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From andr...@apache.org
Subject cvs commit: cocoon-lenya/src/java/org/apache/lenya/cms/workflow/impl WorkflowBuilder.java
Date Wed, 28 May 2003 15:31:57 GMT
andreas     2003/05/28 08:31:56

  Modified:    src/java/org/apache/lenya/cms/workflow/impl
                        WorkflowBuilder.java
  Log:
  formatting changed
  
  Revision  Changes    Path
  1.4       +75 -54    cocoon-lenya/src/java/org/apache/lenya/cms/workflow/impl/WorkflowBuilder.java
  
  Index: WorkflowBuilder.java
  ===================================================================
  RCS file: /home/cvs/cocoon-lenya/src/java/org/apache/lenya/cms/workflow/impl/WorkflowBuilder.java,v
  retrieving revision 1.3
  retrieving revision 1.4
  diff -u -r1.3 -r1.4
  --- WorkflowBuilder.java	27 May 2003 15:27:19 -0000	1.3
  +++ WorkflowBuilder.java	28 May 2003 15:31:56 -0000	1.4
  @@ -11,11 +11,13 @@
   import java.util.HashMap;
   import java.util.Map;
   import javax.xml.parsers.ParserConfigurationException;
  +
   import org.apache.lenya.cms.workflow.Action;
   import org.apache.lenya.cms.workflow.Condition;
   import org.apache.lenya.cms.workflow.Event;
   import org.apache.lenya.cms.workflow.State;
   import org.apache.lenya.cms.workflow.Workflow;
  +import org.apache.lenya.cms.workflow.WorkflowBuildException;
   import org.apache.lenya.xml.DocumentHelper;
   import org.apache.lenya.xml.NamespaceHelper;
   import org.w3c.dom.Document;
  @@ -28,42 +30,46 @@
    * @author  andreas
    */
   public class WorkflowBuilder {
  -    
  +
       /** Creates a new instance of WorkflowBuilder */
       public WorkflowBuilder() {
       }
  -    
  +
       public static final String NAMESPACE = "http://www.lenya.org/2003/workflow";
       public static final String DEFAULT_PREFIX = "wf";
  -    
  -    public Workflow buildWorkflow(File file)
  -        throws WorkflowBuildException {
  +
  +    public Workflow buildWorkflow(File file) throws WorkflowBuildException {
           Workflow workflow;
  -        
  +
           try {
               Document document = DocumentHelper.readDocument(file);
               workflow = buildWorkflow(document);
  -        }
  -        catch (Exception e) {
  +        } catch (Exception e) {
               throw new WorkflowBuildException(e);
           }
  -        
  +
           return workflow;
       }
  -    
  +
       public Workflow buildWorkflow(Document document)
  -        throws ParserConfigurationException, SAXException, IOException, WorkflowBuildException
{
  -            
  -        NamespaceHelper helper = new NamespaceHelper(NAMESPACE, DEFAULT_PREFIX, document);
  -        
  +        throws
  +            ParserConfigurationException,
  +            SAXException,
  +            IOException,
  +            WorkflowBuildException {
  +
  +        NamespaceHelper helper =
  +            new NamespaceHelper(NAMESPACE, DEFAULT_PREFIX, document);
  +
           Element root = document.getDocumentElement();
           State initialState = null;
  -        
  +
           Map states = new HashMap();
           Map events = new HashMap();
  -        
  +
           // load states
  -        NodeList stateElements = root.getElementsByTagNameNS(NAMESPACE, STATE_ELEMENT);
  +        NodeList stateElements =
  +            root.getElementsByTagNameNS(NAMESPACE, STATE_ELEMENT);
           for (int i = 0; i < stateElements.getLength(); i++) {
               Element element = (Element) stateElements.item(i);
               StateImpl state = buildState(element);
  @@ -73,36 +79,41 @@
                   initialState = state;
               }
           }
  -        
  +
           assert initialState != null;
           WorkflowImpl workflow = new WorkflowImpl(initialState);
  -        
  +
           // load events
  -        NodeList eventElements = root.getElementsByTagNameNS(NAMESPACE, EVENT_ELEMENT);
  +        NodeList eventElements =
  +            root.getElementsByTagNameNS(NAMESPACE, EVENT_ELEMENT);
           for (int i = 0; i < eventElements.getLength(); i++) {
               EventImpl event = buildEvent((Element) eventElements.item(i));
               String id = event.getId();
               events.put(id, event);
           }
  -        
  +
           // load transitions
  -        NodeList transitionElements = root.getElementsByTagNameNS(NAMESPACE, TRANSITION_ELEMENT);
  +        NodeList transitionElements =
  +            root.getElementsByTagNameNS(NAMESPACE, TRANSITION_ELEMENT);
           for (int i = 0; i < transitionElements.getLength(); i++) {
  -            TransitionImpl transition
  -                = buildTransition((Element) transitionElements.item(i), states, events);
  +            TransitionImpl transition =
  +                buildTransition(
  +                    (Element) transitionElements.item(i),
  +                    states,
  +                    events);
               workflow.addTransition(transition);
           }
  -        
  +
           return workflow;
       }
  -    
  +
       protected boolean isInitialStateElement(Element element) {
           assert element.getLocalName().equals(STATE_ELEMENT);
           String initialAttribute = element.getAttribute(INITIAL_ATTRIBUTE);
           return initialAttribute != null
               && (initialAttribute.equals("yes") || initialAttribute.equals("true"));
       }
  -    
  +
       public static final String STATE_ELEMENT = "state";
       public static final String TRANSITION_ELEMENT = "transition";
       public static final String EVENT_ELEMENT = "event";
  @@ -113,80 +124,90 @@
       public static final String SOURCE_ATTRIBUTE = "source";
       public static final String DESTINATION_ATTRIBUTE = "destination";
       public static final String CLASS_ATTRIBUTE = "class";
  -    
  +
       protected StateImpl buildState(Element element) {
           assert element.getLocalName().equals(STATE_ELEMENT);
  -        
  +
           String id = element.getAttribute(ID_ATTRIBUTE);
           StateImpl state = new StateImpl(id);
           return state;
       }
  -    
  -    protected TransitionImpl buildTransition(Element element, Map states, Map events)
  -            throws WorkflowBuildException {
  +
  +    protected TransitionImpl buildTransition(
  +        Element element,
  +        Map states,
  +        Map events)
  +        throws WorkflowBuildException {
           assert element.getLocalName().equals(TRANSITION_ELEMENT);
  -        
  +
           String sourceId = element.getAttribute(SOURCE_ATTRIBUTE);
           String destinationId = element.getAttribute(DESTINATION_ATTRIBUTE);
  -        
  +
           assert sourceId != null;
           assert destinationId != null;
  -        
  +
           State source = (State) states.get(sourceId);
           State destination = (State) states.get(destinationId);
  -        
  +
           assert source != null;
           assert destination != null;
  -        
  +
           TransitionImpl transition = new TransitionImpl(source, destination);
  -        
  +
           // set event
  -        Element eventElement
  -            = (Element) element.getElementsByTagNameNS(NAMESPACE, EVENT_ELEMENT).item(0);
  +        Element eventElement =
  +            (Element) element.getElementsByTagNameNS(
  +                NAMESPACE,
  +                EVENT_ELEMENT).item(
  +                0);
           String id = eventElement.getAttribute(ID_ATTRIBUTE);
           assert id != null;
  -        
  +
           Event event = (Event) events.get(id);
           assert event != null;
  -        
  +
           transition.setEvent(event);
  -        
  +
           // load conditions
  -        NodeList conditionElements = element.getElementsByTagNameNS(NAMESPACE, CONDITION_ELEMENT);
  +        NodeList conditionElements =
  +            element.getElementsByTagNameNS(NAMESPACE, CONDITION_ELEMENT);
           for (int i = 0; i < conditionElements.getLength(); i++) {
  -            Condition condition = buildCondition((Element) conditionElements.item(i));
  +            Condition condition =
  +                buildCondition((Element) conditionElements.item(i));
               transition.addCondition(condition);
           }
  -        
  +
           // load actions
  -        NodeList actionElements = element.getElementsByTagNameNS(NAMESPACE, ACTION_ELEMENT);
  +        NodeList actionElements =
  +            element.getElementsByTagNameNS(NAMESPACE, ACTION_ELEMENT);
           for (int i = 0; i < actionElements.getLength(); i++) {
               Action action = buildAction((Element) actionElements.item(i));
               transition.addAction(action);
           }
  -        
  +
           return transition;
       }
  -    
  +
       protected EventImpl buildEvent(Element element) {
           String id = element.getAttribute(ID_ATTRIBUTE);
           assert id != null;
           EventImpl event = new EventImpl(id);
           return event;
       }
  -    
  +
       protected Condition buildCondition(Element element)
  -            throws WorkflowBuildException {
  +        throws WorkflowBuildException {
           String className = element.getAttribute(CLASS_ATTRIBUTE);
           String expression = DocumentHelper.getSimpleElementText(element);
  -        Condition condition = ConditionFactory.createCondition(className, expression);
  +        Condition condition =
  +            ConditionFactory.createCondition(className, expression);
           return condition;
       }
  -    
  +
       protected Action buildAction(Element element) {
           String id = element.getAttribute(ID_ATTRIBUTE);
           Action action = new ActionImpl(id);
           return action;
       }
  -    
  +
   }
  
  
  

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