Add sample for handling exceptions (Azure#141)

* Add sample for handling exceptions

sdk/search/azure-search/src/samples/java/com/azure/search/HttpResponseExceptionExample.java

@@ -0,0 +1,91 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+package com.azure.search;
+
+import com.azure.core.exception.HttpResponseException;
+import com.azure.core.http.HttpResponse;
+import com.azure.search.models.SearchParameters;
+
+/**
+ * An example that demonstrates how to read exceptions when a
+ * Search Service returns a non successful response (3xx/4xx/5xx).
+ *
+ * This sample makes search request to the service,
+ * applying a "filter" expression containing an invalid index field.
+ *
+ * NOTE: It is assumed you have access to an Azure Search service
+ * and have created an index called "hotels"
+ */
+public class HttpResponseExceptionExample {
+    public static void main(String[] args) {
+        search();
+    }
+
+    private static void search() {
+        SearchIndexClient searchClient = getSearchClient();
+        try {
+            SearchParameters searchParams = new SearchParameters()
+                .setFilter("Non_Existent_Field eq 'Luxury'");
+
+            searchClient.search("hotel", searchParams, null);
+        }
+        catch (HttpResponseException ex) {
+            HttpResponse response = ex.getResponse();
+            System.out.println("Status Code: " + response.getStatusCode());
+            System.out.println("Message: " + response.getBodyAsString().block());
+        }
+    }
+
+    private static SearchIndexClient getSearchClient() {
+        String apiKey = "<apiKey>";
+        String searchServiceName = "<searchServiceName>";
+
+        String dnsSuffix = "search.windows.net";
+        String indexName = "hotels";
+
+        ApiKeyCredentials apiKeyCredentials = new ApiKeyCredentials(apiKey);
+        return new SearchIndexClientBuilder()
+            .serviceName(searchServiceName)
+            .searchDnsSuffix(dnsSuffix)
+            .indexName(indexName)
+            .credential(apiKeyCredentials)
+            .buildClient();
+    }
+
+    /**
+     * Async example
+     * The commented block below demonstrates an Async example of handling Http
+     */
+
+    /*
+    private static void asyncSearch() {
+        SearchIndexAsyncClient client = getSearchAsyncClient();
+        SearchParameters searchParams = new SearchParameters()
+            .setFilter("Non_Existent_Field eq 'Luxury'");
+
+        client.search("hotel", searchParams, null)
+            .doOnError(e -> {
+                HttpResponse response = ((HttpResponseException) e).getResponse();
+                System.out.println("Status Code: " + response.getStatusCode());
+                System.out.println("Message: " + response.getBodyAsString().block());
+            });
+    }
+
+    private static SearchIndexAsyncClient getSearchAsyncClient() {
+        String apiKey = "<apiKey>";
+        String searchServiceName = "<searchServiceName>";
+
+        String dnsSuffix = "search.windows.net";
+        String indexName = "hotels";
+
+        ApiKeyCredentials apiKeyCredentials = new ApiKeyCredentials(apiKey);
+        return new SearchIndexClientBuilder()
+            .serviceName(searchServiceName)
+            .searchDnsSuffix(dnsSuffix)
+            .indexName(indexName)
+            .credential(apiKeyCredentials)
+            .buildAsyncClient();
+    }
+    */
+}