private RuleTemplateBo parseRuleTemplate(Element element, List<RuleTemplateBo> ruleTemplates)
throws XmlException {
String name = element.getChildText(NAME, RULE_TEMPLATE_NAMESPACE);
String description = element.getChildText(DESCRIPTION, RULE_TEMPLATE_NAMESPACE);
Attribute allowOverwriteAttrib = element.getAttribute("allowOverwrite");
boolean allowOverwrite = false;
if (allowOverwriteAttrib != null) {
allowOverwrite = Boolean.valueOf(allowOverwriteAttrib.getValue()).booleanValue();
}
if (org.apache.commons.lang.StringUtils.isEmpty(name)) {
throw new XmlException("RuleTemplate must have a name");
}
if (org.apache.commons.lang.StringUtils.isEmpty(description)) {
throw new XmlException("RuleTemplate must have a description");
}
// look up the rule template by name first
RuleTemplateBo ruleTemplate =
KEWServiceLocator.getRuleTemplateService().findByRuleTemplateName(name);
if (ruleTemplate == null) {
// if it does not exist create a new one
ruleTemplate = new RuleTemplateBo();
} else {
// if it does exist, update it, only if allowOverwrite is set
if (!allowOverwrite) {
throw new RuntimeException(
"Attempting to overwrite template " + name + " without allowOverwrite set");
}
// the name should be equal if one was actually found
assert (name.equals(ruleTemplate.getName()))
: "Existing template definition name does not match incoming definition name";
}
// overwrite simple properties
ruleTemplate.setName(name);
ruleTemplate.setDescription(description);
// update the delegation template
updateDelegationTemplate(element, ruleTemplate, ruleTemplates);
// update the attribute relationships
updateRuleTemplateAttributes(element, ruleTemplate);
// save the rule template first so that the default/template rule that is generated
// in the process of setting defaults is associated properly with this rule template
ruleTemplate = KEWServiceLocator.getRuleTemplateService().save(ruleTemplate);
// update the default options
updateRuleTemplateDefaultOptions(element, ruleTemplate);
ruleTemplate = KEWServiceLocator.getRuleTemplateService().save(ruleTemplate);
return ruleTemplate;
}
/**
* Parses a rule template attribute
*
* @param element the attribute XML element
* @param ruleTemplate the ruleTemplate to update
* @return a parsed rule template attribute
* @throws XmlException if the attribute does not exist
*/
private RuleTemplateAttributeBo parseRuleTemplateAttribute(
Element element, RuleTemplateBo ruleTemplate) throws XmlException {
String attributeName = element.getChildText(NAME, RULE_TEMPLATE_NAMESPACE);
String requiredValue = element.getChildText(REQUIRED, RULE_TEMPLATE_NAMESPACE);
String activeValue = element.getChildText(ACTIVE, RULE_TEMPLATE_NAMESPACE);
if (org.apache.commons.lang.StringUtils.isEmpty(attributeName)) {
throw new XmlException("Attribute name must be non-empty");
}
boolean required = DEFAULT_ATTRIBUTE_REQUIRED;
if (requiredValue != null) {
required = Boolean.parseBoolean(requiredValue);
}
boolean active = DEFAULT_ATTRIBUTE_ACTIVE;
if (activeValue != null) {
active = Boolean.parseBoolean(activeValue);
}
RuleAttribute ruleAttribute =
KEWServiceLocator.getRuleAttributeService().findByName(attributeName);
if (ruleAttribute == null) {
throw new XmlException("Could not locate rule attribute for name '" + attributeName + "'");
}
RuleTemplateAttributeBo templateAttribute = new RuleTemplateAttributeBo();
templateAttribute.setRuleAttribute(ruleAttribute);
templateAttribute.setRuleAttributeId(ruleAttribute.getId());
templateAttribute.setRuleTemplate(ruleTemplate);
templateAttribute.setRequired(Boolean.valueOf(required));
templateAttribute.setActive(Boolean.valueOf(active));
templateAttribute.setDisplayOrder(new Integer(templateAttributeCounter++));
return templateAttribute;
}
/**
* Updates the default/template rule options with those in the defaults element
*
* @param defaultsElement the ruleDefaults element
* @param updatedRuleTemplate the Rule Template being updated
* @return whether this is a delegation rule template
*/
protected boolean updateRuleDefaults(Element defaultsElement, RuleTemplateBo updatedRuleTemplate)
throws XmlException {
// NOTE: implementation detail: in contrast with the other options, the delegate template, and
// the rule attributes,
// we unconditionally blow away the default rule and re-create it (we don't update the existing
// one, if there is one)
if (updatedRuleTemplate.getId() != null) {
RuleBaseValues ruleDefaults =
KEWServiceLocator.getRuleService()
.findDefaultRuleByRuleTemplateId(updatedRuleTemplate.getId());
if (ruleDefaults != null) {
List ruleDelegationDefaults =
KEWServiceLocator.getRuleDelegationService().findByDelegateRuleId(ruleDefaults.getId());
// delete the rule
KEWServiceLocator.getRuleService().delete(ruleDefaults.getId());
// delete the associated rule delegation defaults
for (Iterator iterator = ruleDelegationDefaults.iterator(); iterator.hasNext(); ) {
RuleDelegationBo ruleDelegation = (RuleDelegationBo) iterator.next();
KEWServiceLocator.getRuleDelegationService().delete(ruleDelegation.getRuleDelegationId());
}
}
}
boolean isDelegation = false;
if (defaultsElement != null) {
String delegationTypeCode =
defaultsElement.getChildText(DELEGATION_TYPE, RULE_TEMPLATE_NAMESPACE);
DelegationType delegationType = null;
isDelegation = !org.apache.commons.lang.StringUtils.isEmpty(delegationTypeCode);
String description = defaultsElement.getChildText(DESCRIPTION, RULE_TEMPLATE_NAMESPACE);
// would normally be validated via schema but might not be present if invoking RuleXmlParser
// directly
if (description == null) {
throw new XmlException("Description must be specified in rule defaults");
}
String fromDate = defaultsElement.getChildText(FROM_DATE, RULE_TEMPLATE_NAMESPACE);
String toDate = defaultsElement.getChildText(TO_DATE, RULE_TEMPLATE_NAMESPACE);
// toBooleanObject ensures that if the value is null (not set) that the Boolean object will
// likewise be null (will not default to a value)
Boolean forceAction =
BooleanUtils.toBooleanObject(
defaultsElement.getChildText(FORCE_ACTION, RULE_TEMPLATE_NAMESPACE));
Boolean active =
BooleanUtils.toBooleanObject(
defaultsElement.getChildText(ACTIVE, RULE_TEMPLATE_NAMESPACE));
if (isDelegation) {
delegationType = DelegationType.parseCode(delegationTypeCode);
if (delegationType == null) {
throw new XmlException(
"Invalid delegation type '"
+ delegationType
+ "'."
+ " Expected one of: "
+ DelegationType.PRIMARY.getCode()
+ ","
+ DelegationType.SECONDARY.getCode());
}
}
// create our "default rule" which encapsulates the defaults for the rule
RuleBaseValues ruleDefaults = new RuleBaseValues();
// set simple values
ruleDefaults.setRuleTemplate(updatedRuleTemplate);
ruleDefaults.setRuleTemplateId(updatedRuleTemplate.getId());
ruleDefaults.setDocTypeName(DUMMY_DOCUMENT_TYPE);
ruleDefaults.setTemplateRuleInd(Boolean.TRUE);
ruleDefaults.setCurrentInd(Boolean.TRUE);
ruleDefaults.setVersionNbr(new Integer(0));
ruleDefaults.setDescription(description);
// these are non-nullable fields, so default them if they were not set in the defaults section
ruleDefaults.setForceAction(Boolean.valueOf(BooleanUtils.isTrue(forceAction)));
ruleDefaults.setActive(Boolean.valueOf(BooleanUtils.isTrue(active)));
if (ruleDefaults.getActivationDate() == null) {
ruleDefaults.setActivationDate(new Timestamp(System.currentTimeMillis()));
}
ruleDefaults.setFromDateValue(formatDate("fromDate", fromDate));
ruleDefaults.setToDateValue(formatDate("toDate", toDate));
// ok, if this is a "Delegate Template", then we need to set this other RuleDelegation object
// which contains
// some delegation-related info
RuleDelegationBo ruleDelegationDefaults = null;
if (isDelegation) {
ruleDelegationDefaults = new RuleDelegationBo();
ruleDelegationDefaults.setDelegationRule(ruleDefaults);
ruleDelegationDefaults.setDelegationType(delegationType);
ruleDelegationDefaults.setResponsibilityId(KewApiConstants.ADHOC_REQUEST_RESPONSIBILITY_ID);
}
// explicitly save the new rule delegation defaults and default rule
KEWServiceLocator.getRuleTemplateService()
.saveRuleDefaults(ruleDelegationDefaults, ruleDefaults);
} else {
// do nothing, rule defaults will be deleted if ruleDefaults element is omitted
}
return isDelegation;
}