platform/platform-impl/src/com/intellij/internal/statistic/JdkInfoUsageCollector.java

/*
 * Copyright 2000-2014 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.GroupDescriptor;
import com.intellij.internal.statistic.beans.UsageDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.SystemInfo;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.Collections;
import java.util.Set;

/**
 * @author Konstantin Bulenkov
 */
public class JdkInfoUsageCollector extends UsagesCollector {
  @NotNull
  @Override
  public Set<UsageDescriptor> getUsages(@Nullable Project project) throws CollectUsagesException {
    final String vendor = System.getProperty("java.vendor", "Unknown");
    for (String version : new String[]{"1.9", "1.8", "1.7", "1.6"}) {
      if (SystemInfo.isJavaVersionAtLeast(version)) {
        return Collections.singleton(new UsageDescriptor(vendor + " " + version, 1));
      }
    }
    return Collections.emptySet();
  }

  @NotNull
  @Override
  public GroupDescriptor getGroupId() {
    return GroupDescriptor.create("user.jdk");
  }
}