org.argeo.slc.repo/src/org/argeo/slc/repo/osgi/OsgiProfile.java

   1 package org.argeo.slc.repo.osgi;
   2
   3 import java.io.InputStream;
   4 import java.net.URL;
   5 import java.util.ArrayList;
   6 import java.util.Collections;
   7 import java.util.List;
   8 import java.util.Properties;
   9
  10 import org.apache.commons.io.IOUtils;
  11 import org.argeo.slc.SlcException;
  12
  13 /**
  14  * Wraps an OSGi profile, simplifying access to its values such as system
  15  * packages, etc.
  16  */
  17 public class OsgiProfile {
  18         public final static String PROP_SYSTEM_PACKAGES = "org.osgi.framework.system.packages";
  19
  20         public final static OsgiProfile PROFILE_JAVA_SE_1_6 = new OsgiProfile("JavaSE-1.6.profile");
  21
  22         private final URL url;
  23         private final Properties properties;
  24
  25         public OsgiProfile(URL url) {
  26                 this.url = url;
  27                 properties = new Properties();
  28                 InputStream in = null;
  29                 try {
  30                         properties.load(this.url.openStream());
  31                 } catch (Exception e) {
  32                         throw new SlcException("Cannot initalize OSGi profile " + url, e);
  33                 } finally {
  34                         IOUtils.closeQuietly(in);
  35                 }
  36         }
  37
  38         public OsgiProfile(String name) {
  39                 this(OsgiProfile.class.getClassLoader()
  40                                 .getResource('/' + OsgiProfile.class.getPackage().getName().replace('.', '/') + '/' + name));
  41         }
  42
  43         public List<String> getSystemPackages() {
  44                 String[] splitted = properties.getProperty(PROP_SYSTEM_PACKAGES).split(",");
  45                 List<String> res = new ArrayList<String>();
  46                 for (String pkg : splitted) {
  47                         res.add(pkg.trim());
  48                 }
  49                 return Collections.unmodifiableList(res);
  50         }
  51 }