jps/model-serialization/src/org/jetbrains/jps/model/serialization/JpsModelSerializationDataService.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 org.jetbrains.jps.model.serialization;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jps.model.JpsGlobal;
import org.jetbrains.jps.model.JpsProject;
import org.jetbrains.jps.model.module.JpsModule;
import org.jetbrains.jps.model.serialization.impl.JpsModuleSerializationDataExtensionImpl;
import org.jetbrains.jps.model.serialization.impl.JpsPathVariablesConfigurationImpl;
import org.jetbrains.jps.model.serialization.impl.JpsProjectSerializationDataExtensionImpl;
import org.jetbrains.jps.model.serialization.module.JpsModuleSerializationDataExtension;

import java.io.File;
import java.util.HashMap;
import java.util.Map;

/**
 * @author nik
 */
public class JpsModelSerializationDataService {
  /**
   * @deprecated use {@link #computeAllPathVariables(org.jetbrains.jps.model.JpsGlobal)} instead
   */
  @NotNull
  public static Map<String, String> getAllPathVariables(JpsGlobal global) {
    return computeAllPathVariables(global);
  }

  public static Map<String, String> computeAllPathVariables(JpsGlobal global) {
    Map<String, String> pathVariables = new HashMap<String, String>(PathMacroUtil.getGlobalSystemMacros());
    JpsPathVariablesConfiguration configuration = getPathVariablesConfiguration(global);
    if (configuration != null) {
      pathVariables.putAll(configuration.getAllUserVariables());
    }
    return pathVariables;
  }

  @Nullable
  public static JpsPathVariablesConfiguration getPathVariablesConfiguration(JpsGlobal global) {
    return global.getContainer().getChild(JpsGlobalLoader.PATH_VARIABLES_ROLE);
  }

  @NotNull
  public static JpsPathVariablesConfiguration getOrCreatePathVariablesConfiguration(JpsGlobal global) {
    JpsPathVariablesConfiguration child = global.getContainer().getChild(JpsGlobalLoader.PATH_VARIABLES_ROLE);
    if (child == null) {
      return global.getContainer().setChild(JpsGlobalLoader.PATH_VARIABLES_ROLE, new JpsPathVariablesConfigurationImpl());
    }
    return child;
  }


  @Nullable
  public static JpsProjectSerializationDataExtension getProjectExtension(@NotNull JpsProject project) {
    return project.getContainer().getChild(JpsProjectSerializationDataExtensionImpl.ROLE);
  }

  @Nullable
  public static File getBaseDirectory(@NotNull JpsProject project) {
    JpsProjectSerializationDataExtension extension = getProjectExtension(project);
    return extension != null ? extension.getBaseDirectory() : null;
  }

  @Nullable
  public static JpsModuleSerializationDataExtension getModuleExtension(@NotNull JpsModule project) {
    return project.getContainer().getChild(JpsModuleSerializationDataExtensionImpl.ROLE);
  }

  @Nullable
  public static File getBaseDirectory(@NotNull JpsModule module) {
    JpsModuleSerializationDataExtension extension = getModuleExtension(module);
    return extension != null ? extension.getBaseDirectory() : null;
  }

  @Nullable
  public static String getPathVariableValue(@NotNull JpsGlobal global, @NotNull String name) {
    String value = PathMacroUtil.getGlobalSystemMacroValue(name);
    if (value != null) {
      return value;
    }
    JpsPathVariablesConfiguration configuration = getPathVariablesConfiguration(global);
    return configuration != null ? configuration.getUserVariableValue(name) : null;
  }
}