xpdlreader.java

Sequoia ERP是一个真正的企业级开源ERP解决方案。它提供的模块包括：电子商务应用(e-commerce), POS系统(point of sales),知识管理,存货与仓库管理

            return;

        GenericValue toolValue = delegator.makeValue("WorkflowActivityTool", null);

        values.add(toolValue);

        toolValue.set("packageId", packageId);
        toolValue.set("packageVersion", packageVersion);
        toolValue.set("processId", processId);
        toolValue.set("processVersion", processVersion);
        toolValue.set("activityId", activityId);
        toolValue.set("toolId", toolElement.getAttribute("Id"));

        if (toolElement.getAttribute("Type") != null)
            toolValue.set("toolTypeEnumId", "WTT_" + toolElement.getAttribute("Type"));
        else
            toolValue.set("toolTypeEnumId", "WTT_PROCEDURE");

        // Description?
        toolValue.set("description", UtilXml.childElementValue(toolElement, "Description"));

        // ActualParameters/ExtendedAttributes?
        Element actualParametersElement = UtilXml.firstChildElement(toolElement, "ActualParameters");
        Element extendedAttributesElement = UtilXml.firstChildElement(toolElement, "ExtendedAttributes");
        List actualParameters = UtilXml.childElementList(actualParametersElement, "ActualParameter");
        List extendedAttributes = UtilXml.childElementList(extendedAttributesElement, "ExtendedAttribute");

        toolValue.set("actualParameters", readActualParameters(actualParameters), false);
        toolValue.set("extendedAttributes", readExtendedAttributes(extendedAttributes), false);
    }

    protected String readActualParameters(List actualParameters) {
        if (actualParameters == null || actualParameters.size() == 0) return null;
        StringBuffer actualParametersBuf = new StringBuffer();
        Iterator actualParametersIter = actualParameters.iterator();

        while (actualParametersIter.hasNext()) {
            Element actualParameterElement = (Element) actualParametersIter.next();

            actualParametersBuf.append(UtilXml.elementValue(actualParameterElement));
            if (actualParametersIter.hasNext())
                actualParametersBuf.append(',');
        }
        return actualParametersBuf.toString();
    }

    protected String readExtendedAttributes(List extendedAttributes) {
        if (extendedAttributes == null || extendedAttributes.size() == 0) return null;
        Map ea = new HashMap();
        Iterator i = extendedAttributes.iterator();

        while (i.hasNext()) {
            Element e = (Element) i.next();

            ea.put(e.getAttribute("Name"), e.getAttribute("Value"));
        }
        return StringUtil.mapToStr(ea);
    }

    // ----------------------------------------------------------------
    // Transition
    // ----------------------------------------------------------------

    protected void readTransitions(List transitions, String packageId, String packageVersion, String processId,
        String processVersion) throws DefinitionParserException {
        if (transitions == null || transitions.size() == 0)
            return;
        Iterator transitionsIter = transitions.iterator();

        while (transitionsIter.hasNext()) {
            Element transitionElement = (Element) transitionsIter.next();

            readTransition(transitionElement, packageId, packageVersion, processId, processVersion);
        }
    }

    protected void readTransition(Element transitionElement, String packageId, String packageVersion,
        String processId, String processVersion) throws DefinitionParserException {
        if (transitionElement == null)
            return;

        GenericValue transitionValue = delegator.makeValue("WorkflowTransition", null);

        values.add(transitionValue);

        String transitionId = transitionElement.getAttribute("Id");

        transitionValue.set("packageId", packageId);
        transitionValue.set("packageVersion", packageVersion);
        transitionValue.set("processId", processId);
        transitionValue.set("processVersion", processVersion);
        transitionValue.set("transitionId", transitionId);
        transitionValue.set("fromActivityId", transitionElement.getAttribute("From"));
        transitionValue.set("toActivityId", transitionElement.getAttribute("To"));

        if (transitionElement.getAttribute("Loop") != null && transitionElement.getAttribute("Loop").length() > 0)
            transitionValue.set("loopTypeEnumId", "WTL_" + transitionElement.getAttribute("Loop"));
        else
            transitionValue.set("loopTypeEnumId", "WTL_NOLOOP");

        transitionValue.set("transitionName", transitionElement.getAttribute("Name"));

        // Condition?
        Element conditionElement = UtilXml.firstChildElement(transitionElement, "Condition");

        if (conditionElement != null) {
            if (conditionElement.getAttribute("Type") != null)
                transitionValue.set("conditionTypeEnumId", "WTC_" + conditionElement.getAttribute("Type"));
            else
                transitionValue.set("conditionTypeEnumId", "WTC_CONDITION");

            // a Condition will have either a list of XPression elements, or plain PCDATA
            List xPressions = UtilXml.childElementList(conditionElement, "XPression");

            if (xPressions != null && xPressions.size() > 0) {
                throw new DefinitionParserException("XPression elements under Condition not yet supported, just use text inside Condition with the expression");
            } else {
                transitionValue.set("conditionExpr", UtilXml.elementValue(conditionElement));
            }
        }

        // Description?
        transitionValue.set("description", UtilXml.childElementValue(transitionElement, "Description"));
        
        // ExtendedAttributes?        
        Element extendedAttributesElement = UtilXml.firstChildElement(transitionElement, "ExtendedAttributes");      
        List extendedAttributes = UtilXml.childElementList(extendedAttributesElement, "ExtendedAttribute");      
        transitionValue.set("extendedAttributes", readExtendedAttributes(extendedAttributes), false);        
    }

    protected void readTransitionRestrictions(List transitionRestrictions, GenericValue activityValue) throws DefinitionParserException {
        if (transitionRestrictions == null || transitionRestrictions.size() == 0)
            return;
        Iterator transitionRestrictionsIter = transitionRestrictions.iterator();

        if (transitionRestrictionsIter.hasNext()) {
            Element transitionRestrictionElement = (Element) transitionRestrictionsIter.next();

            readTransitionRestriction(transitionRestrictionElement, activityValue);
        }
        if (transitionRestrictionsIter.hasNext()) {
            throw new DefinitionParserException("Multiple TransitionRestriction elements found, this is not currently supported. Please remove extras.");
        }
    }

    protected void readTransitionRestriction(Element transitionRestrictionElement, GenericValue activityValue) throws DefinitionParserException {
        String packageId = activityValue.getString("packageId");
        String packageVersion = activityValue.getString("packageVersion");
        String processId = activityValue.getString("processId");
        String processVersion = activityValue.getString("processVersion");
        String activityId = activityValue.getString("activityId");

        // InlineBlock?
        Element inlineBlockElement = UtilXml.firstChildElement(transitionRestrictionElement, "InlineBlock");

        if (inlineBlockElement != null) {
            activityValue.set("isInlineBlock", "Y");
            activityValue.set("blockName", UtilXml.childElementValue(inlineBlockElement, "BlockName"));
            activityValue.set("blockDescription", UtilXml.childElementValue(inlineBlockElement, "Description"));
            activityValue.set("blockIconUrl", UtilXml.childElementValue(inlineBlockElement, "Icon"));
            activityValue.set("blockDocumentationUrl", UtilXml.childElementValue(inlineBlockElement, "Documentation"));

            activityValue.set("blockBeginActivityId", inlineBlockElement.getAttribute("Begin"));
            activityValue.set("blockEndActivityId", inlineBlockElement.getAttribute("End"));
        }

        // Join?
        Element joinElement = UtilXml.firstChildElement(transitionRestrictionElement, "Join");

        if (joinElement != null) {
            String joinType = joinElement.getAttribute("Type");

            if (joinType != null && joinType.length() > 0) {
                activityValue.set("joinTypeEnumId", "WJT_" + joinType);
            }
        }

        // Split?
        Element splitElement = UtilXml.firstChildElement(transitionRestrictionElement, "Split");

        if (splitElement != null) {
            String splitType = splitElement.getAttribute("Type");

            if (splitType != null && splitType.length() > 0) {
                activityValue.set("splitTypeEnumId", "WST_" + splitType);
            }

            // TransitionRefs
            Element transitionRefsElement = UtilXml.firstChildElement(splitElement, "TransitionRefs");
            List transitionRefs = UtilXml.childElementList(transitionRefsElement, "TransitionRef");

            readTransitionRefs(transitionRefs, packageId, packageVersion, processId, processVersion, activityId);
        }
    }

    protected void readTransitionRefs(List transitionRefs, String packageId, String packageVersion, String processId, String processVersion, String activityId) throws DefinitionParserException {        
        if (transitionRefs == null || transitionRefs.size() == 0)
            return;
        Iterator transitionRefsIter = transitionRefs.iterator();

        while (transitionRefsIter.hasNext()) {
            Element transitionRefElement = (Element) transitionRefsIter.next();
            GenericValue transitionRefValue = delegator.makeValue("WorkflowTransitionRef", null);

            values.add(transitionRefValue);

            transitionRefValue.set("packageId", packageId);
            transitionRefValue.set("packageVersion", packageVersion);
            transitionRefValue.set("processId", processId);
            transitionRefValue.set("processVersion", processVersion);
            transitionRefValue.set("activityId", activityId);
            transitionRefValue.set("transitionId", transitionRefElement.getAttribute("Id"));
        }
    }

    // ----------------------------------------------------------------
    // Others
    // ----------------------------------------------------------------

    protected void readParticipants(List participants, String packageId, String packageVersion, String processId, String processVersion, GenericValue valueObject) throws DefinitionParserException {
        if (participants == null || participants.size() == 0)
            return;
        Iterator participantsIter = participants.iterator();
        
        while (participantsIter.hasNext()) {
            Element participantElement = (Element) participantsIter.next();
            String participantId = participantElement.getAttribute("Id");
            GenericValue participantValue = delegator.makeValue("WorkflowParticipant", null);
            
            values.add(participantValue);
            
            participantValue.set("packageId", packageId);
            participantValue.set("packageVersion", packageVersion);
            participantValue.set("processId", processId);
            participantValue.set("processVersion", processVersion);
            participantValue.set("participantId", participantId);
            participantValue.set("participantName", participantElement.getAttribute("Name"));
            
            // ParticipantType
            Element participantTypeElement = UtilXml.firstChildElement(participantElement, "ParticipantType");

            if (participantTypeElement != null) {
                participantValue.set("participantTypeId", participantTypeElement.getAttribute("Type"));
            }

            // Description?
            participantValue.set("description", UtilXml.childElementValue(participantElement, "Description"));

            // ExtendedAttributes
            participantValue.set("partyId", getExtendedAttributeValue(participantElement, "partyId", null), false);
            participantValue.set("roleTypeId", getExtendedAttributeValue(participantElement, "roleTypeId", null), false);            
        }
    }
    
    /*
    protected void readParticipants(List participants, String packageId, String packageVersion, String processId, String processVersion, GenericValue valueObject) throws DefinitionParserException {
        if (participants == null || participants.size() == 0)
            return;

        Long nextSeqId = delegator.getNextSeqId("WorkflowParticipantList");

        if (nextSeqId == null)
            throw new DefinitionParserException("Could not get next sequence id from data source");
        String participantListId = nextSeqId.toString();

        valueObject.set("participantListId", participantListId);