/*
* Copyright 2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.yarn.config;
import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.ManagedList;
import org.springframework.core.Conventions;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;
/**
* Namespace utilities.
*
* @author Costin Leau
*/
abstract class NamespaceUtils {
static final String REF_ATTRIBUTE = "ref";
static boolean isReference(String attributeName) {
return attributeName.endsWith("-ref");
}
static void setPropertyValue(Element element, BeanDefinitionBuilder builder, String attrName, String propertyName) {
String attr = element.getAttribute(attrName);
if (StringUtils.hasText(attr)) {
builder.addPropertyValue(propertyName, attr);
}
}
static void setPropertyValue(Element element, BeanDefinitionBuilder builder, String attrName) {
setPropertyValue(element, builder, attrName, Conventions.attributeNameToPropertyName(attrName));
}
static boolean setPropertyReference(Element element, BeanDefinitionBuilder builder, String attrName,
String propertyName) {
String attr = element.getAttribute(attrName);
if (StringUtils.hasText(attr)) {
builder.addPropertyReference(propertyName, attr);
return true;
}
return false;
}
static boolean setPropertyReference(Element element, BeanDefinitionBuilder builder, String attrName) {
return setPropertyReference(element, builder, attrName,
Conventions.attributeNameToPropertyName(isReference(attrName) ? attrName.substring(0,
attrName.length() - 4) : attrName));
}
static boolean setCSVProperty(Element element, BeanDefinitionBuilder builder, String attrName, String propertyName) {
String attr = element.getAttribute(attrName);
if (StringUtils.hasText(attr)) {
String[] strs = StringUtils.commaDelimitedListToStringArray(attr);
ManagedList<String> list = new ManagedList<String>(strs.length);
for (int i = 0; i < strs.length; i++) {
list.add(strs[i].trim());
}
builder.addPropertyValue(propertyName, list);
return true;
}
return false;
}
static boolean setCSVReferenceProperty(Element element, BeanDefinitionBuilder builder, String attrName,
String propertyName) {
String attr = element.getAttribute(attrName);
if (StringUtils.hasText(attr)) {
String[] strs = StringUtils.commaDelimitedListToStringArray(attr);
ManagedList<RuntimeBeanReference> list = new ManagedList<RuntimeBeanReference>(strs.length);
for (int i = 0; i < strs.length; i++) {
list.add(new RuntimeBeanReference(strs[i].trim()));
}
builder.addPropertyValue(propertyName, list);
return true;
}
return false;
}
static boolean setCSVProperty(Element element, BeanDefinitionBuilder builder, String attrName) {
return setCSVProperty(element, builder, attrName, attrName);
}
}