How to read all files in a folder with spring-batch and MultiResourceItemReader?

Question

I want to configure spring-batch to read all csv files inside a specific folder sequentially.

The following does not work because the deleg

Answer 1

Use PathMatchingResourcePatternResolver like this.

@Bean
public ItemReader reader() {
    Resource[] resources = null;
    ResourcePatternResolver patternResolver = new PathMatchingResourcePatternResolver();   
    try {
        resources = patternResolver.getResources("/myfolder/*.csv");
    } catch (IOException e) {
        e.printStackTrace();
    }
    MultiResourceItemReader reader = new MultiResourceItemReader<>();
    reader.setResources(resources);
    reader.setDelegate(new FlatFileItemReader<>(..));
    return reader;

}