JAXBDataBindingHolder.java

import static com.google.common.base.Throwables.getRootCause;
import static com.google.common.base.Throwables.propagate;

import java.util.concurrent.ExecutionException;

import org.apache.cxf.jaxb.JAXBDataBinding;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import com.google.inject.Singleton;

@Singleton
public class JAXBDataBindingHolder {
  
  private final LoadingCache<Class<?>, JAXBDataBinding> cache =
      CacheBuilder.newBuilder()
          .build(new CacheLoader<Class<?>, JAXBDataBinding>() {
            @Override
            public JAXBDataBinding load(Class<?> clazz) throws Exception {
              return new JAXBDataBinding();
            }
          });

  public JAXBDataBinding getDataBinding(Class<?> clazz) {
    try {
      return cache.get(clazz);
    } catch (ExecutionException e) {
      throw propagate(getRootCause(e));
    }
  }
  
}