/******************************************************************************
* 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.blueprint.config.internal;
import java.util.Map;
import java.util.Set;
import org.eclipse.gemini.blueprint.config.internal.OsgiDefaultsDefinition;
import org.eclipse.gemini.blueprint.config.internal.ServiceBeanDefinitionParser;
import org.eclipse.gemini.blueprint.config.internal.util.AttributeCallback;
import org.eclipse.gemini.blueprint.config.internal.util.ParserUtils;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.xml.DomUtils;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* @author Costin Leau
*/
public class BlueprintServiceDefinitionParser extends ServiceBeanDefinitionParser {
private static final String INTERFACE = "interface";
private static final String INTERFACES = "interfaces";
private static final String AUTOEXPORT = "auto-export";
private static final String DISABLED = "disabled";
private static final String LAZY_LISTENERS = "lazyListeners";
private static final String CACHE_TARGET = "cacheTarget";
private static class BlueprintServiceAttributeCallback implements AttributeCallback {
private static final String ACTIVATION = "activation";
public boolean process(Element parent, Attr attribute, BeanDefinitionBuilder builder) {
String name = attribute.getLocalName();
String value = attribute.getValue();
if (ACTIVATION.equals(name)) {
builder.addPropertyValue(LAZY_LISTENERS, Boolean.valueOf(value.startsWith("l")));
return false;
}
return true;
}
}
@Override
protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
// first check the attributes
if (element.hasAttribute(AUTOEXPORT) && !DISABLED.equals(element.getAttribute(AUTOEXPORT).trim())) {
if (element.hasAttribute(INTERFACE)) {
parserContext.getReaderContext().error(
"either 'auto-export' or 'interface' attribute has be specified but not both", element);
}
if (DomUtils.getChildElementByTagName(element, INTERFACES) != null) {
parserContext.getReaderContext().error(
"either 'auto-export' attribute or <intefaces> sub-element has be specified but not both",
element);
}
}
builder.addPropertyValue(CACHE_TARGET, true);
super.doParse(element, parserContext, builder);
}
@Override
protected void parseAttributes(Element element, BeanDefinitionBuilder builder, AttributeCallback[] callbacks,
OsgiDefaultsDefinition defaults) {
// add BlueprintAttr Callback
AttributeCallback blueprintCallback = new BlueprintServiceAttributeCallback();
super.parseAttributes(element, builder, ParserUtils.mergeCallbacks(
new AttributeCallback[] { blueprintCallback }, callbacks), defaults);
}
@Override
protected Map<?, ?> parsePropertyMapElement(ParserContext context, Element beanDef, BeanDefinition beanDefinition) {
return BlueprintParser.parsePropertyMapElement(context, beanDef, beanDefinition);
}
@Override
protected Set<?> parsePropertySetElement(ParserContext context, Element beanDef, BeanDefinition beanDefinition) {
return BlueprintParser.parsePropertySetElement(context, beanDef, beanDefinition);
}
@Override
protected Object parsePropertySubElement(ParserContext context, Element beanDef, BeanDefinition beanDefinition) {
return BlueprintParser.parsePropertySubElement(context, beanDef, beanDefinition);
}
@Override
protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext)
throws BeanDefinitionStoreException {
String id =
ParsingUtils.resolveId(element, definition, parserContext, shouldGenerateId(),
shouldGenerateIdAsFallback());
validateServiceReferences(element, id, parserContext);
return id;
}
@Override
protected OsgiDefaultsDefinition resolveDefaults(Document document, ParserContext parserContext) {
return new BlueprintDefaultsDefinition(document, parserContext);
}
@Override
protected void postProcessListenerDefinition(BeanDefinition wrapperDef) {
wrapperDef.getPropertyValues().addPropertyValue("blueprintCompliant", true);
}
@Override
protected void applyDefaults(ParserContext parserContext, OsgiDefaultsDefinition defaults,
BeanDefinitionBuilder builder) {
super.applyDefaults(parserContext, defaults, builder);
if (defaults instanceof BlueprintDefaultsDefinition) {
BlueprintDefaultsDefinition defs = (BlueprintDefaultsDefinition) defaults;
if (defs.getDefaultInitialization()) {
builder.addPropertyValue(LAZY_LISTENERS, Boolean.valueOf(defs.getDefaultInitialization()));
}
}
}
}