Added LogHandler Page

src/wa/server/page/WALogPage.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2015 ezivkoc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package wa.server.page;
+
+import sun.reflect.generics.reflectiveObjects.NotImplementedException;
+import zutil.net.http.HttpHeaderParser;
+import zutil.net.http.HttpPage;
+import zutil.net.http.HttpPrintStream;
+import zutil.parser.DataNode;
+import zutil.parser.json.JSONWriter;
+import zutil.struct.CircularBuffer;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.logging.Handler;
+import java.util.logging.LogRecord;
+
+/**
+ * Created by Ziver on 2015-09-22.
+ */
+public class WALogPage extends Handler implements HttpPage {
+    private CircularBuffer<LogRecord> logBuffer;
+
+    @Override
+    public void publish(LogRecord record) {
+        if(super.isLoggable(record)){
+            logBuffer.add(record);
+        }
+    }
+
+
+    @Override
+    public void flush() {}
+    @Override
+    public void close() throws SecurityException {
+        throw new NotImplementedException();
+    }
+
+
+    @Override
+    public void respond(HttpPrintStream out,
+                        HttpHeaderParser client_info,
+                        Map<String, Object> session,
+                        Map<String, String> cookie,
+                        Map<String, String> request) throws IOException {
+
+        DataNode logNode = new DataNode(DataNode.DataType.List);
+        Iterator<LogRecord> it = logBuffer.iterator();
+        for(int i=0; i<20 && it.hasNext(); ++i){
+            LogRecord record = it.next();
+            DataNode node = new DataNode(DataNode.DataType.Map);
+            node.set("timestamp", record.getMillis());
+            node.set("source", record.getLoggerName());
+            node.set("msg", record.getMessage());
+            logNode.add(node);
+        }
+
+        DataNode root = new DataNode(DataNode.DataType.Map);
+        root.add(logNode);
+        JSONWriter writer = new JSONWriter(out);
+        writer.write(root);
+        writer.close();
+    }
+}