allowstepownercondition.java

这个是使用java开发的一个平台

/*
 * Created on 2005-8-15
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package com.exp.integration.osworkflow.condition;

import java.util.Iterator;
import java.util.List;
import java.util.Map;

import com.opensymphony.module.propertyset.PropertySet;
import com.opensymphony.workflow.Condition;
import com.opensymphony.workflow.StoreException;
import com.opensymphony.workflow.WorkflowContext;
import com.opensymphony.workflow.spi.Step;
import com.opensymphony.workflow.spi.WorkflowEntry;
import com.opensymphony.workflow.spi.WorkflowStore;

/**
 * @author Administrator
 * 
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
public class AllowStepOwnerCondition implements Condition {

    /*
     * (non-Javadoc)
     * 
     * @see com.opensymphony.workflow.Condition#passesCondition(java.util.Map,
     *      java.util.Map, com.opensymphony.module.propertyset.PropertySet)
     */
    public boolean passesCondition(Map transientVars, Map args, PropertySet ps)
            throws StoreException {
        int stepId = 0;
        String stepIdVal = (String) args.get("stepId");

        if (stepIdVal != null) {
            try {
                stepId = Integer.parseInt(stepIdVal);
            } catch (Exception ex) {
            }
        }

        WorkflowContext context = (WorkflowContext) transientVars
                .get("context");
        WorkflowEntry entry = (WorkflowEntry) transientVars.get("entry");
        WorkflowStore store = (WorkflowStore) transientVars.get("store");
        List allSteps = store.findHistorySteps(entry.getId());
        List curSteps = store.findCurrentSteps(entry.getId());
        allSteps.addAll(curSteps);
        if (stepId == 0) {
            for (Iterator iterator = allSteps.iterator(); iterator.hasNext();) {
                Step step = (Step) iterator.next();

                if ((step.getOwner() != null)
                        && context.getCaller().equals(step.getOwner())) {
                    return true;
                }
            }
        } else {
            for (Iterator iterator = allSteps.iterator(); iterator.hasNext();) {
                Step step = (Step) iterator.next();

                if (stepId == step.getStepId()) {
                    if ((step.getOwner() != null)
                            && context.getCaller().equals(step.getOwner())) {
                        return true;
                    }
                }
            }
        }

        return false;
    }

}