Public: Start of a sample application showing GWT validation.
Review at http://gwt-code-reviews.appspot.com/760802
Review by: robertvawter@google.com
git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@8656 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/samples/build.xml b/samples/build.xml
index 6676020..ba36617 100644
--- a/samples/build.xml
+++ b/samples/build.xml
@@ -38,6 +38,10 @@
<gwt.ant dir="showcase" />
</target>
+ <target name="validation" description="Build validation">
+ <gwt.ant dir="validation" />
+ </target>
+
<target name="-do" description="Run all subprojects" >
<antcall target="dynatable" />
<antcall target="dynatablerf" />
@@ -47,6 +51,7 @@
<!-- <antcall target="logexample" /> Doesn't quite work yet -->
<antcall target="mail" />
<antcall target="showcase" />
+ <antcall target="validation" />
</target>
<target name="build" description="Builds GWT">
@@ -72,7 +77,7 @@
<param name="target" value="source" />
</antcall>
</target>
-
+
<target name="test" description="Test GWT">
<antcall target="-do">
<param name="target" value="test" />
diff --git a/samples/validation/build.xml b/samples/validation/build.xml
new file mode 100755
index 0000000..a537a27
--- /dev/null
+++ b/samples/validation/build.xml
@@ -0,0 +1,5 @@
+<project name="validation" default="build" basedir=".">
+ <property name="sample.root" value="validation" />
+ <property name="sample.module" value="Validation" />
+ <import file="../common.ant.xml" />
+</project>
diff --git a/samples/validation/src/com/google/gwt/sample/validation/COPYING b/samples/validation/src/com/google/gwt/sample/validation/COPYING
new file mode 100644
index 0000000..d9a10c0
--- /dev/null
+++ b/samples/validation/src/com/google/gwt/sample/validation/COPYING
@@ -0,0 +1,176 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+ "Legal Entity" shall mean the union of the acting entity and all
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+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
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+ including but not limited to software source code, documentation
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+ "Work" shall mean the work of authorship, whether in Source or
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+ any Contribution intentionally submitted for inclusion in the Work
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
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+ of your accepting any such warranty or additional liability.
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+ END OF TERMS AND CONDITIONS
diff --git a/samples/validation/src/com/google/gwt/sample/validation/Validation.gwt.xml b/samples/validation/src/com/google/gwt/sample/validation/Validation.gwt.xml
new file mode 100644
index 0000000..120c92d
--- /dev/null
+++ b/samples/validation/src/com/google/gwt/sample/validation/Validation.gwt.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright 2010 Google Inc. -->
+<!-- Licensed under the Apache License, Version 2.0 (the "License"); you -->
+<!-- may not use this file except in compliance with the License. You may -->
+<!-- may obtain a copy of the License at -->
+<!-- -->
+<!-- http://www.apache.org/licenses/LICENSE-2.0 -->
+<!-- -->
+<!-- Unless required by applicable law or agreed to in writing, software -->
+<!-- distributed under the License is distributed on an "AS IS" BASIS, -->
+<!-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or -->
+<!-- implied. License for the specific language governing permissions and -->
+<!-- limitations under the License. -->
+
+<module rename-to='validation'>
+ <inherits name='com.google.gwt.rpc.RPC'/>
+ <inherits name='com.google.gwt.user.User'/>
+ <inherits name='com.google.gwt.user.theme.standard.Standard'/>
+
+ <entry-point class='com.google.gwt.sample.validation.client.Validation'/>
+
+ <source path='client'/>
+ <source path='shared'/>
+</module>
diff --git a/samples/validation/src/com/google/gwt/sample/validation/client/GreetingService.java b/samples/validation/src/com/google/gwt/sample/validation/client/GreetingService.java
new file mode 100644
index 0000000..41f61f4
--- /dev/null
+++ b/samples/validation/src/com/google/gwt/sample/validation/client/GreetingService.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.gwt.sample.validation.client;
+
+import com.google.gwt.rpc.client.RpcService;
+import com.google.gwt.sample.validation.shared.Person;
+import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;
+
+/**
+ * The client side stub for the RPC service.
+ */
+@RemoteServiceRelativePath("greet")
+public interface GreetingService extends RpcService {
+ String greetServer(Person name) throws IllegalArgumentException;
+}
diff --git a/samples/validation/src/com/google/gwt/sample/validation/client/GreetingServiceAsync.java b/samples/validation/src/com/google/gwt/sample/validation/client/GreetingServiceAsync.java
new file mode 100644
index 0000000..cbc3b97
--- /dev/null
+++ b/samples/validation/src/com/google/gwt/sample/validation/client/GreetingServiceAsync.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.gwt.sample.validation.client;
+
+import com.google.gwt.sample.validation.shared.Person;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+
+/**
+ * The async counterpart of <code>GreetingService</code>.
+ */
+public interface GreetingServiceAsync {
+ void greetServer(Person person, AsyncCallback<String> callback)
+ throws IllegalArgumentException;
+}
diff --git a/samples/validation/src/com/google/gwt/sample/validation/client/Validation.java b/samples/validation/src/com/google/gwt/sample/validation/client/Validation.java
new file mode 100644
index 0000000..6a33243
--- /dev/null
+++ b/samples/validation/src/com/google/gwt/sample/validation/client/Validation.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.gwt.sample.validation.client;
+
+import com.google.gwt.core.client.EntryPoint;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.sample.validation.shared.Person;
+import com.google.gwt.user.client.ui.RootPanel;
+
+/**
+ * Entry point classes define <code>onModuleLoad()</code>.
+ */
+public class Validation implements EntryPoint {
+
+ /**
+ * Create a remote service proxy to talk to the server-side Greeting service.
+ */
+ private final GreetingServiceAsync greetingService = GWT.create(GreetingService.class);
+
+
+ /**
+ * This is the entry point method.
+ */
+ public void onModuleLoad() {
+
+ Person person = new Person();
+ ValidationView view = new ValidationView(person, greetingService);
+ RootPanel.get("view").add(view);
+ }
+}
diff --git a/samples/validation/src/com/google/gwt/sample/validation/client/ValidationView.java b/samples/validation/src/com/google/gwt/sample/validation/client/ValidationView.java
new file mode 100644
index 0000000..37635e0
--- /dev/null
+++ b/samples/validation/src/com/google/gwt/sample/validation/client/ValidationView.java
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.gwt.sample.validation.client;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.KeyCodes;
+import com.google.gwt.event.dom.client.KeyUpEvent;
+import com.google.gwt.resources.client.CssResource;
+import com.google.gwt.sample.validation.shared.Person;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.uibinder.client.UiHandler;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.ui.Button;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.DialogBox;
+import com.google.gwt.user.client.ui.HTML;
+import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.TextBox;
+import com.google.gwt.user.client.ui.Widget;
+
+/**
+ * Display the Validation sample.
+ */
+public class ValidationView extends Composite {
+ interface MyStyle extends CssResource {
+ String error();
+ }
+
+ interface ValidationViewUiBinder extends UiBinder<Widget, ValidationView> {
+ }
+
+ /**
+ * The message displayed to the user when the server cannot be reached or
+ * returns an error.
+ */
+ private static final String SERVER_ERROR = "An error occurred while "
+ + "attempting to contact the server. Please check your network "
+ + "connection and try again.";
+
+ private static ValidationViewUiBinder uiBinder = GWT.create(ValidationViewUiBinder.class);
+
+ @UiField
+ Button closeButton;
+
+ @UiField
+ DialogBox dialogBox;
+
+ @UiField
+ Label errorLabel;
+
+ @UiField
+ TextBox nameField;
+
+ @UiField
+ Button sendButton;
+
+ @UiField
+ HTML serverResponse;
+
+ @UiField
+ MyStyle style;
+
+ @UiField
+ Label textToServer;
+
+ private final GreetingServiceAsync greetingService;
+
+ private final Person person;
+
+ public ValidationView(Person person, GreetingServiceAsync greetingService) {
+
+ this.person = person;
+
+ this.greetingService = greetingService;
+ initWidget(uiBinder.createAndBindUi(this));
+
+ nameField.setText(person.getName());
+ }
+
+ @UiHandler("closeButton")
+ public void doClick(ClickEvent e) {
+ dialogBox.hide();
+ sendButton.setEnabled(true);
+ sendButton.setFocus(true);
+ }
+
+ @UiHandler("sendButton")
+ void onClick(ClickEvent e) {
+ sendPersonToServer();
+ }
+
+ @UiHandler("sendButton")
+ void onKeyPress(KeyUpEvent e) {
+ if (e.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
+ sendPersonToServer();
+ }
+ }
+
+ /**
+ * Send the person from the nameField to the server and wait for a response.
+ */
+ private void sendPersonToServer() {
+ errorLabel.setText("");
+ person.setName(nameField.getText());
+
+ // TODO(nchalko) validate.
+
+ sendButton.setEnabled(false);
+ textToServer.setText(person.getName());
+ serverResponse.setText("");
+ greetingService.greetServer(person, new AsyncCallback<String>() {
+ public void onFailure(Throwable caught) {
+ // Show the RPC error message to the user
+ dialogBox.setText("Remote Procedure Call - Failure");
+ serverResponse.addStyleName(style.error());
+ serverResponse.setHTML(SERVER_ERROR);
+ dialogBox.center();
+ closeButton.setFocus(true);
+ }
+
+ public void onSuccess(String result) {
+ dialogBox.setText("Remote Procedure Call");
+ serverResponse.removeStyleName(style.error());
+ serverResponse.setHTML(result);
+ dialogBox.center();
+ closeButton.setFocus(true);
+ }
+ });
+ }
+}
diff --git a/samples/validation/src/com/google/gwt/sample/validation/client/ValidationView.ui.xml b/samples/validation/src/com/google/gwt/sample/validation/client/ValidationView.ui.xml
new file mode 100644
index 0000000..dc7c5a6
--- /dev/null
+++ b/samples/validation/src/com/google/gwt/sample/validation/client/ValidationView.ui.xml
@@ -0,0 +1,52 @@
+<!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent">
+<ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder"
+ xmlns:g="urn:import:com.google.gwt.user.client.ui">
+ <ui:style type ="com.google.gwt.sample.validation.client.ValidationView.MyStyle">
+ @external .gwt-DialogBox;
+ .gwt-DialogBox {
+ width: 400px;
+ }
+ .panel {
+ align: center;
+ }
+ .send {
+ display: block;
+ font-size: 16pt;
+ }
+ .error {
+ color: red;
+ }
+ .dialogPanel {
+ margin: 5px;
+ }
+ .close {
+ margin: 15px 6px 6px;
+ }
+ </ui:style>
+ <g:VerticalPanel styleName="{style.panel}">
+ <g:FlowPanel>
+ <g:Label>Please enter your name:</g:Label>
+ <g:TextBox ui:field="nameField">GWT User</g:TextBox>
+ </g:FlowPanel>
+ <g:Button styleName="{style.send}" ui:field="sendButton">Send</g:Button>
+ <g:Label styleName="{style.error}" ui:field="errorLabel" />
+ <g:DialogBox ui:field="dialogBox"
+ animationEnabled="true"
+ text="Remote Procedure Call"
+ visible="false"
+ width="400">
+ <g:VerticalPanel styleName="dialogPanel">
+ <g:HTML>
+ <b>Sending name to the server:</b>
+ </g:HTML>
+ <g:Label ui:field="textToServer" />
+ <g:HTML>
+ <br />
+ <b>Server replies:</b>
+ </g:HTML>
+ <g:HTML ui:field="serverResponse" />
+ <g:Button styleName="{style.close}" ui:field="closeButton">Close</g:Button>
+ </g:VerticalPanel>
+ </g:DialogBox>
+ </g:VerticalPanel>
+</ui:UiBinder>
\ No newline at end of file
diff --git a/samples/validation/src/com/google/gwt/sample/validation/server/GreetingServiceImpl.java b/samples/validation/src/com/google/gwt/sample/validation/server/GreetingServiceImpl.java
new file mode 100644
index 0000000..00a2bd8
--- /dev/null
+++ b/samples/validation/src/com/google/gwt/sample/validation/server/GreetingServiceImpl.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.gwt.sample.validation.server;
+
+import com.google.gwt.rpc.server.RpcServlet;
+import com.google.gwt.sample.validation.client.GreetingService;
+import com.google.gwt.sample.validation.shared.Person;
+
+/**
+ * The server side implementation of the RPC service.
+ */
+@SuppressWarnings("serial")
+public class GreetingServiceImpl extends RpcServlet implements
+ GreetingService {
+
+ public String greetServer(Person person) throws IllegalArgumentException {
+ // Verify that the input is valid.
+
+ // TODO(nchalko) validate
+
+ String serverInfo = getServletContext().getServerInfo();
+ String userAgent = getThreadLocalRequest().getHeader("User-Agent");
+
+ // Escape data from the client to avoid cross-site script vulnerabilities.
+ String value = escapeHtml(person.getName());
+ userAgent = escapeHtml(userAgent);
+
+ return "Hello, " + value + "!<br><br>I am running " + serverInfo
+ + ".<br><br>It looks like you are using:<br>" + userAgent;
+ }
+
+ /**
+ * Escape an html string. Escaping data received from the client helps to
+ * prevent cross-site script vulnerabilities.
+ *
+ * @param html the html string to escape
+ * @return the escaped string
+ */
+ private String escapeHtml(String html) {
+ // TODO(nchalko) use SafeHtml after it's integrated.
+ if (html == null) {
+ return null;
+ }
+ return html.replaceAll("&", "&").replaceAll("<", "<").replaceAll(
+ ">", ">");
+ }
+}
diff --git a/samples/validation/src/com/google/gwt/sample/validation/shared/Person.java b/samples/validation/src/com/google/gwt/sample/validation/shared/Person.java
new file mode 100644
index 0000000..27d196b
--- /dev/null
+++ b/samples/validation/src/com/google/gwt/sample/validation/shared/Person.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.gwt.sample.validation.shared;
+
+import com.google.gwt.user.client.rpc.IsSerializable;
+
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+
+/**
+ * A sample bean to show validation on.
+ */
+public class Person implements IsSerializable {
+
+ @NotNull
+ @Size(min = 4)
+ private String name;
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+}
diff --git a/samples/validation/war/Validation.css b/samples/validation/war/Validation.css
new file mode 100644
index 0000000..ebf683e
--- /dev/null
+++ b/samples/validation/war/Validation.css
@@ -0,0 +1,15 @@
+/** Add css rules here for your application. */
+
+
+/** Example rules used by the template application (remove for your app) */
+h1 {
+ font-size: 2em;
+ font-weight: bold;
+ color: #777777;
+ margin: 40px 0px 70px;
+ text-align: center;
+}
+
+.serverResponseLabelError {
+ color: red;
+}
diff --git a/samples/validation/war/Validation.html b/samples/validation/war/Validation.html
new file mode 100644
index 0000000..32654de
--- /dev/null
+++ b/samples/validation/war/Validation.html
@@ -0,0 +1,58 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<!-- -->
+<!-- Copyright 2010 Google Inc. -->
+<!-- Licensed under the Apache License, Version 2.0 (the "License"); you -->
+<!-- may not use this file except in compliance with the License. You may -->
+<!-- may obtain a copy of the License at -->
+<!-- -->
+<!-- http://www.apache.org/licenses/LICENSE-2.0 -->
+<!-- -->
+<!-- Unless required by applicable law or agreed to in writing, software -->
+<!-- distributed under the License is distributed on an "AS IS" BASIS, -->
+<!-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or -->
+<!-- implied. License for the specific language governing permissions and -->
+<!-- limitations under the License. -->
+<html>
+ <head>
+ <meta http-equiv="content-type" content="text/html; charset=UTF-8">
+
+ <!-- -->
+ <!-- Consider inlining CSS to reduce the number of requested files -->
+ <!-- -->
+ <link type="text/css" rel="stylesheet" href="Validation.css">
+
+ <!-- -->
+ <!-- Any title is fine -->
+ <!-- -->
+ <title>javax.validation Starter Project</title>
+
+ <!-- -->
+ <!-- This script loads your compiled module. -->
+ <!-- If you add any GWT meta tags, they must -->
+ <!-- be added before this line. -->
+ <!-- -->
+ <script type="text/javascript" language="javascript" src="validation/validation.nocache.js"></script>
+ </head>
+
+ <!-- -->
+ <!-- The body can have arbitrary html, or -->
+ <!-- you can leave the body empty if you want -->
+ <!-- to create a completely dynamic UI. -->
+ <!-- -->
+ <body>
+
+ <!-- OPTIONAL: include this if you want history support -->
+ <iframe src="javascript:''" id="__gwt_historyFrame" tabIndex='-1' style="position:absolute;width:0;height:0;border:0"></iframe>
+
+ <!-- RECOMMENDED if your web app will not function without JavaScript enabled -->
+ <noscript>
+ <div style="width: 22em; position: absolute; left: 50%; margin-left: -11em; color: red; background-color: white; border: 1px solid red; padding: 4px; font-family: sans-serif">
+ Your web browser must have JavaScript enabled
+ in order for this application to display correctly.
+ </div>
+ </noscript>
+
+ <h1>javax.validation Starter Project</h1>
+ <div id="view" />
+ </body>
+</html>
diff --git a/samples/validation/war/WEB-INF/web.xml b/samples/validation/war/WEB-INF/web.xml
new file mode 100644
index 0000000..9f79f03
--- /dev/null
+++ b/samples/validation/war/WEB-INF/web.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app>
+
+ <!-- Servlets -->
+ <servlet>
+ <servlet-name>greetServlet</servlet-name>
+ <servlet-class>com.google.gwt.sample.validation.server.GreetingServiceImpl</servlet-class>
+ </servlet>
+
+ <servlet-mapping>
+ <servlet-name>greetServlet</servlet-name>
+ <url-pattern>/validation/greet</url-pattern>
+ </servlet-mapping>
+
+ <!-- Default page to serve -->
+ <welcome-file-list>
+ <welcome-file>Validation.html</welcome-file>
+ </welcome-file-list>
+
+</web-app>
diff --git a/samples/validation/war/favicon.ico b/samples/validation/war/favicon.ico
new file mode 100644
index 0000000..25c8d88
--- /dev/null
+++ b/samples/validation/war/favicon.ico
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