1 files changed, 54 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/client/DefaultBackoffStrategy.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/client/DefaultBackoffStrategy.java
new file mode 100644
index 000000000..5a5e67caa
--- /dev/null
+++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/client/DefaultBackoffStrategy.java
@@ -0,0 +1,54 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+package ch.boye.httpclientandroidlib.impl.client;
+
+import java.net.ConnectException;
+import java.net.SocketTimeoutException;
+
+import ch.boye.httpclientandroidlib.HttpResponse;
+import ch.boye.httpclientandroidlib.HttpStatus;
+import ch.boye.httpclientandroidlib.client.ConnectionBackoffStrategy;
+
+/**
+ * This {@link ConnectionBackoffStrategy} backs off either for a raw
+ * network socket or connection timeout or if the server explicitly
+ * sends a 503 (Service Unavailable) response.
+ *
+ * @since 4.2
+ */
+public class DefaultBackoffStrategy implements ConnectionBackoffStrategy {
+
+    public boolean shouldBackoff(final Throwable t) {
+        return (t instanceof SocketTimeoutException
+                || t instanceof ConnectException);
+    }
+
+    public boolean shouldBackoff(final HttpResponse resp) {
+        return (resp.getStatusLine().getStatusCode() == HttpStatus.SC_SERVICE_UNAVAILABLE);
+    }
+
+}