Hack collection.

– MyJsonRpcHttpClient: A JsonRpcHttpClient that uses Apache
  HttpComponents because of a HttpURLConnection bug in Android 2.2.
  Receives hack status because of nasty overloading.

– Log4j-android doesn't like printing stack traces – convert them to
  string before logging.

3 files changed, 92 insertions, 3 deletions

diff --git a/same/src/main/java/com/orbekk/net/MyJsonRpcHttpClient.java b/same/src/main/java/com/orbekk/net/MyJsonRpcHttpClient.java
new file mode 100644
index 0000000..98de054
--- /dev/null
+++ b/same/src/main/java/com/orbekk/net/MyJsonRpcHttpClient.java
@@ -0,0 +1,75 @@
+package com.orbekk.net;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.lang.reflect.Type;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.ContentProducer;
+import org.apache.http.entity.EntityTemplate;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.params.HttpConnectionParams;
+import org.apache.http.params.HttpParams;
+import org.codehaus.jackson.map.ObjectMapper;
+
+import com.googlecode.jsonrpc4j.JsonRpcClient;
+import com.googlecode.jsonrpc4j.JsonRpcHttpClient;
+
+/**
+ * This class is horrible. :S
+ * 
+ * We extend JsonRpcHttpClient but try to override everything it does.
+ */
+public class MyJsonRpcHttpClient extends JsonRpcHttpClient {  
+    private URL serviceUrl;
+    private JsonRpcClient rpcClient;
+    private HttpClient httpClient;
+    
+    public MyJsonRpcHttpClient(URL serviceUrl, int connectionTimeout,
+                int readTimeout) {
+        super(null);
+        httpClient = new DefaultHttpClient();
+        HttpParams params = httpClient.getParams();
+        HttpConnectionParams.setConnectionTimeout(params, connectionTimeout);
+        HttpConnectionParams.setSoTimeout(params, readTimeout);
+        rpcClient = new JsonRpcClient();
+        this.serviceUrl = serviceUrl;
+   }
+   
+    @Override
+    public synchronized Object invoke(
+            final String methodName, final Object[] arguments, Type returnType, 
+            Map<String, String> extraHeaders)
+                    throws Exception {
+        EntityTemplate entity = new EntityTemplate(new ContentProducer() {
+            @Override
+            public void writeTo(OutputStream out) throws IOException {
+                try {
+                    rpcClient.invoke(methodName, arguments, out);
+                } catch (Exception e) {
+                    throw new IOException(e);
+                }
+            }
+        });
+        entity.setContentType("application/json-rpc");
+        
+        HttpPost post = new HttpPost(serviceUrl.toString());
+     
+        for (Map.Entry<String, String> entry : extraHeaders.entrySet()) {
+            post.addHeader(entry.getKey(), entry.getValue());
+        }
+        
+        post.setEntity(entity);
+        
+        HttpResponse response = httpClient.execute(post);
+        HttpEntity responseEntity = response.getEntity();
+
+        return super.readResponse(returnType, responseEntity.getContent());
+    }
+}
diff --git a/same/src/main/java/com/orbekk/same/ConnectionManagerImpl.java b/same/src/main/java/com/orbekk/same/ConnectionManagerImpl.java
index d477834..92b7588 100644
--- a/same/src/main/java/com/orbekk/same/ConnectionManagerImpl.java
+++ b/same/src/main/java/com/orbekk/same/ConnectionManagerImpl.java
@@ -2,6 +2,7 @@ package com.orbekk.same;
 
 import com.googlecode.jsonrpc4j.JsonRpcHttpClient;
 import com.googlecode.jsonrpc4j.ProxyUtil;
+import com.orbekk.net.MyJsonRpcHttpClient;
 import com.orbekk.paxos.PaxosService;
 
 import java.net.MalformedURLException;
@@ -32,9 +33,8 @@ public class ConnectionManagerImpl implements ConnectionManager {
     private <T>T getClassProxy(String url, Class<T> clazz) {
         T service = null;
         try {
-            JsonRpcHttpClient client = new JsonRpcHttpClient(new URL(url));
-            client.setConnectionTimeoutMillis(connectionTimeout);
-            client.setReadTimeoutMillis(readTimeout);
+            MyJsonRpcHttpClient client = new MyJsonRpcHttpClient(new URL(url),
+                    connectionTimeout, readTimeout);
             service = ProxyUtil.createProxy(
                     this.getClass().getClassLoader(),
                     clazz,
diff --git a/same/src/main/java/com/orbekk/same/StackTraceUtil.java b/same/src/main/java/com/orbekk/same/StackTraceUtil.java
new file mode 100644
index 0000000..0c0c3d0
--- /dev/null
+++ b/same/src/main/java/com/orbekk/same/StackTraceUtil.java
@@ -0,0 +1,14 @@
+package com.orbekk.same;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.io.Writer;
+
+public class StackTraceUtil {
+    public static String throwableToString(Throwable t) {
+        Writer writer = new StringWriter();
+        PrintWriter printWriter = new PrintWriter(writer);
+        t.printStackTrace(printWriter);
+        return writer.toString();
+    }
+}