Fix the swagger.json Bug

Change-Id: I6c701582026e57ed72cd1f33e4a4a648b19b3224
Issue-ID: HOLMES-68
Signed-off-by: Guangrong Fu <fu.guangrong@zte.com.cn>

diff --git a/engine-d/src/main/java/org/onap/holmes/engine/resources/SwaggerResource.java b/engine-d/src/main/java/org/onap/holmes/engine/resources/SwaggerResource.java
new file mode 100644 (file)
index 0000000..6bc68c5
--- /dev/null
+++ b/engine-d/src/main/java/org/onap/holmes/engine/resources/SwaggerResource.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2017 ZTE Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onap.holmes.engine.resources;
+
+import io.swagger.annotations.Api;
+import io.swagger.annotations.SwaggerDefinition;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.URL;
+import java.net.URLDecoder;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import lombok.extern.slf4j.Slf4j;
+import org.jvnet.hk2.annotations.Service;
+
+@Service
+@Path("/swagger.json")
+@Produces(MediaType.APPLICATION_JSON)
+@Slf4j
+public class SwaggerResource {
+
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
+    public String getSwaggerJson() {
+        URL url = SwaggerResource.class.getResource("/swagger.json");
+        String ret = "{}";
+        try {
+            System.out.println(URLDecoder.decode(url.getPath(), "UTF-8"));
+            File file = new File(URLDecoder.decode(url.getPath(), "UTF-8"));
+
+            BufferedReader br = new BufferedReader(new FileReader(file));
+            StringBuffer buffer = new StringBuffer();
+            String line = " ";
+            while ((line = br.readLine()) != null) {
+                buffer.append(line);
+            }
+            ret = buffer.toString();
+        } catch (FileNotFoundException e) {
+            log.warn("Failed to read the API description file.");
+        } catch (IOException e) {
+            log.warn("An error occurred while reading swagger.json.");
+        }
+        return ret;
+    }
+}