org.wicketstuff.simile.timeline.json.JsonUtils Maven / Gradle / Ivy

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package org.wicketstuff.simile.timeline.json;

import java.text.SimpleDateFormat;
import java.util.Collection;
import java.util.Date;

import org.wicketstuff.simile.timeline.model.BandInfoParameters;
import org.wicketstuff.simile.timeline.model.JsonConstructor;
import org.wicketstuff.simile.timeline.model.RawString;
import org.wicketstuff.simile.timeline.model.BandInfoParameters.DateTime;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import net.sf.json.JsonConfig;
import net.sf.json.processors.JsonBeanProcessor;
import net.sf.json.processors.JsonValueProcessor;
import net.sf.json.util.WebUtils;

public class JsonUtils {
	private JsonConfig jsonConfig;
	
	public String convertBandInfos(Collection bandInfos)
	{
		JSONArray bandInfo = new JSONArray();
		for (BandInfoParameters params : bandInfos) {
			bandInfo.add(new JsonConstructor(
					"Timeline.createBandInfo", params), jsonConfig);
		}

		return WebUtils.toString(bandInfo);
	}
	
	public JsonUtils()
	{
		jsonConfig = new JsonConfig();

		jsonConfig.registerJsonValueProcessor(DateTime.class,
				new JsonValueProcessor() {
					public Object processArrayValue(Object arg0, JsonConfig arg1) {
						throw new UnsupportedOperationException();
					}

					public Object processObjectValue(String arg0, Object arg1,
							JsonConfig arg2) {
						return new JSONRawString("Timeline.DateTime."
								+ ((DateTime) arg1).toString());
					}

				});
		jsonConfig.registerJsonBeanProcessor(JsonConstructor.class,
				new JsonBeanProcessor() {

					public JSONObject processBean(Object arg0, JsonConfig arg1) {
						return (JSONObject) arg1.findJsonValueProcessor(
								JsonConstructor.class).processObjectValue(null,
								arg0, arg1);
					}

				});
		jsonConfig.registerJsonValueProcessor(JsonConstructor.class,
				new JsonValueProcessor() {
					public Object processArrayValue(Object arg0, JsonConfig arg1) {
						return processObjectValue(null, arg0, arg1);
					}

					public Object processObjectValue(String arg0, Object arg1,
							JsonConfig arg2) {
						JsonConstructor constructor = (JsonConstructor) arg1;
						return new JSONRawString(constructor.getName()
								+ "("
								+ WebUtils.toString(JSONObject.fromObject(
										constructor.getObject(), arg2)) + ")");
					}

				});
		jsonConfig.registerJsonValueProcessor(RawString.class,
				new JsonValueProcessor() {
					public Object processArrayValue(Object arg0, JsonConfig arg1) {
						throw new UnsupportedOperationException();
					}

					public Object processObjectValue(String arg0, Object arg1,
							JsonConfig arg2) {
						return new JSONRawString(((RawString) arg1).toString());
					}

				});
		jsonConfig.registerJsonValueProcessor(RawString.class,
				new JsonValueProcessor() {
					public Object processArrayValue(Object arg0, JsonConfig arg1) {
						throw new UnsupportedOperationException();
					}

					public Object processObjectValue(String arg0, Object arg1,
							JsonConfig arg2) {
						return new JSONRawString(((RawString) arg1).toString());
					}

				});
		jsonConfig.registerJsonValueProcessor(Date.class,
				new JsonValueProcessor() {
					public Object processArrayValue(Object arg0, JsonConfig arg1) {
						throw new UnsupportedOperationException();
					}

					public Object processObjectValue(String arg0, Object arg1,
							JsonConfig arg2) {
						Date date = (Date) arg1;
						String dateString = new SimpleDateFormat("yyyy")
								.format(date);
						String retval = "Timeline.DateTime.parseGregorianDateTime(\""
								+ dateString + "\")";
						return new JSONRawString(retval);
					}

				});
		jsonConfig.registerJsonValueProcessor(Date.class,
				new JsonValueProcessor() {
					public Object processArrayValue(Object arg0, JsonConfig arg1) {
						throw new UnsupportedOperationException();
					}

					public Object processObjectValue(String arg0, Object arg1,
							JsonConfig arg2) {
						Date date = (Date) arg1;
						String dateString = new SimpleDateFormat("yyyy")
								.format(date);
						String retval = "Timeline.DateTime.parseGregorianDateTime(\""
								+ dateString + "\")";
						return new JSONRawString(retval);
					}

				});

	}
}