Revert "Modularization: removing old src. See #5"

This reverts commit 533435a.

Author: enridaga

src/main/java/uk/ac/open/kmi/basil/AbstractResource.java

@@ -0,0 +1,70 @@
+package uk.ac.open.kmi.basil;
+
+import java.net.HttpURLConnection;
+import java.net.URI;
+
+import javax.servlet.ServletContext;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.ResponseBuilder;
+import javax.ws.rs.core.UriInfo;
+
+import uk.ac.open.kmi.basil.store.Store;
+
+public class AbstractResource {
+
+	@Context
+	protected HttpHeaders requestHeaders;
+
+	@Context
+	protected UriInfo requestUri;
+
+	@Context
+	protected ServletContext context;
+
+	protected final ResponseBuilder addHeaders(ResponseBuilder builder,
+			String id) {
+		URI api = requestUri.getBaseUriBuilder().path(id).path("api").build();
+		URI spec = requestUri.getBaseUriBuilder().path(id).path("spec").build();
+//		URI store = requestUri.getBaseUriBuilder().path(id).path("store")
+//				.build();
+		URI views = requestUri.getBaseUriBuilder().path(id).path("view")
+				.build();
+		URI swagger = requestUri.getBaseUriBuilder().path(id).path("api-docs")
+				.build();
+		URI docs = requestUri.getBaseUriBuilder().path(id).path("docs")
+				.build();
+		builder.header(Headers.Api, api);
+		builder.header(Headers.Spec, spec);
+		// builder.header(Headers.Store, store); XXX Not implemented Yet
+		builder.header(Headers.View, views);
+		builder.header(Headers.Docs, docs);
+		builder.header(Headers.Swagger, swagger);
+		return builder;
+	}
+
+	protected final String getParameterOrHeader(String parameter,
+			boolean mandatory) {
+		String value = requestUri.getQueryParameters().getFirst(parameter);
+		if (value == null) {
+			if (requestHeaders.getHeaderString(Headers.getHeader(parameter)) == null) {
+				throw new WebApplicationException(Response
+						.status(HttpURLConnection.HTTP_BAD_REQUEST)
+						.header(Headers.Error,
+								Headers.getHeader(parameter)
+										+ " (or query parameter '" + parameter
+										+ "') missing.").build());
+			} else {
+				value = requestHeaders.getHeaderString(Headers
+						.getHeader(parameter));
+			}
+		}
+		return value;
+	}
+
+	protected Store getDataStore() {
+		return (Store) context.getAttribute(BasilApplication.Registry.Store);
+	}
+}

src/main/java/uk/ac/open/kmi/basil/ApiDocsResource.java

@@ -0,0 +1,54 @@
+package uk.ac.open.kmi.basil;
+
+import java.io.IOException;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.ResponseBuilder;
+
+import org.json.simple.JSONObject;
+
+import uk.ac.open.kmi.basil.doc.Doc;
+import uk.ac.open.kmi.basil.sparql.Specification;
+import uk.ac.open.kmi.basil.store.Store;
+import uk.ac.open.kmi.basil.swagger.SwaggerJsonBuilder;
+
+import com.wordnik.swagger.annotations.Api;
+import com.wordnik.swagger.annotations.ApiOperation;
+import com.wordnik.swagger.annotations.ApiResponse;
+import com.wordnik.swagger.annotations.ApiResponses;
+
+
+@Path("{id:([^/]+)}/api-docs")
+@Api(value = "/basil", description = "BASIL operations")
+public class ApiDocsResource extends AbstractResource {
+	
+	@GET
+	@Produces("application/json")
+	@ApiOperation(value = "Generates API Swagger Description")
+    @ApiResponses(value = {
+    		@ApiResponse(code = 200, message = "OK"),
+    		@ApiResponse(code = 500, message = "Internal error") 
+    })
+	public Response get(@PathParam("id") String id) {
+		try {
+			Store store = getDataStore();
+			if (!store.existsSpec(id)) {
+				return Response.status(404).build();
+			}
+
+			Specification specification = store.loadSpec(id);
+			Doc docs = store.loadDoc(id);
+			JSONObject o = SwaggerJsonBuilder.build(id, specification, docs, requestUri.getBaseUri().toString());
+			ResponseBuilder builder = Response.ok(o.toJSONString());
+			addHeaders(builder, id);
+			return builder.build();
+		} catch (IOException e) {
+			throw new WebApplicationException(e);
+		}
+	}
+}