org.apache.juneau.BeanDictionaryBuilder Maven / Gradle / Ivy
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package org.apache.juneau;
import java.util.*;
import org.apache.juneau.annotation.*;
import org.apache.juneau.internal.*;
/**
* Utility class for creating {@link BeanDictionary} objects.
*
* This class is a programmatic equivalent to the {@link BeanProperty#beanDictionary()} annotation and {@link BeanContext#BEAN_beanDictionary} property.
* It allows bean dictionaries to be constructed
*
* @author james.bognar
*/
public class BeanDictionaryBuilder {
Map> map = new HashMap>();
BeanContext beanContext;
/**
* Add the specified classes to this type dictionary.
*
* Classes can be of the following types:
*
* - Bean classes.
*
- Subclasses of {@link BeanDictionaryBuilder} that identify an entire set of mappings.
*
*
* @param classes The classes to add to this dictionary builder.
* @return This object (for method chaining).
*/
public BeanDictionaryBuilder add(Class...classes) {
for (Class c : classes) {
if (c != null) {
if (ClassUtils.isParentClass(BeanDictionaryBuilder.class, c)) {
try {
BeanDictionaryBuilder l2 = (BeanDictionaryBuilder)c.newInstance();
for (Map.Entry> e : l2.map.entrySet())
map.put(e.getKey(), e.getValue());
} catch (Exception e) {
throw new BeanRuntimeException(e);
}
} else {
Bean b = c.getAnnotation(Bean.class);
if (b == null || b.typeName().isEmpty())
throw new BeanRuntimeException("Class ''{0}'' was passed to TypeDictionaryBuilder but it doesn't have a @Bean.typeName() annotation defined.", c.getName());
map.put(b.typeName(), c);
}
}
}
return this;
}
BeanDictionaryBuilder setBeanContext(BeanContext beanContext) {
this.beanContext = beanContext;
return this;
}
BeanDictionary build() {
return new BeanDictionary(this);
}
}