/* * Copyright (c) 2002-2003 by OpenSymphony * All rights reserved. */package com.opensymphony.workflow.util;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;import java.util.*;/** * <p> * A simple utility condition that returns true if the the current user (caller) * is the step owner. * </p> * * <p> * This condition may be used to deny the owner of the step by negating the * condition in the workflow descriptor with <code>negate='true'</code>. * <p> * * <p> * Looks at ALL current steps unless a step id is given in the optional argument * "stepId". * </p> * * <p> * The implementation was originally contained in AllowOwnerOfStepCondition by * Pat Lightbody. * </p> * * @author <a href="mailto:plightbo@hotmail.com">Pat Lightbody </a> (original *         implementation) * @author <a href="mailto:adam@southtech.co.uk">Adam Southall </a> (refactored *         owner conditions to use this generic class. */public class IsUserOwnerCondition implements Condition {    //~ Methods ////////////////////////////////////////////////////////////////    // ////////////////////////////////////////////////////////////////    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 currentSteps = store.findCurrentSteps(entry.getId());        if (stepId == 0) {            for (Iterator iterator = currentSteps.iterator();                    iterator.hasNext();) {                Step step = (Step) iterator.next();                if ((step.getOwner() != null) && context.getCaller().equals(step.getOwner())) {                    return true;                }            }        } else {            for (Iterator iterator = currentSteps.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;    }}