runtime/org.argeo.slc.repo/src/main/java/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(
  21                         "JavaSE-1.6.profile");
  22
  23         private final URL url;
  24         private final Properties properties;
  25
  26         public OsgiProfile(URL url) {
  27                 this.url = url;
  28                 properties = new Properties();
  29                 InputStream in = null;
  30                 try {
  31                         properties.load(this.url.openStream());
  32                 } catch (Exception e) {
  33                         throw new SlcException("Cannot initalize OSGi profile " + url, e);
  34                 } finally {
  35                         IOUtils.closeQuietly(in);
  36                 }
  37         }
  38
  39         public OsgiProfile(String name) {
  40                 this(OsgiProfile.class.getClassLoader().getResource(
  41                                 '/'
  42                                                 + OsgiProfile.class.getPackage().getName()
  43                                                                 .replace('.', '/') + '/' + name));
  44         }
  45
  46         public List<String> getSystemPackages() {
  47                 String[] splitted = properties.getProperty(PROP_SYSTEM_PACKAGES).split(
  48                                 ",");
  49                 List<String> res = new ArrayList<String>();
  50                 for (String pkg : splitted) {
  51                         res.add(pkg.trim());
  52                 }
  53                 return Collections.unmodifiableList(res);
  54         }
  55 }