How to use org.jbpm.form.builder.services.model.forms

@Override
@SuppressWarnings("unchecked")
public void setDataMap(Map<String, Object> dataMap) throws FormEncodingException {
  FormRepresentationDecoder decoder = FormEncodingFactory.getDecoder();
  this.mimeType = (String) dataMap.get("mimeType");
  this.name = (String) dataMap.get("name");
  this.value = (String) dataMap.get("value");
  this.formatter = (Formatter) decoder
      .decode((Map<String, Object>) dataMap.get("formatter"));
}

@Override
public String encode(FormItemRepresentation item) throws FormEncodingException {
  if (item == null) { 
    return "null";
  }
  return jsonFromMap(item.getDataMap());
}

@Override
public String saveForm(FormRepresentation form) throws FormBuilderServiceException {
  String encode = null;
  try {
    encode = FormEncodingServerFactory.getEncoder().encode(form);
  } catch (FormEncodingException ex) {
    logger.error("Error while saving form", ex);
  }
  return encode;
}

@Override
public Map<String, List<MenuItemDescription>> listMenuItems() throws MenuServiceException {
  Map<String, List<MenuItemDescription>> retval = null;
  try {
    FormRepresentationDecoder decoder = FormEncodingFactory.getDecoder();
    URL url = asURL("/menuItems.json");
    String json = readURL(url);
    retval = decoder.decodeMenuItemsMap(json);
  } catch (FormEncodingException e) {
    throw new MenuServiceException("Problem parsing menu items json file", e);
  } catch (URISyntaxException e) {
    throw new MenuServiceException("Problem finding menu items json file", e);
  } catch (FileNotFoundException e) {
    throw new MenuServiceException("No menu items json file found", e);
  } catch (IOException e) {
    throw new MenuServiceException("Problem reading menu items json file", e);
  } catch (Exception e) {
    throw new MenuServiceException("Unexpected error", e);
  }
  return retval;
}

private void writeMenuItems(Map<String, List<MenuItemDescription>> items) throws MenuServiceException {
  try {
    FormRepresentationEncoder encoder = FormEncodingFactory.getEncoder();
    String json = encoder.encodeMenuItemsMap(items);
    URL url = asURL("/menuItems.json");
    writeToURL(url, json);
  } catch (FormEncodingException e) {
    throw new MenuServiceException("Problem transforming menu items to json", e);
  } catch (URISyntaxException e) {
    throw new MenuServiceException("Problem finding menu items json file", e);
  } catch (FileNotFoundException e) {
    throw new MenuServiceException("No menu items json file found", e);
  } catch (IOException e) {
    throw new MenuServiceException("Problem writing menu items json file", e);
  } catch (Exception e) {
    throw new MenuServiceException("Unexpected error", e);
  }
}

  public FormRepresentation loadForm(String json) {
    try {
      return FormEncodingServerFactory.getDecoder().decode(json);
    } catch (FormEncodingException ex) {
      logger.error("Error while loading form", ex);
    }
    return null;
  }
}

@Before
public void setUp() throws Exception {
  FormEncodingFactory.register(FormEncodingServerFactory.getEncoder(), FormEncodingServerFactory.getDecoder());
}

@Override
@SuppressWarnings("unchecked")
public void setDataMap(Map<String, Object> dataMap) throws FormEncodingException {
  FormRepresentationDecoder decoder = FormEncodingFactory.getDecoder();
  this.mimeType = (String) dataMap.get("mimeType");
  this.name = (String) dataMap.get("name");
  this.value = (String) dataMap.get("value");
  this.formatter = (Formatter) decoder
      .decode((Map<String, Object>) dataMap.get("formatter"));
}

@Override
public Map<String, List<MenuItemDescription>> listMenuItems() throws MenuServiceException {
  Map<String, List<MenuItemDescription>> retval = null;
  try {
    FormRepresentationDecoder decoder = FormEncodingFactory.getDecoder();
    URL url = asURL("/menuItems.json");
    String json = readURL(url);
    retval = decoder.decodeMenuItemsMap(json);
  } catch (FormEncodingException e) {
    throw new MenuServiceException("Problem parsing menu items json file", e);
  } catch (URISyntaxException e) {
    throw new MenuServiceException("Problem finding menu items json file", e);
  } catch (FileNotFoundException e) {
    throw new MenuServiceException("No menu items json file found", e);
  } catch (IOException e) {
    throw new MenuServiceException("Problem reading menu items json file", e);
  } catch (Exception e) {
    throw new MenuServiceException("Unexpected error", e);
  }
  return retval;
}

private void writeMenuItems(Map<String, List<MenuItemDescription>> items) throws MenuServiceException {
  try {
    FormRepresentationEncoder encoder = FormEncodingFactory.getEncoder();
    String json = encoder.encodeMenuItemsMap(items);
    URL url = asURL("/menuItems.json");
    writeToURL(url, json);
  } catch (FormEncodingException e) {
    throw new MenuServiceException("Problem transforming menu items to json", e);
  } catch (URISyntaxException e) {
    throw new MenuServiceException("Problem finding menu items json file", e);
  } catch (FileNotFoundException e) {
    throw new MenuServiceException("No menu items json file found", e);
  } catch (IOException e) {
    throw new MenuServiceException("Problem writing menu items json file", e);
  } catch (Exception e) {
    throw new MenuServiceException("Unexpected error", e);
  }
}

@Override
public String encode(FormItemRepresentation item) throws FormEncodingException {
  if (item == null) { 
    return "null";
  }
  return jsonFromMap(item.getDataMap());
}

@Override
@SuppressWarnings("unchecked")
public void setDataMap(Map<String, Object> data) throws FormEncodingException {
  super.setDataMap(data);
  this.condition = (String) data.get("condition");
  FormRepresentationDecoder decoder = FormEncodingFactory.getDecoder();
  this.ifBlock = (FormItemRepresentation) decoder.decode((Map<String, Object>) data.get("ifBlock"));
  this.elseBlock = (FormItemRepresentation) decoder.decode((Map<String, Object>) data.get("elseBlock"));
}

private String toJson(Mappable obj) {
  StringBuilder builder = new StringBuilder();
  if (obj == null) {
    builder.append("null");
  } else {
    Map<String, Object> data = obj.getDataMap();
    if (data != null) {
      builder.append(jsonFromMap(data));
    }
  }
  return builder.toString();
}

@Override
@SuppressWarnings("unchecked")
public void setDataMap(Map<String, Object> data) throws FormEncodingException {
  super.setDataMap(data);
  this.condition = (String) data.get("condition");
  FormRepresentationDecoder decoder = FormEncodingFactory.getDecoder();
  this.ifBlock = (FormItemRepresentation) decoder.decode((Map<String, Object>) data.get("ifBlock"));
  this.elseBlock = (FormItemRepresentation) decoder.decode((Map<String, Object>) data.get("elseBlock"));
}

private String toJson(Mappable obj) {
  StringBuilder builder = new StringBuilder();
  if (obj == null) {
    builder.append("null");
  } else {
    Map<String, Object> data = obj.getDataMap();
    if (data != null) {
      builder.append(jsonFromMap(data));
    }
  }
  return builder.toString();
}

@Override
@SuppressWarnings("unchecked")
public void setDataMap(Map<String, Object> data) throws FormEncodingException {
  super.setDataMap(data);
  this.inputName = (String) data.get("inputName");
  this.variableName = (String) data.get("variableName");
  this.loopBlock = (FormItemRepresentation) FormEncodingFactory.getDecoder().decode((Map<String, Object>) data.get("loopBlock"));
}

@Override
@SuppressWarnings("unchecked")
public void setDataMap(Map<String, Object> data) throws FormEncodingException {
  super.setDataMap(data);
  this.inputName = (String) data.get("inputName");
  this.variableName = (String) data.get("variableName");
  this.loopBlock = (FormItemRepresentation) FormEncodingFactory.getDecoder().decode((Map<String, Object>) data.get("loopBlock"));
}

@Override
@SuppressWarnings("unchecked")
public void setDataMap(Map<String, Object> data) throws FormEncodingException {
  super.setDataMap(data);
  this.cssClassName = (String) data.get("cssClassName");
  this.id = (String) data.get("id");
  this.cssStylesheetUrl = (String) data.get("cssStylesheetUrl");
  this.items.clear();
  List<Object> mapItems = (List<Object>) data.get("items");
  FormRepresentationDecoder decoder = FormEncodingFactory.getDecoder();
  if (mapItems != null) {
    for (Object obj : mapItems) {
      Map<String, Object> itemMap = (Map<String, Object>) obj;
      FormItemRepresentation item = (FormItemRepresentation) decoder.decode(itemMap);
      this.items.add(item);
    }
  }
}

@Override
@SuppressWarnings("unchecked")
public void setDataMap(Map<String, Object> data) throws FormEncodingException {
  super.setDataMap(data);
  this.text = (String) data.get("text");
  this.name = (String) data.get("name");
  this.id = (String) data.get("id");
  Map<String, String> i18nMap = (Map<String, String>) data.get("i18n");
  if (i18nMap != null) {
    this.i18n = new HashMap<String, String>();
    this.i18n.putAll(i18nMap);
  }
  this.format = (String) data.get("format");
  FormRepresentationDecoder decoder = FormEncodingFactory.getDecoder();
  this.onClickScript = (ScriptRepresentation) decoder.decode((Map<String, Object>) data.get("onClickScript"));
}

@Override
@SuppressWarnings("unchecked")
public void setDataMap(Map<String, Object> data) throws FormEncodingException {
  super.setDataMap(data);
  this.text = (String) data.get("text");
  this.name = (String) data.get("name");
  this.id = (String) data.get("id");
  Map<String, String> i18nMap = (Map<String, String>) data.get("i18n");
  if (i18nMap != null) {
    this.i18n = new HashMap<String, String>();
    this.i18n.putAll(i18nMap);
  }
  this.format = (String) data.get("format");
  FormRepresentationDecoder decoder = FormEncodingFactory.getDecoder();
  this.onClickScript = (ScriptRepresentation) decoder.decode((Map<String, Object>) data.get("onClickScript"));
}