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:com.roche.iceboar.cachestorage.LocalCacheStorage.java

private void store(CacheStatus cacheStatus, String cachePath) {
    OutputStream file = null;//from  ww w . j ava  2s  . co m
    OutputStream buffer = null;
    ObjectOutput output = null;
    try {
        //use buffering
        file = new FileOutputStream(cachePath);
        buffer = new BufferedOutputStream(file);
        output = new ObjectOutputStream(buffer);
        output.writeObject(cacheStatus);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (output != null) {
            try {
                output.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (buffer != null) {
            try {
                buffer.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (file != null) {
            try {
                file.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

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From source file:org.jfree.data.junit.DefaultKeyedValuesTests.java

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from   w  w  w.j  a v a  2  s.c  o m*/
public void testSerialization() {
    DefaultKeyedValues v1 = new DefaultKeyedValues();
    v1.addValue("Key 1", new Double(23));
    v1.addValue("Key 2", null);
    v1.addValue("Key 3", new Double(42));
    DefaultKeyedValues v2 = null;
    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(v1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        v2 = (DefaultKeyedValues) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(v1, v2);
}

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From source file:org.buzzjoe.SimpleDataStorage.SimpleDataStorage.java

/**
 * Stores some Data in this.data container.<br>
 * //w w w. j av  a 2  s. c o m
 * @param keyName f.e. 'myKey' or 'buzzjoe.home'
 * @param data data to be stored. Accepts String and Integer by default. Other datatypes will be serialized.
 * @param serializeData set to true if you want to serialize in every case
 * 
 */
public void set(String keyName, Object data, boolean serializeData) {

    if ((data instanceof Integer || data instanceof String) && !serializeData) {
        this.data.setProperty(keyName, data.toString());
        this.dataChanged = true;
    } else {

        // okay. Seems like we got something to serialize
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        byte[] buf = null;
        try {
            ObjectOutput out = new ObjectOutputStream(bos);
            out.writeObject(data);
            out.close();
            buf = bos.toByteArray();

        } catch (Exception e) {
            System.out.println("SimpleDataStorage - Error: Given datatype for key " + keyName
                    + " is not serializeable. Can't store it.");
            System.out.println(e.toString());
        }

        byte[] encoded = Base64.encodeBase64(buf);
        String outString = "";
        try {
            outString = new String(encoded, "ASCII");
        } catch (Exception e) {

        }
        this.data.setProperty(keyName, outString);
        this.dataChanged = true;
    }

    // this is a very bad idea. But it is the only secure way to store
    // the data to the file system. 
    // Needs some polish because method is called after every changing action
    if (this.doAutosave)
        this.writeToFile();
}

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From source file:org.jfree.data.junit.KeyedObjectsTests.java

/**
 * Serialize an instance, restore it, and check for equality.
 *//*  w w  w  .j a  v a  2  s .co m*/
public void testSerialization() {

    KeyedObjects ko1 = new KeyedObjects();
    ko1.addObject("Key 1", "Object 1");
    ko1.addObject("Key 2", null);
    ko1.addObject("Key 3", "Object 2");

    KeyedObjects ko2 = null;

    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(ko1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        ko2 = (KeyedObjects) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(ko1, ko2);

}

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From source file:org.jfree.data.junit.DefaultKeyedValuesTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from w  w w.j a va2 s.co  m*/
public void testSerialization() {

    DefaultKeyedValues v1 = new DefaultKeyedValues();
    v1.addValue("Key 1", new Double(23));
    v1.addValue("Key 2", null);
    v1.addValue("Key 3", new Double(42));

    DefaultKeyedValues v2 = null;

    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(v1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        v2 = (DefaultKeyedValues) in.readObject();
        in.close();
    } catch (Exception e) {
        System.out.println(e.toString());
    }
    assertEquals(v1, v2);

}

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From source file:org.apache.stratos.cartridge.agent.registrant.RegistrantDatabase.java

private void persist(Registrant registrant) throws CartridgeAgentException {
    try {/*from   w ww  .  j a  va  2  s  .  c om*/
        ObjectOutput out = null;
        try {
            // Serialize to a file
            if (!new File("registrants").exists() && !new File("registrants").mkdirs()) {
                throw new IOException("Cannot create registrants directory");
            }
            out = new ObjectOutputStream(
                    new FileOutputStream("registrants" + File.separator + registrant.getKey() + ".ser"));
            out.writeObject(registrant);
            out.close();
        } finally {
            if (out != null) {
                out.close();
            }
        }
    } catch (IOException e) {
        log.error("Could not serialize registrant " + registrant, e);
    }
}

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From source file:info.magnolia.cms.core.version.VersionManager.java

/**
 * create version of the specified node and all child nodes based on the given <code>Rule</code>
 *
 * @param node to be versioned//  w ww  .ja  va 2 s.c  om
 * @param rule
 * @return newly created version node
 * @throws UnsupportedOperationException if repository implementation does not support Versions API
 * @throws javax.jcr.RepositoryException if any repository error occurs
 */
private Version createVersion(Content node, Rule rule)
        throws UnsupportedRepositoryOperationException, RepositoryException {
    if (VersionConfig.getMaxVersionIndex() < 1) {
        log.debug("Ignore create version, MaxVersionIndex < 1");
        log.debug("Returning root version of the source node");
        return node.getJCRNode().getVersionHistory().getRootVersion();
    }
    CopyUtil.getInstance().copyToversion(node, new RuleBasedContentFilter(rule));
    Content versionedNode = this.getVersionedNode(node);
    Content systemInfo = this.getSystemNode(versionedNode);
    // add serialized rule which was used to create this version
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {
        ObjectOutput objectOut = new ObjectOutputStream(out);
        objectOut.writeObject(rule);
        objectOut.flush();
        objectOut.close();
        NodeData nodeData;
        // PROPERTY_RULE is not a part of MetaData to allow versioning of node types which does NOT support MetaData
        if (!systemInfo.hasNodeData(PROPERTY_RULE))
            nodeData = systemInfo.createNodeData(PROPERTY_RULE);
        else
            nodeData = systemInfo.getNodeData(PROPERTY_RULE);
        nodeData.setValue(out.toString());
    } catch (IOException e) {
        throw new RepositoryException("Unable to add serialized Rule to the versioned content");
    }
    // temp fix, MgnlContext should always have user either logged-in or anonymous
    String userName = "";
    if (MgnlContext.getUser() != null)
        userName = MgnlContext.getUser().getName();
    // add all system properties for this version
    if (!systemInfo.hasNodeData(ContentVersion.VERSION_USER))
        systemInfo.createNodeData(ContentVersion.VERSION_USER).setValue(userName);
    else
        systemInfo.getNodeData(ContentVersion.VERSION_USER).setValue(userName);
    if (!systemInfo.hasNodeData(ContentVersion.NAME))
        systemInfo.createNodeData(ContentVersion.NAME).setValue(node.getName());
    else
        systemInfo.getNodeData(ContentVersion.NAME).setValue(node.getName());

    versionedNode.save();
    // add version
    Version newVersion = versionedNode.getJCRNode().checkin();
    versionedNode.getJCRNode().checkout();
    try {
        this.setMaxVersionHistory(versionedNode);
    } catch (RepositoryException re) {
        log.error("Failed to limit version history to the maximum configured", re);
        log.error("New version has already been created");
    }

    return newVersion;
}

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From source file:com.act.reachables.Network.java

public void serialize(String toFile) {
    try {//from  w w  w  .  j  a v  a 2 s.c  o  m
        OutputStream file = new FileOutputStream(toFile);
        OutputStream buffer = new BufferedOutputStream(file);
        ObjectOutput output = new ObjectOutputStream(buffer);
        try {
            output.writeObject(this);
        } finally {
            output.close();
        }
    } catch (IOException ex) {
        throw new RuntimeException("Network serialize failed: " + ex);
    }
}

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From source file:edu.ucsb.cs.cs185.easytrade.MainActivity.java

@Override
public void onStop() {
    super.onStop();
    //Write Database to disk
    sortData();/*from w w w. j  a  v  a  2s.  c  o  m*/
    EasyTradeDataBase.setITEMID_LOWER_BOUND(EasyTradeDataBase.getITEMID_LOWER_BOUND() + 1);
    try {
        File outFile = new File(Environment.getExternalStorageDirectory(), "EasyTradeDataBase.ser");
        ObjectOutput out = new ObjectOutputStream(new FileOutputStream(outFile));
        out.writeObject(EasyTradeDataBase);
        out.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

}

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From source file:com.microsoft.applicationinsights.internal.channel.common.TransmissionFileSystemOutput.java

private boolean saveTransmission(File transmissionFile, Transmission transmission) {
    try {/*from  ww w  . j a v a  2  s  . c  o  m*/
        OutputStream fileOutput = new FileOutputStream(transmissionFile);
        OutputStream buffer = new BufferedOutputStream(fileOutput);
        ObjectOutput output = new ObjectOutputStream(buffer);
        try {
            output.writeObject(transmission);
        } catch (IOException e) {
            InternalLogger.INSTANCE.error("Failed to save transmission, exception: %s", e.getMessage());
        } finally {
            try {
                output.close();
            } catch (Exception e) {
                return false;
            }
        }
        return true;
    } catch (IOException e) {
        InternalLogger.INSTANCE.error("Failed to save transmission, exception: %s", e.getMessage());
    }

    return false;
}

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