/*
* Copyright 2003-2016 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.persistence;
import jetbrains.mps.extapi.persistence.FileDataSource;
import jetbrains.mps.extapi.persistence.SourceRoot;
import jetbrains.mps.extapi.persistence.datasource.DataSourceFactoryFromName;
import org.jetbrains.mps.openapi.persistence.datasource.FileExtensionDataSourceType;
import jetbrains.mps.util.annotation.ToRemove;
import jetbrains.mps.vfs.IFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.annotations.Immutable;
import org.jetbrains.mps.openapi.model.SModelName;
import org.jetbrains.mps.openapi.persistence.DataSource;
import org.jetbrains.mps.openapi.persistence.ModelRoot;
/**
* Data source factory base for factories based
* on the different file extensions :
* @see FileExtensionDataSourceType
* @author apyshkin
* @since 27/12/16
*/
@Immutable
public class RegularFileDataSourceFactory implements DataSourceFactoryFromName {
@NotNull private final FileExtensionDataSourceType myDataSourceType;
RegularFileDataSourceFactory(@NotNull FileExtensionDataSourceType dataSourceType) {
myDataSourceType = dataSourceType;
}
@NotNull
@Override
public DataSource create(@NotNull SModelName modelName,
@NotNull SourceRoot sourceRoot,
@ToRemove(version = 0)
@Nullable ModelRoot modelRoot) {
ModelFileCalculator modelFileCalculator = new ModelFileCalculator(modelName, sourceRoot, modelRoot, myDataSourceType.getFileExtension());
IFile modelFile = modelFileCalculator.calculate();
return createFromFile(modelFile, modelRoot);
}
@NotNull
private DataSource createFromFile(@NotNull IFile file, @Nullable ModelRoot modelRoot) {
if (file.isDirectory()) {
throw new IllegalArgumentException("Cannot accept directory file " + file);
}
return new FileDataSource(file, modelRoot);
}
@NotNull
@Override
public FileExtensionDataSourceType getType() {
return myDataSourceType;
}
@Override
public String toString() {
return getType() + " factory";
}
}