Exemplo n.º 1
0
  /**
   * Return the XMIHeader for the specified File or null if the file does not represent a MetaMatrix
   * model file.
   *
   * @param resource The file of a metamatrix model file.
   * @return The XMIHeader for the model file
   */
  public static XMIHeader getXmiHeader(final File resource) {
    if (resource != null && resource.isFile() && resource.exists() && resource.canRead()) {
      // check cache
      if (CACHE != null) {
        XMIHeader header = CACHE.getCachedXmiHeader(resource);
        if (header != null) {
          return header;
        }
      }
      try {
        XMIHeader header = XMIHeaderReader.readHeader(resource);
        // add to cache
        if (CACHE != null) {
          CACHE.setXmiHeaderToCache(resource, header);
        }
        return header;
      } catch (TeiidException e) {
        LogManager.logWarning(RuntimeMetadataPlugin.PLUGIN_ID, e, e.getMessage());
      } catch (IllegalArgumentException iae) {
        // Swallowing this exception because we're doing all three checks that would produce it.
        // If this exception is caught, it's because the files really were closed/deleted in another
        // thread and this
        // thread didn't know about it.
        // Fixes Defect 22117
      }
    }

    return null;
  }
Exemplo n.º 2
0
 /**
  * Return the XMIHeader for the specified inputstream of a model file.
  *
  * @param resourceStream The inputStream of a metamatrix model file.
  * @return The XMIHeader for the model file
  */
 public static XMIHeader getXmiHeader(final InputStream resourceStream) {
   if (resourceStream != null) {
     try {
       return XMIHeaderReader.readHeader(resourceStream);
     } catch (TeiidException e) {
       LogManager.logWarning(RuntimeMetadataPlugin.PLUGIN_ID, e, e.getMessage());
     }
   }
   return null;
 }