Remove weather lookup example (#4772)

Ref #4769

Cargo.toml

@@ -25,10 +25,6 @@ members = [
   "oak_functions/examples/echo/module",
   "oak_functions/examples/invalid_module/module",
   "oak_functions/examples/key_value_lookup/module",
-  "oak_functions/examples/weather_lookup/module",
-  "oak_functions/load_test",
-  "oak_functions/location_utils",
-  "oak_functions/lookup_data_checker",
   "oak_functions/lookup_data_generator",
   "oak_functions_abi",
   "oak_functions_client",
@@ -91,7 +87,6 @@ codegen-units = 1
 # Declare workspace-wide dependencies so that they don't need to use relative paths to refer to each other, and they are always kept in sync.
 # Local crates.
 benchmark = { path = "./oak_functions/examples/benchmark/module" }
-location_utils = { path = "./oak_functions/location_utils" }
 micro_rpc = { path = "./micro_rpc" }
 micro_rpc_build = { path = "./micro_rpc_build" }
 oak_attestation = { path = "./oak_attestation" }

java/src/main/java/com/google/oak/client/weather_lookup_client/BUILD → java/src/main/java/com/google/oak/client/oak_functions_client/BUILD

@@ -21,9 +21,9 @@ package(
 )
 
 java_binary(
-    name = "weather_lookup_client",
+    name = "oak_functions_client",
     srcs = ["Main.java"],
-    main_class = "com.google.oak.client.weather_lookup_client.Main",
+    main_class = "com.google.oak.client.oak_functions_client.Main",
     deps = [
         "//java/src/main/java/com/google/oak/client",
         "//java/src/main/java/com/google/oak/remote_attestation:insecure_attestation_verifier",

java/src/main/java/com/google/oak/client/weather_lookup_client/Main.java → java/src/main/java/com/google/oak/client/oak_functions_client/Main.java

@@ -14,7 +14,7 @@
 // limitations under the License.
 //
 
-package com.google.oak.client.weather_lookup_client;
+package com.google.oak.client.oak_functions_client;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
 
@@ -30,14 +30,13 @@
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.time.Clock;
+import java.util.Arrays;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
 public class Main {
   private static Logger logger = Logger.getLogger(Main.class.getName());
   private static final String EMPTY_API_KEY = "";
-  private static final String EXPECTED_RESPONSE_PATTERN =
-      "\\{\"temperature_degrees_celsius\":.*\\}";
 
   public static void main(String[] args) throws Exception {
     // Create a gRPC channel.
@@ -56,21 +55,20 @@ public static void main(String[] args) throws Exception {
         OakClient.create(transport, new InsecureAttestationVerifier(), Clock.systemUTC());
     OakClient<GrpcStreamingTransport> oakClient = oakClientCreateResult.unwrap("creating client");
 
-    // Test request coordinates are defined in `oak_functions/lookup_data_generator/src/data.rs`.
-    byte[] requestBody = "{\"lat\":0,\"lng\":0}".getBytes(UTF_8);
+    byte[] requestBody = "test data".getBytes(UTF_8);
     Result<byte[], Exception> oakClientInvokeResult = oakClient.invoke(requestBody);
     byte[] responseWrapperBytes = oakClientInvokeResult.unwrap("invoking client");
     ResponseWrapper responseWrapper = ResponseWrapper.parseFrom(responseWrapperBytes);
     logger.log(Level.INFO, "Client received response wrapper: " + responseWrapper.toString());
-    String decodedResponse =
-        new String(responseWrapper.getBody().toByteArray(), StandardCharsets.UTF_8);
+    byte[] responseBody = responseWrapper.getBody().toByteArray();
 
-    if (decodedResponse.matches(EXPECTED_RESPONSE_PATTERN)) {
-      logger.log(Level.INFO, "Client received the expected response: " + decodedResponse);
+    if (Arrays.equals(responseBody, requestBody)) {
+      logger.log(
+          Level.INFO, "Client received the expected response: " + Arrays.toString(responseBody));
     } else {
       logger.log(Level.INFO,
-          String.format(
-              "Expected pattern %s, received %s.", EXPECTED_RESPONSE_PATTERN, decodedResponse));
+          String.format("Expected response %s, received %s.", Arrays.toString(requestBody),
+              Arrays.toString(responseBody)));
       System.exit(1);
     }
   }

java/src/main/java/com/google/oak/client/oak_functions_client/README.md

@@ -0,0 +1,9 @@
+# Java Oak Functions Client
+
+This in the Java version of the Oak Functions Client.
+
+Build and run the client with the following command:
+
+```bash
+bazel run //java/src/main/java/com/google/oak/client/oak_functions_client -- http://localhost:8080
+```