Examples with CreateIfNull com.opensymphony.xwork2.util.CreateIfNull used on opensource projects

Example 1 with CreateIfNull

use of com.opensymphony.xwork2.util.CreateIfNull in project struts by apache.

the class DefaultObjectTypeDeterminer method shouldCreateIfNew.

/**
 * Determines the createIfNull property for a Collection or Map by getting it from the @CreateIfNull annotation.
 *
 * As fallback, it determines the boolean CreateIfNull property for a Collection or Map by getting it from the
 * conversion properties file using the CreateIfNull_ prefix. CreateIfNull_${property}=true|false
 *
 * @param parentClass     the Class which contains as a property the Map or Collection we are finding the key for.
 * @param property        the property of the Map or Collection for the given parent class
 * @param target          the target object
 * @param keyProperty     the keyProperty value
 * @param isIndexAccessed <tt>true</tt>, if the collection or map is accessed via index, <tt>false</tt> otherwise.
 * @return <tt>true</tt>, if the Collection or Map should be created, <tt>false</tt> otherwise.
 * @see ObjectTypeDeterminer#getKeyProperty(Class, String)
 */
public boolean shouldCreateIfNew(Class parentClass, String property, Object target, String keyProperty, boolean isIndexAccessed) {
    CreateIfNull annotation = getAnnotation(parentClass, property, CreateIfNull.class);
    if (annotation != null) {
        return annotation.value();
    }
    String configValue = (String) xworkConverter.getConverter(parentClass, CREATE_IF_NULL_PREFIX + property);
    // check if a value is in the config
    if (configValue != null) {
        return BooleanUtils.toBoolean(configValue);
    }
    // in the case of List
    return (target instanceof Map) || isIndexAccessed;
}