Get version information from jar manifest
See https://github.com/remkop/picocli/issues/1663
Change-Id: I9c35e336dd06956967d3a07318c1f397b8518091
diff --git a/pom.xml b/pom.xml
index 256bef1..21fae85 100644
--- a/pom.xml
+++ b/pom.xml
@@ -173,6 +173,7 @@
<addClasspath>true</addClasspath>
<classpathPrefix>lib/</classpathPrefix>
<mainClass>de.ids_mannheim.korap.tokenizer.Main</mainClass>
+ <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
</manifest>
</archive>
</configuration>
@@ -204,6 +205,7 @@
<archive>
<manifest>
<mainClass>de.ids_mannheim.korap.tokenizer.Main</mainClass>
+ <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
</manifest>
</archive>
</configuration>
diff --git a/src/main/java/de/ids_mannheim/korap/tokenizer/Main.java b/src/main/java/de/ids_mannheim/korap/tokenizer/Main.java
index 7115928..ca298ab 100644
--- a/src/main/java/de/ids_mannheim/korap/tokenizer/Main.java
+++ b/src/main/java/de/ids_mannheim/korap/tokenizer/Main.java
@@ -4,13 +4,17 @@
import picocli.CommandLine;
import java.io.*;
+import java.net.URL;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Enumeration;
import java.util.List;
import java.util.concurrent.Callable;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
import java.util.stream.Collectors;
/**
@@ -20,7 +24,7 @@
* @version $Id: $Id
*/
@CommandLine.Command(mixinStandardHelpOptions = true,
- name = "koraptokenizer", version = "2.2.3", description = "Tokenizes (and sentence splits) text input.")
+ name = "koraptokenizer", versionProvider = Main.ManifestVersionProvider.class, description = "Tokenizes (and sentence splits) text input.")
public class Main implements Callable<Integer> {
/**
@@ -271,4 +275,32 @@
}
return 0;
}
+
+ static class ManifestVersionProvider implements CommandLine.IVersionProvider {
+ public String[] getVersion() throws Exception {
+ Enumeration<URL> resources = CommandLine.class.getClassLoader().getResources("META-INF/MANIFEST.MF");
+ while (resources.hasMoreElements()) {
+ URL url = resources.nextElement();
+ try {
+ Manifest manifest = new Manifest(url.openStream());
+ if (isApplicableManifest(manifest)) {
+ Attributes attr = manifest.getMainAttributes();
+ return new String[] {(String) get(attr, "Implementation-Version")};
+ }
+ } catch (IOException ex) {
+ return new String[] { "Unable to read from " + url + ": " + ex };
+ }
+ }
+ return new String[0];
+ }
+
+ private boolean isApplicableManifest(Manifest manifest) {
+ Attributes attributes = manifest.getMainAttributes();
+ return "KorAP-Tokenizer".equals(get(attributes, "Implementation-Title"));
+ }
+
+ private static Object get(Attributes attributes, String key) {
+ return attributes.get(new Attributes.Name(key));
+ }
+ }
}