processed).
      */
    if (encodeRequestAttributes) {
        // put the request attributes into tattributres
        Enumeration enumeration = request.getAttributeNames();
        while (enumeration.hasMoreElements()) {
            String key = (String) enumeration.nextElement();
            // check if we have already serialized the items
            // also don't serialize javax items because
            if (!key.startsWith(cacheId) && !key.startsWith("javax.servlet")) {
                Object value = request.getAttribute(key);
                if (serializableClass == null) {
                    try {
                        serializableClass = Class.forName("java.io.Serializable");
                    } catch (java.lang.ClassNotFoundException cnf) {
                        logger.error("ClientStateTag caught: ", cnf);
                    }
                }
                // check if seralizable
                if (serializableClass.isAssignableFrom(value.getClass())) {
                    try {
                        ByteArrayOutputStream bos = new ByteArrayOutputStream();
                        ObjectOutput out = new ObjectOutputStream(bos);
                        out.writeObject(value);
                        out.close();
                        buffer.append(" <input type=\"hidden\" name=\"" + cacheId + "_attribute_" + key
                                + "\" value=\"" + new String(Base64.encode(bos.toByteArray()), "ISO-8859-1")
                                + "\" />");
                    } catch (java.io.IOException iox) {
                        logger.error("ClientStateTag caught: ", iox);
                    }
                } else {
                    logger.info(key + " not to Serializeable");
                }
            }
        }
    } // end get attributes
      // now put the link in
    if (imageURL != null) {
        buffer.append(" <input alt=\"" + altText + "\" type=\"image\" " + "src=\"" + imageURL + "\"/>");
    } else {
        buffer.append(" <input alt=\"" + altText + "\"  type=\"submit\" " + "value=\"" + buttonText + "\"/>");
    }
    buffer.append("</form>");
    // write the output to the output stream
    try {
        JspWriter out = pageContext.getOut();
        out.print(buffer.toString());
    } catch (IOException ioe) {
        logger.error("ClientStateTag: Problems with writing...", ioe);
    }
    // reset everything
    parameters = null;
    altText = "";
    buttonText = null;
    imageURL = null;
    cacheId = null;
    targetURL = null;
    encodeRequestAttributes = true;
    encodeRequestParameters = true;
    serializableClass = null;
    return EVAL_PAGE;
}

---

From source file:org.apache.stratos.mock.iaas.persistence.RegistryManager.java

/**
 * Serialize an object to a byte array./*from w ww  .  j  a va  2  s . c o m*/
 *
 * @param object object
 * @return byte array
 * @throws java.io.IOException
 */
private byte[] serializeToByteArray(Object object) throws IOException {

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;
    try {
        out = new ObjectOutputStream(bos);
        out.writeObject(object);
        return bos.toByteArray();

    } finally {
        if (out != null) {
            out.close();
        }
        bos.close();
    }
}

---

From source file:ar.edu.unicen.exa.aop.aopetstore.waf.view.taglibs.smart.ClientStateTag.java

public int doEndTag() throws JspTagException {
    HttpServletRequest request = ((HttpServletRequest) pageContext.getRequest());
    StringBuffer buffer = new StringBuffer();
    buffer.append("<form method=\"POST\" action=\"" + targetURL + "\">");
    // insert any parameters that may have been added via sub tags
    if (parameters != null) {
        Iterator<String> it = parameters.keySet().iterator();
        // put the request attributes stored in the session in the request
        while (it.hasNext()) {
            String key = it.next();
            String value = parameters.get(key);
            buffer.append(" <input type=\"hidden\" name=\"" + key + "\" value=\"" + value + "\" />");
        }//from   w  w w.  j av  a 2  s.c o m
    }
    String fullURL = request.getRequestURI();
    // find the url that sent us this page
    String targetURL = null;
    int lastPathSeparator = fullURL.lastIndexOf("/") + 1;
    if (lastPathSeparator != -1) {
        targetURL = fullURL.substring(lastPathSeparator, fullURL.length());
    }
    buffer.append(" <input type=\"hidden\" name=\"referring_URL\"" + "value=\"" + targetURL + "\">");
    String referringScreen = (String) request.getSession().getAttribute(WebKeys.PREVIOUS_SCREEN);
    buffer.append(" <input type=\"hidden\" name=\"referring_screen\"" + "value=\"" + referringScreen + "\">");
    buffer.append(" <input type=\"hidden\" name=\"cacheId\"" + "value=\"" + cacheId + "\">");
    // check the request for previous parameters
    Map<?, ?> params = (Map<?, ?>) request.getParameterMap();
    if (!params.isEmpty() && encodeRequestParameters) {
        Iterator<?> it = params.keySet().iterator();
        // copy in the request parameters stored
        while (it.hasNext()) {
            String key = (String) it.next();
            if (!key.startsWith(cacheId)) {
                String[] values = (String[]) params.get(key);
                String valueString = values[0];
                buffer.append(" <input type=\"hidden\" name=\"" + key + "\" value=\"" + valueString + "\" />");
            }
        }
    }
    /**
      *  Now serialize the request attributes into the page (only sealizable objects are going
      *  to be processed).
      */
    if (encodeRequestAttributes) {
        // put the request attributes into tattributres
        Enumeration<?> myEnumeration = request.getAttributeNames();
        while (myEnumeration.hasMoreElements()) {
            String key = (String) myEnumeration.nextElement();
            // check if we have already serialized the items
            // also don't serialize javax items because
            if (!key.startsWith(cacheId) && !key.startsWith("javax.servlet")) {
                Object value = request.getAttribute(key);
                if (serializableClass == null) {
                    try {
                        getClass();
                        serializableClass = Class.forName("java.io.Serializable");
                    } catch (java.lang.ClassNotFoundException cnf) {
                        System.err.println("ClientStateTag caught: " + cnf);
                    }
                }
                // check if seralizable
                if (serializableClass.isAssignableFrom(value.getClass())) {
                    try {
                        ByteArrayOutputStream bos = new ByteArrayOutputStream();
                        ObjectOutput out = new ObjectOutputStream(bos);
                        out.writeObject(value);
                        out.close();
                        buffer.append(" <input type=\"hidden\" name=\"" + cacheId + "_attribute_" + key
                                + "\" value=\""
                                + new String(Base64.encodeBase64(bos.toByteArray()), "ISO-8859-1") + "\" />");
                    } catch (java.io.IOException iox) {
                        System.err.println("ClientStateTag caught: " + iox);
                    }
                } else {
                    System.out.println(key + " not to Serializeable");
                }
            }

        }
    } // end get attributes
      // now put the link in
    if (imageURL != null) {
        buffer.append(" <input alt=\"" + altText + "\" type=\"image\" " + "src=\"" + imageURL + "\"/>");
    } else {
        buffer.append(" <input alt=\"" + altText + "\"  type=\"submit\" " + "value=\"" + buttonText + "\"/>");
    }
    buffer.append("</form>");
    // write the output to the output stream
    try {
        JspWriter out = pageContext.getOut();
        out.print(buffer.toString());
    } catch (IOException ioe) {
        System.err.println("ClientStateTag: Problems with writing...");
    }
    // reset everything
    parameters = null;
    altText = "";
    buttonText = null;
    imageURL = null;
    cacheId = null;
    targetURL = null;
    encodeRequestAttributes = true;
    encodeRequestParameters = true;
    serializableClass = null;
    return EVAL_PAGE;
}

---

From source file:org.jfree.data.time.junit.SecondTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from w ww. j av a  2  s.co  m*/
public void testSerialization() {
    Second s1 = new Second();
    Second s2 = null;
    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(s1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        s2 = (Second) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(s1, s2);
}

---

From source file:org.jfree.data.time.junit.MinuteTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *//* www  . ja v a 2  s.  c  o m*/
public void testSerialization() {
    Minute m1 = new Minute();
    Minute m2 = null;

    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(m1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        m2 = (Minute) in.readObject();
        in.close();
    } catch (Exception e) {
        System.out.println(e.toString());
    }
    assertEquals(m1, m2);
}

---

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