jp.go.nict.langrid.commons.beanutils.ConverterForJsonRpc Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jp.go.nict.langrid.commons Show documentation

Common and utility library for the Service Grid Server Software and java web services.

The newest version!

package jp.go.nict.langrid.commons.beanutils;

import java.lang.reflect.Array;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Map;

import jp.go.nict.langrid.commons.transformer.TransformationException;
import jp.go.nict.langrid.commons.transformer.Transformer;
import jp.go.nict.langrid.repackaged.net.arnx.jsonic.JSON;

public class ConverterForJsonRpc extends Converter{
	@SuppressWarnings("unchecked")
	@Override
	public  T convert(Object value, Class target)
			throws ConversionException {
		if(value instanceof String && value.equals("[]") && target.isArray()){
			return (T)Array.newInstance(target.getComponentType(), 0);
		}
		try{
			return super.convert(value, target);
		} catch(ConversionException e){
			return null;
		}
	}

	@SuppressWarnings("rawtypes")
	public ConverterForJsonRpc() {
		addTransformerConversion(Map.class, String.class, new Transformer(){
			@Override
			public String transform(Map value) throws TransformationException {
				return JSON.encode(value);
			}
		});
		addTransformerConversion(String.class, Calendar.class, new Transformer(){
			public Calendar transform(String value) throws TransformationException {
				if(value == null) return null;
				if(value.length() == 0) return null;
				Calendar c = Calendar.getInstance();
				try{
					long t = Long.valueOf(value);
					c.setTimeInMillis(t);
					return c;
				} catch(NumberFormatException e){
				}
				try{
					c.setTime(new SimpleDateFormat("yyyy-MM-dd hh:mm:ss").parse(value));
					return c;
				} catch(ParseException e){
				}
				try{
					c.setTime(new SimpleDateFormat("yyyy/MM/dd hh:mm:ss.SSS z").parse(value));
					return c;
				} catch(ParseException e){
				}
				try{
					c.setTime(new SimpleDateFormat("yyyy-MM-dd").parse(value));
					return c;
				} catch(ParseException e){
				}
				throw new TransformationException("failed to convert string:\"" + value + "\" to Calendar.");
			};
		});
	}
}