sdnr/wireless-transport/code-Carbon-SR1/apps/info/impl/src/main/java/com/highstreet/technologies/info/KarafBundleList.java

   1 package com.highstreet.technologies.info;
   2
   3 import java.io.File;
   4 import java.io.FileInputStream;
   5 import java.io.FileNotFoundException;
   6 import java.io.IOException;
   7 import java.nio.file.Path;
   8 import java.util.ArrayList;
   9 import java.util.jar.Attributes;
  10 import java.util.jar.JarInputStream;
  11 import java.util.jar.Manifest;
  12
  13 import org.slf4j.Logger;
  14 import org.slf4j.LoggerFactory;
  15
  16 public class KarafBundleList extends ArrayList<KarafBundle>{
  17
  18
  19         private static Logger LOG = LoggerFactory.getLogger(KarafBundleList.class);
  20         /**
  21          *
  22          */
  23         private static final long serialVersionUID = 2856302408338858883L;
  24         private final Path _root;
  25         public KarafBundleList(String root)
  26         {
  27                 this._root=new File(root).toPath();
  28         }
  29         public void scan()
  30         {
  31                 LOG.debug("start scanning "+this._root.toString()+" for bundles");
  32                 for(File f : this._root.toFile().listFiles())
  33                 {
  34                         if(!f.isDirectory())
  35                                 continue;
  36                         int id=Integer.parseInt(f.getName());
  37                         File bundleFile=new File(f,"1/bundlefile");
  38                         if(bundleFile.exists() && bundleFile.isFile())
  39                         {
  40                                 LOG.trace("try to load bundleinfos for "+bundleFile.getName()+"("+id+")");
  41                                 try {
  42                                         KarafBundle infos=this._readManifestFromZip(id,bundleFile);
  43                                         this.add(infos);
  44                                 } catch (IOException e) {
  45                                         LOG.warn("problem reading bundle with id="+id+": "+e.getMessage());
  46                                 }
  47                         }
  48                 }
  49         }
  50         private KarafBundle _readManifestFromZip(int id,File bundleFile) throws FileNotFoundException, IOException  {
  51
  52                 JarInputStream jarStream = new JarInputStream(new FileInputStream(bundleFile));
  53                 Manifest mf = jarStream.getManifest();
  54                 Attributes a=mf.getMainAttributes();
  55                 jarStream.close();
  56                 return new KarafBundle(id, a.getValue("Bundle-Name"), a.getValue("Bundle-SymbolicName"), a.getValue("Bundle-Vendor"), a.getValue("Bundle-Version"));
  57         }
  58
  59         public String toJSON()
  60         {
  61                 return "["+String.join(",", this)+"]";
  62         }
  63 }