How to use

hasValue

method

in

org.opencms.xml.content.CmsXmlContent

/**
 * Removes all values of the given path in the other locales.<p>
 *
 * @param elementPath the element path
 * @param sourceLocale the source locale
 */
private void removeValuesInOtherLocales(String elementPath, Locale sourceLocale) {
  for (Locale locale : getLocales()) {
    if (locale.equals(sourceLocale)) {
      continue;
    }
    while (hasValue(elementPath, locale)) {
      removeValue(elementPath, locale, 0);
    }
  }
}

/**
 * Ensures the parent values to the given path are created.<p>
 *
 * @param cms the cms context
 * @param valuePath the value path
 * @param locale the content locale
 */
private void ensureParentValues(CmsObject cms, String valuePath, Locale locale) {
  if (valuePath.contains("/")) {
    String parentPath = valuePath.substring(0, valuePath.lastIndexOf("/"));
    if (!hasValue(parentPath, locale)) {
      ensureParentValues(cms, parentPath, locale);
      int index = CmsXmlUtils.getXpathIndexInt(parentPath) - 1;
      addValue(cms, parentPath, locale, index);
    }
  }
}

if (content.hasValue(path, locale)) {
  continue;
} else {

/**
 * Adds the given value to the content document.<p>
 *
 * @param content the content document
 * @param locale the content locale
 * @param path the value XPath
 * @param value the value
 */
protected void addContentValue(CmsXmlContent content, Locale locale, String path, String value) {
  boolean hasValue = content.hasValue(path, locale);
  if (!hasValue) {
    String[] pathElements = path.split("/");
    String currentPath = pathElements[0];
    for (int i = 0; i < pathElements.length; i++) {
      if (i > 0) {
        currentPath = CmsStringUtil.joinPaths(currentPath, pathElements[i]);
      }
      while (!content.hasValue(currentPath, locale)) {
        content.addValue(m_cms, currentPath, locale, CmsXmlUtils.getXpathIndexInt(currentPath) - 1);
      }
    }
  }
  content.getValue(path, locale).setStringValue(m_cms, value);
}

if (content.hasValue(path, locale)) {

String removeAllStringValue = content.getStringValue(cms, removeAllPath, locale);
boolean removeAll = Boolean.valueOf(removeAllStringValue).booleanValue();
if (removeAll && content.hasValue(REMOVE_PATH, locale)) {
  content.removeValue(REMOVE_PATH, locale, 0);
} else if (content.hasValue(ADD_PATH, locale)) {
  String rootPath = content.getFile().getRootPath();
  List<String> optionValues = CmsAddFormatterWidget.getSelectOptionValues(cms, rootPath, false);

if (content.hasValue(path, locale)) {
if (content.hasValue(path, locale)) {

/**
 * Deletes the given value path from the content document.<p>
 *
 * @param content the content document
 * @param locale the content locale
 * @param path the value XPath
 */
protected void deleteContentValue(CmsXmlContent content, Locale locale, String path) {
  boolean hasValue = content.hasValue(path, locale);
  if (hasValue) {
    int index = CmsXmlUtils.getXpathIndexInt(path) - 1;
    I_CmsXmlContentValue val = content.getValue(path, locale);
    if (index >= val.getMinOccurs()) {
      content.removeValue(path, locale, index);
    } else {
      val.setStringValue(m_cms, "");
    }
  }
}

/**
 * Sets the value in all other locales.<p>
 *
 * @param cms the cms context
 * @param value the value
 * @param requiredParent the path to the required parent value
 */
private void setValueForOtherLocales(CmsObject cms, I_CmsXmlContentValue value, String requiredParent) {
  if (!value.isSimpleType()) {
    throw new IllegalArgumentException();
  }
  for (Locale locale : getLocales()) {
    if (locale.equals(value.getLocale())) {
      continue;
    }
    String valuePath = value.getPath();
    if (CmsStringUtil.isEmptyOrWhitespaceOnly(requiredParent) || hasValue(requiredParent, locale)) {
      ensureParentValues(cms, valuePath, locale);
      if (hasValue(valuePath, locale)) {
        I_CmsXmlContentValue localeValue = getValue(valuePath, locale);
        localeValue.setStringValue(cms, value.getStringValue(cms));
      } else {
        int index = CmsXmlUtils.getXpathIndexInt(valuePath) - 1;
        I_CmsXmlContentValue localeValue = addValue(cms, valuePath, locale, index);
        localeValue.setStringValue(cms, value.getStringValue(cms));
      }
    }
  }
}

    if (hasValue(valuePath, sourceLocale)) {
      List<I_CmsXmlContentValue> subValues = getValues(valuePath, sourceLocale);
      removeSurplusValuesInOtherLocales(elementPath, subValues.size(), sourceLocale);
if (hasValue(elementPath, sourceLocale)) {
  List<I_CmsXmlContentValue> subValues = getValues(elementPath, sourceLocale);
  removeSurplusValuesInOtherLocales(elementPath, subValues.size(), sourceLocale);

  value = content.addValue(m_cms, CmsConfigurationReader.N_MODEL_PAGE, Locale.ENGLISH, i);
  String linkValuePath = value.getPath() + "/" + CmsConfigurationReader.N_MODEL_PAGE;
  I_CmsXmlContentValue linkValue = content.hasValue(linkValuePath, Locale.ENGLISH)
  ? content.getValue(linkValuePath, Locale.ENGLISH)
  : content.addValue(m_cms, linkValuePath, Locale.ENGLISH, 0);
I_CmsXmlContentValue disabledValue = content.hasValue(disabledPath, Locale.ENGLISH)
? content.getValue(disabledPath, Locale.ENGLISH)
: content.addValue(m_cms, disabledPath, Locale.ENGLISH, 0);

boolean hasFileLink = m_content.hasValue(xPath + NODE_FILELINK, locale);
if (m_content.hasValue(xPath + NODE_HEADLINE, locale)) {
  headline = m_content.getStringValue(getCmsObject(), xPath + NODE_HEADLINE, locale);
boolean imagePresent = false;
if (m_content.hasValue(xPath, locale)) {
    if (m_content.hasValue(xPath + NODE_DESCRIPTION, locale)) {

if (content.hasValue(target, locale)) {
  content.getValue(target, locale).setStringValue(cms, prop.getValue());
} else {

} else {
  if (m_content.hasValue(getParamElementName(), getElementLocale())) {

if (m_content.hasValue(getParamElementName(), getElementLocale())) {

if (CmsResourceTypeXmlContent.isXmlContent(resource)) {
  CmsXmlContent xmlContent = CmsXmlContentFactory.unmarshal(getCmsObject(), resource);
  if (xmlContent.hasValue(NODE_CONFIG, getRequestContext().getLocale())) {
    m_config = xmlContent;
    m_presetPath = getConfigPreset(xmlContent);