org.springframework.data.cassandra.config.ParsingUtils Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of spring-data-cassandra Show documentation
Show all versions of spring-data-cassandra Show documentation
Cassandra support for Spring Data
/*
* Copyright 2013-2018 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.data.cassandra.config;
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.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
/**
* Utility class for parsing Cassandra XML namespace configuration meta-data.
*
* @author John Blum
* @author Mark Paluch
*/
abstract class ParsingUtils {
/**
* Convenience method delegating to
* {@link #addProperty(BeanDefinitionBuilder, String, String, String, boolean, boolean)}.
*/
public static void addOptionalPropertyReference(BeanDefinitionBuilder builder, String propertyName, Attr attribute,
String defaultValue) {
addProperty(builder, propertyName, attribute.getValue(), defaultValue, false, true);
}
/**
* Convenience method delegating to
* {@link #addProperty(BeanDefinitionBuilder, String, String, String, boolean, boolean)}.
*/
public static void addOptionalPropertyReference(BeanDefinitionBuilder builder, String propertyName, Element element,
String attributeName) {
addProperty(builder, propertyName, element.getAttribute(attributeName), null, false, true);
}
/**
* Convenience method delegating to
* {@link #addProperty(BeanDefinitionBuilder, String, String, String, boolean, boolean)}.
*/
public static void addOptionalPropertyReference(BeanDefinitionBuilder builder, String propertyName, Element element,
String attributeName, String defaultValue) {
addProperty(builder, propertyName, element.getAttribute(attributeName), defaultValue, false, true);
}
/**
* Convenience method delegating to
* {@link #addProperty(BeanDefinitionBuilder, String, String, String, boolean, boolean)}.
*/
public static void addOptionalPropertyValue(BeanDefinitionBuilder builder, String propertyName, Attr attribute,
String defaultValue) {
addProperty(builder, propertyName, attribute.getValue(), defaultValue, false, false);
}
/**
* Convenience method delegating to
* {@link #addProperty(BeanDefinitionBuilder, String, String, String, boolean, boolean)}.
*/
public static void addOptionalPropertyValue(BeanDefinitionBuilder builder, String propertyName, Element element,
String attributeName) {
addProperty(builder, propertyName, element.getAttribute(attributeName), null, false, false);
}
/**
* Convenience method delegating to
* {@link #addProperty(BeanDefinitionBuilder, String, String, String, boolean, boolean)}.
*/
public static void addOptionalPropertyValue(BeanDefinitionBuilder builder, String propertyName, Element element,
String attributeName, @Nullable String defaultValue) {
addProperty(builder, propertyName, element.getAttribute(attributeName), defaultValue, false, false);
}
/**
* Convenience method delegating to
* {@link #addProperty(BeanDefinitionBuilder, String, String, String, boolean, boolean)}.
*/
public static void addRequiredPropertyReference(BeanDefinitionBuilder builder, String propertyName, Element element,
String attributeName) {
addProperty(builder, propertyName, element.getAttribute(attributeName), null, true, true);
}
/**
* Convenience method delegating to
* {@link #addProperty(BeanDefinitionBuilder, String, String, String, boolean, boolean)}.
*/
public static void addRequiredPropertyReference(BeanDefinitionBuilder builder, String propertyName, String value) {
addProperty(builder, propertyName, value, null, true, true);
}
/**
* Convenience method delegating to
* {@link #addProperty(BeanDefinitionBuilder, String, String, String, boolean, boolean)}.
*/
public static void addRequiredPropertyValue(BeanDefinitionBuilder builder, String propertyName, Attr attribute) {
addProperty(builder, propertyName, attribute.getValue(), null, true, false);
}
/**
* Convenience method delegating to
* {@link #addProperty(BeanDefinitionBuilder, String, String, String, boolean, boolean)}.
*/
public static void addRequiredPropertyValue(BeanDefinitionBuilder builder, String propertyName, Element element,
String attributeName) {
addProperty(builder, propertyName, element.getAttribute(attributeName), null, true, false);
}
/**
* Convenience method delegating to
* {@link #addProperty(BeanDefinitionBuilder, String, String, String, boolean, boolean)}.
*/
public static void addRequiredPropertyValue(BeanDefinitionBuilder builder, String propertyName, String value) {
addProperty(builder, propertyName, value, null, true, false);
}
/**
* Adds the named property and value, or reference to the given {@link BeanDefinitionBuilder} with an optional default
* value if the value has not been specified.
*
* If {@code required} is false
, value
is null or empty, and {@code defaultValue} is null or
* empty, then no property is added to the bean definition and this method silently returns.
*
* @param builder {@link BeanDefinitionBuilder} used to build the {@link BeanDefinition}.
* @param propertyName name of the property to add.
* @param value value for the property being added.
* @param defaultValue default value for the property if value is null or empty.
* @param required If {@code true}, then value
must not be null or empty. If false
, then
* {@code value} may be null and the defaultValue
will be used. If required
is
* {@code false}, value
is null or empty, and defaultValue
is null or empty, then
* no property is added to the bean definition and this method silently returns.
* @param reference If {@code true}, then the value
value for the named property is considered a reference
* to another bean in the Spring context.
* @return the given {@link BeanDefinitionBuilder}.
* @throws IllegalArgumentException if either the {@link BeanDefinitionBuilder} is null or the {@code propertyName}
* has not been specified.
* @see BeanDefinitionBuilder#addPropertyReference(String, String)
* @see BeanDefinitionBuilder#addPropertyValue(String, Object)
*/
public static BeanDefinitionBuilder addProperty(BeanDefinitionBuilder builder, String propertyName, String value,
@Nullable String defaultValue, boolean required, boolean reference) {
Assert.notNull(builder, "BeanDefinitionBuilder must not be null");
Assert.hasText(propertyName, "Property name must not be null");
if (!StringUtils.hasText(value)) {
if (required) {
throw new IllegalArgumentException(String.format("value required for property %1$s[%2$s] on class [%3$s]",
reference ? "reference " : "", propertyName, builder.getRawBeanDefinition().getBeanClassName()));
} else {
value = defaultValue;
}
}
if (StringUtils.hasText(value)) {
if (reference) {
builder.addPropertyReference(propertyName, value);
} else {
builder.addPropertyValue(propertyName, value);
}
}
return builder;
}
/**
* Returns a {@link BeanDefinition} built from the given {@link BeanDefinitionBuilder} enriched with source meta-data
* derived from the given {@link Element}.
*
* @param builder {@link BeanDefinitionBuilder} used to build the {@link BeanDefinition}.
* @param parserContext {@link ParserContext} used to track state during the parsing operation.
* @param element DOM {@link Element} defining the meta-data that is the source of the {@link BeanDefinition}s
* configuration.
* @return the {@link BeanDefinition} built by the given {@link BeanDefinitionBuilder}.
* @throws IllegalArgumentException if the {@link BeanDefinitionBuilder} or {@link ParserContext} are null.
*/
public static AbstractBeanDefinition getSourceBeanDefinition(BeanDefinitionBuilder builder,
ParserContext parserContext, Element element) {
Assert.notNull(parserContext, "ParserContext must not be null");
return getSourceBeanDefinition(builder, parserContext.extractSource(element));
}
/**
* Returns a {@link AbstractBeanDefinition} built from the given {@link BeanDefinitionBuilder} with the given
* extracted source applied.
*
* @param builder {@link BeanDefinitionBuilder} used to build the {@link BeanDefinition}.
* @param source source meta-data used by the builder to construct the {@link BeanDefinition}.
* @return a raw {@link BeanDefinition} built by the given {@link BeanDefinitionBuilder}.
* @throws IllegalArgumentException if {@link BeanDefinitionBuilder} is null.
*/
public static AbstractBeanDefinition getSourceBeanDefinition(BeanDefinitionBuilder builder, Object source) {
Assert.notNull(builder, "BeanDefinitionBuilder must not be null");
AbstractBeanDefinition beanDefinition = builder.getBeanDefinition();
beanDefinition.setSource(source);
return beanDefinition;
}
}