added jersey for rest api

scm-webapp/src/main/java/sonia/scm/api/rest/JsonJaxbContextResolver.java

@@ -0,0 +1,73 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+
+
+package sonia.scm.api.rest;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import sonia.scm.Group;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import com.sun.jersey.api.json.JSONConfiguration;
+import com.sun.jersey.api.json.JSONJAXBContext;
+
+import java.util.Arrays;
+import java.util.List;
+
+import javax.ws.rs.ext.ContextResolver;
+import javax.ws.rs.ext.Provider;
+
+import javax.xml.bind.JAXBContext;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+@Provider
+public class JsonJaxbContextResolver implements ContextResolver<JAXBContext>
+{
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @throws Exception
+   */
+  public JsonJaxbContextResolver() throws Exception
+  {
+    this.context = new JSONJAXBContext(
+        JSONConfiguration.mapped().rootUnwrapping(true).arrays(
+          "members").build(), types.toArray(new Class[0]));
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param objectType
+   *
+   * @return
+   */
+  @Override
+  public JAXBContext getContext(Class<?> objectType)
+  {
+    return (types.contains(objectType))
+           ? context
+           : null;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private JAXBContext context;
+
+  /** Field description */
+  private List<Class> types = Arrays.asList(new Class[] { Group.class });
+}