74 lines
3.3 KiB
Java
74 lines
3.3 KiB
Java
package io.gitlab.jfronny.inceptum.launcher.system.exporter;
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import io.gitlab.jfronny.inceptum.common.Utils;
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import io.gitlab.jfronny.inceptum.launcher.system.instance.*;
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import io.gitlab.jfronny.inceptum.launcher.util.*;
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import io.gitlab.jfronny.inceptum.launcher.util.gitignore.IgnoringWalk;
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import java.io.IOException;
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import java.net.URISyntaxException;
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import java.nio.file.*;
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import java.util.Objects;
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public abstract class Exporter<Manifest> {
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private final String name;
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private final String fileExtension;
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private final String overridesDirName;
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public Exporter(String name, String fileExtension, String overridesDirName) {
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this.name = Objects.requireNonNull(name);
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this.fileExtension = Objects.requireNonNull(fileExtension);
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this.overridesDirName = Objects.requireNonNull(overridesDirName);
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}
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protected abstract Manifest generateManifests(Path root, Instance instance, String version) throws IOException;
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protected abstract void addMods(Path root, Instance instance, Iterable<Mod> mods, Manifest manifest, Path modsOverrides) throws IOException;
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public void generate(ProcessState state, Instance instance, Path exportPath, String version) throws IOException {
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if (Files.exists(exportPath)) Files.delete(exportPath);
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try (FileSystem fs = Utils.openZipFile(exportPath, true)) {
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Path root = fs.getPath(".");
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Path overrides = fs.getPath(overridesDirName);
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state.incrementStep("Preparing manifests");
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Manifest manifest = generateManifests(root, instance, version);
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if (instance.isFabric()) {
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state.incrementStep("Adding mods");
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addMods(root, instance, new StreamIterable<>(instance.getMods().stream().filter(mod -> {
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if (!mod.isEnabled()) return false;
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state.updateStep(mod.getName());
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return true;
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})), manifest, overrides.resolve("mods"));
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}
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state.incrementStep("Adding files");
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filesLoop: for (Path path : new StreamIterable<>(IgnoringWalk.walk(instance.path()))) {
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Path relativePath = instance.path().relativize(path).normalize();
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Path target = overrides;
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for (Path segment : relativePath) {
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if (target == overrides && segment.toString().equals("mods")) continue filesLoop;
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if (segment.toString().startsWith(".")) continue filesLoop;
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target = target.resolve(segment.toString());
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}
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state.updateStep(relativePath.toString());
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Files.createDirectories(target.getParent());
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Files.copy(path, target);
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}
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state.incrementStep("Cleaning up");
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Files.walkFileTree(root, new CleanupFileVisitor());
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} catch (URISyntaxException se) {
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// Can only be thrown by openZipFile, the target file therefore cannot exist
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throw new IOException("Could not open export path", se);
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} catch (Throwable t) {
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if (Files.exists(exportPath)) Files.delete(exportPath);
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throw t;
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}
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}
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public String getName() {
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return name;
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}
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public String getFileExtension() {
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return fileExtension;
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}
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}
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