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Merged
KevinGilmore merged 12 commits into from
Jul 10, 2018
Merged

Context and Servlet Initialization Parameters #4656

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dc161c8
Initial Commit
Jul 7, 2018
bf89ed2
Add source files
Jul 7, 2018
d53bde8
Add readme.md
Jul 7, 2018
05ddf28
Add web.xml
Jul 7, 2018
559cfeb
Merge branch 'master' into contextinitparams
Jul 7, 2018
7a2baee
Update pom.xml
Jul 7, 2018
7ed5719
Update pom.xml
Jul 7, 2018
e95667e
Update pom.xml
Jul 7, 2018
1ac81fb
Update pom.xml
Jul 7, 2018
1429b0e
Remove project folder
Jul 9, 2018
712a6d0
Merge branch 'contextinitparams' of https://github.com/alejandrogerva…
Jul 9, 2018
6ee13b3
Update pom.xml
Jul 9, 2018
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56 changes: 0 additions & 56 deletions javax-servlet-init-params/pom.xml
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14 changes: 0 additions & 14 deletions javax-servlet-init-params/src/main/webapp/WEB-INF/web.xml
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183 changes: 104 additions & 79 deletions javax-servlets/pom.xml
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@@ -1,79 +1,104 @@
<?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>
<artifactId>javax-servlets</artifactId>
<version>1.0-SNAPSHOT</version>

<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>

<dependencies>
<!-- File Uploading -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.3</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.6</version>
</dependency>

<!-- Servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>jstl-api</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.1</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>

<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>${org.apache.httpcomponents.version}</version>
<scope>test</scope>
<exclusions>
<exclusion>
<artifactId>commons-logging</artifactId>
<groupId>commons-logging</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>${gson.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring-test.version}</version>
<scope>test</scope>
</dependency>
</dependencies>

<properties>
<org.apache.httpcomponents.version>4.5.3</org.apache.httpcomponents.version>
<spring-test.version>5.0.5.RELEASE</spring-test.version>
<gson.version>2.8.2</gson.version>
</properties>
</project>
<?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.baeldung.javax-servlets</groupId>
<artifactId>javax-servlets</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>3.9.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-core</artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>2.18.3</version>
<scope>test</scope>
</dependency>

<!-- File Uploading -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.3</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.6</version>
</dependency>

<!-- Servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>jstl-api</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.1</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>

<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>${org.apache.httpcomponents.version}</version>
<scope>test</scope>
<exclusions>
<exclusion>
<artifactId>commons-logging</artifactId>
<groupId>commons-logging</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>${gson.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring-test.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<properties>
<javax.servlet.version>3.1.0</javax.servlet.version>
<org.apache.httpcomponents.version>4.5.3</org.apache.httpcomponents.version>
<spring-test.version>5.0.5.RELEASE</spring-test.version>
<gson.version>2.8.2</gson.version>
</properties>
</project>
96 changes: 48 additions & 48 deletions ...va/com/baeldung/servlets/UserServlet.java → ...va/com/baeldung/servlets/UserServlet.java
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@@ -1,49 +1,49 @@
package com.baeldung.servlets;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet(name = "UserServlet", urlPatterns = {"/userServlet"}, initParams={
@WebInitParam(name="name", value="Not provided"),
@WebInitParam(name="email", value="Not provided")})
public class UserServlet extends HttpServlet {

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
}

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
forwardRequest(request, response, "/WEB-INF/jsp/result.jsp");
}

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setAttribute("name", getRequestParameter(request, "name"));
request.setAttribute("email", getRequestParameter(request, "email"));
request.setAttribute("province", getContextParameter("province"));
request.setAttribute("country", getContextParameter("country"));
}

protected String getRequestParameter(HttpServletRequest request, String name) {
String param = request.getParameter(name);
return !param.isEmpty() ? param : getInitParameter(name);
}

protected String getContextParameter(String name) {
return getServletContext().getInitParameter(name);
}

protected void forwardRequest(HttpServletRequest request, HttpServletResponse response, String path)
throws ServletException, IOException {
request.getRequestDispatcher(path).forward(request, response);
}
package com.baeldung.servlets;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet(name = "UserServlet", urlPatterns = {"/userServlet"}, initParams={
@WebInitParam(name="name", value="Not provided"),
@WebInitParam(name="email", value="Not provided")})
public class UserServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
forwardRequest(request, response, "/WEB-INF/jsp/result.jsp");
}
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setAttribute("name", getRequestParameter(request, "name"));
request.setAttribute("email", getRequestParameter(request, "email"));
request.setAttribute("province", getContextParameter("province"));
request.setAttribute("country", getContextParameter("country"));
}
protected String getRequestParameter(HttpServletRequest request, String name) {
String param = request.getParameter(name);
return !param.isEmpty() ? param : getInitParameter(name);
}
protected String getContextParameter(String name) {
return getServletContext().getInitParameter(name);
}
protected void forwardRequest(HttpServletRequest request, HttpServletResponse response, String path)
throws ServletException, IOException {
request.getRequestDispatcher(path).forward(request, response);
}
}
0 ...ms/src/main/webapp/WEB-INF/jsp/result.jsp → ...ts/src/main/webapp/WEB-INF/jsp/result.jsp
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10 changes: 9 additions & 1 deletion javax-servlets/src/main/webapp/WEB-INF/web.xml
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@@ -1,9 +1,17 @@
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">

<context-param>
<param-name>province</param-name>
<param-value>Mendoza</param-value>
</context-param>
<context-param>
<param-name>country</param-name>
<param-value>Argentina</param-value>
</context-param>
<error-page>
<error-code>404</error-code>
<location>/error-404.html</location> <!-- /src/main/webapp/error-404.html-->
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2 changes: 1 addition & 1 deletion ...let-init-params/src/main/webapp/index.jsp → javax-servlets/src/main/webapp/user.jsp
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Expand Up @@ -3,7 +3,7 @@
<!DOCTYPE html>
<html>
<head>
<title>Context and Initialization Servlet Parameters</title>
<title>Context and Servlet Initialization Parameters</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
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0 ...aeldung/servlets/FormServletLiveTest.java → ...om/baeldung/test/FormServletLiveTest.java
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