Example usage for org.springframework.beans.factory.config BeanDefinitionVisitor BeanDefinitionVisitor

Introduction

In this page you can find the example usage for org.springframework.beans.factory.config BeanDefinitionVisitor BeanDefinitionVisitor.

Prototype

public BeanDefinitionVisitor(StringValueResolver valueResolver) 

Source Link

Document

Create a new BeanDefinitionVisitor, applying the specified value resolver to all bean metadata values.

Usage

From source file:de.acosix.alfresco.mtsupport.repo.subsystems.TenantAwareSubsystemPlaceholderConfigurer.java

/**
 * {@inheritDoc}/*from w ww. java  2  s. c o m*/
 */
@Override
protected void doProcessProperties(final ConfigurableListableBeanFactory beanFactoryToProcess,
        final StringValueResolver valueResolver) {
    final BeanDefinitionVisitor visitor = new BeanDefinitionVisitor(valueResolver) {

        /**
         * {@inheritDoc}
         */
        @Override
        protected Object resolveValue(final Object value) {
            Object result = value;

            // TODO Report bug with Spring
            // TypedStringValue may be reused as result of cloneBeanDefinition and thus should not be mutated

            if (value instanceof TypedStringValue) {
                final TypedStringValue typedStringValue = (TypedStringValue) value;
                final String stringValue = typedStringValue.getValue();
                if (stringValue != null) {
                    final String visitedString = this.resolveStringValue(stringValue);
                    if (!stringValue.equals(visitedString)) {
                        result = typedStringValue.hasTargetType()
                                ? new TypedStringValue(visitedString, typedStringValue.getTargetType())
                                : new TypedStringValue(visitedString);
                    }
                }
            } else {
                result = super.resolveValue(value);
            }

            return result;
        }
    };

    final String[] beanNames = beanFactoryToProcess.getBeanDefinitionNames();
    for (final String curName : beanNames) {
        // Check that we're not parsing our own bean definition,
        // to avoid failing on unresolvable placeholders in properties file locations.
        if (!(curName.equals(this.beanName) && beanFactoryToProcess.equals(this.beanFactory))) {
            final String tenantDomain;
            if (curName.contains(TenantBeanUtils.TENANT_BEAN_NAME_PATTERN)) {
                tenantDomain = curName.substring(curName.indexOf(TenantBeanUtils.TENANT_BEAN_NAME_PATTERN)
                        + TenantBeanUtils.TENANT_BEAN_NAME_PATTERN.length());
                LOGGER.debug("[{}] Processing bean {} for tenant domain {}", this.beanName, curName,
                        tenantDomain);
            } else {
                LOGGER.debug("[{}] Processing bean {} without tenant domain", this.beanName, curName);
                tenantDomain = null;
            }

            final BeanDefinition bd = beanFactoryToProcess.getBeanDefinition(curName);
            TENANT_CONTEXT.set(tenantDomain);
            try {
                visitor.visitBeanDefinition(bd);
            } catch (final Exception ex) {
                throw new BeanDefinitionStoreException(bd.getResourceDescription(), curName, ex.getMessage());
            } finally {
                TENANT_CONTEXT.remove();
            }
        }
    }
    LOGGER.debug("[{}] Completed processing all beans", this.beanName);

    // New in Spring 2.5: resolve placeholders in alias target names and aliases as well.
    beanFactoryToProcess.resolveAliases(valueResolver);

    // New in Spring 3.0: resolve placeholders in embedded values such as annotation attributes.
    beanFactoryToProcess.addEmbeddedValueResolver(valueResolver);

}

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