Added project

src/main/java/ru/resprojects/linkchecker/web/rest/GraphRestController.java

@@ -0,0 +1,90 @@
+package ru.resprojects.linkchecker.web.rest;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder;
+import ru.resprojects.linkchecker.dto.GraphDto;
+import ru.resprojects.linkchecker.services.GraphService;
+
+import javax.validation.Valid;
+import java.net.URI;
+import java.util.Set;
+
+/**
+ * REST controller for work with data graph in generally
+ */
+@Validated
+@RestController
+@RequestMapping(value = GraphRestController.REST_URL, produces = MediaType.APPLICATION_JSON_VALUE)
+public class GraphRestController {
+
+    private static final Logger LOG = LoggerFactory.getLogger(GraphRestController.class);
+
+    public static final String REST_URL = "/rest/v1/graph";
+
+    private GraphService graphService;
+
+    @Autowired
+    public GraphRestController(final GraphService graphService) {
+        this.graphService = graphService;
+    }
+
+    @RequestMapping(method = RequestMethod.OPTIONS)
+    public ResponseEntity<?> options() {
+        return ResponseEntity
+            .ok()
+            .allow(HttpMethod.GET, HttpMethod.POST, HttpMethod.DELETE, HttpMethod.OPTIONS)
+            .build();
+    }
+
+    @GetMapping
+    public ResponseEntity<GraphDto> get() {
+        LOG.info("Getting graph");
+        return ResponseEntity.ok(this.graphService.get());
+    }
+
+    @GetMapping(value = "/export", produces = MediaType.TEXT_HTML_VALUE)
+    public ResponseEntity<String> exportToGraphViz() {
+        LOG.info("Export graph to GraphViz format");
+        return ResponseEntity.ok(this.graphService.exportToGraphViz());
+    }
+
+    @PostMapping(value = "/checkroute", produces = MediaType.TEXT_HTML_VALUE, consumes = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<String> checkRoute(@RequestBody Set<String> nodeNames) {
+        LOG.info("Checking route for nodes " + nodeNames.toString());
+        return ResponseEntity.ok(this.graphService.checkRoute(nodeNames));
+    }
+
+    @PostMapping(value = "/create", consumes = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<GraphDto> create(@RequestBody @Valid GraphDto graph) {
+        LOG.info("Creating new graph");
+        GraphDto created = graphService.create(graph);
+        URI uri = MvcUriComponentsBuilder.fromController(getClass())
+            .path(REST_URL)
+            .buildAndExpand()
+            .toUri();
+        return ResponseEntity.created(uri).body(created);
+    }
+
+    @DeleteMapping
+    @ResponseStatus(value = HttpStatus.NO_CONTENT)
+    public void delete() {
+        LOG.info("Removing graph");
+        graphService.clear();
+    }
+
+}