Helfer SwingGestalt

Jan Burse, erstellt 28. Apr 2019
package matula.util.swing;
import matula.util.config.ForeignArchive;
import matula.util.config.GestaltEntry;
import matula.util.data.ListArray;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.jar.Attributes;
import java.util.jar.JarInputStream;
import java.util.jar.Manifest;
/**
* <p>Hotspot current directory and path discovery.</p>
* <p/>
* Warranty & Liability
* To the extent permitted by applicable law and unless explicitly
* otherwise agreed upon, XLOG Technologies GmbH makes no warranties
* regarding the provided information. XLOG Technologies GmbH assumes
* no liability that any problems might be solved with the information
* provided by XLOG Technologies GmbH.
* <p/>
* Rights & License
* All industrial property rights regarding the information - copyright
* and patent rights in particular - are the sole property of XLOG
* Technologies GmbH. If the company was not the originator of some
* excerpts, XLOG Technologies GmbH has at least obtained the right to
* reproduce, change and translate the information.
* <p/>
* Reproduction is restricted to the whole unaltered document. Reproduction
* of the information is only allowed for non-commercial uses. Selling,
* giving away or letting of the execution of the library is prohibited.
* The library can be distributed as part of your applications and libraries
* for execution provided this comment remains unchanged.
* <p/>
* Restrictions
* Only to be distributed with programs that add significant and primary
* functionality to the library. Not to be distributed with additional
* software intended to replace any components of the library.
* <p/>
* Trademarks
* Jekejeke is a registered trademark of XLOG Technologies GmbH.
*/
public final class SwingGestalt {
private static final String DIRECTORY_APK = "apk";
/**
* <p>Retrieve the base.</p>
*
* @return The base.
*/
public static String getBase() {
File userdir = new File(System.getProperty("user.dir"));
return userdir.toURI().toString();
}
/**
* <p>Load the discovery.</p>
*
* @param base The base.
* @return The discovery.
* @throws IOException Shit happens.
*/
public static ListArray<GestaltEntry> loadDiscoveries(String base)
throws IOException {
ListArray<GestaltEntry> paths = new ListArray<GestaltEntry>();
base = ForeignArchive.extractPath(base);
if (base == null)
return paths;
File file = new File(base, SwingGestalt.DIRECTORY_APK);
ListArray<String> list = ForeignArchive.listDirectory(null, file);
if (list == null)
return paths;
for (int i = 0; i < list.size(); i++) {
base = list.get(i);
if (base.endsWith("/"))
continue;
if (base.startsWith("."))
continue;
File file2 = new File(file, base);
Attributes at = SwingGestalt.getAttributes(file2);
String dstr = (at != null ? at.getValue("dontask") : null);
boolean dontask = (dstr != null ? Boolean.valueOf(dstr) : true);
String path = SwingGestalt.DIRECTORY_APK + "/" + base;
GestaltEntry pse = new GestaltEntry(path, dontask);
paths.add(pse);
}
return paths;
}
/**
* <p>Retrieve the manifest attributes for a file.</p>
*
* @param file The file.
* @return The manifest attributes.
* @throws IOException Shit happens.
*/
private static Attributes getAttributes(File file)
throws IOException {
FileInputStream in = new FileInputStream(file);
JarInputStream jr;
try {
jr = new JarInputStream(in);
} catch (IOException x) {
in.close();
throw x;
}
Manifest mf = jr.getManifest();
jr.close();
return (mf != null ? mf.getMainAttributes() : null);
}
}

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