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package dslog;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import java.util.function.Supplier;
class Logdir {
public static class LogSet {
public final String name;
public LogSet(String name) {
this.name = name;
}
public Path dslogPath, dseventsPath, pdplogPath;
public String toString() {
return name+" "+verstr(this::dslog)+"/"+verstr(this::dsevents)+"/"+verstr(this::pdplog);
}
private static String verstr(Versioned.Supplier getter) {
try (Versioned thing = getter.get()) {
if (thing == null) {
return "␕";
}
return ""+thing.version();
} catch (IOException e) {
return "☠";
}
}
public DslogReader dslog() throws IOException {
if (dslogPath == null) {
return null;
}
return new DslogReader(Files.newInputStream(dslogPath));
}
public DseventsReader dsevents() throws IOException {
if (dseventsPath == null) {
return null;
}
return new DseventsReader(Files.newInputStream(dseventsPath));
}
public PdplogReader pdplog() throws IOException {
if (pdplogPath == null) {
return null;
}
return new PdplogReader(Files.newInputStream(pdplogPath));
}
}
private static LogSet getSet(Map<String, LogSet> sets, String filename) {
String setname = filename.substring(0, filename.lastIndexOf('.'));
LogSet set;
set = sets.get(setname);
if (set == null) {
set = new LogSet(setname);
sets.put(set.name, set);
}
return set;
}
public static SortedMap<String, LogSet> opendir(String dirname) throws IOException {
SortedMap<String, LogSet> logsets = new TreeMap<String, LogSet>();
List<Exception> errs = new ArrayList<Exception>();
Files.list(Paths.get(dirname)).forEach(filepath->{
String filename = filepath.getFileName().toString();
if (filename.endsWith(".dslog")) {
getSet(logsets, filename).dslogPath = filepath;
} else if (filename.endsWith(".dsevents")) {
getSet(logsets, filename).dseventsPath = filepath;
} else if (filename.endsWith(".pdplog")) {
getSet(logsets, filename).pdplogPath = filepath;
}
});
return logsets;
}
}
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