Example usage for java.io ObjectInput readObject

Introduction

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

Prototype

public Object readObject() throws ClassNotFoundException, IOException;

Source Link

Document

Read and return an object.

Usage

From source file:org.apache.rahas.Token.java

/**
 * Implementing de-serialization logic in accordance with the serialization logic.
 * @param in Stream which used to read data.
 * @throws IOException If unable to de-serialize particular data member.
 * @throws ClassNotFoundException // w w  w.  j av  a  2s.c om
 */
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {

    this.id = (String) in.readObject();

    this.state = in.readInt();

    String stringElement = (String) in.readObject();
    this.token = convertStringToOMElement(stringElement);

    stringElement = (String) in.readObject();
    this.previousToken = convertStringToOMElement(stringElement);

    stringElement = (String) in.readObject();
    this.attachedReference = convertStringToOMElement(stringElement);

    stringElement = (String) in.readObject();
    this.unattachedReference = convertStringToOMElement(stringElement);

    this.properties = (Properties) in.readObject();

    this.changed = in.readBoolean();

    // Read the length of the secret
    int secretLength = in.readInt();

    if (0 != secretLength) {
        byte[] buffer = new byte[secretLength];
        if (secretLength != in.read(buffer)) {
            throw new IllegalStateException("Bytes read from the secret key is not equal to serialized length");
        }
        this.secret = buffer;
    } else {
        this.secret = null;
    }

    this.created = (Date) in.readObject();

    this.expires = (Date) in.readObject();

    this.issuerAddress = (String) in.readObject();

    this.encrKeySha1Value = (String) in.readObject();
}

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

/**
 * Returns properties value out of this.data container.
 * /*from   w  ww  .j a v a 2 s. c  o m*/
 * @param propertyName Property to get  
 * @return a string containing the value of requestet proprety 
 */
public Object get(String propertyName) {

    String data = this.data.getProperty(propertyName);

    try {
        int integer = Integer.parseInt(data);
        // Looks like we've got an Integer value. Return it.
        return integer;
    } catch (NumberFormatException nFE) {
        // whooops. This wasn't integer. Let's try if we can deserialize...
        try {

            byte[] decoded = Base64.decodeBase64(data);

            ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(decoded));
            Object oData = in.readObject();
            in.close();

            return oData;

        } catch (Exception e) {
            // Nope. Not even serialized stuff. So it must be a string
            return data;
        }
    }
}

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From source file:xbird.xquery.dm.value.sequence.MarshalledSequence.java

public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    final Type type = (Type) in.readObject();
    this._type = type;
    final boolean redirectable = in.readBoolean();
    if (redirectable) {
        this._redirectable = true;
        this._entity = (Sequence<Item>) in.readObject();
    } else {/*  ww w.  j  a  va 2s. co  m*/
        this._redirectable = false; // just for readability
        final boolean isDecodedSeq = in.readBoolean();
        if (isDecodedSeq) {
            IncrDecodedSequnece entity = IncrDecodedSequnece.readFrom(in);
            entity._type = type;
            this._entity = entity;
        } else {
            final boolean piped = in.readBoolean();
            final XQEventDecoder decoder;
            if (piped) {
                this._piped = true;
                decoder = pipedIn(in, _reaccessable);
            } else {
                this._piped = false;
                decoder = bulkIn(in); // This is required for nested Object serialization/deserialization                    
            }
            if (DEBUG_DESER_SPEED) {
                try {
                    this._entity = decoder.decode();
                } catch (XQueryException e) {
                    throw new IllegalStateException("failed decoding", e);
                }
            } else {
                final IncrDecodedSequnece entity = new IncrDecodedSequnece(decoder, type);
                entity._piped = piped;
                this._entity = entity;
            }
        }
    }
}

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From source file:org.kepler.objectmanager.repository.RepositoryManager.java

/**
 * First we check to see if there is a configuration file containing the
 * name of the default remote save repository. Then we check the
 * configuration file./*  w  w w .  j  ava2s.co  m*/
 */
private void initRemoteSaveRepo() {
    if (isDebugging)
        log.debug("initRemoteSaveRepo()");
    File remoteSaveRepoFile = new File(_remoteSaveRepoFileName);

    if (!remoteSaveRepoFile.exists()) {
        setSaveRepository(null);
    } else {
        if (isDebugging) {
            log.debug("remoteSaveRepo exists: " + remoteSaveRepoFile.toString());
        }

        try {
            InputStream is = null;
            ObjectInput oi = null;
            try {
                is = new FileInputStream(remoteSaveRepoFile);
                oi = new ObjectInputStream(is);
                Object newObj = oi.readObject();

                String repoName = (String) newObj;
                Repository saveRepo = getRepository(repoName);
                if (saveRepo != null) {
                    setSaveRepository(saveRepo);
                }

                return;

            } finally {
                if (oi != null) {
                    oi.close();
                }
                if (is != null) {
                    is.close();
                }
            }

        } catch (Exception e1) {
            // problem reading file, try to delete it
            log.warn("Exception while reading localSaveRepoFile: " + e1.getMessage());
            try {
                remoteSaveRepoFile.delete();
            } catch (Exception e2) {
                log.warn("Unable to delete localSaveRepoFile: " + e2.getMessage());
            }
        }
    }

}

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From source file:org.openspaces.remoting.ExecutorRemotingTask.java

public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    lookupName = in.readUTF();/*  w  ww .j  a v  a 2 s.  c  om*/
    methodName = in.readUTF();
    int size = in.readInt();
    if (size > 0) {
        arguments = new Object[size];
        for (int i = 0; i < size; i++) {
            arguments[i] = in.readObject();
        }
    }
    size = in.readInt();
    if (size > 0) {
        metaArguments = new Object[size];
        for (int i = 0; i < size; i++) {
            metaArguments[i] = in.readObject();
        }
    }

    methodHash = new RemotingUtils.MethodHash();
    methodHash.readExternal(in);
}

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

/**
 * Serialize an instance, restore it, and check for equality.
 *///w w w .j  ava 2s  .  c  om
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:info.magnolia.cms.core.version.BaseVersionManager.java

/**
 * Get Rule used for this version./*www  . ja  v  a2  s . c o  m*/
 * @param versionedNode
 * @throws IOException
 * @throws ClassNotFoundException
 * @throws RepositoryException
 */
protected Rule getUsedFilter(Node versionedNode)
        throws IOException, ClassNotFoundException, RepositoryException {
    // if restored, update original node with the restored node and its subtree
    ByteArrayInputStream inStream = null;
    try {
        String ruleString = this.getSystemNode(versionedNode).getProperty(PROPERTY_RULE).getString();
        inStream = new ByteArrayInputStream(Base64.decodeBase64(ruleString.getBytes()));
        ObjectInput objectInput = new ObjectInputStream(inStream);
        return (Rule) objectInput.readObject();
    } catch (IOException e) {
        throw e;
    } catch (ClassNotFoundException e) {
        throw e;
    } finally {
        IOUtils.closeQuietly(inStream);
    }
}

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

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from   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:uk.co.revsys.content.repository.cloud.CloudCacheStore.java

@Override
protected void fromStreamLockSafe(ObjectInput objectInput) throws CacheLoaderException {
    String source;/*from   w  ww.j  a v a2 s .  c o  m*/
    try {
        source = (String) objectInput.readObject();
    } catch (Exception e) {
        throw convertToCacheLoaderException("Error while reading from stream", e);
    }
    if (containerName.equals(source)) {
        log.attemptToLoadSameBucketIgnored(source);
    } else {
        // TODO implement stream handling. What's the JClouds API to "copy" one bucket to another?
    }
}

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

/**
 * Serialize an instance, restore it, and check for equality.
 *//*  w w w . j a  v a  2s. 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) {
        System.out.println(e.toString());
    }
    assertEquals(v1, v2);

}

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