Examples of de.odysseus.staxon.json.JsonXMLStreamWriter

de.odysseus.staxon.json.JsonXMLStreamWriter
JSON XML stream writer.
Limitations
- Mixed content (e.g. <alice>bob<edgar/></alice>) is not supported.
- writeDTD(...) and writeEntityRef(...) are not supported.
- writeCData(...) delegates to writeCharacters(...).
- writeComment(...) does nothing.
- writeProcessingInstruction(...) does nothing (except for target xml-multiple, see below).
The writer may consume processing instructions (e.g. <?xml-multiple element-name?>) to properly insert JSON array tokens ('[' and ']'). The client provides this instruction through the {@link #writeProcessingInstruction(String,String)} method,passing the (possibly prefixed) field name as data e.g.
```
 ... writer.writeProcessingInstruction("xml-multiple", "item"); for (Item item : items) { writer.writeStartElement("item"); ... writer.writeEndElement(); } ... 
```
The element name passed as processing instruction data is optional. If omitted, the next element within the current scope will start an array. Note, that this method does not allow to create empty arrays (in fact, the above code sample could create unexpected results, if the name would have been omitted and collection were empty).

  private RemoveRootTarget createTarget(StringWriter result, QName root) throws IOException {
    return new RemoveRootTarget(new JsonStreamFactoryImpl().createJsonStreamTarget(result, false), root, ':');
  }


  private JsonXMLStreamWriter createXmlStreamWriter(StringWriter result, QName root) throws IOException {
    return new JsonXMLStreamWriter(createTarget(result, root), false, true, ':', true);
  }

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   * <code>&lt;alice&gt;&lt;bob&gt;charlie&lt;/bob&gt;&lt;bob&gt;david&lt;/bob&gt;&lt;/alice&gt;</code>
   */
  @Test
  public void testArray() throws Exception {
    StringWriter result = new StringWriter();
    JsonXMLStreamWriter writer = createXmlStreamWriter(result, new QName("alice"));
    writer.writeStartDocument();
    writer.writeStartElement("alice");
    writer.writeStartArray("bob");
    writer.writeStartElement("bob");
    writer.writeCharacters("charlie");
    writer.writeEndElement();
    writer.writeStartElement("bob");
    writer.writeCharacters("david");
    writer.writeEndElement();
    writer.writeEndArray();
    writer.writeEndElement();
    writer.writeEndDocument();
    writer.close();
    Assert.assertEquals("{\"bob\":[\"charlie\",\"david\"]}", result.toString());
  }

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  private AutoArrayTarget createTarget(StringWriter result) throws IOException {
    return new AutoArrayTarget(new JsonStreamFactoryImpl().createJsonStreamTarget(result, false));
  }
  
  private JsonXMLStreamWriter createXmlStreamWriter(StringWriter result) throws IOException {
    return new JsonXMLStreamWriter(createTarget(result), false, true, ':', true);
  }

View Full Code Here

  }


  @Test
  public void testArray3() throws Exception {
    StringWriter result = new StringWriter();
    JsonXMLStreamWriter writer = createXmlStreamWriter(result);
    writer.writeStartDocument();
    writer.writeStartElement("alice");
    writer.writeStartArray("bob");
    writer.writeStartElement("bob");
    writer.writeCharacters("charlie");
    writer.writeEndElement();
    writer.writeEndArray();
    writer.writeEndElement();
    writer.writeEndDocument();
    writer.close();
    Assert.assertEquals("{\"alice\":{\"bob\":[\"charlie\"]}}", result.toString());
  }

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  private AutoPrimitiveTarget createTarget(StringWriter result) throws IOException {
    return new AutoPrimitiveTarget(new JsonStreamFactoryImpl().createJsonStreamTarget(result, false), false);
  }
  
  private JsonXMLStreamWriter createXmlStreamWriter(StringWriter result) throws IOException {
    return new JsonXMLStreamWriter(createTarget(result), false, true, ':', true);
  }

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Related Classes of de.odysseus.staxon.json.JsonXMLStreamWriter

de.odysseus.staxon.json.stream.util.AutoArrayTargetTest

de.odysseus.staxon.json.stream.util.AutoPrimitiveTargetTest

de.odysseus.staxon.json.stream.util.RemoveRootTargetTest

javax.xml.stream.XMLStreamException

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Examples of de.odysseus.staxon.json.JsonXMLStreamWriter

Limitations

Related Classes of de.odysseus.staxon.json.JsonXMLStreamWriter