Update MRI projects for Aluminium
[netconf.git] / restconf / sal-rest-docgen / src / main / java / org / opendaylight / netconf / sal / rest / doc / impl / ApiDocServiceImpl.java
index f309982e54bceb9a1c0d060ae6ba9c69b949f0d4..377059638658c421454b4f34298b42b0cc8096bb 100644 (file)
@@ -7,19 +7,15 @@
  */
 package org.opendaylight.netconf.sal.rest.doc.impl;
 
-import com.fasterxml.jackson.core.JsonFactory;
-import com.fasterxml.jackson.core.JsonGenerator;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.OutputStreamWriter;
-import java.io.UnsupportedEncodingException;
-import java.nio.charset.StandardCharsets;
-import java.util.Map.Entry;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.UriInfo;
 import org.opendaylight.netconf.sal.rest.doc.api.ApiDocService;
 import org.opendaylight.netconf.sal.rest.doc.mountpoints.MountPointSwagger;
 import org.opendaylight.netconf.sal.rest.doc.swagger.ApiDeclaration;
+import org.opendaylight.netconf.sal.rest.doc.swagger.MountPointInstance;
 import org.opendaylight.netconf.sal.rest.doc.swagger.ResourceList;
 
 /**
@@ -37,10 +33,27 @@ import org.opendaylight.netconf.sal.rest.doc.swagger.ResourceList;
  */
 public class ApiDocServiceImpl implements ApiDocService {
 
-    private static final ApiDocService INSTANCE = new ApiDocServiceImpl();
+    public static final int DEFAULT_PAGESIZE = 20;
+    // Query parameter
+    private static final String TOTAL_PAGES = "totalPages";
+    private static final String PAGE_NUM = "pageNum";
 
-    public static ApiDocService getInstance() {
-        return INSTANCE;
+    public enum URIType { RFC8040, DRAFT02 }
+
+    private final MountPointSwagger mountPointSwaggerDraft02;
+    private final MountPointSwagger mountPointSwaggerRFC8040;
+    private final ApiDocGeneratorDraftO2 apiDocGeneratorDraft02;
+    private final ApiDocGeneratorRFC8040 apiDocGeneratorRFC8040;
+
+    public ApiDocServiceImpl(MountPointSwaggerGeneratorDraft02 mountPointSwaggerGeneratorDraft02,
+            MountPointSwaggerGeneratorRFC8040 mountPointSwaggerGeneratorRFC8040,
+            ApiDocGeneratorDraftO2 apiDocGeneratorDraft02, ApiDocGeneratorRFC8040 apiDocGeneratorRFC8040) {
+        this.mountPointSwaggerDraft02 =
+                Objects.requireNonNull(mountPointSwaggerGeneratorDraft02).getMountPointSwagger();
+        this.mountPointSwaggerRFC8040 =
+                Objects.requireNonNull(mountPointSwaggerGeneratorRFC8040).getMountPointSwagger();
+        this.apiDocGeneratorDraft02 = Objects.requireNonNull(apiDocGeneratorDraft02);
+        this.apiDocGeneratorRFC8040 = Objects.requireNonNull(apiDocGeneratorRFC8040);
     }
 
     /**
@@ -50,13 +63,12 @@ public class ApiDocServiceImpl implements ApiDocService {
      */
     @Override
     public synchronized Response getRootDoc(final UriInfo uriInfo) {
-        final ApiDocGenerator generator = ApiDocGenerator.getInstance();
-        if (isNew(uriInfo)) {
-            generator.setDraft(true);
+        final ResourceList rootDoc;
+        if (isNew(uriInfo).equals(URIType.RFC8040)) {
+            rootDoc = apiDocGeneratorRFC8040.getResourceListing(uriInfo, URIType.RFC8040);
         } else {
-            generator.setDraft(false);
+            rootDoc = apiDocGeneratorDraft02.getResourceListing(uriInfo, URIType.DRAFT02);
         }
-        final ResourceList rootDoc = generator.getResourceListing(uriInfo);
 
         return Response.ok(rootDoc).build();
     }
@@ -66,13 +78,13 @@ public class ApiDocServiceImpl implements ApiDocService {
      */
     @Override
     public synchronized Response getDocByModule(final String module, final String revision, final UriInfo uriInfo) {
-        final ApiDocGenerator generator = ApiDocGenerator.getInstance();
-        if (isNew(uriInfo)) {
-            generator.setDraft(true);
+        final ApiDeclaration doc;
+        if (isNew(uriInfo).equals(URIType.RFC8040)) {
+            doc = apiDocGeneratorRFC8040.getApiDeclaration(module, revision, uriInfo, URIType.RFC8040);
         } else {
-            generator.setDraft(false);
+            doc = apiDocGeneratorDraft02.getApiDeclaration(module, revision, uriInfo, URIType.DRAFT02);
         }
-        final ApiDeclaration doc = generator.getApiDeclaration(module, revision, uriInfo);
+
         return Response.ok(doc).build();
     }
 
@@ -86,38 +98,43 @@ public class ApiDocServiceImpl implements ApiDocService {
 
     @Override
     public synchronized Response getListOfMounts(final UriInfo uriInfo) {
-        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        try (OutputStreamWriter streamWriter = new OutputStreamWriter(baos, StandardCharsets.UTF_8)) {
-            JsonGenerator writer = new JsonFactory().createGenerator(streamWriter);
-            writer.writeStartArray();
-            for (final Entry<String, Long> entry : MountPointSwagger.getInstance().getInstanceIdentifiers()
-                    .entrySet()) {
-                writer.writeStartObject();
-                writer.writeObjectField("instance", entry.getKey());
-                writer.writeObjectField("id", entry.getValue());
-                writer.writeEndObject();
-            }
-            writer.writeEndArray();
-            writer.flush();
-        } catch (IOException e) {
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build();
-        }
-
-        try {
-            String responseStr = baos.toString(StandardCharsets.UTF_8.name());
-            return Response.status(Response.Status.OK).entity(responseStr).build();
-        } catch (UnsupportedEncodingException e) {
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build();
+        final MountPointSwagger mountPointSwagger;
+        if (isNew(uriInfo).equals(URIType.RFC8040)) {
+            mountPointSwagger = mountPointSwaggerRFC8040;
+        } else {
+            mountPointSwagger = mountPointSwaggerDraft02;
         }
+        final List<MountPointInstance> entity = mountPointSwagger
+                .getInstanceIdentifiers().entrySet().stream()
+                .map(MountPointInstance::new).collect(Collectors.toList());
+        return Response.ok(entity).build();
     }
 
     @Override
     public synchronized Response getMountRootDoc(final String instanceNum, final UriInfo uriInfo) {
         final ResourceList resourceList;
-        if (isNew(uriInfo)) {
-            resourceList = MountPointSwagger.getInstanceDraft18().getResourceList(uriInfo, Long.parseLong(instanceNum));
+
+        if (uriInfo.getQueryParameters().getFirst(TOTAL_PAGES) != null) {
+            if (isNew(uriInfo).equals(URIType.RFC8040)) {
+                resourceList = mountPointSwaggerRFC8040.getResourceList(uriInfo, Long.parseLong(instanceNum),
+                    URIType.RFC8040);
+            } else {
+                resourceList = mountPointSwaggerDraft02.getResourceList(uriInfo, Long.parseLong(instanceNum),
+                    URIType.DRAFT02);
+            }
+            int size = resourceList.getApis().size();
+            return Response.ok(size % DEFAULT_PAGESIZE == 0 ? size / DEFAULT_PAGESIZE
+                    : size / DEFAULT_PAGESIZE + 1).build();
+        }
+
+        final int pageNum = Integer.parseInt(uriInfo.getQueryParameters().getFirst(PAGE_NUM));
+
+        if (isNew(uriInfo).equals(URIType.RFC8040)) {
+            resourceList = mountPointSwaggerRFC8040.getResourceList(uriInfo, Long.parseLong(instanceNum), pageNum,
+                false, URIType.RFC8040);
         } else {
-            resourceList = MountPointSwagger.getInstance().getResourceList(uriInfo, Long.parseLong(instanceNum));
+            resourceList = mountPointSwaggerDraft02.getResourceList(uriInfo, Long.parseLong(instanceNum), pageNum,
+                false, URIType.DRAFT02);
         }
         return Response.ok(resourceList).build();
     }
@@ -126,17 +143,20 @@ public class ApiDocServiceImpl implements ApiDocService {
     public synchronized Response getMountDocByModule(final String instanceNum, final String module,
             final String revision, final UriInfo uriInfo) {
         final ApiDeclaration api;
-        if (isNew(uriInfo)) {
-            api = MountPointSwagger.getInstanceDraft18().getMountPointApi(uriInfo, Long.parseLong(instanceNum), module,
-                    revision);
+        if (isNew(uriInfo).equals(URIType.RFC8040)) {
+            api = mountPointSwaggerRFC8040
+                .getMountPointApi(uriInfo, Long.parseLong(instanceNum), module, revision, URIType.RFC8040);
         } else {
-            api = MountPointSwagger.getInstance().getMountPointApi(uriInfo, Long.parseLong(instanceNum), module,
-                    revision);
+            api = mountPointSwaggerDraft02
+                .getMountPointApi(uriInfo, Long.parseLong(instanceNum), module, revision, URIType.DRAFT02);
         }
         return Response.ok(api).build();
     }
 
-    private static boolean isNew(final UriInfo uriInfo) {
-        return uriInfo.getBaseUri().toString().contains("/18/");
+    private static URIType isNew(final UriInfo uriInfo) {
+        if (uriInfo.getBaseUri().toString().contains("/18/")) {
+            return URIType.RFC8040;
+        }
+        return URIType.DRAFT02;
     }
 }