Add method getAllHeaders to HttpUrlRequest.

components/cronet/android/org_chromium_net_UrlRequest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/cronet/android/org_chromium_net_UrlRequest.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/macros.h"
 #include "components/cronet/android/url_request_context_peer.h"
 #include "components/cronet/android/url_request_peer.h"
 #include "jni/UrlRequest_jni.h"
 #include "net/base/net_errors.h"
 #include "net/base/request_priority.h"
+#include "net/http/http_response_headers.h"
 
 using base::android::ConvertUTF8ToJavaString;
 
 namespace cronet {
 namespace {
 
 net::RequestPriority ConvertRequestPriority(jint request_priority) {
   switch (request_priority) {
     case REQUEST_PRIORITY_IDLE:
       return net::IDLE;
@@ skipping 275 matching lines @@
 
   std::string name_string = base::android::ConvertJavaStringToUTF8(env, name);
   std::string value = request->GetHeader(name_string);
   if (!value.empty()) {
     return ConvertUTF8ToJavaString(env, value.c_str()).Release();
   } else {
     return NULL;
   }
 }
 
+static void GetAllHeaders(JNIEnv* env,
+                          jobject object,
+                          jlong urlRequestPeer,
+                          jobject headersMap) {
+  URLRequestPeer* request = reinterpret_cast<URLRequestPeer*>(urlRequestPeer);
+  if (request == NULL)
+    return;
+
+  net::HttpResponseHeaders* headers = request->GetResponseHeaders();
+  if (headers == NULL)
+    return;
+
+  void* iter = NULL;
+  std::string header_name;
+  std::string header_value;
+  while (headers->EnumerateHeaderLines(&iter, &header_name, &header_value)) {
+    ScopedJavaLocalRef<jstring> name =
+        ConvertUTF8ToJavaString(env, header_name);
+    ScopedJavaLocalRef<jstring> value =
+        ConvertUTF8ToJavaString(env, header_value);
+    Java_UrlRequest_onAppendResponseHeader(
+        env, object, headersMap, name.Release(), value.Release());
+  }
+
+  // Some implementations (notably HttpURLConnection) include a mapping for the
+  // null key; in HTTP's case, this maps to the HTTP status line.

[mmenke, 2014/08/05 17:34:05]

Should this be documented in HttpUrlRequest?

[mef, 2014/08/05 17:55:09]

Done.

+  ScopedJavaLocalRef<jstring> status_line =
+      ConvertUTF8ToJavaString(env, headers->GetStatusLine());
+  Java_UrlRequest_onAppendResponseHeader(
+      env, object, headersMap, NULL, status_line.Release());
+}
+
 }  // namespace cronet