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Improved version detection to be more reliable.

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This commit is contained in:
sk89q 2010-12-25 20:52:56 -08:00
parent d94fe00e3e
commit e67d01cbb9
1 changed files with 29 additions and 13 deletions
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42
src/WorldEdit.java
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@ -38,6 +38,12 @@ public class WorldEdit extends Plugin {
* WorldEditLibrary instance.
*/
private static final WorldEditListener listener = new WorldEditListener();
/**
* WorldEdit version, fetched from the .jar's manifest. Used to print the
* WorldEdit version in various places.
*/
private String version;
/**
* Initializes the plugin.
@ -81,22 +87,32 @@ public class WorldEdit extends Plugin {
}
/**
* Get the WorldEdit version.
*
* Get the CraftBook version.
*
* @return
*/
private String getVersion() {
try {
String classContainer = WorldEdit.class.getProtectionDomain()
.getCodeSource().getLocation().toString();
URL manifestUrl = new URL("jar:" + classContainer + "!/META-INF/MANIFEST.MF");
Manifest manifest = new Manifest(manifestUrl.openStream());
Attributes attrib = manifest.getMainAttributes();
String ver = (String)attrib.getValue("WorldEdit-Version");
return ver != null ? ver : "(unavailable)";
} catch (IOException e) {
return "(unknown)";
public String getVersion() {
if (version != null) {
return version;
}
Package p = WorldEdit.class.getPackage();
if (p == null) {
p = Package.getPackage("com.sk89q.worldedit");
}
if (p == null) {
version = "(unknown)";
} else {
version = p.getImplementationVersion();
if (version == null) {
version = "(unknown)";
}
}
return version;
}
/**