Examples of java.beans.XMLEncoder$Record

java.beans.XMLEncoder
XMLEncoder extends Encoder to write out the encoded statements and expressions in xml format. The xml can be read by XMLDecoder later to restore objects and their states.
The API is similar to ObjectOutputStream.


  /**
   * Serialize a single Task.
   */
  public static void serializeTasks(Task<? extends Serializable> t, OutputStream out) {
    XMLEncoder e = new XMLEncoder(out);
    // workaround for java 1.5
    e.setPersistenceDelegate(ExpressionTypes.class, new EnumDelegate());
    e.setPersistenceDelegate(GroupByDesc.Mode.class, new EnumDelegate());
    e.setPersistenceDelegate(Operator.ProgressCounter.class, new EnumDelegate());


    e.writeObject(t);
    e.close();
  }

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  /**
   * Serialize the whole query plan.
   */
  public static void serializeQueryPlan(QueryPlan plan, OutputStream out) {
    XMLEncoder e = new XMLEncoder(out);
    e.setExceptionListener(new ExceptionListener() {
      public void exceptionThrown(Exception e) {
        LOG.warn(org.apache.hadoop.util.StringUtils.stringifyException(e));
        throw new RuntimeException("Cannot serialize the query plan", e);
      }
    });
    // workaround for java 1.5
    e.setPersistenceDelegate(ExpressionTypes.class, new EnumDelegate());
    e.setPersistenceDelegate(GroupByDesc.Mode.class, new EnumDelegate());
    e.setPersistenceDelegate(Operator.ProgressCounter.class, new EnumDelegate());


    e.setPersistenceDelegate(org.datanucleus.sco.backed.Map.class, new MapDelegate());
    e.setPersistenceDelegate(org.datanucleus.sco.backed.List.class, new ListDelegate());


    e.writeObject(plan);
    e.close();
  }

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  /**
   * Serialize the mapredWork object to an output stream. DO NOT use this to write to standard
   * output since it closes the output stream. DO USE mapredWork.toXML() instead.
   */
  public static void serializeMapRedWork(MapredWork w, OutputStream out) {
    XMLEncoder e = new XMLEncoder(out);
    // workaround for java 1.5
    e.setPersistenceDelegate(ExpressionTypes.class, new EnumDelegate());
    e.setPersistenceDelegate(GroupByDesc.Mode.class, new EnumDelegate());
    e.writeObject(w);
    e.close();
  }

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  /**
   * Serialize the mapredLocalWork object to an output stream. DO NOT use this to write to standard
   * output since it closes the output stream. DO USE mapredWork.toXML() instead.
   */
  public static void serializeMapRedLocalWork(MapredLocalWork w, OutputStream out) {
    XMLEncoder e = new XMLEncoder(out);
    // workaround for java 1.5
    e.setPersistenceDelegate(ExpressionTypes.class, new EnumDelegate());
    e.setPersistenceDelegate(GroupByDesc.Mode.class, new EnumDelegate());
    e.writeObject(w);
    e.close();
  }

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 */
@SuppressWarnings("CallToPrintStackTrace")
class TreeXmlSerializer {


  public static void write(final DefaultTreeModel model, final String filename) {
    XMLEncoder encoder = null;
    FileOutputStream fileOutputStream = null;
    BufferedOutputStream stream = null;


    try {
      fileOutputStream = new FileOutputStream(filename);
      stream = new BufferedOutputStream(fileOutputStream);
      encoder = new XMLEncoder(stream);
      encoder.writeObject(model);
    } catch (final FileNotFoundException e) {
      e.printStackTrace();
    } finally {
      try {
        if (fileOutputStream != null) {
          fileOutputStream.close();
        }
        if (stream != null) {
          stream.close();
        }
      } catch (final IOException e) {
        e.printStackTrace();
      }
      if (encoder != null) {
        encoder.close();
      }
    }
  }

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    CRError e = new CRError(ex);
    if (!isDebug) {
      e.setStringStackTrace(null);
    }


    XMLEncoder enc = new XMLEncoder(new BufferedOutputStream(stream));


    enc.writeObject(e);


    enc.close();


  }

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    if (this.resolvableColl.isEmpty()) {
      //No Data Found
      throw new CRException("NoDataFound", "Data could not be found.", CRException.ERRORTYPE.NO_DATA_FOUND);
    } else {
      //Elements found/status ok
      XMLEncoder e = new XMLEncoder(new BufferedOutputStream(stream));
      String[] options = this.getOptionsArray();
      if (options != null) {
        ArrayList<String> optArr = new ArrayList<String>(Arrays.asList(options));


        if (optArr.contains("nobytearray")) {
          this.preprocessingNoByteArray(this.resolvableColl);
        }
      }


      e.writeObject(this.resolvableColl);
      e.close();
    }


  }

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    /**
     * Regression test for HARMONY-1890
     */
    public void testDecodeEmptyStringArray1890() {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        XMLEncoder encoder = new XMLEncoder(out);
        XMLDecoder decoder;
        Object obj;


        encoder.writeObject(new String[10]);
        encoder.close();


        decoder = new XMLDecoder(new ByteArrayInputStream(out.toByteArray()));
        obj = decoder.readObject();
        decoder.close();

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            // Expected
        }
    }


    public void testWriteExpression_Scenario2() {
        XMLEncoder xmlEncoder = new XMLEncoder(new ByteArrayOutputStream());
        try {
            xmlEncoder.writeExpression((Expression) null);
            fail("should throw NullPointerException");
        } catch (NullPointerException e) {
            // Expected
        }
    }

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    public void testWriteStatement() {
        // covered by testWriteStatement


         //Regression for HARMONY-1521
         //no exception expected
         new XMLEncoder(new ByteArrayOutputStream()).writeStatement(null);
    }

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