com.github.paganini2008.devtools.converter.BaseConverter Maven / Gradle / Ivy
package com.github.paganini2008.devtools.converter;
import java.util.HashMap;
import java.util.Map;
/**
* BaseConverter
*
* @author Fred Feng
* @version 1.0
*/
public abstract class BaseConverter implements Converter, ConverterManager {
private final Map, Converter> converterRegistry = new HashMap, Converter>();
protected ConverterConfig config = new ConverterConfig();
public void setConfig(ConverterConfig config) {
this.config = config;
}
public ConverterConfig getConfig() {
return config;
}
public void put(Class requiredType, Converter converter) {
converterRegistry.put(requiredType, converter);
}
public void remove(Class requiredType) {
converterRegistry.remove(requiredType);
}
public Converter lookup(Class requiredType) {
return converterRegistry.get(requiredType);
}
public boolean contains(Class requiredType) {
return converterRegistry.containsKey(requiredType);
}
@SuppressWarnings("unchecked")
public T getValue(Object value, T defaultValue) {
if (value == null) {
return defaultValue;
}
final Class match = getAssignableClass(value.getClass());
if (match != null) {
Converter converter = (Converter) lookup(match);
return converter.getValue(value, defaultValue);
}
return defaultValue;
}
protected Class getAssignableClass(Class actual) {
for (Class type : converterRegistry.keySet()) {
if (type.equals(actual) || type.isAssignableFrom(actual)) {
return type;
}
}
return null;
}
}