/******************************************************************************
* Copyright (c) 2006, 2010 VMware Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html and the Apache License v2.0
* is available at http://www.opensource.org/licenses/apache2.0.php.
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
* VMware Inc.
*****************************************************************************/
package org.eclipse.gemini.blueprint.config.internal.util;
import org.eclipse.gemini.blueprint.service.importer.support.Availability;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;
/**
* Reference related parsing utility.
*
* @author Costin Leau
*/
public abstract class ReferenceParsingUtil {
private static final String ONE = "1";
private static final String M = "m";
public static void checkAvailabilityAndCardinalityDuplication(Element element, String availabilityName,
String cardinalityName, ParserContext context) {
String avail = element.getAttribute(availabilityName);
String cardinality = element.getAttribute(cardinalityName);
if (StringUtils.hasText(avail) && StringUtils.hasText(cardinality)) {
boolean availStatus = avail.startsWith(ONE);
boolean cardStatus = cardinality.startsWith(M);
if (availStatus != cardStatus) {
context.getReaderContext().error(
"Both '" + availabilityName + "' and '" + cardinalityName
+ "' attributes have been specified but with contradictory values.", element);
}
}
}
public static Availability determineAvailabilityFromCardinality(String value) {
return (value.startsWith(ONE) ? Availability.MANDATORY : Availability.OPTIONAL);
}
public static Availability determineAvailability(String value) {
return (value.startsWith(M) ? Availability.MANDATORY : Availability.OPTIONAL);
}
}