Service Chainer

Quickly and easily chain multiple service calls together with the ability to manipulate each input payload using templates.

Currently Supports

Special Template Input Constants

document (Freemarker/Velocity). Represents incoming data payload json
JSONUtils (Velocity). Helper class used to output Java Map to JSON.
Integer (Velocity). java.lang.Integer static class
Double (Velocity). java.lang.Double static class
Float (Velocity). java.lang.Float static class
Boolean (Velocity). java.lang.Boolean static class

Notes

To develop service chains with a UI interface, see this project: https://github.com/orange451/ServiceChainerApp

Sample Template Transformation

import java.util.Map;

import dev.anarchy.common.DServiceDefinition;
import dev.anarchy.translate.runner.BasicServiceChainRunner;
import dev.anarchy.translate.util.JSONUtils;
import dev.anarchy.translate.util.TranslateType;

public class SampleApplication {
	
	private static final String template = "{\"user\":\"${document.Username}\"}";
	
	private static final String data = "{\"Username\":\"Hello\"}";
	
	public static void main(String[] args) {
		
		System.out.println("Template:\n" + template);
		System.out.println("Data:\n" + data);
		
		// Create Service Definition
		DServiceDefinition serviceDefinition = new DServiceDefinition();
		serviceDefinition.setTransformationType(TranslateType.FREEMARKER.getName());
		serviceDefinition.setTemplateContent(template);

		// Create a runner and test service definition
		Map<String, Object> input = JSONUtils.jsonToMap(data);
		Map<String, Object> output = null;
		try {
			BasicServiceChainRunner runner = new BasicServiceChainRunner(null);
			output = runner.transformSingle(serviceDefinition, input, false);
		} catch(Exception e) {
			e.printStackTrace();
		}
		
		// View output
		System.out.println("Output:\n" + JSONUtils.mapToJson(output));
	}
}