io.cucumber.needle.LoadResourceBundle Maven / Gradle / Ivy
package io.cucumber.needle;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Enumeration;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
/**
* Null safe Resource Loader. If ResourceBundle does not exist, an empty Bundle
* is returned.
*/
enum LoadResourceBundle {
INSTANCE;
public static final ResourceBundle EMPTY_RESOURCE_BUNDLE = new ResourceBundle() {
@Override
protected Object handleGetObject(final String key) {
return "";
}
@Override
public Enumeration getKeys() {
return new Enumeration() {
@Override
public boolean hasMoreElements() {
return false;
}
@Override
public String nextElement() {
return null;
}
};
}
};
private final Logger logger = LoggerFactory.getLogger(LoadResourceBundle.class);
public final ResourceBundle apply(final String resourceName) {
if (resourceName == null || "".equals(resourceName.trim())) {
throw new IllegalArgumentException("resourceName must not be null or empty!");
}
try {
return ResourceBundle.getBundle(resourceName);
} catch (final MissingResourceException e) {
logger.warn(e.getMessage());
return EMPTY_RESOURCE_BUNDLE;
}
}
}