java/openapi/src/com/intellij/openapi/projectRoots/JavaSdkVersionUtil.java

/*
 * 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.openapi.projectRoots;

import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleUtilCore;
import com.intellij.openapi.roots.ModuleRootManager;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.NotNull;

/**
 * User: anna
 * Date: 3/28/12
 */
public class JavaSdkVersionUtil {
  public static boolean isAtLeast(@NotNull PsiElement element, @NotNull JavaSdkVersion minVersion) {
    JavaSdkVersion version = getJavaSdkVersion(element);
    return version == null || version.isAtLeast(minVersion);
  }

  public static JavaSdkVersion getJavaSdkVersion(@NotNull PsiElement element) {
    final Module module = ModuleUtilCore.findModuleForPsiElement(element);
    if (module != null) {
      final Sdk sdk = ModuleRootManager.getInstance(module).getSdk();
      if (sdk != null && sdk.getSdkType() instanceof JavaSdk) {
        String version = sdk.getVersionString();
        return version == null ? null : JdkVersionUtil.getVersion(version);
      }
    }
    return null;
  }
}