Example usage for java.io DataInputStream readLong

Introduction

In this page you can find the example usage for java.io DataInputStream readLong.

Prototype

public final long readLong() throws IOException 

Source Link

Document

See the general contract of the readLong method of DataInput.

Usage

From source file:mitm.common.security.password.PBEncryptionParameters.java

private void fromByteArray(byte[] encoded) throws IOException {
    ByteArrayInputStream bis = new ByteArrayInputStream(encoded);

    DataInputStream in = new DataInputStream(bis);

    long version = in.readLong();

    if (version != serialVersionUID) {
        throw new SerializationException("Version expected '" + serialVersionUID + "' but got '" + version);
    }/*from w ww.  j  av  a2  s .  c  om*/

    int saltSize = in.readInt();

    this.salt = new byte[saltSize];

    in.readFully(salt);

    this.iterationCount = in.readInt();

    int encryptedSize = in.readInt();

    this.encryptedData = new byte[encryptedSize];

    in.readFully(encryptedData);
}

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From source file:org.calrissian.accumulorecipes.commons.support.qfd.KeyToAttributeStoreWholeColFXform.java

@Override
public V apply(Map.Entry<Key, Value> keyValueEntry) {
    try {//from w w  w.ja v a  2 s .  c  o m

        B entry = null;

        List<Map.Entry<Key, Value>> groupedKVs = decodeRow(keyValueEntry.getKey(), keyValueEntry.getValue());

        for (Map.Entry<Key, Value> groupedEvent : groupedKVs) {

            String[] colQParts = splitPreserveAllTokens(groupedEvent.getKey().getColumnQualifier().toString(),
                    NULL_BYTE);
            String[] aliasValue = splitPreserveAllTokens(colQParts[1], ONE_BYTE);
            String visibility = groupedEvent.getKey().getColumnVisibility().toString();

            try {
                ByteArrayInputStream bais = new ByteArrayInputStream(groupedEvent.getValue().get());
                DataInputStream dis = new DataInputStream(bais);
                dis.readLong(); // minimum expiration of keys and values
                long timestamp = dis.readLong();

                if (entry == null)
                    entry = buildEntryFromKey(
                            new Key(keyValueEntry.getKey().getRow(), keyValueEntry.getKey().getColumnFamily(),
                                    keyValueEntry.getKey().getColumnQualifier(), timestamp));

                int length = dis.readInt();
                byte[] metaBytes = new byte[length];
                dis.readFully(metaBytes);

                Map<String, String> meta = metadataSerDe.deserialize(metaBytes);
                Map<String, String> metadata = (length == 0 ? new HashMap<String, String>()
                        : new HashMap<String, String>(meta));
                setVisibility(metadata, visibility);
                Attribute attribute = new Attribute(colQParts[0],
                        typeRegistry.decode(aliasValue[0], aliasValue[1]), metadata);
                entry.attr(attribute);
            } catch (Exception e) {
                log.error("There was an error deserializing the metadata for a attribute", e);
            }
        }

        return entry.build();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

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From source file:org.nuxeo.apidoc.introspection.BundleIdReader.java

public synchronized void load(File file) {
    DataInputStream in = null;
    try {//from w  w  w. ja  v a  2s .c o m
        in = new DataInputStream(new BufferedInputStream(new FileInputStream(file)));
        count = in.readLong();
        int size = in.readInt();
        for (int i = 0; i < size; i++) {
            String key = in.readUTF();
            long id = in.readLong();
            ids.put(key, Long.valueOf(id));
        }
    } catch (FileNotFoundException e) {
        // do nothing - this is the first time the runtime is started
    } catch (IOException e) {
        log.error("The bundle.ids file is corrupted. Resetting bundle ids.");
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
            }
        }
    }
}

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From source file:org.jenkinsci.plugins.workflow.support.pickles.serialization.RiverReader.java

private int parseHeader(DataInputStream din) throws IOException {
    if (din.readLong() != RiverWriter.HEADER)
        throw new IOException("Invalid stream header");

    short v = din.readShort();
    if (v != 1)//from  w w  w .j  a va  2  s .  co m
        throw new IOException("Unexpected stream version: " + v);

    return din.readInt();
}

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From source file:de.iritgo.aktario.jdbc.JDBCIDGenerator.java

/**
 * Read the object attributes from an input stream.
 *
 * @param stream The input stream.//w w w .j a v  a 2  s. c o m
 */
public void readObject(InputStream stream) throws IOException, ClassNotFoundException {
    DataInputStream dataStream = new DataInputStream(stream);

    id = dataStream.readLong();
}

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From source file:org.nuxeo.osgi.BundleIdGenerator.java

public synchronized void load(File file) {
    DataInputStream in = null;
    try {//w  w  w  .  j  a v a 2s.  c o m
        in = new DataInputStream(new BufferedInputStream(new FileInputStream(file)));
        count = in.readLong();
        int size = in.readInt();
        for (int i = 0; i < size; i++) {
            String key = in.readUTF();
            long id = in.readLong();
            ids.put(key, id);
        }
    } catch (FileNotFoundException e) {
        // do nothing - this is the first time the runtime is started
    } catch (IOException e) {
        // may be the file is corrupted
        file.delete();
        log.error("The bundle.ids file is corrupted. reseting bundle ids.");
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
            }
        }
    }
}

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From source file:org.hydracache.server.data.versioning.IncrementVersionFactory.java

@Override
public Version readObject(final DataInputStream dataIn) throws IOException {
    Validate.notNull(dataIn, "dataIn can not be null");

    final Identity nodeId = getIdentityMarshaller().readObject(dataIn);
    final long value = dataIn.readLong();

    return new Increment(nodeId, value);
}

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From source file:com.csipsimple.backup.SipProfilesHelper.java

@Override
public void performBackup(ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState) {
    boolean forceBackup = (oldState == null);

    long fileModified = databaseFile.lastModified();
    try {/*from w w  w  . j a v a 2 s  .c  o  m*/
        if (!forceBackup) {
            FileInputStream instream = new FileInputStream(oldState.getFileDescriptor());
            DataInputStream in = new DataInputStream(instream);
            long lastModified = in.readLong();
            in.close();

            if (lastModified < fileModified) {
                forceBackup = true;
            }
        }
    } catch (IOException e) {
        Log.e(THIS_FILE, "Cannot manage previous local backup state", e);
        forceBackup = true;
    }

    Log.d(THIS_FILE, "Will backup profiles ? " + forceBackup);
    if (forceBackup) {
        JSONArray accountsSaved = SipProfileJson.serializeSipProfiles(mContext);
        try {
            writeData(data, accountsSaved.toString());
        } catch (IOException e) {
            Log.e(THIS_FILE, "Cannot manage remote backup", e);
        }
    }

    try {
        FileOutputStream outstream = new FileOutputStream(newState.getFileDescriptor());
        DataOutputStream out = new DataOutputStream(outstream);
        out.writeLong(fileModified);
        out.close();
    } catch (IOException e) {
        Log.e(THIS_FILE, "Cannot manage final local backup state", e);
    }
}

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From source file:com.csipsimple.backup.SipSharedPreferencesHelper.java

@Override
public void performBackup(ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState) {
    boolean forceBackup = (oldState == null);

    long fileModified = 1;
    if (prefsFiles != null) {
        fileModified = prefsFiles.lastModified();
    }/*w  w  w. jav a  2 s . co  m*/
    try {
        if (!forceBackup) {
            FileInputStream instream = new FileInputStream(oldState.getFileDescriptor());
            DataInputStream in = new DataInputStream(instream);
            long lastModified = in.readLong();
            in.close();

            if (lastModified < fileModified) {
                forceBackup = true;
            }
        }
    } catch (IOException e) {
        Log.e(THIS_FILE, "Cannot manage previous local backup state", e);
        forceBackup = true;
    }

    Log.d(THIS_FILE, "Will backup profiles ? " + forceBackup);
    if (forceBackup) {
        JSONObject settings = SipProfileJson.serializeSipSettings(mContext);
        try {
            writeData(data, settings.toString());
        } catch (IOException e) {
            Log.e(THIS_FILE, "Cannot manage remote backup", e);
        }
    }

    try {
        FileOutputStream outstream = new FileOutputStream(newState.getFileDescriptor());
        DataOutputStream out = new DataOutputStream(outstream);
        out.writeLong(fileModified);
        out.close();
    } catch (IOException e) {
        Log.e(THIS_FILE, "Cannot manage final local backup state", e);
    }

}

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From source file:org.apache.hadoop.hdfs.server.namenode.AvatarNodeNew.java

/**
 * Reads the timestamp of the last checkpoint from the remote fstime file.
 *//*from   w w  w  .  ja va 2 s  .c om*/
static long readRemoteFstime(Configuration conf) throws IOException {
    String edit = null;
    if (instance == InstanceId.NODEZERO) {
        edit = conf.get("dfs.name.edits.dir.shared1");
    } else if (instance == InstanceId.NODEONE) {
        edit = conf.get("dfs.name.edits.dir.shared0");
    } else {
        LOG.info("Instance is invalid. " + instance);
        throw new IOException("Instance is invalid. " + instance);
    }
    File timeFile = new File(edit + TIMEFILE);
    long timeStamp = 0L;
    DataInputStream in = null;
    try {
        in = new DataInputStream(new FileInputStream(timeFile));
        timeStamp = in.readLong();
    } catch (IOException e) {
        if (!timeFile.exists()) {
            String msg = "Error reading checkpoint time file " + timeFile + " file does not exist.";
            LOG.error(msg);
            throw new IOException(msg + e);
        } else if (!timeFile.canRead()) {
            String msg = "Error reading checkpoint time file " + timeFile + " cannot read file of size "
                    + timeFile.length() + " last modified "
                    + dateForm.format(new Date(timeFile.lastModified()));
            LOG.error(msg);
            throw new IOException(msg + e);
        } else {
            String msg = "Error reading checkpoint time file " + timeFile;
            LOG.error(msg);
            throw new IOException(msg + e);
        }
    } finally {
        if (in != null) {
            in.close();
        }
    }
    return timeStamp;
}

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