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NeverBehaveNeverBehave
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‎FarmerMarket/FarmerMarket.iml

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<?xml version="1.0" encoding="UTF-8"?>
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<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
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<component name="FacetManager">
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<facet type="web" name="Web">
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<configuration>
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<descriptors>
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<deploymentDescriptor name="web.xml" url="file://$MODULE_DIR$/src/main/webapp/WEB-INF/web.xml" />
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</descriptors>
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<webroots>
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<root url="file://$MODULE_DIR$/src/main/webapp" relative="/" />
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</webroots>
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<sourceRoots>
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<root url="file://$MODULE_DIR$/src/main/resources" />
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<root url="file://$MODULE_DIR$/src/main/java" />
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</sourceRoots>
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</configuration>
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</facet>
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</component>
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<component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
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<output url="file://$MODULE_DIR$/target/classes" />
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<output-test url="file://$MODULE_DIR$/target/test-classes" />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
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<sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
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<excludeFolder url="file://$MODULE_DIR$/target" />
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</content>
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<orderEntry type="jdk" jdkName="15" jdkType="JavaSDK" />
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="library" exported="" name="Maven: javax.mvc:javax.mvc-api:1.0.0" level="project" />
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<orderEntry type="library" exported="" scope="PROVIDED" name="Maven: javax.servlet:javax.servlet-api:4.0.1" level="project" />
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<orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-api:5.7.0" level="project" />
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<orderEntry type="library" scope="TEST" name="Maven: org.apiguardian:apiguardian-api:1.1.0" level="project" />
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<orderEntry type="library" scope="TEST" name="Maven: org.opentest4j:opentest4j:1.2.0" level="project" />
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<orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-commons:1.7.0" level="project" />
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<orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-engine:5.7.0" level="project" />
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<orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-engine:1.7.0" level="project" />
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<orderEntry type="module-library">
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<library>
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<CLASSES>
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<root url="file://$MODULE_DIR$/lib" />
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</CLASSES>
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<JAVADOC />
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<SOURCES />
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<jarDirectory url="file://$MODULE_DIR$/lib" recursive="false" />
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</library>
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</orderEntry>
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</component>
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</module>

‎FarmerMarket/data/Export.csv

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‎FarmerMarket/data/zip_codes_states.csv

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‎FarmerMarket/data/zip_codes_states.sql

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‎FarmerMarket/docker-compose.yml

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# Use root/example as user/password credentials
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version: '3.1'
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services:
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db:
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image: mysql
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command: --default-authentication-plugin=mysql_native_password
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restart: always
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ports:
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- 3306:3306
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environment:
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MYSQL_ROOT_PASSWORD: example
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adminer:
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image: adminer
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restart: always
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ports:
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- 8080:8080
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phpmyadmin:
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image: phpmyadmin
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restart: always
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ports:
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- 8082:80
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environment:
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- PMA_ARBITRARY=1
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- UPLOAD_LIMIT=300M

‎FarmerMarket/lib/mysql-connector-java-8.0.11.jar

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‎FarmerMarket/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.luox6</groupId>
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<artifactId>FarmerMarket</artifactId>
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<version>1.0-SNAPSHOT</version>
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<name>FarmerMarket</name>
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<packaging>war</packaging>
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<properties>
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<maven.compiler.target>1.8</maven.compiler.target>
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<maven.compiler.source>1.8</maven.compiler.source>
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<junit.version>5.7.0</junit.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>javax.mvc</groupId>
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<artifactId>javax.mvc-api</artifactId>
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<version>1.0.0</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>javax.servlet-api</artifactId>
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<version>4.0.1</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-api</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-engine</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-war-plugin</artifactId>
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<version>3.3.0</version>
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</plugin>
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</plugins>
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</build>
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</project>

‎FarmerMarket/src/main/java/com/luox6/FarmerMarket/DB.java

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package com.luox6.FarmerMarket;
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import java.sql.*;
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/**
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* ADT of a database
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*/
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public class DB {
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private String host;
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private String port;
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private String user;
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private String password;
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/**
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* Default constructor from host, port, user and password
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*
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* @param host host of database
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* @param port port of database
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* @param user user of database
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* @param password password of database
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*/
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public DB(String host, String port, String user, String password) {
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this.host = host;
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this.port = port;
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this.user = user;
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this.password = password;
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}
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/**
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* Check if database is connectable to db_name
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*
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* @param db_name name of database to connect
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* @return boolean if database is connectable
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*/
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public boolean isConnectable(String db_name) {
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try {
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Class.forName("com.mysql.cj.jdbc.Driver");
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}
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catch (ClassNotFoundException e) {
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e.printStackTrace();
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return false;
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}
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String URL = "jdbc:mysql://" + host + ":" + port + "/" + db_name;
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Connection conn = null;
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Statement stmt = null;
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ResultSet rs = null;
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try {
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conn = DriverManager.getConnection(URL, user, password);
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stmt = conn.createStatement();
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stmt.close();
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conn.close();
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return true;
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} catch (SQLException e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* Execute cmd as query in database
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*
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* @param cmd query command
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* @return ResultSet of the result of query
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*/
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public ResultSet runQuery(String cmd) {
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String URL = "jdbc:mysql://" + host + ": " + port + "/farmer";
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Connection conn = null;
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Statement stmt = null;
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ResultSet rs = null;
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try {
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conn = DriverManager.getConnection(URL, user, password);
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stmt = conn.createStatement();
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rs = stmt.executeQuery(cmd);
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return rs;
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} catch (SQLException e) {
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return null;
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}
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}
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/**
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* Main program to test a database
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*
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* @param args arguments
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*/
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public static void main(String[] args) {
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DB db = new DB("localhost", "3306", "root", "example");
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System.out.println(db.isConnectable("farmer"));
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ResultSet rset = db.runQuery("SELECT * FROM data WHERE Youtube<>''");
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try {
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int count = 0;
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while (rset.next()) {
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String city = rset.getString("city");
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System.out.println(city);
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count++;
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}
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System.out.println(count);
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} catch (SQLException sqle) {
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sqle.printStackTrace();
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}
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}
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}

‎FarmerMarket/src/main/java/com/luox6/FarmerMarket/HelloServlet.java

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package com.luox6.FarmerMarket;
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import java.io.*;
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import javax.servlet.http.*;
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import javax.servlet.annotation.*;
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@WebServlet(name = "helloServlet", value = "/hello-servlet")
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public class HelloServlet extends HttpServlet {
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private String message;
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public void init() {
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message = "Hello World!";
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}
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public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
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response.setContentType("text/html");
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// Hello
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PrintWriter out = response.getWriter();
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out.println("<html><body>");
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out.println("<h1>" + message + "</h1>");
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out.println("</body></html>");
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}
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public void destroy() {
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}
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}

‎FarmerMarket/src/main/webapp/WEB-INF/web.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
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version="4.0">
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</web-app>

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