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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.standalone;
import com.yahoo.collections.Pair;
import com.yahoo.config.model.ConfigModelRepo;
import com.yahoo.io.IOUtils;
import com.yahoo.vespa.model.VespaModel;
import com.yahoo.vespa.model.container.xml.ContainerModelBuilder.Networking;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.List;
/**
* Creates a local application from vespa-services fragments.
*
* @author Tony Vaagenes
* @author ollivir
*/
public class StandaloneContainer {
interface ThrowingFunction<T, U> {
U apply(T input) throws Exception;
}
static <T> T withContainerModel(String servicesXml, ThrowingFunction<VespaModel, T> f) throws Exception {
return withTempDirectory(applicationPath -> {
writeServicesXml(applicationPath, servicesXml);
LocalFileDb distributedFiles = new LocalFileDb(applicationPath);
VespaModel root;
Pair<VespaModel, com.yahoo.vespa.model.container.Container> rc = StandaloneContainerApplication.createContainerModel(
applicationPath, distributedFiles, applicationPath.resolve("preprocesedApp").toFile(), Networking.enable,
new ConfigModelRepo());
root = rc.getFirst();
return f.apply(root);
});
}
private static <T> T withTempDirectory(ThrowingFunction<Path, T> f) throws Exception {
Path directory = Files.createTempDirectory("application");
try {
return f.apply(directory);
} finally {
IOUtils.recursiveDeleteDir(directory.toFile());
}
}
private static void writeServicesXml(Path applicationPath, String servicesXml) throws IOException {
Path path = applicationPath.resolve("services.xml");
List<String> output = Arrays.asList("<?xml version=\"1.0\" encoding=\"utf-8\"?>", servicesXml);
Files.write(path, output, StandardCharsets.UTF_8);
}
}
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