Spring batch writing to multiple files

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I will add more examples when I have time to write them. Unfortunately it's impossible to propose a solution because you didn't describe the requirements of your CSV file. Also, since one person can have multiple addresses and packages, you have to either write multiple rows per person, or transform addresses and packages into strings that are written to the columns of your CSV file. After you have decided how you will solve this problem, you can configure the FlatFileItemWriter bean, and create the required LineAggregator and FieldExtractor objects that help you to extract the input data of your step and create a row that is written to the CSV file.

Can you please let me know a way out. I am not sure what is going on because that particular method is using the varags notation and you should be able to use only one method parameter. Do we need to pre - create the xml file before executing the job itself or is it created automatically?

Is there a way to write own values to header? I tried few things, didn't get it working. It's not possible to write that object as is by using Spring Batch because a BilledOrder object can contain multiple OrderResponse objects. Before you can write that information to a flat file, you have to ensure that a billed order can have only one response.

After you have created this class, you have to ensure that your ItemReader returns FlatBilledOrder objects. Leave a Reply Cancel reply. Home About Me Blog Tutorials. After you have read this blog post, you: Know how you can add a header line to a CSV file. Understand how you can transform your domain object into a line that's written to a CSV file.

Can write the output data of your batch job to a CSV file. This blog post assumes that: You are familiar with Spring Batch You can get the required dependencies with Maven or Gradle. You don't have to: Add a newline character to the header because it's added automatically by Spring Batch.

Flush the Writer. Reply Link. Petri Apr 16, Could you give an example. You are commenting using your WordPress. You are commenting using your Google account. You are commenting using your Twitter account. You are commenting using your Facebook account. Notify me of new comments via email. Notify me of new posts via email. Like this: Like Loading Hi Erick, Please give me your email. I will send over. Hello, So I have slightly different problem, I have 2 writers db writer and file writer.

I was thinking composite item writer but would really value your input. Thanks, my email address is tshah egov. I would prefer to have them separately for better design and configurable. Hi, I am working on similar problem. Hi Swathi, It is such a long time, Let I try to find the source code. If I have it, I will send over. Thanks, Nghia.