/* * Copyright (c) 2002-2003 by OpenSymphony * All rights reserved. */package com.opensymphony.workflow.loader;import com.opensymphony.workflow.InvalidWorkflowDescriptorException;import org.w3c.dom.Element;import java.io.PrintWriter;import java.util.ArrayList;import java.util.List;/** * @author <a href="mailto:plightbo@hotmail.com">Pat Lightbody</a> */public class ConditionalResultDescriptor extends ResultDescriptor {    //~ Instance fields ////////////////////////////////////////////////////////    protected List conditions = new ArrayList();    //~ Constructors ///////////////////////////////////////////////////////////    /**     * @deprecated use {@link DescriptorFactory} instead     */    ConditionalResultDescriptor() {    }    /**     * @deprecated use {@link DescriptorFactory} instead     */    ConditionalResultDescriptor(Element conditionalResult) {        init(conditionalResult);    }    //~ Methods ////////////////////////////////////////////////////////////////    public List getConditions() {        return conditions;    }    public String getDestination() {        WorkflowDescriptor desc = null;        String sName = "";        AbstractDescriptor actionDesc = getParent().getParent();        if (actionDesc != null) {            desc = (WorkflowDescriptor) actionDesc.getParent();        }        if (join != 0) {            return "join #" + join;        } else if (split != 0) {            return "split #" + split;        } else {            if (desc != null) {                sName = desc.getStep(step).getName();            }            return "step #" + step + " [" + sName + "]";        }    }    public void validate() throws InvalidWorkflowDescriptorException {        super.validate();        if (conditions.size() == 0) {            throw new InvalidWorkflowDescriptorException("Conditional result from " + ((ActionDescriptor) getParent()).getName() + " to " + getDestination() + " must have at least one condition");        }        ValidationHelper.validate(conditions);    }    public void writeXML(PrintWriter out, int indent) {        XMLUtil.printIndent(out, indent++);        StringBuffer buf = new StringBuffer();        buf.append("<result");        if (hasId()) {            buf.append(" id=\"").append(getId()).append('\"');        }        if ((dueDate != null) && (dueDate.length() > 0)) {            buf.append(" due-date=\"").append(getDueDate()).append('\"');        }        buf.append(" old-status=\"").append(oldStatus).append('\"');        if (join != 0) {            buf.append(" join=\"").append(join).append('\"');        } else if (split != 0) {            buf.append(" split=\"").append(split).append('\"');        } else {            buf.append(" status=\"").append(status).append('\"');            buf.append(" step=\"").append(step).append('\"');            if ((owner != null) && (owner.length() > 0)) {                buf.append(" owner=\"").append(owner).append('\"');            }            if ((displayName != null) && (displayName.length() > 0)) {                buf.append(" display-name=\"").append(displayName).append('\"');            }        }        buf.append('>');        out.println(buf);        for (int i = 0; i < conditions.size(); i++) {            ConditionsDescriptor condition = (ConditionsDescriptor) conditions.get(i);            condition.writeXML(out, indent);        }        if (validators.size() > 0) {            XMLUtil.printIndent(out, indent++);            out.println("<validators>");            for (int i = 0; i < validators.size(); i++) {                ValidatorDescriptor validator = (ValidatorDescriptor) validators.get(i);                validator.writeXML(out, indent);            }            XMLUtil.printIndent(out, --indent);            out.println("</validators>");        }        printPreFunctions(out, indent);        printPostFunctions(out, indent);        XMLUtil.printIndent(out, --indent);        out.println("</result>");    }    protected void init(Element conditionalResult) {        super.init(conditionalResult);        List conditionNodes = XMLUtil.getChildElements(conditionalResult, "conditions");        int length = conditionNodes.size();        for (int i = 0; i < length; i++) {            Element condition = (Element) conditionNodes.get(i);            ConditionsDescriptor conditionDescriptor = DescriptorFactory.getFactory().createConditionsDescriptor(condition);            conditionDescriptor.setParent(this);            this.conditions.add(conditionDescriptor);        }    }}