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/*******************************************************************************
* Copyright (c) 2004, 2006 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.facesconfig.ui.pageflow.synchronization;
import java.util.List;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.jst.jsf.facesconfig.emf.FacesConfigType;
import org.eclipse.jst.jsf.facesconfig.emf.FromOutcomeType;
import org.eclipse.jst.jsf.facesconfig.emf.NavigationCaseType;
import org.eclipse.jst.jsf.facesconfig.emf.NavigationRuleType;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.Pageflow;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.PageflowLink;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.PageflowNode;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.PageflowPage;
/**
* The util for pageflow and faces-config transforming
*
* @author hmeng
*/
public class TransformUtil {
/**
* To see if the faces-config element is on a valid hirachy.
* @param object
* @return true if object's root ancestor is a facesConfig model
*/
public static boolean isValidFacesConfigElement(EObject object) {
EObject parent = EcoreUtil.getRootContainer(object);
boolean result = parent instanceof FacesConfigType;
return result;
}
/**
* To see if the pageflow element is on a valid hirachy.
* @param element
* @return true if element's root ancestor is a page flow element
*/
public static boolean isValidPageflowElement(EObject element) {
EObject root = EcoreUtil.getRootContainer(element);
boolean result = root instanceof Pageflow;
return result;
}
/**
* @param link
* @return true the link is valid
*/
public static boolean isValidLink(PageflowLink link) {
return isValidPageflowElement(link) && link.getSource() != null
&& link.getTarget() != null;
}
/**
* @param rule
* @return gets the from-view-id from rule
*/
public static String getFromViewID(NavigationRuleType rule) {
String result = "*"; //$NON-NLS-1$
if (rule.getFromViewId() != null) {
result = rule.getFromViewId().getTextContent();
}
return result;
}
/**
* @param navCase
* @return gets the to-view-id from navCase
*/
public static String getToViewID(NavigationCaseType navCase) {
String result = "*"; //$NON-NLS-1$
if (navCase.getToViewId() != null) {
result = navCase.getToViewId().getTextContent();
}
return result;
}
/**
* @param path
* @param pageflow
* @return get pageflowpage in pageflow corresponding to path
*/
public static PageflowPage findPage(String path, Pageflow pageflow) {
List nodes = pageflow.getNodes();
for (int i = 0; i < nodes.size(); i++) {
if (nodes.get(i) instanceof PageflowPage) {
if (path != null) {
if (path.equals(((PageflowPage) nodes.get(i)).getPath())) {
return (PageflowPage) nodes.get(i);
}
}
}
}
return null;
}
/**
* @param action
* @param outcome
* @param pageflow
* @return find the end case
*/
public static PageflowNode findCaseEnd(PageflowPage action,
FromOutcomeType outcome, Pageflow pageflow) {
// TODO: find a case end in pageflow model
List links = action.getOutlinks();
for (int i = 0; i < links.size(); i++) {
PageflowLink link = (PageflowLink) links.get(i);
String outcomeStr = ""; //$NON-NLS-1$
if (outcome != null) {
outcomeStr = outcome.getTextContent();
}
if (link.getOutcome().equals(outcomeStr)) {
return link.getTarget();
}
}
return null;
}
}
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