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lukaszlenartlukaszlenart
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Merge pull request #522 from apache/struts-parameter
Defines a new struts-parameter example app to show how @StrutsParameter works
2 parents 9293ef3 + bf344d6 commit a87f2f8

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‎pom.xml‎

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<module>rest-angular</module>
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<module>shiro-basic</module>
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<module>spring-struts</module>
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<module>struts-parameter</module>
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<module>text-provider</module>
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<module>tiles</module>
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<module>themes</module>

‎struts-parameter/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" 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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<parent>
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<artifactId>struts-examples</artifactId>
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<groupId>org.apache.struts</groupId>
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<version>2.0.0</version>
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</parent>
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<artifactId>struts-parameter</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>war</packaging>
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<name>struts-parameter</name>
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<description>A simple application demonstrating how to use @StrutsParameter annotation</description>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>17</maven.compiler.source>
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<maven.compiler.target>17</maven.compiler.target>
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</properties>
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<dependencies/>
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<build>
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<finalName>annotations</finalName>
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<plugins>
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<plugin>
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<groupId>org.eclipse.jetty</groupId>
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<artifactId>jetty-maven-plugin</artifactId>
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<version>${jetty-plugin.version}</version>
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<configuration>
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<webApp>
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<contextPath>/${project.artifactId}</contextPath>
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</webApp>
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<stopKey>CTRL+C</stopKey>
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<stopPort>8999</stopPort>
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<scan>10</scan>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>

‎struts-parameter/src/main/java/org/apache/struts/examples/parameter/Admin.java‎

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package org.apache.struts.examples.parameter;
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public class Admin {
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private String username;
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public Admin() {
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}
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public Admin(String username) {
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this.username = username;
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}
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public String getUsername() {
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return username;
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}
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public void setUsername(String username) {
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this.username = username;
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}
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@Override
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public String toString() {
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return "Admin{" +
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"username='" + username + '\'' +
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'}';
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}
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}

‎struts-parameter/src/main/java/org/apache/struts/examples/parameter/IndexAction.java‎

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.apache.struts.examples.parameter;
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import org.apache.struts2.ActionSupport;
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import org.apache.struts2.interceptor.parameter.StrutsParameter;
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import java.util.ArrayList;
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import java.util.List;
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public class IndexAction extends ActionSupport {
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private final List<User> users = new ArrayList<>();
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private Admin admin;
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public String execute() throws Exception {
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if (users.isEmpty()) {
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users.add(new User(1, "Luk"));
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users.add(new User(2, "Jan"));
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}
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if (admin == null) {
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admin = new Admin("Michal");
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}
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return SUCCESS;
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}
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@StrutsParameter(depth = 2)
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public List<User> getUsers() {
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return users;
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}
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@StrutsParameter(depth = 2)
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public Admin getAdminUser() {
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return admin;
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}
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@StrutsParameter(depth = 2)
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public void setAdminUser(Admin admin) {
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this.admin = admin;
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}
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}

‎struts-parameter/src/main/java/org/apache/struts/examples/parameter/User.java‎

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package org.apache.struts.examples.parameter;
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public class User {
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private int id;
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private String name;
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public User() {
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}
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public User(int id, String name) {
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this.id = id;
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this.name = name;
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}
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public int getId() {
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return id;
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}
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public void setId(int id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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@Override
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public String toString() {
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return "User{" +
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"id=" + id +
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", name='" + name + '\'' +
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'}';
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}
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}

‎struts-parameter/src/main/resources/log4j2.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<Configuration>
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<Appenders>
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<Console name="STDOUT" target="SYSTEM_OUT">
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<PatternLayout pattern="%d %-5p [%t] %C{2} (%F:%L) - %m%n"/>
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</Console>
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</Appenders>
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<Loggers>
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<Logger name="org.apache.struts2.conversion" level="debug"/>
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<Logger name="org.apache.struts.examples.parameter" level="debug"/>
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<Root level="warn">
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<AppenderRef ref="STDOUT"/>
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</Root>
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</Loggers>
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</Configuration>

‎struts-parameter/src/main/resources/struts.xml‎

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<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE struts PUBLIC
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"-//Apache Software Foundation//DTD Struts Configuration 6.0//EN"
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"http://struts.apache.org/dtds/struts-6.0.dtd">
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<struts>
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<constant name="struts.devMode" value="true"/>
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<constant name="struts.allowlist.packageNames" value="org.apache.struts.examples.parameter"/>
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<package name="default" namespace="/" extends="struts-default">
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<default-action-ref name="index"/>
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<action name="index" class="org.apache.struts.examples.parameter.IndexAction">
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<result name="success">/WEB-INF/examples/index.jsp</result>
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</action>
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</package>
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<!-- Add addition packages and configuration here. -->
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</struts>

‎struts-parameter/src/main/webapp/WEB-INF/examples/index.jsp‎

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<%@ page contentType="text/html; charset=UTF-8" %>
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<%@ taglib prefix="s" uri="/struts-tags" %>
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<html>
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<head>
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<title>Home</title>
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</head>
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<body>
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<s:form action="index" method="POST">
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<s:iterator value="users" status="status">
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<s:hidden name="users[%{#status.index}].id"/>
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<s:textfield name="users[%{#status.index}].name" label="User %{users[#status.index].id}" id="user_%{users[#status.index].id}"/>
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</s:iterator>
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<s:textfield name="adminUser.username" label="Admin"/>
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<s:submit/>
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</s:form>
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</body>
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</html>

‎struts-parameter/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
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http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
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version="3.1">
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<filter>
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<filter-name>struts2</filter-name>
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<filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>
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</filter>
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<filter-mapping>
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<filter-name>struts2</filter-name>
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<url-pattern>/*</url-pattern>
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</filter-mapping>
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<welcome-file-list>
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<welcome-file>index.jsp</welcome-file>
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</welcome-file-list>
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</web-app>

‎struts-parameter/src/main/webapp/index.jsp‎

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<% response.sendRedirect("index"); %>

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