Subversion Repositories bacoAlunos

package pt.estgp.estgweb.domain;

import com.owlike.genson.Genson;

import com.owlike.genson.GensonBuilder;

import org.apache.log4j.Logger;

import org.json.JSONException;

import org.json.JSONObject;

import pt.estgp.estgweb.domain.utils.JsonView;

import java.beans.BeanInfo;

import java.beans.IntrospectionException;

import java.beans.Introspector;

import java.beans.PropertyDescriptor;

import java.io.IOException;

import java.util.Date;

import java.util.List;

/**

 * @author Jorge Machado

 * @date 2/Mar/2008

 * @time 10:56:46

 * @see pt.estgp.estgweb.domain

 */

public abstract class DomainObject implements JsonView

{

    private static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(DomainObject.class);

    private static final 5+0%2Fdocs%2Fapi+Date">Date MIN_DATE = new 5+0%2Fdocs%2Fapi+Date">Date(0);

    private static final 5+0%2Fdocs%2Fapi+Date">Date MAX_DATE = new 5+0%2Fdocs%2Fapi+Date">Date(1.5.0/docs/api/java/lang/Integer.html">Integer.MAX_VALUE);

    private static Genson gensonGenericLoad;

    static{

        gensonGenericLoad = new GensonBuilder()

                //Usa ClassMetadata nos objectos contidos se houver

                // porque no principal já foi buscar antes fazendo parse ao JSON no metodo fromJson e fazendo get("@class")

                //porque no genson o @class tem de vir em primeiro e pode não

                // se nos outros não vier info da class ele falha

                .useMethods(true) //only bean proerties

                .useFields(true) //pode existir uma var com campos publicos esses ele serializa

                .useRuntimeType(true)

                .useClassMetadata(true)

                .useDateAsTimestamp(true)

                .exclude(5+0%2Fdocs%2Fapi+Date">Date.class)

                .exclude(java.sql.5+0%2Fdocs%2Fapi+Timestamp">Timestamp.class)

                .exclude(java.sql.5+0%2Fdocs%2Fapi+Date">Date.class)

                .create();

    }

    public static DomainObject fromJson(1.5.0/docs/api/java/lang/String.html">String json)

    {

        try {

            1.5.0/docs/api/java/lang/String.html">String className = (1.5.0/docs/api/java/lang/String.html">String) new JSONObject(json).get("@class");

            if(className != null)

                return (DomainObject) gensonGenericLoad.deserialize(json,1.5.0/docs/api/java/lang/Class.html">Class.forName(className));

            return gensonGenericLoad.deserialize(json,DomainObject.class);

        } catch (1.5.0/docs/api/java/lang/ClassNotFoundException.html">ClassNotFoundException e) {

            logger.error(e,e);

            throw new 1.5.0/docs/api/java/lang/RuntimeException.html">RuntimeException("Fail Json Object:",e);

        } catch (JSONException e) {

            logger.error(e, e);

            throw new 1.5.0/docs/api/java/lang/RuntimeException.html">RuntimeException("Fail Json Object:",e);

        }

    }

    private Genson genson = null;

    private synchronized void createGensonBuilder()

    {

        if(genson == null)

        {

            1.5.0/docs/api/java/beans/BeanInfo.html">BeanInfo bi;

            GensonBuilder gensonBuilder = new GensonBuilder()

                    .useClassMetadata(true)

                    .exclude(5+0%2Fdocs%2Fapi+Object">Object.class);

            //.useFields(false, VisibilityFilter.NONE);

            try {

                bi = 1.5.0/docs/api/java/beans/Introspector.html">Introspector.getBeanInfo(this.getClass());

            } catch (5+0%2Fdocs%2Fapi+IntrospectionException">IntrospectionException e) {

                e.printStackTrace();

                throw new 1.5.0/docs/api/java/lang/RuntimeException.html">RuntimeException(e);

            }

            List<String> excludedProperties = getJsonExcludedProperties();

            1.5.0/docs/api/java/beans/PropertyDescriptor.html">PropertyDescriptor[] pds = bi.getPropertyDescriptors();

            for (int i = 0; i < pds.length; i++) {

                1.5.0/docs/api/java/lang/String.html">String propName = pds[i].getDisplayName();

                if(excludedProperties == null || !excludedProperties.contains(propName))

                    gensonBuilder = gensonBuilder.include(propName,this.getClass());

                else

                    gensonBuilder = gensonBuilder.exclude(propName, this.getClass());

            }

            genson = gensonBuilder.create();

        }

    }

    /**

     * Generic Json Object only for local class methods

     * @return

     * @throws JSONException

     */

    @1.5.0/docs/api/java/lang/Override.html">Override

    public JSONObject toJsonObject() throws JSONException

    {

        return new JSONObject(toJson());

    }

    /**

     * * Generic Json Object only for local class methods

     * @return

     * @throws IOException

     */

    @1.5.0/docs/api/java/lang/Override.html">Override

    public 1.5.0/docs/api/java/lang/String.html">String toJson() {

        createGensonBuilder();

        return genson.serialize(this);

    }

    @1.5.0/docs/api/java/lang/Override.html">Override

    public List<String> getJsonExcludedProperties() {

        return null;

    }

    public void searchMyMethodsStartingWith(1.5.0/docs/api/java/lang/String.html">String propNamePrefix, List<String> listMethods) {

        1.5.0/docs/api/java/beans/BeanInfo.html">BeanInfo bi;

        try {

            bi = 1.5.0/docs/api/java/beans/Introspector.html">Introspector.getBeanInfo(this.getClass());

        } catch (5+0%2Fdocs%2Fapi+IntrospectionException">IntrospectionException e) {

            e.printStackTrace();

            throw new 1.5.0/docs/api/java/lang/RuntimeException.html">RuntimeException(e);

        }

        1.5.0/docs/api/java/beans/PropertyDescriptor.html">PropertyDescriptor[] pds = bi.getPropertyDescriptors();

        for (int i = 0; i < pds.length; i++) {

            1.5.0/docs/api/java/lang/String.html">String propName = pds[i].getDisplayName();

            if(propName.startsWith(propNamePrefix))

                listMethods.add(propName);

        }

    }

    public void setSaveDate(5+0%2Fdocs%2Fapi+Date">Date d)

    {

    }

    public 5+0%2Fdocs%2Fapi+Date">Date getSaveDate()

    {

        return null;

    }

    public 5+0%2Fdocs%2Fapi+Date">Date getStartTime()

    {

        return MIN_DATE;

    }

    public 5+0%2Fdocs%2Fapi+Date">Date getEndTime()

    {

        return MAX_DATE;

    }

    public 1.5.0/docs/api/java/lang/Class.html">Class getReferenceClass()

    {

        return this.getClass();

    }

    public static void main(1.5.0/docs/api/java/lang/String.html">String[] argv) throws 1.5.0/docs/api/java/lang/Exception.html">Exception {

       // AbstractDao.getCurrentSession().beginTransaction();

        1.5.0/docs/api/java/lang/System.html">System.out.println(DomainObject.fromJson("{\n" +

                "              \"flowComponentId\": 67,\n" +

                "              \"@class\": \"pt.estgp.estgweb.domain.BpmnFlowConnectorImpl\",\n" +

                "              \"encaminhadorTarefaVarHolder\": null,\n" +

                "              \"updateDate\": 1497716649000,\n" +

                "              \"id\": 14,\n" +

                "              \"msgEmail\": null,\n" +

                "              \"nameConnection\": \"kn\",\n" +

                "              \"sendEmail\": false,\n" +

                "              \"targetTypes\": null,\n" +

                "              \"encaminhadorTarefaVarHolderType\": null,\n" +

                "              \"saveDate\": 1497716649083,\n" +

                "              \"keyValue\": null,\n" +

                "              \"selected\": true,\n" +

                "              \"dirty\": true\n" +

                "            }").toJson());

    }

}