/*
* Copyright 2012-2014 Sergey Ignatov
*
* 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.intellij.erlang.sdk;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.*;
import com.intellij.openapi.roots.libraries.Library;
import com.intellij.openapi.roots.libraries.LibraryTable;
import com.intellij.openapi.roots.libraries.LibraryTablesRegistrar;
import com.intellij.openapi.util.Computable;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.util.ArrayUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public abstract class ErlangSdkForSmallIdes {
private static final String LIBRARY_NAME = "Erlang SDK";
private ErlangSdkForSmallIdes() {
}
public static void setUpOrUpdateSdk(@NotNull final Project project, @NotNull final String path) {
ApplicationManager.getApplication().runWriteAction(() -> {
LibraryTable table = LibraryTablesRegistrar.getInstance().getLibraryTable(project);
Library get = table.getLibraryByName(LIBRARY_NAME);
Library lib = get != null ? get : table.createLibrary(LIBRARY_NAME);
Library.ModifiableModel libraryModel = lib.getModifiableModel();
String libUrl = ArrayUtil.getFirstElement(lib.getUrls(OrderRootType.CLASSES));
if (libUrl != null) {
libraryModel.removeRoot(libUrl, OrderRootType.CLASSES);
}
String url = VfsUtilCore.pathToUrl(path);
libraryModel.addRoot(url, OrderRootType.CLASSES);
libraryModel.commit();
boolean remove = path.isEmpty();
if (remove) {
updateModules(project, lib, true);
table.removeLibrary(lib);
}
table.getModifiableModel().commit();
if (!remove) {
updateModules(project, lib, false);
}
});
}
@Nullable
static String getSdkHome(@NotNull final Project project) {
return ApplicationManager.getApplication().runReadAction((Computable<String>) () -> {
LibraryTable table = LibraryTablesRegistrar.getInstance().getLibraryTable(project);
Library lib = table.getLibraryByName(LIBRARY_NAME);
String[] urls = lib == null ? ArrayUtil.EMPTY_STRING_ARRAY : lib.getUrls(OrderRootType.CLASSES);
return VfsUtilCore.urlToPath(ArrayUtil.getFirstElement(urls));
});
}
private static void updateModules(@NotNull Project project, @NotNull Library lib, boolean remove) {
Module[] modules = ModuleManager.getInstance(project).getModules();
for (Module module : modules) {
ModifiableRootModel model = ModuleRootManager.getInstance(module).getModifiableModel();
if (!remove) {
if (model.findLibraryOrderEntry(lib) == null) {
LibraryOrderEntry entry = model.addLibraryEntry(lib);
entry.setScope(DependencyScope.PROVIDED);
}
}
else {
LibraryOrderEntry entry = model.findLibraryOrderEntry(lib);
if (entry != null) {
model.removeOrderEntry(entry);
}
}
model.commit();
}
}
}