/*
* Copyright 2003-2015 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 jetbrains.mps.repository;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.components.ApplicationComponent;
import com.intellij.openapi.vfs.newvfs.persistent.PersistentFS;
import jetbrains.mps.InternalFlag;
import jetbrains.mps.classloading.ClassLoaderManager;
import jetbrains.mps.ide.MPSCoreComponents;
import jetbrains.mps.ide.vfs.IdeaFSComponent;
import jetbrains.mps.library.LibraryInitializer;
import jetbrains.mps.library.contributor.BootstrapLibraryContributor;
import jetbrains.mps.library.contributor.LibraryContributor;
import jetbrains.mps.library.contributor.PluginLibraryContributor;
import jetbrains.mps.library.contributor.WorkbenchLibraryContributor;
import jetbrains.mps.util.PathManager;
import jetbrains.mps.vfs.FileSystemExtPoint;
import jetbrains.mps.vfs.impl.IoFileSystem;
import jetbrains.mps.vfs.openapi.FileSystem;
import jetbrains.mps.workbench.action.IRegistryManager;
import org.apache.log4j.Level;
import org.apache.log4j.LogManager;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* Inits all mps distribution modules
* When on sources {@link InternalFlag#isInternalMode()} almost the same happens
*/
public final class RepositoryInitializingComponent implements ApplicationComponent {
private final LibraryInitializer myLibraryInitializer;
private final FileSystem myFS;
private final List<LibraryContributor> myContributors = new ArrayList<>();
/**
* Notice, when we are starting from sources we want to treat all our mps modules as source modules. Such modules are a subject
* to a frequent changes, so we'd rather to load the with idea fs.
*
* In the case of usual mps distribution all modules enlisted here are read-only, so they cannot be changed.
* Thus we aren't supposed to use idea fs here (according to the idea fs recommendations) and we are using io-based fs.
*
* @param coreComponents -- we want to load bootstrap libraries after we have all core components instatiated
* @param registryManager -- please see {@code ApplicationPluginManager#initComponent()}. fixme get rid of this dep
* @param ideaPluginFacetComponent -- we want to load plugin library contributor after we have chosen the right idea plugin facet
*/
@SuppressWarnings("UnusedParameters")
public RepositoryInitializingComponent(MPSCoreComponents coreComponents,
IRegistryManager registryManager,
IdeaPluginFacetComponent ideaPluginFacetComponent,
IdeaFSComponent fs,
PersistentFS filesystem //see MPS-22970
) {
myLibraryInitializer = coreComponents.getLibraryInitializer();
myFS = PathManager.isFromSources() ? FileSystemExtPoint.getFS() : IoFileSystem.INSTANCE;
myContributors.add(new BootstrapLibraryContributor(myFS));
myContributors.add(new WorkbenchLibraryContributor(myFS)); // need only on sources
myContributors.add(new PluginLibraryContributor(myFS));
}
@Override
public void initComponent() {
if (PathManager.isFromSources()) {
improveLoadingOnSources();
ClassLoaderManager.getInstance().runNonReloadableTransaction(this::load);
} else {
load();
}
}
private void load() {
myLibraryInitializer.load(myContributors);
}
/**
* here idea is the same as in {@code ProjectRootListenerComponent}
*/
private void improveLoadingOnSources() {
ApplicationManager.getApplication().runReadAction(() -> {
myFS.getFile(PathManager.getHomePath()).addListener((monitor, event) -> {});
});
}
@Override
public void disposeComponent() {
List<LibraryContributor> contributors = new ArrayList<>(myContributors);
Collections.reverse(contributors);
myLibraryInitializer.unload(contributors);
}
@NotNull
@Override
public String getComponentName() {
return "Repository Initializing Component";
}
}