Java Code Examples for com.codename1.io.Util#writeObject()

/**
 * @see com.codename1.io.Externalizable
 */
public void externalize(DataOutputStream out) throws IOException {
    /* 
    Note that ParseRelations are applied on ParseObjects and since only saved
    ParseObjects are serialized by design, the only piece of information 
    needed to reconstruct the relation is the targetClass. However,
    for completeness, we include other fields except the parent since
    serializing the parent will result in an infinite loop. If there's 
    ever a usecase where a ParseRelation is deemed useful outside a ParseObject,
    a smart way to store the parent would be implemented.
    */
    Util.writeUTF(targetClass, out);
    Util.writeUTF(key, out);
    Util.writeObject(setToArray(addedObjects), out);
    Util.writeObject(setToArray(removedObjects), out);
}
 

/**
 * Serializes the contents of the ParseObject in a manner that complies with
 * the {@link com.codename1.io.Externalizable} interface.
 *
 * @param out The data stream to serialize to.
 * @throws IOException if any IO error occurs
 * @throws ParseException if the object is {@link #isDirty() dirty}
 */
public void externalize(DataOutputStream out) throws IOException, ParseException {
    if (isDirty()) {
        throw new ParseException(ParseException.OPERATION_FORBIDDEN,
                "A dirty ParseObject cannot be serialized to storage");
    }
    
    Util.writeUTF(getObjectId(), out);
    Util.writeObject(getCreatedAt(), out);
    Util.writeObject(getUpdatedAt(), out);
    
    // Persist actual data
    out.writeInt(keySet().size());
    for (String key : keySet()) {
        out.writeUTF(key);
        Object value = get(key);
        if (value instanceof ParseObject) {
            value = ((ParseObject)value).asExternalizable();
        } else if (ExternalizableJsonEntity.isExternalizableJsonEntity(value)) {
            value = new ExternalizableJsonEntity(value);
        }
        Util.writeObject(value, out);
    }
}
 

/**
 * {@inheritDoc}
 */
public void externalize(DataOutputStream out) throws IOException {
    Map m = new HashMap();
    m.put("sku", getSku());
    m.put("expiryDate", getExpiryDate());
    m.put("cancellationDate", getCancellationDate());
    m.put("purchaseDate", getPurchaseDate());
    m.put("orderData", getOrderData());
    m.put("transactionId", getTransactionId());
    m.put("quantity", getQuantity());
    m.put("storeCode", getStoreCode());
    m.put("internalId", getInternalId());

    Util.writeObject(m, out);
    
}
 

/**
 * Serializes ParseUser-specific data in addition to regular ParseObject data.
 *
 * @param out The data stream to serialize to.
 * @throws IOException if any IO error occurs
 * @throws ParseException if the object is {@link #isDirty() dirty}
 * @see ParseObject#externalize(java.io.DataOutputStream) 
 */
@Override
public void externalize(DataOutputStream out) throws IOException, ParseException {
    super.externalize(out);
    
    Util.writeUTF(sessionToken, out);
    Util.writeUTF(password, out);
    Util.writeObject(this.equals(current), out);
}
 

/**
 * @see com.codename1.io.Externalizable
 */
public void externalize(DataOutputStream out) throws IOException {
    out.writeBoolean(isDirty());
    Util.writeUTF(getEndPoint(), out);
    Util.writeUTF(getName(), out);
    Util.writeUTF(getUrl(), out);
    Util.writeUTF(getContentType(), out);
    Util.writeObject(data, out);
}
 

/**
 * @see com.codename1.io.Externalizable
 */
public void externalize(DataOutputStream out) throws IOException {
    Util.writeUTF(type.toString(), out);
    if (type == EJsonEntityType.JSON_ARRAY) {
       Util.writeObject(ParseDecoder.convertJSONArrayToList((JSONArray)object), out); 
    } else if (type == EJsonEntityType.JSON_OBJECT) {
       Util.writeObject(ParseDecoder.convertJSONObjectToMap((JSONObject)object), out);
    }
}
 

/**
 * Returns an OK response to the client
 * @param resp the response object
 * @param def the method definition
 * @param response the result from the method
 */
public static void writeResponse(HttpServletResponse resp, WSDefinition def, Externalizable response) throws IOException {
    resp.setStatus(HttpServletResponse.SC_OK);
    DataOutputStream dos = new DataOutputStream(resp.getOutputStream());
    Util.writeObject(response, dos);
    dos.close();
}
 

protected void buildRequestBody(OutputStream os) throws IOException {
    DataOutputStream d = new DataOutputStream(os);
    d.writeInt(storageQueue.size());
    d.writeUTF(CloudPersona.getCurrentPersona().getToken());
    d.writeUTF(Display.getInstance().getProperty("package_name", null));
    d.writeUTF(Display.getInstance().getProperty("built_by_user", null));
    for(int iter = 0 ; iter < storageQueue.size() ; iter++) {
        Object e = storageQueue.elementAt(iter);
        if(e instanceof String) {
            // delete operation
            d.writeByte(1);
            d.writeUTF((String)e);
        } else {
            CloudObject cl = (CloudObject)e;
            if(cl.getCloudId() == null) {
                // insert operation
                d.writeByte(2);
                d.writeInt(cl.getAccessPermissions());
                Util.writeObject(cl.getValues(), d);
            } else {
                // update operation
                d.writeByte(3);
                d.writeUTF(cl.getCloudId());
                d.writeLong(cl.getLastModified());
                Util.writeObject(cl.getValues(), d);
            }
        }
    }
    d.writeInt(1);
}
 

/**
 * {@inheritDoc}
 */
public void externalize(DataOutputStream out) throws IOException {
    Util.writeUTF(cloudId, out);
    out.writeBoolean(owner);
    out.writeByte(getAccessPermissions());
    out.writeLong(lastModified);
    out.writeInt(status);
    Util.writeObject(values, out);
}
 

/**
 * @see com.codename1.io.Externalizable
 */
public void externalize(DataOutputStream out) throws IOException {
    Util.writeObject(getLatitude(), out);
    Util.writeObject(getLongitude(), out);
}
 

/**
 * Returns an externalizable object for serialization of this business object, unlike regular
 * externalizables this implementation is robust to changes, additions and removals of 
 * properties
 * @return an externalizable instance
 */
public Externalizable asExternalizable() {
    return new Externalizable() {
        public int getVersion() {
            return 1;
        }

        public void externalize(DataOutputStream out) throws IOException {
            out.writeInt(getSize());
            for(PropertyBase b : PropertyIndex.this) {
                out.writeUTF(b.getName());
                if(b instanceof CollectionProperty) {
                    out.writeByte(2);
                    Util.writeObject(((CollectionProperty)b).asList(), out);
                    continue;
                }
                if(b instanceof MapProperty) {
                    out.writeByte(3);
                    Util.writeObject(((MapProperty)b).asMap(), out);
                    continue;
                }
                if(b instanceof Property) {
                    out.writeByte(1);
                    Util.writeObject(((Property)b).get(), out);
                    continue;
                }
            }
        }

        public void internalize(int version, DataInputStream in) throws IOException {
            int size = in.readInt();
            for(int iter = 0 ; iter < size ; iter++) {
                String pname = in.readUTF();
                int type = in.readByte();
                Object data = Util.readObject(in);
                PropertyBase pb = get(pname);
                switch(type) {
                    case 1: // Property
                        if(pb instanceof Property) {
                            ((Property)pb).set(data);
                        }
                        break;
                        
                    case 2: // CollectionProperty
                        if(pb instanceof CollectionProperty) {
                            ((CollectionProperty)pb).set((List)data);
                        }
                        break;
                        
                    case 3: // MapProperty
                        if(pb instanceof MapProperty) {
                            ((MapProperty)pb).setMap((Map)data);
                        }
                        break;
                }
            }
        }

        public String getObjectId() {
            return getName();
        }
    };
}