Skip to content

S
servlets
Commit bb365c60 by OscarGonzalez97
Options

se agrega servlet de base de datos

parents
Showing with 362 additions and 0 deletions
.idea/.gitignore 0 → 100644
# Default ignored files
/shelf/
/workspace.xml
/target
\ No newline at end of file
.idea/compiler.xml 0 → 100644
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CompilerConfiguration">
<annotationProcessing>
<profile name="Maven default annotation processors profile" enabled="true">
<sourceOutputDir name="target/generated-sources/annotations" />
<sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
<outputRelativeToContentRoot value="true" />
<module name="servlets" />
</profile>
</annotationProcessing>
</component>
</project>
\ No newline at end of file
.idea/encodings.xml 0 → 100644
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding">
<file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
</component>
</project>
\ No newline at end of file
.idea/jarRepositories.xml 0 → 100644
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="RemoteRepositoriesConfiguration">
<remote-repository>
<option name="id" value="central" />
<option name="name" value="Central Repository" />
<option name="url" value="https://repo.maven.apache.org/maven2" />
</remote-repository>
<remote-repository>
<option name="id" value="central" />
<option name="name" value="Maven Central repository" />
<option name="url" value="https://repo1.maven.org/maven2" />
</remote-repository>
<remote-repository>
<option name="id" value="jboss.community" />
<option name="name" value="JBoss Community repository" />
<option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
</remote-repository>
</component>
</project>
\ No newline at end of file
.idea/misc.xml 0 → 100644
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="MavenProjectsManager">
<option name="originalFiles">
<list>
<option value="$PROJECT_DIR$/pom.xml" />
</list>
</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="liberica-1.8" project-jdk-type="JavaSDK" />
</project>
\ No newline at end of file
.idea/vcs.xml 0 → 100644
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>
\ No newline at end of file
pom.xml 0 → 100644
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.roshka.bootcamp</groupId>
<artifactId>servlets</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>servlets Maven Webapp</name>
<!-- FIXME change it to the project's website -->
<url>http://www.example.com</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- &lt;!&ndash; https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api &ndash;&gt;-->
<!-- <dependency>-->
<!-- <groupId>javax.servlet</groupId>-->
<!-- <artifactId>javax.servlet-api</artifactId>-->
<!-- <version>3.1.0</version>-->
<!-- <scope>provided</scope>-->
<!-- </dependency>-->
<!-- https://mvnrepository.com/artifact/org.postgresql/postgresql -->
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>42.3.5</version>
</dependency>
<!-- https://mvnrepository.com/artifact/jakarta.servlet/jakarta.servlet-api -->
<dependency>
<groupId>jakarta.servlet</groupId>
<artifactId>jakarta.servlet-api</artifactId>
<version>5.0.0</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<finalName>servlets</finalName>
<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>3.1.0</version>
</plugin>
<!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.1</version>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.2</version>
</plugin>
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.5.2</version>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.8.2</version>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>
src/main/java/com/roshka/bootcamp/BD.java 0 → 100644
package com.roshka.bootcamp;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.PrintWriter;
import java.sql.*;
@WebServlet("/conexion")
public class BD extends HttpServlet {
Connection connection;
public void init() {
try {
Class.forName("org.postgresql.Driver");
connection = DriverManager
.getConnection("jdbc:postgresql://localhost:5432/bootcamp_market",
"postgres", "postgres");
} catch (Exception e) {
e.printStackTrace();
System.err.println(e.getClass().getName()+": "+e.getMessage());
System.exit(0);
}
}
@Override
public void doGet(HttpServletRequest req, HttpServletResponse res) {
try {
Statement stmt = connection.createStatement();
res.setContentType("text/html");
PrintWriter out = res.getWriter();
ResultSet rs = stmt
.executeQuery("select a.nombre, apellido, count(b.cliente_id) Cantidad_factura from cliente a " +
"inner join factura b " +
"on a.id=b.cliente_id " +
"group by a.nombre, a.apellido " +
"order by Cantidad_factura desc;");
out.println("<html>");
out.println("<body>");
while (rs.next()) {
String nombre = rs.getString("nombre");
String apellido = rs.getString("apellido");
int cantidad = rs.getInt("Cantidad_factura");
out.println("<p>NOMBRE = \\" + nombre + "</p>");
out.println("<p>APELLIDO = \\" + apellido + "</p>");
out.println("<p>CANTIDAD FACTURA = \\" + cantidad + "</p>");
}
out.println("</body>");
out.println("</html>");
rs.close();
stmt.close();
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
}
}
public void destroy() {
try {
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
src/main/java/com/roshka/bootcamp/HelloWorldServlet.java 0 → 100644
package com.roshka.bootcamp;
import java.io.IOException;
import java.io.PrintWriter;
import jakarta.servlet.*;
public class HelloWorldServlet extends GenericServlet {
private static final long serialVersionUID = 1L;
@Override
public void service(ServletRequest request, ServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<body>");
out.println("<h1>Hola Bootcamp!</h1>");
out.println("</body>");
out.println("</html>");
}
}
\ No newline at end of file
src/main/java/com/roshka/bootcamp/Parameter.java 0 → 100644
package com.roshka.bootcamp;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
@WebServlet("/parameter")
public class Parameter extends HttpServlet {
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
handleRequest(request, response);
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
handleRequest(request, response);
}
public void handleRequest(HttpServletRequest request, HttpServletResponse response) throws IOException {
PrintWriter out = response.getWriter();
response.setContentType("text/plain");
String paramName = "nombre";
String paramValue = request.getParameter(paramName);
out.write(paramName);
out.write(" = ");
out.write(paramValue);
out.write("n");
if (paramValue==null) {
out.write("Parameter " + paramName + " not found");
}
out.close();
}
}
src/main/webapp/WEB-INF/web.xml 0 → 100644
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Archetype Created Web Application</display-name>
<servlet>
<servlet-name>HelloWorldServlet</servlet-name>
<servlet-class>com.roshka.bootcamp.HelloWorldServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>HelloWorldServlet</servlet-name>
<url-pattern>/hola</url-pattern>
</servlet-mapping>
</web-app>
src/main/webapp/index.jsp 0 → 100644
<html>
<body>
<h2>Anda a alguna URL</h2>
</body>
</html>
src/main/webapp/parameters.html 0 → 100644
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Parametros</title>
</head>
<body>
<form method="post" action="parameter">
<label>Nombre: </label>
<input type="text" name="nombre"><br/>
<input type="submit">
</form>
</body>
</html>
\ No newline at end of file
target/maven-archiver/pom.properties 0 → 100644
#Created by Apache Maven 3.6.3
groupId=com.roshka.bootcamp
artifactId=servlets
version=1.0-SNAPSHOT
target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst 0 → 100644
com\roshka\bootcamp\Parameter.class
com\roshka\bootcamp\HelloWorldServlet.class
target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst 0 → 100644
c:\Users\oscar\Documents\programacion\programacion\java\servlets\src\main\java\com\roshka\bootcamp\Parameter.java
c:\Users\oscar\Documents\programacion\programacion\java\servlets\src\main\java\com\roshka\bootcamp\HelloWorldServlet.java
target/servlets/WEB-INF/web.xml 0 → 100644
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Archetype Created Web Application</display-name>
<servlet>
<servlet-name>HelloWorldServlet</servlet-name>
<servlet-class>com.roshka.bootcamp.HelloWorldServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>HelloWorldServlet</servlet-name>
<url-pattern>/hola</url-pattern>
</servlet-mapping>
</web-app>
target/servlets/index.jsp 0 → 100644
<html>
<body>
<h2>Hello indes!</h2>
</body>
</html>
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment