stats summary, addresses #62

openid-connect-server/src/main/java/org/mitre/openid/connect/view/JSONClientView.java

@@ -53,11 +53,10 @@ public class JSONClientView extends AbstractView {
 
         response.setContentType("application/json");
 
-        Writer out;
         
 		try {
 			
-			out = response.getWriter();
+			Writer out = response.getWriter();
 			Object obj = model.get("entity");
 	        if (obj == null) {
 	            obj = model;

openid-connect-server/src/main/java/org/mitre/openid/connect/view/StatsSummary.java

@@ -0,0 +1,70 @@
+/**
+ * 
+ */
+package org.mitre.openid.connect.view;
+
+import java.io.IOException;
+import java.io.Writer;
+import java.util.Map;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.stereotype.Component;
+import org.springframework.validation.BeanPropertyBindingResult;
+import org.springframework.web.servlet.view.AbstractView;
+
+import com.google.gson.ExclusionStrategy;
+import com.google.gson.FieldAttributes;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+/**
+ * @author jricher
+ *
+ */
+@Component("statsSummaryJson")
+public class StatsSummary extends AbstractView {
+
+	@Override
+	protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) {
+        Gson gson = new GsonBuilder()
+        .setExclusionStrategies(new ExclusionStrategy() {
+
+            public boolean shouldSkipField(FieldAttributes f) {
+
+                return false;
+            }
+
+            public boolean shouldSkipClass(Class<?> clazz) {
+                // skip the JPA binding wrapper
+                if (clazz.equals(BeanPropertyBindingResult.class)) {
+                    return true;
+                }
+                return false;
+            }
+
+        }).create();
+
+        response.setContentType("application/json");
+
+
+        try {
+	
+        	Writer out = response.getWriter();
+        	Object obj = model.get("entity");
+        	if (obj == null) {
+        		obj = model;
+        	}
+
+        	gson.toJson(obj, out);
+    
+        } catch (IOException e) {
+	
+        	logger.error("IOException in JSONClientView.java: " + e.getStackTrace());
+	
+        }
+
+	}
+
+}

openid-connect-server/src/main/java/org/mitre/openid/connect/web/StatsAPI.java

@@ -0,0 +1,56 @@
+package org.mitre.openid.connect.web;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import org.mitre.openid.connect.model.ApprovedSite;
+import org.mitre.openid.connect.service.ApprovedSiteService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@PreAuthorize("hasRole('ROLE_USER')")
+@RequestMapping("stats")
+public class StatsAPI {
+	
+	@Autowired
+	private ApprovedSiteService approvedSiteService;
+	
+	public StatsAPI() {
+		
+	}
+
+	@RequestMapping("summary")
+	public String statsSummary(ModelMap m) {
+		
+		// get all approved sites
+		Collection<ApprovedSite> allSites = approvedSiteService.getAll();
+
+		// process to find number of unique users and sites
+		Set<String> userIds = new HashSet<String>();
+		Set<String> clientIds = new HashSet<String>();
+		for (ApprovedSite approvedSite : allSites) {
+	        userIds.add(approvedSite.getUserId());
+	        clientIds.add(approvedSite.getClientId());
+        }
+		
+		Map<String, Integer> e = new HashMap<String, Integer>();
+		
+		e.put("approvalCount", allSites.size());
+		e.put("userCount", userIds.size());
+		e.put("clientCount", clientIds.size());
+		
+		m.put("entity", e);
+		
+		return "statsSummaryJson";
+		
+	}
+	
+}