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:com.splicemachine.derby.stream.output.insert.InsertTableWriterBuilder.java

@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    isUpsert = in.readBoolean();/* w ww .  jav a  2  s  . c  om*/
    if (in.readBoolean())
        operationContext = (OperationContext) in.readObject();
    txn = SIDriver.driver().getOperationFactory().readTxn(in);
    pkCols = ArrayUtil.readIntArray(in);
    tableVersion = in.readUTF();
    execRowTypeFormatIds = ArrayUtil.readIntArray(in);
    execRowDefinition = (ExecRow) in.readObject();
    autoIncrementRowLocationArray = new RowLocation[in.readInt()];
    for (int i = 0; i < autoIncrementRowLocationArray.length; i++)
        autoIncrementRowLocationArray[i] = (RowLocation) in.readObject();
    spliceSequences = new SpliceSequence[in.readInt()];
    for (int i = 0; i < spliceSequences.length; i++)
        spliceSequences[i] = (SpliceSequence) in.readObject();
    heapConglom = in.readLong();
}

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

/**
 * Serialize an instance, restore it, and check for equality.
 *///from   w ww . jav  a  2  s  .c  om
public void testSerialization() {
    DefaultWindDataset d1 = new DefaultWindDataset();
    DefaultWindDataset 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 = (DefaultWindDataset) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(d1, d2);

    // try a dataset with some content...
    d1 = createSampleDataset1();
    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(d1);
        out.close();

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

}

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From source file:org.kepler.objectmanager.library.LibSearchConfiguration.java

private void init() {
    File saveFile = new File(_saveFileName);

    if (saveFile.exists()) {
        if (isDebugging) {
            log.debug("Save file exists: " + saveFile.toString());
        }//ww  w  .j  a  v  a2  s. c  o  m

        try {
            InputStream is = null;
            ObjectInput oi = null;
            try {
                is = new FileInputStream(saveFile);
                oi = new ObjectInputStream(is);
                Object newObj = oi.readObject();
                _searchTypes = (Vector<Integer>) newObj;
                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 save file: " + e1.getMessage());
            try {
                saveFile.delete();
            } catch (Exception e2) {
                log.warn("Unable to delete save file: " + e2.getMessage());
            }
        }
    } else {
        setDefaults();
    }

}

---

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

/**
 * Retrieve coded node set./*  w ww.  j ava  2  s  . c  o m*/
 * 
 * @param md5 the md5
 * 
 * @return the coded node set
 * 
 * @throws Exception the exception
 */
protected CodedNodeSet retrieveCodedNodeSet(String md5) {

    try {

        File cachedCnsFile = new File(this.getDiskStorePath() + File.separator + this.getFileName(md5));
        if (!cachedCnsFile.exists()) {
            LoggerFactory.getLogger().info("Compiled Value Set Definition cache miss.");

            return null;
        } else {
            LoggerFactory.getLogger().info("Compiled Value Set Definition cache hit.");

            FileUtils.touch(cachedCnsFile);
        }

        ObjectInput in = new ObjectInputStream(new FileInputStream(cachedCnsFile));
        CodedNodeSetImpl cns;
        try {
            cns = (CodedNodeSetImpl) in.readObject();
        } catch (Exception e) {
            LoggerFactory.getLogger().warn(
                    "Compiled Value Set Definition was found, but it is invalid or corrupted. Removing...", e);
            if (!FileUtils.deleteQuietly(cachedCnsFile)) {
                FileUtils.forceDeleteOnExit(cachedCnsFile);
            }

            throw e;
        }

        in.close();

        if (cns == null) {
            return null;
        } else {
            return cns;
        }
    } catch (Exception e) {
        LoggerFactory.getLogger()
                .warn("There was an error retrieving the Compiled Value Set Definition from the Cache."
                        + " Caching will not be used for this Value Set Definition.", e);

        return null;
    }
}

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From source file:de.pro.dbw.file.tipofthenight.api.TipOfTheNightModel.java

@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    this.setId(in.readLong());
    this.setGenerationTime(in.readLong());
    this.setText(String.valueOf(in.readObject()));
    this.setTitle(String.valueOf(in.readObject()));
}

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From source file:com.roche.iceboar.cachestorage.LocalCacheStorage.java

public CacheStatus loadCacheStatus(String cachePath) {
    InputStream file = null;//from  w  w w . j  a v a2 s  . c om
    InputStream buffer = null;
    ObjectInput input = null;
    try {
        file = new FileInputStream(cachePath);
        buffer = new BufferedInputStream(file);
        input = new ObjectInputStream(buffer);

        CacheStatus cacheStatus = (CacheStatus) input.readObject();
        return cacheStatus;
    } catch (Exception e) {
        System.out.println("Can't open file with cache settings. Expected file here: " + cachePath);
    } finally {
        if (input != null) {
            try {
                input.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();
            }
        }
    }
    return new CacheStatus();
}

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From source file:gridool.routing.strategy.ConsistentHash.java

public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    HashFunction hashFunc = (HashFunction) in.readObject();
    this.hashFunction = hashFunc;
    this.numberOfVirtualNodes = in.readInt();
    this.circle = new TreeMap<Long, GridNode>();
    this.liveNodes = new TreeMap<GridNode, GridNode>(new NodeComparator(hashFunc));
    this.removedNodes = new HashMap<GridNode, GridNode>(32);
    final int numNodes = in.readInt();
    for (int i = 0; i < numNodes; i++) {
        GridNode node = (GridNode) in.readObject();
        add(node);/*from   www. j av a 2  s  . co  m*/
    }
    final int numRemoved = in.readInt();
    final Map<GridNode, GridNode> removedNodes = new HashMap<GridNode, GridNode>(numRemoved * 2);
    for (int i = 0; i < numRemoved; i++) {
        GridNode node = (GridNode) in.readObject();
        removedNodes.put(node, node);
    }
    this.removedNodes = removedNodes;
}

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From source file:xbird.xquery.misc.BasicStringChunk.java

public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
    this._strPool = (List<String>) in.readObject();
    this._cchunks = (char[][]) in.readObject();
    this._cpointer = in.readLong();
}

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From source file:org.kepler.gui.component.ShowFolders.java

/**
 * Load saved state/*from ww  w.j  a  v  a  2  s .  co  m*/
 */
private void init() {
    File saveFile = new File(_saveFileName);

    if (saveFile.exists()) {
        if (isDebugging) {
            log.debug("ShowFolders exists: " + saveFile.toString());
        }

        try {
            InputStream is = null;
            ObjectInput oi = null;
            try {
                is = new FileInputStream(saveFile);
                oi = new ObjectInputStream(is);
                Object newObj = oi.readObject();
                _showFolders = (Boolean) newObj;
                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 {
                saveFile.delete();
            } catch (Exception e2) {
                log.warn("Unable to delete localSaveRepoFile: " + e2.getMessage());
            }
        }
    } else {
        // default to true
        set(true);
    }

}

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

/**
 * Serialize an instance, restore it, and check for equality.
 *//*ww w . j a v a 2 s .  co 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);

}

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