/*******************************************************************************
* Copyright (c) 2005, 2012 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.bpel.ui.details.providers;
import java.util.Iterator;
import java.util.List;
import org.eclipse.bpel.model.Process;
import org.eclipse.bpel.model.Scope;
import org.eclipse.bpel.model.Variable;
/**
* Content provider for variables.
*
* Expects a Process or a Scope as input.
*/
public class LocalVariableContentProvider extends AbstractContentProvider {
protected boolean needValidMessage; // if true, shows ONLY variables with valid messages
/**
* @param needValidMessage if true, shows ONLY variables with valid messages
*/
public LocalVariableContentProvider(boolean needValidMessage) {
this.needValidMessage = needValidMessage;
}
public LocalVariableContentProvider() {
this.needValidMessage = false;
}
@Override
public void collectElements(Object input, List list) {
if (input instanceof Process) {
Process process = (Process) input;
if (!needValidMessage) {
list.addAll ( process.getVariables().getChildren() );
return;
}
Iterator it = process.getVariables().getChildren().iterator();
while (it.hasNext()) {
Variable var = (Variable) it.next();
if (var.getMessageType() != null) {
list.add(var);
}
}
} else if (input instanceof Scope) {
Scope scope = (Scope) input;
if (scope.getVariables() == null) {
return ;
}
Iterator it = scope.getVariables().getChildren().iterator();
while (it.hasNext()) {
Variable var = (Variable) it.next();
if (var.getMessageType() != null || var.getType() != null)
list.add(var);
}
}
}
}