jps/model-serialization/src/org/jetbrains/jps/model/serialization/JpsGlobalLoader.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 com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.util.JDOMUtil;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.text.StringUtil;
import org.jdom.Element;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jps.model.JpsElementChildRole;
import org.jetbrains.jps.model.JpsGlobal;
import org.jetbrains.jps.model.ex.JpsElementChildRoleBase;
import org.jetbrains.jps.model.serialization.impl.JpsPathVariablesConfigurationImpl;
import org.jetbrains.jps.model.serialization.library.JpsLibraryTableSerializer;
import org.jetbrains.jps.model.serialization.library.JpsSdkTableSerializer;

import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.Map;

/**
 * @author nik
 */
public class JpsGlobalLoader extends JpsLoaderBase {
  private static final Logger LOG = Logger.getInstance(JpsGlobalLoader.class);
  public static final String SDK_TABLE_COMPONENT_NAME = "ProjectJdkTable";
  public static final JpsElementChildRole<JpsPathVariablesConfiguration> PATH_VARIABLES_ROLE = JpsElementChildRoleBase.create("path variables");
  private static final JpsGlobalExtensionSerializer[] SERIALIZERS = {
    new GlobalLibrariesSerializer(), new SdkTableSerializer(), new FileTypesSerializer()
  };
  public static final String FILE_TYPES_COMPONENT_NAME_KEY = "jps.file.types.component.name";
  private final JpsGlobal myGlobal;

  private JpsGlobalLoader(JpsGlobal global, Map<String, String> pathVariables) {
    super(new JpsMacroExpander(pathVariables));
    myGlobal = global;
  }

  public static void loadGlobalSettings(JpsGlobal global, String optionsPath) throws IOException {
    File optionsDir = new File(FileUtil.toCanonicalPath(optionsPath));
    new JpsGlobalLoader(global, Collections.<String, String>emptyMap()).loadGlobalComponents(optionsDir, new PathVariablesSerializer());
    Map<String, String> pathVariables = JpsModelSerializationDataService.computeAllPathVariables(global);
    new JpsGlobalLoader(global, pathVariables).load(optionsDir);
  }

  /**
   * @deprecated use {@link JpsModelSerializationDataService#getPathVariableValue(org.jetbrains.jps.model.JpsGlobal, String)} instead
   */
  @Nullable
  public static String getPathVariable(JpsGlobal global, String name) {
    return JpsModelSerializationDataService.getPathVariableValue(global, name);
  }

  private void load(File optionsDir) {
    LOG.debug("Loading config from " + optionsDir.getAbsolutePath());
    for (JpsGlobalExtensionSerializer serializer : SERIALIZERS) {
      loadGlobalComponents(optionsDir, serializer);
    }
    for (JpsModelSerializerExtension extension : JpsModelSerializerExtension.getExtensions()) {
      for (JpsGlobalExtensionSerializer serializer : extension.getGlobalExtensionSerializers()) {
        loadGlobalComponents(optionsDir, serializer);
      }
    }
  }

  private void loadGlobalComponents(File optionsDir, JpsGlobalExtensionSerializer serializer) {
    loadComponents(optionsDir, "other.xml", serializer, myGlobal);
  }

  public static class PathVariablesSerializer extends JpsGlobalExtensionSerializer {
    public static final String MACRO_TAG = "macro";
    public static final String NAME_ATTRIBUTE = "name";
    public static final String VALUE_ATTRIBUTE = "value";

    public PathVariablesSerializer() {
      super("path.macros.xml", "PathMacrosImpl");
    }

    @Override
    public void loadExtension(@NotNull JpsGlobal global, @NotNull Element componentTag) {
      JpsPathVariablesConfiguration configuration = global.getContainer().setChild(PATH_VARIABLES_ROLE, new JpsPathVariablesConfigurationImpl());
      for (Element macroTag : JDOMUtil.getChildren(componentTag, MACRO_TAG)) {
        String name = macroTag.getAttributeValue(NAME_ATTRIBUTE);
        String value = macroTag.getAttributeValue(VALUE_ATTRIBUTE);
        if (name != null && value != null) {
          configuration.addPathVariable(name, StringUtil.trimEnd(FileUtil.toSystemIndependentName(value), "/"));
        }
      }
    }

    @Override
    public void saveExtension(@NotNull JpsGlobal global, @NotNull Element componentTag) {
      JpsPathVariablesConfiguration configuration = JpsModelSerializationDataService.getPathVariablesConfiguration(global);
      if (configuration != null) {
        for (Map.Entry<String, String> entry : configuration.getAllUserVariables().entrySet()) {
          Element tag = new Element(MACRO_TAG);
          tag.setAttribute(NAME_ATTRIBUTE, entry.getKey());
          tag.setAttribute(VALUE_ATTRIBUTE, entry.getValue());
          componentTag.addContent(tag);
        }
      }
    }
  }

  public static class GlobalLibrariesSerializer extends JpsGlobalExtensionSerializer {
    public GlobalLibrariesSerializer() {
      super("applicationLibraries.xml", "libraryTable");
    }

    @Override
    public void loadExtension(@NotNull JpsGlobal global, @NotNull Element componentTag) {
      JpsLibraryTableSerializer.loadLibraries(componentTag, global.getLibraryCollection());
    }

    @Override
    public void saveExtension(@NotNull JpsGlobal global, @NotNull Element componentTag) {
      JpsLibraryTableSerializer.saveLibraries(global.getLibraryCollection(), componentTag);
    }
  }

  public static class SdkTableSerializer extends JpsGlobalExtensionSerializer {
    public SdkTableSerializer() {
      super("jdk.table.xml", SDK_TABLE_COMPONENT_NAME);
    }

    @Override
    public void loadExtension(@NotNull JpsGlobal global, @NotNull Element componentTag) {
      JpsSdkTableSerializer.loadSdks(componentTag, global.getLibraryCollection());
    }

    @Override
    public void saveExtension(@NotNull JpsGlobal global, @NotNull Element componentTag) {
      JpsSdkTableSerializer.saveSdks(global.getLibraryCollection(), componentTag);
    }
  }

  private static class FileTypesSerializer extends JpsGlobalExtensionSerializer {
    private FileTypesSerializer() {
      super("filetypes.xml", System.getProperty(FILE_TYPES_COMPONENT_NAME_KEY, "FileTypeManager"));
    }

    @Override
    public void loadExtension(@NotNull JpsGlobal global, @NotNull Element componentTag) {
      Element ignoreFilesTag = componentTag.getChild("ignoreFiles");
      if (ignoreFilesTag != null) {
        global.getFileTypesConfiguration().setIgnoredPatternString(ignoreFilesTag.getAttributeValue("list"));
      }
    }

    @Override
    public void saveExtension(@NotNull JpsGlobal global, @NotNull Element componentTag) {
    }
  }
}