android/src/com/android/tools/idea/gradle/util/Facets.java

/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * 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.android.tools.idea.gradle.util;

import com.intellij.facet.Facet;
import com.intellij.facet.FacetManager;
import com.intellij.facet.FacetTypeId;
import com.intellij.facet.ModifiableFacetModel;
import com.intellij.openapi.module.Module;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.Collection;

/**
 * Utility methods related to facets.
 */
public final class Facets {
  private Facets() {
  }

  public static <T extends Facet> void removeAllFacetsOfType(@NotNull Module module, @NotNull FacetTypeId<T> typeId) {
    FacetManager facetManager = FacetManager.getInstance(module);
    Collection<T> facets = facetManager.getFacetsByType(typeId);
    if (!facets.isEmpty()) {
      ModifiableFacetModel model = facetManager.createModifiableModel();
      try {
        for (T facet : facets) {
          model.removeFacet(facet);
        }
      }
      finally {
        model.commit();
      }
    }
  }
}