platform/projectModel-impl/src/com/intellij/openapi/roots/impl/libraries/ProjectLibraryTable.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.openapi.roots.impl.libraries;

import com.intellij.openapi.components.*;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.project.ProjectBundle;
import com.intellij.openapi.roots.libraries.LibraryTable;
import com.intellij.openapi.roots.libraries.LibraryTablePresentation;
import com.intellij.openapi.roots.libraries.LibraryTablesRegistrar;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.util.text.UniqueNameGenerator;
import org.jdom.Element;
import org.jetbrains.annotations.NonNls;

import java.util.ArrayList;
import java.util.List;

/**
 *  @author dsl
 */
@State(
  name = "libraryTable",
  storages = {
    @Storage(file = StoragePathMacros.PROJECT_FILE),
    @Storage(file = StoragePathMacros.PROJECT_CONFIG_DIR + "/libraries/", scheme = StorageScheme.DIRECTORY_BASED, stateSplitter = ProjectLibraryTable.LibraryStateSplitter.class)
  }
)
public class ProjectLibraryTable extends LibraryTableBase {
  private static final LibraryTablePresentation PROJECT_LIBRARY_TABLE_PRESENTATION = new LibraryTablePresentation() {
    @Override
    public String getDisplayName(boolean plural) {
      return ProjectBundle.message("project.library.display.name", plural ? 2 : 1);
    }

    @Override
    public String getDescription() {
      return ProjectBundle.message("libraries.node.text.project");
    }

    @Override
    public String getLibraryTableEditorTitle() {
      return ProjectBundle.message("library.configure.project.title");
    }
  };

  public static LibraryTable getInstance(Project project) {
    return ServiceManager.getService(project, ProjectLibraryTable.class);
  }

  @Override
  public String getTableLevel() {
    return LibraryTablesRegistrar.PROJECT_LEVEL;
  }

  @Override
  public LibraryTablePresentation getPresentation() {
    return PROJECT_LIBRARY_TABLE_PRESENTATION;
  }

  @Override
  public boolean isEditable() {
    return true;
  }


  public static class LibraryStateSplitter implements StateSplitter {

    @Override
    public List<Pair<Element, String>> splitState(Element e) {
      final UniqueNameGenerator generator = new UniqueNameGenerator();

      List<Pair<Element, String>> result = new ArrayList<Pair<Element, String>>();

      final List list = e.getChildren();
      for (final Object o : list) {
        Element library = (Element)o;
        @NonNls final String name = generator.generateUniqueName(FileUtil.sanitizeFileName(library.getAttributeValue(LibraryImpl.LIBRARY_NAME_ATTR))) + ".xml";
        result.add(Pair.create(library, name));
      }

      return result;
    }

    @Override
    public void mergeStatesInto(Element target, Element[] elements) {
      for (Element e : elements) {
        target.addContent(e);
      }
    }
  }
}