powerbroker commented on code in PR #34:
URL: https://github.com/apache/geronimo-xbean/pull/34#discussion_r1051438054
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xbean-finder/src/main/java/org/apache/xbean/finder/archive/JarArchive.java:
##########
@@ -41,22 +44,63 @@ public class JarArchive implements Archive, AutoCloseable {
private final JarFile jar;
private final MJarSupport mjar = new MJarSupport();
- public JarArchive(ClassLoader loader, URL url) {
+ /*
+ * Supports only 'file:/...' or 'jar:file:/...!/' URLs
+ */
+ public JarArchive(ClassLoader loader, URL url){
// if (!"jar".equals(url.getProtocol())) throw new
IllegalArgumentException("not a jar url: " + url);
- try {
- this.loader = loader;
- this.url = url;
- URL u = url;
+ this.loader = loader;
+ this.url = url;
+ File jarFile = null;
+ String jarPath;
+ int idx;
- String jarPath = url.getFile();
- if (jarPath.contains("!")) {
- jarPath = jarPath.substring(0, jarPath.indexOf("!"));
- u = new URL(jarPath);
+ // Wipe out 'jar:' prefix AND '!/{...}' suffix(if any)
+ if("jar".equalsIgnoreCase(url.getProtocol())){
+
+ try{
+ jarPath = url.getPath();
+ url = new URL(jarPath.substring(0, jarPath.lastIndexOf("!/")));
+ }catch(MalformedURLException ex){
+ // Probably CPU overheat and/or DRAM undervoltage
+ throw new UnsupportedOperationException(
+ "Please provide 'file:/...' or 'jar:file:/...!/' URL"
+ + " instead of '" +
FileArchive.decode(String.valueOf(url)) + "'");
}
- jar = new JarFile(FileArchive.decode(u.getFile())); // no more an
url
- } catch (IOException e) {
- throw new IllegalStateException(e);
+ }
+
+ try{
+ // handle 'file:/...' URL
+ if("file".equalsIgnoreCase(url.getProtocol())){
+
+ // Testing if file DOEN't exists AND cutting !/{...}'
+ // suffix-by-suffix until file discovered or run out of
suffixes
+ for(jarPath = FileArchive.decode(url.getPath());
+ !(jarFile = new File(jarPath)).exists()
+ && (idx = jarPath.lastIndexOf("!/")) > 0;
+ jarPath = jarPath.substring(0, idx)){ }
+
+ // No more suffixes to cut, but referenced file wasn't
discovered
+ if(!jarFile.exists()){
+
+ // To be caught later and wrapped into IllegalStateEx -
default behavior
+ throw new
FileNotFoundException(FileArchive.decode(String.valueOf(url)));
+ }
+
+ }else{
+ throw new UnsupportedOperationException(
+ "Please provide 'file:/...' or 'jar:file:/...!/' URL"
+ + " instead of '" +
FileArchive.decode(String.valueOf(url)) + "'");
+ }
+
+ jar = new JarFile(jarFile);
+
+ }catch(IOException e){
+ throw new IllegalStateException("Cannot open jar(zip) '"
+ + jarFile != null ? // why can it be null? but since
compiler thinks so...
Review Comment:
ok, it knows better
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