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BaseMigrationStrategy.java
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BaseMigrationStrategy.java
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/*
* MIT License
*
* Copyright (c) 2020-present Cloudogu GmbH and Contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package sonia.scm.update.repository;
import sonia.scm.SCMContextProvider;
import sonia.scm.migration.UpdateException;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.function.Consumer;
import java.util.stream.Stream;
abstract class BaseMigrationStrategy implements MigrationStrategy.Instance {
private final SCMContextProvider contextProvider;
BaseMigrationStrategy(SCMContextProvider contextProvider) {
this.contextProvider = contextProvider;
}
Path getSourceDataPath(String name, String type) {
return Arrays.stream(name.split("/"))
.reduce(getTypeDependentPath(type), (path, namePart) -> path.resolve(namePart), (p1, p2) -> p1);
}
Path getTypeDependentPath(String type) {
return contextProvider.getBaseDirectory().toPath().resolve("repositories").resolve(type);
}
void listSourceDirectory(Path sourceDirectory, Consumer<Stream<Path>> pathConsumer) {
try (Stream<Path> paths = Files.list(sourceDirectory)) {
pathConsumer.accept(paths);
} catch (IOException e) {
throw new UpdateException("could not read original directory", e);
}
}
void createDataDirectory(Path target) {
try {
Files.createDirectories(target);
} catch (IOException e) {
throw new UpdateException("could not create data directory " + target, e);
}
}
void moveFile(Path sourceFile, Path targetFile) {
try {
Files.move(sourceFile, targetFile);
} catch (IOException e) {
throw new UpdateException("could not move data file from " + sourceFile + " to " + targetFile, e);
}
}
void copyFile(Path sourceFile, Path targetFile) {
try {
Files.copy(sourceFile, targetFile);
} catch (IOException e) {
throw new UpdateException("could not copy original file from " + sourceFile + " to " + targetFile, e);
}
}
}