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/*
* Copyright 2000-2012 JetBrains s.r.o.
*
* 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.intellij.internal.statistic;
import com.intellij.internal.statistic.beans.ConvertUsagesUtil;
import com.intellij.internal.statistic.beans.GroupDescriptor;
import com.intellij.internal.statistic.beans.UsageDescriptor;
import com.intellij.openapi.components.*;
import com.intellij.openapi.project.Project;
import com.intellij.util.Function;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.xmlb.annotations.MapAnnotation;
import com.intellij.util.xmlb.annotations.Tag;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
/**
* User: ksafonov
*/
@State(name = "UsageTrigger", roamingType = RoamingType.DISABLED, storages = {@Storage(file = StoragePathMacros.APP_CONFIG + "/statistics.application.usages.xml")})
public class UsageTrigger implements PersistentStateComponent<UsageTrigger.State> {
public static class State {
@Tag("counts")
@MapAnnotation(surroundWithTag = false, keyAttributeName = "feature", valueAttributeName = "count")
public Map<String, Integer> myValues = new HashMap<String, Integer>();
}
private State myState = new State();
public static void trigger(@NotNull String feature) {
getInstance().doTrigger(feature);
}
private static UsageTrigger getInstance() {
return ServiceManager.getService(UsageTrigger.class);
}
private void doTrigger(String feature) {
ConvertUsagesUtil.assertDescriptorName(feature);
final Integer count = myState.myValues.get(feature);
if (count == null) {
myState.myValues.put(feature, 1);
}
else {
myState.myValues.put(feature, count + 1);
}
}
public State getState() {
return myState;
}
public void loadState(final State state) {
myState = state;
}
public static class MyCollector extends UsagesCollector {
private static final GroupDescriptor GROUP = GroupDescriptor.create("features counts", GroupDescriptor.HIGHER_PRIORITY);
@NotNull
public Set<UsageDescriptor> getUsages(@Nullable final Project project) {
final State state = UsageTrigger.getInstance().getState();
return ContainerUtil.map2Set(state.myValues.entrySet(), new Function<Map.Entry<String, Integer>, UsageDescriptor>() {
public UsageDescriptor fun(final Map.Entry<String, Integer> e) {
return new UsageDescriptor(e.getKey(), e.getValue());
}
});
}
@NotNull
public GroupDescriptor getGroupId() {
return GROUP;
}
}
}
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