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package cuchaz.enigma.command;
import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import com.google.common.io.MoreFiles;
import cuchaz.enigma.Enigma;
import cuchaz.enigma.EnigmaProject;
import cuchaz.enigma.ProgressListener;
import cuchaz.enigma.classprovider.ClasspathClassProvider;
import cuchaz.enigma.translation.mapping.EntryMapping;
import cuchaz.enigma.translation.mapping.serde.MappingFormat;
import cuchaz.enigma.translation.mapping.serde.MappingSaveParameters;
import cuchaz.enigma.translation.mapping.tree.EntryTree;
public abstract class Command {
public final String name;
protected Command(String name) {
this.name = name;
}
public abstract String getUsage();
public abstract boolean isValidArgument(int length);
public abstract void run(String... args) throws Exception;
protected static EnigmaProject openProject(Path fileJarIn, Path fileMappings) throws Exception {
ProgressListener progress = new ConsoleProgressListener();
Enigma enigma = Enigma.create();
System.out.println("Reading jar...");
EnigmaProject project = enigma.openJar(fileJarIn, new ClasspathClassProvider(), progress);
if (fileMappings != null) {
System.out.println("Reading mappings...");
MappingSaveParameters saveParameters = enigma.getProfile().getMappingSaveParameters();
EntryTree<EntryMapping> mappings = chooseEnigmaFormat(fileMappings).read(fileMappings, progress, saveParameters);
project.setMappings(mappings);
}
return project;
}
protected static MappingFormat chooseEnigmaFormat(Path path) {
if (Files.isDirectory(path)) {
return MappingFormat.ENIGMA_DIRECTORY;
} else if ("zip".equalsIgnoreCase(MoreFiles.getFileExtension(path))) {
return MappingFormat.ENIGMA_ZIP;
} else {
return MappingFormat.ENIGMA_FILE;
}
}
protected static File getWritableFile(String path) {
if (path == null) {
return null;
}
File file = new File(path).getAbsoluteFile();
File dir = file.getParentFile();
if (dir == null) {
throw new IllegalArgumentException("Cannot write file: " + path);
}
// quick fix to avoid stupid stuff in Gradle code
if (!dir.isDirectory()) {
dir.mkdirs();
}
return file;
}
protected static File getWritableFolder(String path) {
if (path == null) {
return null;
}
File dir = new File(path).getAbsoluteFile();
if (!dir.exists()) {
throw new IllegalArgumentException("Cannot write to folder: " + dir);
}
return dir;
}
protected static File getReadableFile(String path) {
if (path == null) {
return null;
}
File file = new File(path).getAbsoluteFile();
if (!file.exists()) {
throw new IllegalArgumentException("Cannot find file: " + file.getAbsolutePath());
}
return file;
}
protected static Path getReadablePath(String path) {
if (path == null) {
return null;
}
Path file = Paths.get(path).toAbsolutePath();
if (!Files.exists(file)) {
throw new IllegalArgumentException("Cannot find file: " + file.toString());
}
return file;
}
protected static String getArg(String[] args, int i, String name, boolean required) {
if (i >= args.length) {
if (required) {
throw new IllegalArgumentException(name + " is required");
} else {
return null;
}
}
return args[i];
}
public static class ConsoleProgressListener implements ProgressListener {
private static final int ReportTime = 5000; // 5s
private int totalWork;
private long startTime;
private long lastReportTime;
@Override
public void init(int totalWork, String title) {
this.totalWork = totalWork;
this.startTime = System.currentTimeMillis();
this.lastReportTime = this.startTime;
System.out.println(title);
}
@Override
public void step(int numDone, String message) {
long now = System.currentTimeMillis();
boolean isLastUpdate = numDone == this.totalWork;
boolean shouldReport = isLastUpdate || now - this.lastReportTime > ReportTime;
if (shouldReport) {
int percent = numDone * 100 / this.totalWork;
System.out.println(String.format("\tProgress: %3d%%", percent));
this.lastReportTime = now;
}
if (isLastUpdate) {
double elapsedSeconds = (now - this.startTime) / 1000.0;
System.out.println(String.format("Finished in %.1f seconds", elapsedSeconds));
}
}
}
}
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