Java tutorial
/* * JBoss Admin * Copyright 2013, Christos Vasilakis, and individual contributors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.cvasilak.jboss.mobile.app.fragments; import android.graphics.Color; import android.os.Bundle; import android.support.v4.app.ListFragment; import android.support.v7.app.ActionBar; import android.support.v7.app.ActionBarActivity; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.widget.TextView; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import org.cvasilak.jboss.mobile.app.JBossAdminApplication; import org.cvasilak.jboss.mobile.app.R; import org.cvasilak.jboss.mobile.app.fragments.dialogs.ErrorDialogFragment; import org.cvasilak.jboss.mobile.app.fragments.dialogs.ProgressDialogFragment; import org.cvasilak.jboss.mobile.app.model.Metric; import org.cvasilak.jboss.mobile.app.net.Callback; import org.cvasilak.jboss.mobile.app.util.commonsware.MergeAdapter; import org.cvasilak.jboss.mobile.app.util.listview.adapters.MetricsAdapter; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; public class WebConnectorMetricsViewFragment extends ListFragment { private static final String TAG = WebConnectorMetricsViewFragment.class.getSimpleName(); private JBossAdminApplication application; private List<Metric> generalMetrics; private List<Metric> reqPerConnectorMetrics; private String connectorName; public static WebConnectorMetricsViewFragment newInstance(String name) { WebConnectorMetricsViewFragment f = new WebConnectorMetricsViewFragment(); Bundle args = new Bundle(); args.putString("connectorName", name); f.setArguments(args); return f; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRetainInstance(true); this.connectorName = getArguments().getString("connectorName"); application = (JBossAdminApplication) getActivity().getApplication(); generalMetrics = new ArrayList<Metric>(); generalMetrics.add(new Metric("Protocol", "protocol")); generalMetrics.add(new Metric("Bytes Sent", "bytesSent")); generalMetrics.add(new Metric("Bytes Received", "bytesReceived")); reqPerConnectorMetrics = new ArrayList<Metric>(); reqPerConnectorMetrics.add(new Metric("Request Count", "requestCount")); reqPerConnectorMetrics.add(new Metric("Error Count", "errorCount")); reqPerConnectorMetrics.add(new Metric("Processing Time (ms)", "processingTime")); reqPerConnectorMetrics.add(new Metric("Max Time (ms)", "maxTime")); setHasOptionsMenu(true); refresh(); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); ActionBar bar = ((ActionBarActivity) getActivity()).getSupportActionBar(); bar.setTitle(connectorName); MergeAdapter adapter = new MergeAdapter(); TextView sectionHeader; // Section: General sectionHeader = new TextView(getActivity()); sectionHeader.setBackgroundColor(Color.DKGRAY); sectionHeader.setPadding(15, 10, 0, 10); sectionHeader.setText("General"); adapter.addView(sectionHeader); MetricsAdapter generalMetricsAdapter = new MetricsAdapter(getActivity(), generalMetrics); adapter.addAdapter(generalMetricsAdapter); // Section: Request per Connector sectionHeader = new TextView(getActivity()); sectionHeader.setBackgroundColor(Color.DKGRAY); sectionHeader.setPadding(15, 10, 0, 10); sectionHeader.setText("Request per Connector"); adapter.addView(sectionHeader); MetricsAdapter reqPerConnectorMetricsAdapter = new MetricsAdapter(getActivity(), reqPerConnectorMetrics); adapter.addAdapter(reqPerConnectorMetricsAdapter); setListAdapter(adapter); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.menu_refresh, menu); super.onCreateOptionsMenu(menu, inflater); } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == R.id.refresh) { refresh(); return (true); } return (super.onOptionsItemSelected(item)); } public void refresh() { ProgressDialogFragment.showDialog(getActivity(), R.string.queryingServer); application.getOperationsManager().fetchWebConnectorMetrics(connectorName, new Callback() { @Override public void onSuccess(JsonElement reply) { ProgressDialogFragment.dismissDialog(getActivity()); JsonObject jsonObj = reply.getAsJsonObject(); Map<String, String> info = new HashMap<String, String>(); long bytesSent = jsonObj.getAsJsonPrimitive("bytesSent").getAsLong(); long bytesReceived = jsonObj.getAsJsonPrimitive("bytesReceived").getAsLong(); info.put("bytesSent", String.format("%d", bytesSent)); info.put("bytesReceived", String.format("%d", bytesReceived)); info.put("protocol", jsonObj.get("protocol").getAsString()); for (Metric metric : generalMetrics) { metric.setValue(info.get(metric.getKey())); } int requestCount = jsonObj.getAsJsonPrimitive("requestCount").getAsInt(); int errorCount = jsonObj.getAsJsonPrimitive("errorCount").getAsInt(); float errorPerc = (requestCount != 0 ? ((float) errorCount / requestCount) * 100 : 0); int processingTime = jsonObj.getAsJsonPrimitive("processingTime").getAsInt(); int maxTime = jsonObj.getAsJsonPrimitive("maxTime").getAsInt(); info.put("requestCount", String.format("%d", requestCount)); info.put("errorCount", String.format("%d (%.0f%%)", errorCount, errorPerc)); info.put("processingTime", String.format("%d", processingTime)); info.put("maxTime", String.format("%d", maxTime)); for (Metric metric : reqPerConnectorMetrics) { metric.setValue(info.get(metric.getKey())); } // refresh table ((MergeAdapter) getListAdapter()).notifyDataSetChanged(); } @Override public void onFailure(Exception e) { ProgressDialogFragment.dismissDialog(getActivity()); ErrorDialogFragment.showDialog(getActivity(), e.getMessage()); } }); } }