Examples of org.springframework.beans.PropertyValue

org.springframework.beans.PropertyValue
Object to hold information and value for an individual bean property. Using an object here, rather than just storing all properties in a map keyed by property name, allows for more flexibility, and the ability to handle indexed properties etc in an optimized way.
Note that the value doesn't need to be the final required type: A {@link BeanWrapper} implementation should handle any necessary conversion,as this object doesn't know anything about the objects it will be applied to. @author Rod Johnson @author Rob Harrop @author Juergen Hoeller @since 13 May 2001 @see PropertyValues @see BeanWrapper


  /**
   * Add the supplied property value under the given name.
   */
  public BeanDefinitionBuilder addPropertyValue(String name, Object value) {
    this.beanDefinition.getPropertyValues().addPropertyValue(new PropertyValue(name, value));
    return this;
  }

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  protected void checkFieldMarkers(MutablePropertyValues mpvs) {
    if (getFieldMarkerPrefix() != null) {
      String fieldMarkerPrefix = getFieldMarkerPrefix();
      PropertyValue[] pvArray = mpvs.getPropertyValues();
      for (int i = 0; i < pvArray.length; i++) {
        PropertyValue pv = pvArray[i];
        if (pv.getName().startsWith(fieldMarkerPrefix)) {
          String field = pv.getName().substring(fieldMarkerPrefix.length());
          if (getPropertyAccessor().isWritableProperty(field) && !mpvs.contains(field)) {
            Class fieldType = getPropertyAccessor().getPropertyType(field);
            mpvs.addPropertyValue(field, getEmptyValue(field, fieldType));
          }
          mpvs.removePropertyValue(pv);

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    // Create a deep copy, resolving any references for values.
    BeanWrapperImpl bwi = (bw instanceof BeanWrapperImpl ? (BeanWrapperImpl) bw : null);
    List deepCopy = new ArrayList(original.size());
    boolean resolveNecessary = false;
    for (Iterator it = original.iterator(); it.hasNext();) {
      PropertyValue pv = (PropertyValue) it.next();
      if (pv.isConverted()) {
        deepCopy.add(pv);
      }
      else {
        String propertyName = pv.getName();
        Object originalValue = pv.getValue();
        Object resolvedValue =
            valueResolver.resolveValueIfNecessary("bean property '" + propertyName + "'", originalValue);
        // Possibly store converted value in merged bean definition,
        // in order to avoid re-conversion for every created bean instance.
        if (resolvedValue == originalValue) {
          if (bwi != null && !PropertyAccessorUtils.isNestedOrIndexedProperty(propertyName)) {
            pv.setConvertedValue(bwi.convertForProperty(resolvedValue, propertyName));
          }
          deepCopy.add(pv);
        }
        else if (originalValue instanceof TypedStringValue &&
            bwi != null && !PropertyAccessorUtils.isNestedOrIndexedProperty(propertyName)) {
          pv.setConvertedValue(bwi.convertForProperty(resolvedValue, propertyName));
          deepCopy.add(pv);
        }
        else {
          resolveNecessary = true;
          deepCopy.add(new PropertyValue(pv, resolvedValue));
        }
      }
    }
    if (mpvs != null && !resolveNecessary) {
      mpvs.setConverted();

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  }


  protected void visitPropertyValues(MutablePropertyValues pvs) {
    PropertyValue[] pvArray = pvs.getPropertyValues();
    for (int i = 0; i < pvArray.length; i++) {
      PropertyValue pv = pvArray[i];
      Object newVal = resolveValue(pv.getValue());
      if (!ObjectUtils.nullSafeEquals(newVal, pv.getValue())) {
        pvs.addPropertyValue(pv.getName(), newVal);
      }
    }
  }

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  private void findInnerBeanDefinitionsAndBeanReferences(BeanDefinition beanDefinition) {
    List innerBeans = new ArrayList();
    List references = new ArrayList();
    PropertyValues propertyValues = beanDefinition.getPropertyValues();
    for (int i = 0; i < propertyValues.getPropertyValues().length; i++) {
      PropertyValue propertyValue = propertyValues.getPropertyValues()[i];
      Object value = propertyValue.getValue();
      if (value instanceof BeanDefinitionHolder) {
        innerBeans.add(((BeanDefinitionHolder) value).getBeanDefinition());
      }
      else if (value instanceof BeanDefinition) {
        innerBeans.add(value);

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      Enumeration en = config.getInitParameterNames();
      while (en.hasMoreElements()) {
        String property = (String) en.nextElement();
        Object value = config.getInitParameter(property);
        addPropertyValue(new PropertyValue(property, value));
        if (missingProps != null) {
          missingProps.remove(property);
        }
      }

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      Enumeration en = config.getInitParameterNames();
      while (en.hasMoreElements()) {
        String property = (String) en.nextElement();
        Object value = config.getInitParameter(property);
        addPropertyValue(new PropertyValue(property, value));
        if (missingProps != null) {
          missingProps.remove(property);
        }
      }

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      Enumeration en = config.getInitParameterNames();
      while (en.hasMoreElements()) {
        String property = (String) en.nextElement();
        Object value = config.getInitParameter(property);
        addPropertyValue(new PropertyValue(property, value));
        if (missingProps != null) {
          missingProps.remove(property);
        }
      }

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   * @see #isAllowed(String)
   */
  protected void checkAllowedFields(MutablePropertyValues mpvs) {
    PropertyValue[] pvs = mpvs.getPropertyValues();
    for (int i = 0; i < pvs.length; i++) {
      PropertyValue pv = pvs[i];
      String field = PropertyAccessorUtils.canonicalPropertyName(pv.getName());
      if (!isAllowed(field)) {
        mpvs.removePropertyValue(pv);
        getBindingResult().recordSuppressedField(field);
        if (logger.isDebugEnabled()) {
          logger.debug("Field [" + field + "] has been removed from PropertyValues " +

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    String[] requiredFields = getRequiredFields();
    if (!ObjectUtils.isEmpty(requiredFields)) {
      Map propertyValues = new HashMap();
      PropertyValue[] pvs = mpvs.getPropertyValues();
      for (int i = 0; i < pvs.length; i++) {
        PropertyValue pv = pvs[i];
        String canonicalName = PropertyAccessorUtils.canonicalPropertyName(pv.getName());
        propertyValues.put(canonicalName, pv);
      }
      for (int i = 0; i < requiredFields.length; i++) {
        String field = requiredFields[i];
        PropertyValue pv = (PropertyValue) propertyValues.get(field);
        if (pv == null || pv.getValue() == null ||
            (pv.getValue() instanceof String && !StringUtils.hasText((String) pv.getValue()))) {
          // Use bind error processor to create FieldError.
          getBindingErrorProcessor().processMissingFieldError(field, getInternalBindingResult());
          // Remove property from property values to bind:
          // It has already caused a field error with a rejected value.
          if (pv != null) {

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