chore: Add metadata field to GoogleJsonError ErrorInfo class.

google-api-client/src/main/java/com/google/api/client/googleapis/json/GoogleJsonError.java

@@ -22,9 +22,11 @@
 import com.google.api.client.util.Data;
 import com.google.api.client.util.Key;
 import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
 import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
+import java.util.Map;
 
 /**
  * Data class representing the Google JSON error response content, as documented for example in <a
@@ -191,6 +193,7 @@ public static class Details extends GenericJson {
  @Key private String detail;
  @Key private String reason;
  @Key private List<ParameterViolations> parameterViolations;
+ @Key private Map<String, String> metadata;
 
  public String getType() {
  return type;
@@ -228,6 +231,14 @@ public List<ParameterViolations> getParameterViolations() {
  public void setParameterViolations(List<ParameterViolations> parameterViolations) {
  this.parameterViolations = ImmutableList.copyOf(parameterViolations);
  }
+
+ public Map<String, String> getMetadata() {
+ return metadata;
+ }
+
+ public void setMetadata(Map<String, String> metadata) {
+ this.metadata = ImmutableMap.copyOf(metadata);
+ }
  }
 
  public static class ParameterViolations {

google-api-client/src/test/java/com/google/api/client/googleapis/json/GoogleJsonErrorTest.java

@@ -27,8 +27,10 @@
 import com.google.api.client.testing.http.MockHttpTransport;
 import com.google.api.client.testing.http.MockLowLevelHttpRequest;
 import com.google.api.client.testing.http.MockLowLevelHttpResponse;
+import com.google.common.collect.ImmutableMap;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.util.Map;
 import junit.framework.TestCase;
 
 /**
@@ -199,4 +201,25 @@ public void testParse_withReasonInDetails() throws Exception {
  JSON_PARSER.parse(DETAILS_ERROR), JSON_PARSER.parse(FACTORY.toString(errorResponse)));
  assertNotNull(errorResponse.getDetails().get(2).getReason());
  }
+
+ public void testParse_withMetadataInDetails() throws Exception {
+ InputStream errorContent =
+ GoogleJsonErrorTest.class.getResourceAsStream("errorWithMetadataInDetails.json");
+
+ HttpTransport transport =
+ new ErrorTransport(
+ new MockLowLevelHttpResponse()
+ .setContent(errorContent)
+ .setContentType(Json.MEDIA_TYPE)
+ .setStatusCode(HttpStatusCodes.STATUS_CODE_FORBIDDEN));
+ HttpRequest request =
+ transport.createRequestFactory().buildGetRequest(HttpTesting.SIMPLE_GENERIC_URL);
+ request.setThrowExceptionOnExecuteError(false);
+ HttpResponse response = request.execute();
+ com.google.api.client.googleapis.json.GoogleJsonError errorResponse =
+ com.google.api.client.googleapis.json.GoogleJsonError.parse(FACTORY, response);
+
+ Map<String, String> metadata = errorResponse.getDetails().get(0).getMetadata();
+ assertEquals(metadata, ImmutableMap.of("service", "translate.googleapis.com"));
+ }
 }

google-api-client/src/test/resources/com/google/api/client/googleapis/json/errorWithMetadataInDetails.json

@@ -0,0 +1,17 @@
+{
+ "error": {
+ "code": 400,
+ "message": "API key not valid. Please pass a valid API key.",
+ "status": "INVALID_ARGUMENT",
+ "details": [
+ {
+ "@type": "type.googleapis.com/google.rpc.ErrorInfo",
+ "reason": "API_KEY_INVALID",
+ "domain": "googleapis.com",
+ "metadata": {
+ "service": "translate.googleapis.com"
+ }
+ }
+ ]
+ }
+}