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.artistech.tuio.mouse.ZeroMqMouse.java

/**
 * Main entry point for ZeroMQ integration.
 *
 * @param args//from  w  ww  . j av a2  s. com
 * @throws AWTException
 * @throws java.io.IOException
 */
public static void main(String[] args) throws AWTException, java.io.IOException {
    //read off the TUIO port from the command line
    String zeromq_port;

    Options options = new Options();
    options.addOption("z", "zeromq-port", true, "ZeroMQ Server:Port to subscribe to. (-z localhost:5565)");
    options.addOption("h", "help", false, "Show this message.");
    HelpFormatter formatter = new HelpFormatter();

    try {
        CommandLineParser parser = new org.apache.commons.cli.BasicParser();
        CommandLine cmd = parser.parse(options, args);

        if (cmd.hasOption("help")) {
            formatter.printHelp("tuio-mouse-driver", options);
            return;
        } else {
            if (cmd.hasOption("z") || cmd.hasOption("zeromq-port")) {
                zeromq_port = cmd.getOptionValue("z");
            } else {
                System.err.println("The zeromq-port value must be specified.");
                formatter.printHelp("tuio-mouse-driver", options);
                return;
            }
        }
    } catch (ParseException ex) {
        System.err.println("Error Processing Command Options:");
        formatter.printHelp("tuio-mouse-driver", options);
        return;
    }

    //load conversion services
    ServiceLoader<ProtoConverter> services = ServiceLoader.load(ProtoConverter.class);

    //create zeromq context
    ZMQ.Context context = ZMQ.context(1);

    // Connect our subscriber socket
    ZMQ.Socket subscriber = context.socket(ZMQ.SUB);
    subscriber.setIdentity(ZeroMqMouse.class.getName().getBytes());

    //this could change I guess so we can get different data subscrptions.
    subscriber.subscribe("TuioCursor".getBytes());
    //        subscriber.subscribe("TuioTime".getBytes());
    subscriber.connect("tcp://" + zeromq_port);

    System.out.println("Subscribed to " + zeromq_port + " for ZeroMQ messages.");

    // Get updates, expect random Ctrl-C death
    String msg = "";
    MouseDriver md = new MouseDriver();
    while (!msg.equalsIgnoreCase("END")) {
        boolean success = false;
        byte[] recv = subscriber.recv();

        com.google.protobuf.GeneratedMessage message = null;
        TuioPoint pt = null;
        String type = recv.length > 0 ? new String(recv) : "";
        recv = subscriber.recv();
        switch (type) {
        case "TuioCursor.PROTOBUF":
            try {
                //it is a cursor?
                message = com.artistech.protobuf.TuioProtos.Cursor.parseFrom(recv);
                success = true;
            } catch (Exception ex) {
            }
            break;
        case "TuioTime.PROTOBUF":
            //                    try {
            //                        //it is a cursor?
            //                        message = com.artistech.protobuf.TuioProtos.Time.parseFrom(recv);
            //                        success = true;
            //                    } catch (Exception ex) {
            //                    }
            break;
        case "TuioObject.PROTOBUF":
            try {
                //it is a cursor?
                message = com.artistech.protobuf.TuioProtos.Object.parseFrom(recv);
                success = true;
            } catch (Exception ex) {
            }
            break;
        case "TuioBlob.PROTOBUF":
            try {
                //it is a cursor?
                message = com.artistech.protobuf.TuioProtos.Blob.parseFrom(recv);
                success = true;
            } catch (Exception ex) {
            }
            break;
        case "TuioCursor.JSON":
            try {
                //it is a cursor?
                pt = mapper.readValue(recv, TUIO.TuioCursor.class);
                success = true;
            } catch (Exception ex) {
            }
            break;
        case "TuioTime.JSON":
            //                    try {
            //                        //it is a cursor?
            //                        pt = mapper.readValue(recv, TUIO.TuioTime.class);
            //                        success = true;
            //                    } catch (Exception ex) {
            //                    }
            break;
        case "TuioObject.JSON":
            try {
                //it is a cursor?
                pt = mapper.readValue(recv, TUIO.TuioObject.class);
                success = true;
            } catch (Exception ex) {
            }
            break;
        case "TuioBlob.JSON":
            try {
                //it is a cursor?
                pt = mapper.readValue(recv, TUIO.TuioBlob.class);
                success = true;
            } catch (Exception ex) {
            }
            break;
        case "TuioTime.OBJECT":
            break;
        case "TuioCursor.OBJECT":
        case "TuioObject.OBJECT":
        case "TuioBlob.OBJECT":
            try {
                //Try reading the data as a serialized Java object:
                try (ByteArrayInputStream bis = new ByteArrayInputStream(recv)) {
                    //Try reading the data as a serialized Java object:
                    ObjectInput in = new ObjectInputStream(bis);
                    Object o = in.readObject();
                    //if it is of type Point (Cursor, Object, Blob), process:
                    if (TuioPoint.class.isAssignableFrom(o.getClass())) {
                        pt = (TuioPoint) o;
                        process(pt, md);
                    }

                    success = true;
                }
            } catch (java.io.IOException | ClassNotFoundException ex) {
            } finally {
            }
            break;
        default:
            success = false;
            break;
        }

        if (message != null && success) {
            //ok, so we have a message that is not null, so it was protobuf:
            Object o = null;

            //look for a converter that will suppor this objec type and convert:
            for (ProtoConverter converter : services) {
                if (converter.supportsConversion(message)) {
                    o = converter.convertFromProtobuf(message);
                    break;
                }
            }

            //if the type is of type Point (Cursor, Blob, Object), process:
            if (o != null && TuioPoint.class.isAssignableFrom(o.getClass())) {
                pt = (TuioPoint) o;
            }
        }

        if (pt != null) {
            process(pt, md);
        }
    }
}

---

From source file:Main.java

public static Object convertFromBytes(byte[] bytes) throws IOException, ClassNotFoundException {
    try {/*  w  ww .j  a v a2s.c  o m*/
        ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
        ObjectInput in = new ObjectInputStream(bis);
        return in.readObject();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

---

From source file:org.apache.hadoop.mapred.lib.instanceapi.SerializableUtil.java

@SuppressWarnings("unchecked")
public static <T> T deserializeObject(Configuration conf, String objectPropertyName) {
    try {//from w  w w. j a  v  a  2  s.  com
        String base64 = conf.get(objectPropertyName);
        byte[] raw = Base64.decodeBase64(base64.getBytes());
        ByteArrayInputStream inBytes = new ByteArrayInputStream(raw);
        ObjectInput in = new ObjectInputStream(inBytes);
        T obj = (T) in.readObject();
        if (obj instanceof Configurable) {
            ((Configurable) obj).setConf(conf);
        }
        if ((obj instanceof JobConfigurable) && (conf instanceof JobConf)) {
            ((JobConfigurable) obj).configure((JobConf) conf);
        }
        return obj;
    } catch (IOException e) {
        throw new IllegalStateException(e);
    } catch (ClassNotFoundException e) {
        throw new IllegalStateException(e);
    }
}

---

From source file:Main.java

public static Object fromByteArray(byte[] inputBytes) {
    Object obj = null;//from   w w w  . j  a v a2s.c  om
    ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(inputBytes);
    ObjectInput objIn = null;
    try {
        objIn = new ObjectInputStream(byteArrayInputStream);
        obj = objIn.readObject();
    } catch (java.io.IOException ioe) {
        return null;
    } catch (java.lang.ClassNotFoundException cnfe) {
        return null;
    } finally {
        try {
            byteArrayInputStream.close();
            objIn.close();
        } catch (java.io.IOException closeIOE) {

        }
    }
    return obj;
}

---

From source file:Main.java

/**
 * Convert bytes array to object.//  w w  w . j a  v a  2  s  . c  o m
 *
 * @param bytes object bytes
 * @param <T> object class
 * @return object
 */
public static <T> T fromBytes(byte[] bytes) {
    Object result = null;
    ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
    ObjectInput in = null;
    try {
        in = new ObjectInputStream(bis);
        result = in.readObject();
    } catch (IOException | ClassNotFoundException e) {
        throw new RuntimeException(e);
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (Exception e) {
            }
        }
        if (bis != null) {
            try {
                bis.close();
            } catch (Exception e) {
            }
        }
    }
    return (T) result;
}

---

From source file:Main.java

public static Object deserialize(byte[] bytes) {
    ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
    ObjectInput in = null;
    Object o = null;//from w  ww.  j  av a 2s . c  o  m
    try {
        in = new ObjectInputStream(bis);
        o = in.readObject();
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            bis.close();
        } catch (IOException ex) {
            // ignore close exception
        }
        try {
            if (in != null) {
                in.close();
            }
        } catch (IOException ex) {
            // ignore close exception
        }
    }
    return o;
}

---

From source file:org.apache.stratos.autoscaler.util.Deserializer.java

/**
 * Deserialize a byte array and retrieve the object.
 * @param bytes bytes to be deserialized
 * @return the deserialized {@link Object}
 * @throws Exception if the deserialization is failed.
 *///from www . j  av a 2  s  . c  o  m
public static Object deserializeFromByteArray(byte[] bytes) throws Exception {

    ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
    ObjectInput in = null;
    try {
        in = new ObjectInputStream(bis);
        Object o = in.readObject();

        return o;

    } finally {
        bis.close();
        if (in != null) {
            in.close();
        }
    }
}

---

From source file:net.ulno.jpunch.util.Util.java

/**
 * Deserializes Object from byte array.//from   w  w  w. ja v  a  2s  .c o  m
 * @throws IOException 
 * @throws StreamCorruptedException 
 * @throws ClassNotFoundException 
 */
public static Object deserializeObject(byte[] serializedObj)
        throws StreamCorruptedException, IOException, ClassNotFoundException {
    InputStream is = new ByteArrayInputStream(serializedObj);
    ObjectInput oi;
    oi = new ObjectInputStream(is);
    return oi.readObject();
}

---

From source file:com.mobicage.rogerthat.mfr.dal.Streamable.java

protected static Object fromBase64(String base64String) {
    try {//from  ww  w .ja  va2  s.co m
        ByteArrayInputStream bis = new ByteArrayInputStream(Base64.decodeBase64(base64String));

        try {
            ZipInputStream zip = new ZipInputStream(bis);
            try {
                zip.getNextEntry();
                ObjectInput in = new ObjectInputStream(zip);
                try {
                    return in.readObject();
                } finally {
                    in.close();
                }
            } finally {
                zip.close();
            }
        } finally {
            bis.close();
        }
    } catch (ClassNotFoundException e) {
        log.log((Level.SEVERE), "ClassNotFoundException while deserializing member", e);
        return null;
    } catch (IOException e) {
        log.log((Level.SEVERE), "IOException while deserializing member", e);
        return null;
    }
}

---

From source file:com.abcseo.comments.dao.RepositoryTreapImpl.java

private static Object bytes2Object(byte[] bytes) {
    ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
    Object o = null;/*  w  w  w .ja v  a2 s.c  o m*/
    try {
        ObjectInput in = new ObjectInputStream(bis);
        o = in.readObject();
    } catch (Exception e) {
        // TODO Auto-generated catch block
    }
    return o;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• »