Add method to DracoonClient to set HTTP timeouts

See: #SDKJAVA-32

src/main/java/com/dracoon/sdk/DracoonClient.java

@@ -354,6 +354,9 @@ public interface Shares {
     protected String mEncryptionPassword;
 
     protected boolean mIsHttpRetryEnabled;
+    protected int mHttpConnectTimeout;
+    protected int mHttpReadTimeout;
+    protected int mHttpWriteTimeout;
 
     /**
      * Constructs a new Dracoon client.
@@ -473,6 +476,9 @@ public Builder(String serverUrl) {
             mClient = new DracoonClientImpl(serverUrl);
 
             mClient.mIsHttpRetryEnabled = false;
+            mClient.mHttpConnectTimeout = 15;
+            mClient.mHttpReadTimeout = 15;
+            mClient.mHttpWriteTimeout = 15;
         }
 
         /**
@@ -527,6 +533,25 @@ public Builder httpRetryEnabled(boolean isHttpRetryEnabled) {
             return this;
         }
 
+        /**
+         * Sets HTTP timeouts. A value of 0 means no timeout.<br>
+         * <br>
+         * The HTTP timeouts are set to 15 seconds by default.
+         *
+         * @param httpConnectTimeout The connect timeout for new connections in seconds.
+         * @param httpReadTimeout    The read timeout for new connections in seconds.
+         * @param httpWriteTimeout   The write timeout for new connections in seconds.
+         *
+         * @return a reference to this object
+         */
+        public Builder httpTimeout(int httpConnectTimeout, int httpReadTimeout,
+                int httpWriteTimeout) {
+            mClient.mHttpConnectTimeout = httpConnectTimeout;
+            mClient.mHttpReadTimeout = httpReadTimeout;
+            mClient.mHttpWriteTimeout = httpWriteTimeout;
+            return this;
+        }
+
         /**
          * Creates a new {@link DracoonClient} instance with the supplied configuration.
          *

src/main/java/com/dracoon/sdk/internal/DracoonClientImpl.java

@@ -74,9 +74,9 @@ public void init() {
 
     private void initOkHttp() {
         OkHttpClient.Builder builder = new OkHttpClient.Builder();
-        builder.connectTimeout(15, TimeUnit.SECONDS);
-        builder.readTimeout(15, TimeUnit.SECONDS);
-        builder.writeTimeout(15, TimeUnit.SECONDS);
+        builder.connectTimeout(mHttpConnectTimeout, TimeUnit.SECONDS);
+        builder.readTimeout(mHttpReadTimeout, TimeUnit.SECONDS);
+        builder.writeTimeout(mHttpWriteTimeout, TimeUnit.SECONDS);
         builder.retryOnConnectionFailure(false);
         mOkHttpClient = builder.build();
     }