com.google.gwt.debugpanel.common.GwtStatisticsEventDispatcher.java Source code

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Here is the source code for com.google.gwt.debugpanel.common.GwtStatisticsEventDispatcher.java

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/*
 * Copyright 2009 Google Inc.
 *
 * 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 com.google.gwt.debugpanel.common;

import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.user.client.rpc.impl.RemoteServiceProxy;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

/**
 * Stats event dispatcher that uses the GWT global stats function to dispatch
 * events.
 */
public class GwtStatisticsEventDispatcher implements StatisticsEventDispatcher {

    //@Override
    public boolean enabled() {
        return RemoteServiceProxy.isStatsAvailable();
    }

    //@Override
    public StatisticsEvent newEvent(String system, String group, double millis, String type) {
        Event event = new Event(GWT.getModuleName(), system, group, millis);
        if (type != null) {
            setExtraParameter(event, "type", type);
        }
        return event;
    }

    //@Override
    public void setExtraParameter(StatisticsEvent event, String name, String value) {
        ((Event) event).set(name, value);
    }

    //@Override
    public void setExtraParameter(StatisticsEvent event, String name, JavaScriptObject value) {
        ((Event) event).set(name, value);
    }

    //@Override
    public void dispatch(StatisticsEvent event) {
        dispatch0(GwtStatisticsEvent.fromEvent(event));
    }

    private native void dispatch0(JavaScriptObject event) /*-{
                                                          $stats && $stats(event);
                                                          }-*/;

    private static class Event implements StatisticsEvent {
        private String module;
        private String system;
        private String group;
        private double millis;
        private Map<String, Object> params;

        public Event(String module, String system, String group, double millis) {
            this.module = module;
            this.system = system;
            this.group = group;
            this.millis = millis;
            this.params = new HashMap<String, Object>();
        }

        //@Override
        public String getModuleName() {
            return module;
        }

        //@Override
        public String getSubSystem() {
            return system;
        }

        //@Override
        public String getEventGroupKey() {
            return group;
        }

        //@Override
        public double getMillis() {
            return millis;
        }

        //@Override
        public Iterator<String> getExtraParameterNames() {
            return params.keySet().iterator();
        }

        //@Override
        public Object getExtraParameter(String name) {
            return params.get(name);
        }

        protected void set(String name, Object value) {
            params.put(name, value);
        }
    }
}