Merge branch 'master' into bael-16656

2019-10-26 15:37:05 -06:00
parent db85c8f275
commit 0be2175c89
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+## Wicket
+
+This module contains articles about Wicket
+
+### Relevant Articles
+
+- [Introduction to the Wicket Framework](https://www.baeldung.com/intro-to-the-wicket-framework)
+
+### Execution
+
+From the same directory where pom.xml is, execute the following command to run the project:
+
+`mvn jetty:run`
@@ -0,0 +1,90 @@
+<?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/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung.wicket.examples</groupId>
+    <artifactId>wicket</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <name>wicket</name>
+    <packaging>war</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <!-- WICKET DEPENDENCIES -->
+        <dependency>
+            <groupId>org.apache.wicket</groupId>
+            <artifactId>wicket-core</artifactId>
+            <version>${wicket.version}</version>
+        </dependency>
+
+        <!-- JETTY DEPENDENCIES FOR TESTING -->
+        <dependency>
+            <groupId>org.eclipse.jetty.aggregate</groupId>
+            <artifactId>jetty-all</artifactId>
+            <version>${jetty9.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+    
+    <build>
+        <resources>
+            <resource>
+                <filtering>false</filtering>
+                <directory>src/main/resources</directory>
+            </resource>
+            <resource>
+                <filtering>false</filtering>
+                <directory>src/main/java</directory>
+                <includes>
+                    <include>**</include>
+                </includes>
+                <excludes>
+                    <exclude>**/*.java</exclude>
+                </excludes>
+            </resource>
+        </resources>
+        <testResources>
+            <testResource>
+                <filtering>false</filtering>
+                <directory>src/test/resources</directory>
+            </testResource>
+            <testResource>
+                <filtering>false</filtering>
+                <directory>src/test/java</directory>
+                <includes>
+                    <include>**</include>
+                </includes>
+                <excludes>
+                    <exclude>**/*.java</exclude>
+                </excludes>
+            </testResource>
+        </testResources>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>${maven-war-plugin.version}</version>
+                <configuration>
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.eclipse.jetty</groupId>
+                <artifactId>jetty-maven-plugin</artifactId>
+                <version>${jetty9.version}</version>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <wicket.version>7.5.0</wicket.version>
+        <jetty9.version>9.2.13.v20150730</jetty9.version>
+        <maven-war-plugin.version>2.6</maven-war-plugin.version>
+    </properties>
+
+</project>
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<html xmlns:wicket="http://wicket.apache.org">
+<head>
+<meta charset="utf-8" />
+<title>Wicket Intro Examples</title>
+<style type="text/css" media="screen">
+<!--
+body {
+    margin: 0px
+}
+
+#horizon {
+    text-align: center;
+    position: absolute;
+    top: 50%;
+    left: 0px;
+    width: 100%;
+    height: 1px;
+    overflow: visible;
+    visibility: visible;
+    display: block
+}
+
+#content {
+    font-family: Verdana, Geneva, Arial, sans-serif;
+    margin-left: -250px;
+    position: absolute;
+    top: -35px;
+    left: 50%;
+    width: 500px;
+    height: 70px;
+    visibility: visible
+}
+-->
+</style>
+</head>
+<body>
+    <div id="horizon">
+        <div id="content">
+            <div>
+                <h3>Wicket Introduction Examples:</h3>
+                <wicket:link>
+                    <a href="helloworld/HelloWorld.html">Hello World!</a>
+                    <br />
+                    <br />
+                    <a href="cafeaddress/CafeAddress.html">Cafes</a>
+                </wicket:link>
+            </div>
+        </div>
+    </div>
+</body>
+</html>
@@ -0,0 +1,9 @@
+package com.baeldung.wicket.examples;
+
+import org.apache.wicket.markup.html.WebPage;
+
+public class HelloWorld extends WebPage {
+
+    private static final long serialVersionUID = 1L;
+
+}
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+package com.baeldung.wicket.examples;
+
+import org.apache.wicket.markup.html.WebPage;
+import org.apache.wicket.protocol.http.WebApplication;
+
+import com.baeldung.wicket.examples.cafeaddress.CafeAddress;
+
+public class HelloWorldApplication extends WebApplication {
+    /**
+     * @see org.apache.wicket.Application#getHomePage()
+     */
+    @Override
+    public Class<? extends WebPage> getHomePage() {
+        return HelloWorld.class;
+    }
+
+    /**
+     * @see org.apache.wicket.Application#init()
+     */
+    @Override
+    public void init() {
+        super.init();
+        mountPage("/examples/helloworld", HelloWorld.class);
+        mountPage("/examples/cafes", CafeAddress.class);
+    }
+}
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+<!DOCTYPE html>
+<html xmlns:wicket="http://wicket.apache.org">
+<head>
+<meta charset="utf-8" />
+<title>Cafes</title>
+</head>
+<body>
+    <div style="width: 800px; margin: 0 auto;">
+        <select wicket:id="cafes"></select>
+        <p>
+            Address: <span wicket:id="address">address</span>
+        </p>
+    </div>
+</body>
+</html>
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+package com.baeldung.wicket.examples.cafeaddress;
+
+import org.apache.wicket.ajax.AjaxRequestTarget;
+import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior;
+import org.apache.wicket.markup.html.WebPage;
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.form.DropDownChoice;
+import org.apache.wicket.model.PropertyModel;
+import org.apache.wicket.request.mapper.parameter.PageParameters;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+public class CafeAddress extends WebPage {
+    private String selectedCafe;
+    private Address address;
+    private Map<String, Address> cafeNamesAndAddresses = new HashMap<>();
+
+    public CafeAddress(final PageParameters parameters) {
+        super(parameters);
+        initCafes();
+
+        ArrayList<String> cafeNames = new ArrayList<>(cafeNamesAndAddresses.keySet());
+        selectedCafe = cafeNames.get(0);
+        address = new Address(cafeNamesAndAddresses.get(selectedCafe).getAddress());
+
+        final Label addressLabel = new Label("address", new PropertyModel<String>(this.address, "address"));
+        addressLabel.setOutputMarkupId(true);
+
+        final DropDownChoice<String> cafeDropdown = new DropDownChoice<>("cafes", new PropertyModel<>(this, "selectedCafe"), cafeNames);
+        cafeDropdown.add(new AjaxFormComponentUpdatingBehavior("onchange") {
+            @Override
+            protected void onUpdate(AjaxRequestTarget target) {
+                String name = (String) cafeDropdown.getDefaultModel().getObject();
+                address.setAddress(cafeNamesAndAddresses.get(name).getAddress());
+                target.add(addressLabel);
+            }
+        });
+
+        add(addressLabel);
+        add(cafeDropdown);
+
+    }
+
+    private void initCafes() {
+        this.cafeNamesAndAddresses.put("Linda's Cafe", new Address("35 Bower St."));
+        this.cafeNamesAndAddresses.put("Old Tree", new Address("2 Edgware Rd."));
+    }
+
+    class Address implements Serializable {
+        private String sAddress = "";
+
+        public Address(String address) {
+            this.sAddress = address;
+        }
+
+        String getAddress() {
+            return this.sAddress;
+        }
+
+        void setAddress(String address) {
+            this.sAddress = address;
+        }
+    }
+}
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+<html>
+    <body>
+        <span wicket:id="hello"></span>
+    </body>
+</html>
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+package com.baeldung.wicket.examples.helloworld;
+
+import org.apache.wicket.markup.html.WebPage;
+import org.apache.wicket.markup.html.basic.Label;
+
+public class HelloWorld extends WebPage {
+    public HelloWorld() {
+        add(new Label("hello", "Hello World!"));
+    }
+}
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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>
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+package com.baeldung.wicket.examples;
+
+import org.apache.wicket.util.tester.WicketTester;
+import org.junit.Before;
+import org.junit.Test;
+
+public class HomePageIntegrationTest {
+    private WicketTester tester;
+
+    @Before
+    public void setUp() {
+        tester = new WicketTester(new HelloWorldApplication());
+    }
+
+    @Test
+    public void whenPageInvoked_thanRenderedOK() {
+        //start and render the test page
+        tester.startPage(HelloWorld.class);
+
+        //assert rendered page class
+        tester.assertRenderedPage(HelloWorld.class);
+    }
+}
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+<?xml version="1.0" encoding="ISO-8859-1"?>
+<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://www.oracle.com/webfolder/technetwork/jsc/xml/ns/javaee/web-app_3_0.xsd"
+         version="3.0">
+
+    <display-name>CafeAddress</display-name>
+
+    <!--
+        There are three means to configure Wickets configuration mode and they
+        are tested in the order given.
+
+        1) A system property: -Dwicket.configuration
+        2) servlet specific <init-param>
+        3) context specific <context-param>
+
+        The value might be either "development" (reloading when templates change) or
+        "deployment". If no configuration is found, "development" is the default. -->
+
+    <filter>
+        <filter-name>wicket.examples</filter-name>
+        <filter-class>org.apache.wicket.protocol.http.WicketFilter</filter-class>
+        <init-param>
+            <param-name>applicationClassName</param-name>
+            <param-value>com.baeldung.wicket.examples.HelloWorldApplication</param-value>
+        </init-param>
+    </filter>
+
+    <filter-mapping>
+        <filter-name>wicket.examples</filter-name>
+        <url-pattern>/*</url-pattern>
+    </filter-mapping>
+</web-app>