David Raygoza Gómez HashRaygoza

Trabajo como desarrollador software en Java, escribo tutoriales de programación y el ocasional comic

20 followers · 6 following

México
https://medium.com/@HashRaygoza

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HashRaygoza / App.java

Created February 18, 2021 06:16

	package mx.hash.xml2json;

	import java.io.IOException;
	import java.util.logging.Level;
	import java.util.logging.Logger;
	import javax.xml.parsers.ParserConfigurationException;
	import javax.xml.transform.TransformerException;
	import org.xml.sax.SAXException;

	public class App {

HashRaygoza / ConversorJSON.java

Created February 18, 2021 06:12

	package mx.hash.xml2json;

	import java.io.File;
	import java.io.IOException;
	import java.io.StringWriter;
	import javax.xml.parsers.DocumentBuilder;
	import javax.xml.parsers.DocumentBuilderFactory;
	import javax.xml.parsers.ParserConfigurationException;
	import javax.xml.transform.Transformer;
	import javax.xml.transform.TransformerConfigurationException;

HashRaygoza / leerXML.java

Last active February 18, 2021 04:15

	File archivo = new File(file);
	DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();

	// Esto es para agilizar la lectura de archivos grandes
	documentBuilderFactory.setNamespaceAware(false);
	documentBuilderFactory.setValidating(false);
	documentBuilderFactory.setFeature("http://xml.org/sax/features/namespaces", false);
	documentBuilderFactory.setFeature("http://xml.org/sax/features/validation", false);
	documentBuilderFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
	documentBuilderFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);

HashRaygoza / emoji.c

Created January 2, 2021 22:31

Emojis en C

	#include <stdio.h>
	#define 👍 0;


	void 😸😸😸😸😸() {
	printf("😸 Miau\n");
	}

	void 😲() {
	printf("😲 Esto funciono!!! 😲\n");

HashRaygoza / XPathReader.java

Created October 25, 2020 21:21

ejemplo de lectura de XML con XPath

	package mx.hash.xmlreader;

	import java.io.File;
	import java.io.IOException;
	import java.util.logging.Level;
	import java.util.logging.Logger;
	import javax.xml.parsers.DocumentBuilder;
	import javax.xml.parsers.DocumentBuilderFactory;
	import javax.xml.parsers.ParserConfigurationException;
	import javax.xml.xpath.XPath;

HashRaygoza / cfdi.xml

Created October 25, 2020 21:04

XML de ejemplo

<?xml version="1.0" encoding="UTF-8"?>

<cfdi:Comprobante xmlns:cfdi="http://www.sat.gob.mx/cfd/3" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sat.gob.mx/cfd/3 http://www.sat.gob.mx/sitio_internet/cfd/3/cfdv33.xsd" Version="3.3" Serie="A" Folio="01" Fecha="2017-11-02T10:47:43" Sello="i4+8eOTrwoJQSEU5/LycHBGgis4u9BomXnAFPQCvclo/orIPtmL98k7RA7SNWXgH/9L1Rum/xqjGmerR4o0BO0CBtK16v3riBEwO92VlYbM9rWzd+K9R4uSqtctMd1vQumWf7ssmRytNRprjXuD2itCdxMKgqHg7+rreGV1WU1g=" FormaPago="03" NoCertificado="20001000000200000192" Certificado="MIIERjCCAy6gAwIBAgIUMjAwMDEwMDAwMDAyMDAwMDAxOTIwDQYJKoZIhvcNAQEFBQAwggFcMRowGAYDVQQDDBFBLkMuIDIgZGUgcHJ1ZWJhczEvMC0GA1UECgwmU2VydmljaW8gZGUgQWRtaW5pc3RyYWNpw7NuIFRyaWJ1dGFyaWExODA2BgNVBAsML0FkbWluaXN0cmFjacOzbiBkZSBTZWd1cmlkYWQgZGUgbGEgSW5mb3JtYWNpw7NuMSkwJwYJKoZIhvcNAQkBFhphc2lzbmV0QHBydWViYXMuc2F0LmdvYi5teDEmMCQGA1UECQwdQXYuIEhpZGFsZ28gNzcsIENvbC4gR3VlcnJlcm8xDjAMBgNVBBEMBTA2MzAwMQswCQYDVQQGEwJNWDEZMBcGA1UECAwQ

HashRaygoza / XPathEjemplo.java

Created October 25, 2020 19:01

	// XPath nos permite seleccionar objetos via su ubicacion en la estructura del XML
	XPath xPath = XPathFactory.newInstance().newXPath();

	// La ruta del elemento que deseamos, para este omitir el prefijo cfdi:
	String expresionTranslados = "/Comprobante/Impuestos/Traslados/Traslado";

	// Obtenemos todos los nodos que empatan con la ruta que indicamos
	NodeList nodeListTranslados = (NodeList) xPath.compile(expresionTranslados).evaluate(documento, XPathConstants.NODESET);

HashRaygoza / opcionesDocumentBuilderFactory.java

Created October 25, 2020 05:35

	documentBuilderFactory.setNamespaceAware(false);
	documentBuilderFactory.setValidating(false);
	documentBuilderFactory.setFeature("http://xml.org/sax/features/namespaces", false);
	documentBuilderFactory.setFeature("http://xml.org/sax/features/validation", false);
	documentBuilderFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
	documentBuilderFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);

HashRaygoza / C3P0Ejemplo.java

Created October 3, 2020 22:36

Uso del pool de conexiones

	package mx.ticom.poolconexiones;

	import java.beans.PropertyVetoException;
	import java.io.IOException;
	import java.sql.Connection;
	import java.sql.ResultSet;
	import java.sql.SQLException;
	import java.sql.Statement;
	import java.util.logging.Level;
	import java.util.logging.Logger;

HashRaygoza / PoolC3P0.java

Created October 3, 2020 22:33

Ejemplo del uso del pool de conexiones C3P0

	package mx.ticom.poolconexiones;

	import com.mchange.v2.c3p0.ComboPooledDataSource;
	import java.beans.PropertyVetoException;
	import java.io.IOException;
	import java.sql.Connection;
	import java.sql.SQLException;

	public class PoolC3P0 {
	// Notara que el pool es un miembro estatico esto es para evitar duplicidad

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