jersey get all endpoints

gistfile1.txt

/**
 *
 */
package com.technoactivity.mymo.resource.external;

import com.sun.jersey.api.model.AbstractResource;
import com.sun.jersey.api.model.AbstractResourceMethod;
import com.sun.jersey.api.model.AbstractSubResourceMethod;
import com.sun.jersey.server.impl.modelapi.annotation.IntrospectionModeller;
import com.technoactivity.mymo.resource.BaseResource;
import com.wordnik.swagger.annotations.Api;
import com.wordnik.swagger.annotations.ApiOperation;
import org.codehaus.jackson.node.ArrayNode;
import org.codehaus.jackson.node.JsonNodeFactory;
import org.codehaus.jackson.node.ObjectNode;

import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

/**
 * @author cromero from stackoverflow
 * 
 */
@Path("/")
@Api(value = "/", description = "Transacion payment Order")
public class BaseResourceImpl extends BaseResource {
	


	@GET
	@Path("/")
	@Consumes(MediaType.APPLICATION_JSON)
	@Produces(MediaType.APPLICATION_JSON)
	@ApiOperation(value = "Get a payment order", authorizations = "ALL")
	public Response showAll( @Context Application application)
	{
		String basePath = "/";

		ObjectNode root = JsonNodeFactory.instance.objectNode();
		ArrayNode resources = JsonNodeFactory.instance.arrayNode();

		root.put( "resources", resources );

		for ( Class<?> aClass : application.getClasses() )
		{
			if ( isAnnotatedResourceClass( aClass ) )
			{
				AbstractResource resource = IntrospectionModeller.createResource( aClass );
				ObjectNode resourceNode = JsonNodeFactory.instance.objectNode();
				String uriPrefix = resource.getPath().getValue();

				for ( AbstractSubResourceMethod srm : resource.getSubResourceMethods() )
				{
					String uri = uriPrefix + "/" + srm.getPath().getValue();
					addTo( resourceNode, uri, srm, joinUri(basePath, uri) );
				}

				for ( AbstractResourceMethod srm : resource.getResourceMethods() )
				{
					addTo( resourceNode, uriPrefix, srm, joinUri( basePath, uriPrefix ) );
				}

				resources.add( resourceNode );
			}

		}


		return Response.ok().entity( root ).build();
	}

	private void addTo( ObjectNode resourceNode, String uriPrefix, AbstractResourceMethod srm, String path )
	{
		if ( resourceNode.get( uriPrefix ) == null )
		{
			ObjectNode inner = JsonNodeFactory.instance.objectNode();
			inner.put("path", path);
			inner.put("verbs", JsonNodeFactory.instance.arrayNode());
			resourceNode.put( uriPrefix, inner );
		}

		((ArrayNode) resourceNode.get( uriPrefix ).get("verbs")).add( srm.getHttpMethod() );
	}

	public static String joinUri( String... parts )
	{
		StringBuilder result = new StringBuilder();
		for ( String part : parts )
		{
			if ( result.length() > 0 && result.charAt( result.length() - 1 ) == '/' )
			{
				result.setLength( result.length() - 1 );
			}
			if ( result.length() > 0 && !part.startsWith( "/" ) )
			{
				result.append( '/' );
			}
			result.append( part );
		}
		return result.toString();
	}


	private boolean isAnnotatedResourceClass( Class rc )
	{
		if ( rc.isAnnotationPresent( Path.class ) )
		{
			return true;
		}

		for ( Class i : rc.getInterfaces() )
		{
			if ( i.isAnnotationPresent( Path.class ) )
			{
				return true;
			}
		}

		return false;
	}
}