bundles/org.simantics.scl.osgi/src/org/simantics/scl/osgi/internal/BundleDocumentationSource.java

   1 package org.simantics.scl.osgi.internal;\r
   2 \r
   3 import java.io.IOException;\r
   4 import java.io.InputStream;\r
   5 import java.net.URL;\r
   6 import java.nio.charset.Charset;\r
   7 import java.util.Arrays;\r
   8 \r
   9 import org.osgi.framework.Bundle;\r
  10 \r
  11 public class BundleDocumentationSource {\r
  12     public static final Charset UTF8 = Charset.forName("UTF-8");  \r
  13     \r
  14     public final String documentationName;\r
  15     public final Bundle bundle;\r
  16     public final URL url;\r
  17     \r
  18     public BundleDocumentationSource(String documentationName, Bundle bundle,\r
  19             URL url) {\r
  20         this.documentationName = documentationName;\r
  21         this.bundle = bundle;\r
  22         this.url = url;\r
  23     }\r
  24 \r
  25     public String getText() {\r
  26         try {\r
  27             InputStream stream = url.openStream();\r
  28             try {\r
  29                 byte[] buffer = new byte[1024];\r
  30                 int pos = 0;\r
  31                 while(true) {\r
  32                     int count = stream.read(buffer, pos, buffer.length-pos);\r
  33                     if(count <= 0)\r
  34                         break;\r
  35                     pos += count;\r
  36                     if(pos == buffer.length)\r
  37                         buffer = Arrays.copyOf(buffer, buffer.length*2);\r
  38                 }\r
  39                 return new String(buffer, 0, pos, UTF8);\r
  40             } finally {\r
  41                 stream.close();\r
  42             }\r
  43         } catch(IOException e) {\r
  44             e.printStackTrace();\r
  45             return null;\r
  46         }\r
  47     }\r
  48 }\r