1 files changed, 92 insertions, 0 deletions
diff --git a/core/src/main/java/com/android/volley/toolbox/BaseHttpStack.java b/core/src/main/java/com/android/volley/toolbox/BaseHttpStack.java
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index 0000000..99a9899
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+++ b/core/src/main/java/com/android/volley/toolbox/BaseHttpStack.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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 com.android.volley.toolbox;
+
+import com.android.volley.AuthFailureError;
+import com.android.volley.Header;
+import com.android.volley.Request;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.SocketTimeoutException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import org.apache.http.ProtocolVersion;
+import org.apache.http.StatusLine;
+import org.apache.http.entity.BasicHttpEntity;
+import org.apache.http.message.BasicHeader;
+import org.apache.http.message.BasicHttpResponse;
+import org.apache.http.message.BasicStatusLine;
+
+/** An HTTP stack abstraction. */
+@SuppressWarnings("deprecation") // for HttpStack
+public abstract class BaseHttpStack implements HttpStack {
+
+    /**
+     * Performs an HTTP request with the given parameters.
+     *
+     * <p>A GET request is sent if request.getPostBody() == null. A POST request is sent otherwise,
+     * and the Content-Type header is set to request.getPostBodyContentType().
+     *
+     * @param request the request to perform
+     * @param additionalHeaders additional headers to be sent together with {@link
+     *     Request#getHeaders()}
+     * @return the {@link HttpResponse}
+     * @throws SocketTimeoutException if the request times out
+     * @throws IOException if another I/O error occurs during the request
+     * @throws AuthFailureError if an authentication failure occurs during the request
+     */
+    public abstract HttpResponse executeRequest(
+            Request<?> request, Map<String, String> additionalHeaders)
+            throws IOException, AuthFailureError;
+
+    /**
+     * @deprecated use {@link #executeRequest} instead to avoid a dependency on the deprecated
+     *     Apache HTTP library. Nothing in Volley's own source calls this method. However, since
+     *     {@link BasicNetwork#mHttpStack} is exposed to subclasses, we provide this implementation
+     *     in case legacy client apps are dependent on that field. This method may be removed in a
+     *     future release of Volley.
+     */
+    @Deprecated
+    @Override
+    public final org.apache.http.HttpResponse performRequest(
+            Request<?> request, Map<String, String> additionalHeaders)
+            throws IOException, AuthFailureError {
+        HttpResponse response = executeRequest(request, additionalHeaders);
+
+        ProtocolVersion protocolVersion = new ProtocolVersion("HTTP", 1, 1);
+        StatusLine statusLine =
+                new BasicStatusLine(
+                        protocolVersion, response.getStatusCode(), /* reasonPhrase= */ "");
+        BasicHttpResponse apacheResponse = new BasicHttpResponse(statusLine);
+
+        List<org.apache.http.Header> headers = new ArrayList<>();
+        for (Header header : response.getHeaders()) {
+            headers.add(new BasicHeader(header.getName(), header.getValue()));
+        }
+        apacheResponse.setHeaders(headers.toArray(new org.apache.http.Header[0]));
+
+        InputStream responseStream = response.getContent();
+        if (responseStream != null) {
+            BasicHttpEntity entity = new BasicHttpEntity();
+            entity.setContent(responseStream);
+            entity.setContentLength(response.getContentLength());
+            apacheResponse.setEntity(entity);
+        }
+
+        return apacheResponse;
+    }
+}