While reading a record from a file, processing already read record, or writing a record to a file, exceptions happens. Sometimes the exceptions are not so serious and we can skip it. We can configure the Spring Batch to skip the current record if an exception happens. As shown below XML code 1 <batch:job id=”importEmployees”>…… Continue reading Skipping records during record reading, processing or writing
Author: sumanthprabhakar
JCache EternalExpiryPolicy Example
This post explains EternalExpiryPolicy with simple example. EternalExpiryPolicy is an expiry policy used to inform cache to never remove entries in the cache. Below is an example of how to use it. Main Code 1 import java.util.Iterator; 2 3 import javax.cache.Cache; 4 import javax.cache.Cache.Entry; 5 import javax.cache.CacheManager; 6 import javax.cache.Caching; 7 import javax.cache.configuration.Factory; 8 import…… Continue reading JCache EternalExpiryPolicy Example
Serializing Java object to YAML format
In this post under YamlBeans, I will show with an example of how to serialize a Java object to YAML format. Below is the complete code Main Code 1 import java.io.File; 2 import java.io.FileWriter; 3 import java.io.IOException; 4 import java.util.ArrayList; 5 import java.util.List; 6 7 import com.esotericsoftware.yamlbeans.YamlWriter; 8 9 public class YamlDemo1 { 10 public…… Continue reading Serializing Java object to YAML format
Annotation Since and setVersion method
In this post under Gson, I will explain with an example how to use @Since annotation. The @Since annotation is used in combination with “GsonBuilder.setVersion” method. The annotation has no effect if it is not used along with “GsonBuilder.setVersion” method. The @Since annotation is used for the fields of the class and it accepts a…… Continue reading Annotation Since and setVersion method
Annotation Until and setVersion method
In this post under Gson, I will explain with an example how to use @Until annotation. The @Until annotation is used in combination with “GsonBuilder.setVersion” method. The annotation has no effect if it is not used along with “GsonBuilder.setVersion” method. The @Until annotation is used for the fields of the class and it accepts a…… Continue reading Annotation Until and setVersion method
FieldNamingStrategy Example
In my previous post “FieldNamingPolicy Example”, I explained with an example how to change the naming convention using out of the box provided standard naming conventions. In this post, I will explain with an example how to create your own custom naming conventions and configure the Gson to use it. To create our own custom…… Continue reading FieldNamingStrategy Example
FieldNamingPolicy Example
In this post under Gson, I will show how to change the naming convention of field names when serialized to JSON format. I will show how to change the naming convention from out of the box provided standard naming conventions. Gson out of the box provides the below naming conventions as part of the enum…… Continue reading FieldNamingPolicy Example
Configuring Gson to serialize objects with fields having null value
Whenever we serialize a java object to JSON using Gson framework, by default fields with null values are ignored. As shown in the below code Main code import com.google.gson.Gson; public class GsonDemo7 { public static void main(String[] args) { Student student = new Student(); student.setId(1); student.setName(“name1”); student.setRollnum(100); student.setDate(null); Gson gson = new Gson(); String result…… Continue reading Configuring Gson to serialize objects with fields having null value
Using Custom DateFormat
In this post, under GSON, I will explain how to use custom date format when serializing Java object containing date information to json format. We can change this format globally, globally meaning the custom format will be applied to all objects that are serialized using Gson instance, created using the custom date format. Below is…… Continue reading Using Custom DateFormat
Configuring Gson object
In this post under GSON, I will explain how to configure the Gson instance. In all my previous post under GSON, I used to create a Gson instance by using the below code snippet. Gson gson = new Gson(); With this instance we used convert java object to and from JSON format. This instance comes…… Continue reading Configuring Gson object
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