Example usage for java.io ObjectInputStream readInt

Introduction

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

Prototype

public int readInt() throws IOException 

Source Link

Document

Reads a 32 bit int.

Usage

From source file:org.eclipse.wb.internal.core.utils.IOUtils2.java

/**
 * @return the byte[] array, read length and then bytes.
 *///from   ww w  .j  av a 2s .com
public static byte[] readByteArray(ObjectInputStream ois) throws IOException {
    int length = ois.readInt();
    byte[] bytes = new byte[length];
    ois.readFully(bytes);
    return bytes;
}

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From source file:org.apache.falcon.state.store.jdbc.BeanMapperUtil.java

/**
 * Converts instance entry of DB to instance of ExecutionInstance.
 * @param instanceBean/*  ww w  .  j  av a2  s.c  o  m*/
 * @return
 * @throws StateStoreException
 * @throws IOException
 */
public static InstanceState convertToInstanceState(InstanceBean instanceBean)
        throws StateStoreException, IOException {
    EntityType entityType = InstanceID.getEntityType(instanceBean.getId());
    ExecutionInstance executionInstance = getExecutionInstance(entityType, instanceBean);
    if (instanceBean.getActualEndTime() != null) {
        executionInstance.setActualEnd(new DateTime(instanceBean.getActualEndTime().getTime()));
    }
    if (instanceBean.getActualStartTime() != null) {
        executionInstance.setActualStart(new DateTime(instanceBean.getActualStartTime().getTime()));
    }
    executionInstance.setExternalID(instanceBean.getExternalID());
    executionInstance.setInstanceSequence(instanceBean.getInstanceSequence());

    byte[] result = instanceBean.getAwaitedPredicates();
    List<Predicate> predicates = new ArrayList<>();
    if (result != null && result.length != 0) {
        ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(result);
        ObjectInputStream in = null;
        try {
            in = new ObjectInputStream(byteArrayInputStream);
            int length = in.readInt();
            for (int i = 0; i < length; i++) {
                Predicate predicate = (Predicate) in.readObject();
                predicates.add(predicate);
            }
        } catch (ClassNotFoundException e) {
            throw new IOException(e);
        } finally {
            IOUtils.closeQuietly(in);
        }
    }
    executionInstance.setAwaitingPredicates(predicates);
    InstanceState instanceState = new InstanceState(executionInstance);
    instanceState.setCurrentState(InstanceState.STATE.valueOf(instanceBean.getCurrentState()));
    return instanceState;
}

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From source file:org.aksw.dice.eaglet.uri.impl.FileBasedCachingUriCheckerManager.java

public static ObjectLongOpenHashMap<String> readCacheFile(File cacheFile) {
    if (!cacheFile.exists() || cacheFile.isDirectory()) {
        return null;
    }/* w  w  w .j  ava 2  s .  co m*/
    FileInputStream fin = null;
    ObjectInputStream oin = null;
    try {
        fin = new FileInputStream(cacheFile);
        oin = new ObjectInputStream(fin);
        // first, read the number of URIs
        int count = oin.readInt();
        String uri;
        ObjectLongOpenHashMap<String> cache = new ObjectLongOpenHashMap<String>(2 * count);
        for (int i = 0; i < count; ++i) {
            uri = (String) oin.readObject();
            cache.put(uri, oin.readLong());
        }
        return cache;
    } catch (Exception e) {
        LOGGER.error("Exception while reading cache file.", e);
    } finally {
        IOUtils.closeQuietly(oin);
        IOUtils.closeQuietly(fin);
    }
    return null;
}

---

From source file:Main.java

/**
 * Reads a <code>Stroke</code> object that has been serialised by the
 * {@link SerialUtilities#writeStroke(Stroke, ObjectOutputStream)} method.
 *
 * @param stream  the input stream (<code>null</code> not permitted).
 *
 * @return The stroke object (possibly <code>null</code>).
 *
 * @throws IOException  if there is an I/O problem.
 * @throws ClassNotFoundException  if there is a problem loading a class.
 */// w w  w .j  a va 2s.  c  o  m
public static Stroke readStroke(final ObjectInputStream stream) throws IOException, ClassNotFoundException {

    if (stream == null) {
        throw new IllegalArgumentException("Null 'stream' argument.");
    }
    Stroke result = null;
    final boolean isNull = stream.readBoolean();
    if (!isNull) {
        final Class c = (Class) stream.readObject();
        if (c.equals(BasicStroke.class)) {
            final float width = stream.readFloat();
            final int cap = stream.readInt();
            final int join = stream.readInt();
            final float miterLimit = stream.readFloat();
            final float[] dash = (float[]) stream.readObject();
            final float dashPhase = stream.readFloat();
            result = new BasicStroke(width, cap, join, miterLimit, dash, dashPhase);
        } else {
            result = (Stroke) stream.readObject();
        }
    }
    return result;

}

---

From source file:Main.java

public static Stroke readStroke(ObjectInputStream in) throws IOException, ClassNotFoundException {
    boolean wroteStroke = in.readBoolean();
    if (wroteStroke) {
        boolean serializedStroke = in.readBoolean();
        if (serializedStroke) {
            return (Stroke) in.readObject();
        } else {//from  ww w.  j  av a2s .  c  o  m
            float[] dash = null;
            int dashLength = in.read();

            if (dashLength != 0) {
                dash = new float[dashLength];
                for (int i = 0; i < dashLength; i++) {
                    dash[i] = in.readFloat();
                }
            }

            float lineWidth = in.readFloat();
            int endCap = in.readInt();
            int lineJoin = in.readInt();
            float miterLimit = in.readFloat();
            float dashPhase = in.readFloat();

            return new BasicStroke(lineWidth, endCap, lineJoin, miterLimit, dash, dashPhase);
        }
    } else {
        return null;
    }
}

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From source file:Main.java

/**
 * Reads a <code>AttributedString</code> object that has been serialised by
 * the {@link SerialUtilities#writeAttributedString(AttributedString,
 * ObjectOutputStream)} method./*from   w  w  w. j av  a2  s.c o  m*/
 *
 * @param stream  the input stream (<code>null</code> not permitted).
 *
 * @return The attributed string object (possibly <code>null</code>).
 *
 * @throws IOException  if there is an I/O problem.
 * @throws ClassNotFoundException  if there is a problem loading a class.
 */
public static AttributedString readAttributedString(ObjectInputStream stream)
        throws IOException, ClassNotFoundException {

    if (stream == null) {
        throw new IllegalArgumentException("Null 'stream' argument.");
    }
    AttributedString result = null;
    final boolean isNull = stream.readBoolean();
    if (!isNull) {
        // read string and attributes then create result
        String plainStr = (String) stream.readObject();
        result = new AttributedString(plainStr);
        char c = stream.readChar();
        int start = 0;
        while (c != CharacterIterator.DONE) {
            int limit = stream.readInt();
            Map atts = (Map) stream.readObject();
            result.addAttributes(atts, start, limit);
            start = limit;
            c = stream.readChar();
        }
    }
    return result;
}

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From source file:org.hibernate.engine.ActionQueue.java

/**
 * Used by the owning session to explicitly control deserialization of the
 * action queue/*  w  w  w.j  av a2 s .  c  o  m*/
 *
 * @param ois The stream from which to read the action queue
 *
 * @throws IOException
 */
public static ActionQueue deserialize(ObjectInputStream ois, SessionImplementor session)
        throws IOException, ClassNotFoundException {
    log.trace("deserializing action-queue");
    ActionQueue rtn = new ActionQueue(session);

    int queueSize = ois.readInt();
    log.trace("starting deserialization of [" + queueSize + "] insertions entries");
    rtn.insertions = new ArrayList(queueSize);
    for (int i = 0; i < queueSize; i++) {
        rtn.insertions.add(ois.readObject());
    }

    queueSize = ois.readInt();
    log.trace("starting deserialization of [" + queueSize + "] deletions entries");
    rtn.deletions = new ArrayList(queueSize);
    for (int i = 0; i < queueSize; i++) {
        rtn.deletions.add(ois.readObject());
    }

    queueSize = ois.readInt();
    log.trace("starting deserialization of [" + queueSize + "] updates entries");
    rtn.updates = new ArrayList(queueSize);
    for (int i = 0; i < queueSize; i++) {
        rtn.updates.add(ois.readObject());
    }

    queueSize = ois.readInt();
    log.trace("starting deserialization of [" + queueSize + "] collectionUpdates entries");
    rtn.collectionUpdates = new ArrayList(queueSize);
    for (int i = 0; i < queueSize; i++) {
        rtn.collectionUpdates.add(ois.readObject());
    }

    queueSize = ois.readInt();
    log.trace("starting deserialization of [" + queueSize + "] collectionRemovals entries");
    rtn.collectionRemovals = new ArrayList(queueSize);
    for (int i = 0; i < queueSize; i++) {
        rtn.collectionRemovals.add(ois.readObject());
    }

    queueSize = ois.readInt();
    log.trace("starting deserialization of [" + queueSize + "] collectionCreations entries");
    rtn.collectionCreations = new ArrayList(queueSize);
    for (int i = 0; i < queueSize; i++) {
        rtn.collectionCreations.add(ois.readObject());
    }
    return rtn;
}

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From source file:com.projity.pm.task.TaskSnapshot.java

public static TaskSnapshot deserialize(ObjectInputStream s, NormalTask hasAssignments)
        throws IOException, ClassNotFoundException {
    TaskSnapshot t = new TaskSnapshot();
    TaskSchedule schedule = TaskSchedule.deserialize(s);
    schedule.setTask(hasAssignments);//from w w w.  jav a 2  s . com
    t.setCurrentSchedule(schedule);
    t.hasAssignments = new HasAssignmentsImpl();//(HasAssignments)s.readObject();

    t.setFixedCost(s.readDouble());
    t.setFixedCostAccrual(s.readInt());
    t.setIgnoreResourceCalendar(s.readBoolean());

    if (hasAssignments.getVersion() >= 2) {
        t.hasAssignments.setSchedulingType(s.readInt());
        t.hasAssignments.setEffortDriven(s.readBoolean());
    }
    return t;
}

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From source file:org.apache.flink.api.common.accumulators.ListAccumulator.java

@Override
public void read(ObjectInputStream in) throws IOException {
    int numItems = in.readInt();
    for (int i = 0; i < numItems; i++) {
        int len = in.readInt();
        byte[] obj = new byte[len];
        in.read(obj);/*from   ww  w . j a  v a2s . co m*/
        localValue.add(obj);
    }
}

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From source file:org.apache.openjpa.lib.util.LRUMap.java

protected void doReadObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
    _max = in.readInt();
    super.doReadObject(in);
}

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