I have a list of objects which I want to serialize to json. I am using the following code to do this: it works as expected but in this case if there is an exception the whole list of events would be discarded. What I want is to skip any individual event if it fails to serialize. Plus these are
Tag: serialization
Serialize Object/Object[] entries to gson JsonObject
I am reading a resource from a backend that is giving me an Map of entries. I am iterating these and retriving the values. The type of that value is object or object[], the actual types are common primitives or a Calender class. My target is to create a json response, it should look like this: But I am really
Custom jackson deserializer only for nested class
I have a vehicle Java class defined like this: TimeWindow is defined like this: Now, the JSON I am getting, does not define latitude and longitude for the location (start and end); this information is encoded as just an array, see e.g.: How can I write a custom deserializer for just Location (same problem wit…
How do you restrict custom ObjectMapper serializer to specific generic type
I would like to use a custom serializer for Maps, but only if they are <String, String> maps. I attempted to register a StdSerializer<Map,String, String>> following the advice in this post like so: My Serializer looks as follows: This works fine on Map<String, String> objects, but unfortu…
How to save an image using JFileChooser
Background info: I’ve made a program that uploads an image using JFileChooser and have made fill in the space of the JFrame. My Question: I’ve attempted implementing my method on a save button and so far I can pull up the JFileChooser but it will not actually save the image. So how would I go abou…
How to Serialize and Deserialize multiple objects in Java during runtime
I am creating a Login Form and Sign up Form using JFrames. The problem is every time when the user presses the Sign up button the user details should be serialized and added to the “users.ser” file. And if the user presses the Login button it has to deserialize the data from that file and check fo…
Why do we need serialization if everything is already stored as bits?
From https://docs.oracle.com/javase/tutorial/jndi/objects/serial.html To serialize an object means to convert its state to a byte stream so that the byte stream can be reverted back into a copy of the object. Since everything is stored in memory as 0s and 1s, why is there an additional need to deconstruct an …
Should I implement serialVersionUID in Exception Subclasses?
on a code review I saw Code like this… as I know we need to implement serialVersionUID to be sure that we deserialize same version of an Object as serialized. And if we take a look on Hierarchy of class Exception, we will see there is a implementation of “Serialiazable” interface. But in the…
Set a transient object variable without serializing in Camunda
I have a process in Camunda that doesn’t have any user tasks. Iy has only some service tasks. I want to set a transient Object variable and then get in several tasks and manipulate it but Camunda forces me to make it implement the Serializable interface. My code is: but get the following exception: Is t…
Serialize and Deserialize Binary Tree
I am working on the LeetCode problem 297. Serialize and Deserialize Binary Tree: Serialization is the process of converting a data structure or object into a sequence of bits so that it can be stored in a file or memory buffer, or transmitted across a network connection link to be reconstructed later in the s…