Examples of org.openrdf.rio.RDFHandlerException

org.openrdf.rio.RDFHandlerException
An exception that can be thrown by an RDFHandler when it encounters an unrecoverable error. If an exception is associated with the error then this exception can be wrapped in an RDFHandlerException and can later be retrieved from it when the RDFHandlerException is catched using the getCause() .

                    }
                } else {
                    c.addStatement(s.getSubject(), s.getPredicate(), s.getObject(), s.getContext());
                }
            } catch (SailException e) {
                throw new RDFHandlerException(e);
            }
        }

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        public void endRDF() throws RDFHandlerException {
            try {
                c.commit();
                c.begin();
            } catch (SailException e) {
                throw new RDFHandlerException(e);
            }
        }

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        public void handleNamespace(String prefix, String uri) throws RDFHandlerException {
            try {
                c.setNamespace(prefix, uri);
            } catch (SailException e) {
                throw new RDFHandlerException(e);
            }


            incrementCount();
        }

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        public void handleStatement(Statement statement) throws RDFHandlerException {
            try {
                c.addStatement(statement.getSubject(), statement.getPredicate(), statement.getObject(), statement.getContext());
            } catch (SailException e) {
                throw new RDFHandlerException(e);
            }


            incrementCount();
        }

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                    if (verbose && 0 == count % loggingBufferSize) {
                        LOGGER.info("" + System.currentTimeMillis() + "\t" + count);
                    }
                } catch (SailException e) {
                    throw new RDFHandlerException(e);
                }
            }
        }

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    try {
      closeActiveContext();
      writer.flush();
    }
    catch (IOException e) {
      throw new RDFHandlerException(e);
    }
  }

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        currentContext = context;
        inActiveContext = true;
      }
    }
    catch (IOException e) {
      throw new RDFHandlerException(e);
    }


    super.handleStatement(st);
  }

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  public void startRDF()
    throws RDFHandlerException
  {
    if (writingStarted) {
      throw new RDFHandlerException("Document writing has already started");
    }


    try {
      xmlWriter.startDocument();


      xmlWriter.setAttribute("xmlns", NAMESPACE);
      xmlWriter.startTag(ROOT_TAG);
    }
    catch (IOException e) {
      throw new RDFHandlerException(e);
    }
    finally {
      writingStarted = true;
    }
  }

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  public void endRDF()
    throws RDFHandlerException
  {
    if (!writingStarted) {
      throw new RDFHandlerException("Document writing has not yet started");
    }


    try {
      if (inActiveContext) {
        xmlWriter.endTag(CONTEXT_TAG);
        inActiveContext = false;
        currentContext = null;
      }
      xmlWriter.endTag(ROOT_TAG);
      xmlWriter.endDocument();
    }
    catch (IOException e) {
      throw new RDFHandlerException(e);
    }
    finally {
      writingStarted = false;
    }
  }

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  public void handleStatement(Statement st)
    throws RDFHandlerException
  {
    if (!writingStarted) {
      throw new RDFHandlerException("Document writing has not yet been started");
    }


    try {
      Resource context = st.getContext();


      if (inActiveContext && !contextsEquals(context, currentContext)) {
        // Close currently active context
        xmlWriter.endTag(CONTEXT_TAG);
        inActiveContext = false;
      }


      if (!inActiveContext) {
        // Open new context
        xmlWriter.startTag(CONTEXT_TAG);


        if (context != null) {
          writeValue(context);
        }


        currentContext = context;
        inActiveContext = true;
      }


      xmlWriter.startTag(TRIPLE_TAG);


      writeValue(st.getSubject());
      writeValue(st.getPredicate());
      writeValue(st.getObject());


      xmlWriter.endTag(TRIPLE_TAG);
    }
    catch (IOException e) {
      throw new RDFHandlerException(e);
    }
  }

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