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Posted to commits@struts.apache.org by lu...@apache.org on 2017/06/01 11:36:04 UTC
svn commit: r1013271 [13/25] - in /websites/production/struts/content: ./
core-developers/ core-developers/attachments/ getting-started/ security/
Added: websites/production/struts/content/core-developers/key-property-annotation.html
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--- websites/production/struts/content/core-developers/key-property-annotation.html (added)
+++ websites/production/struts/content/core-developers/key-property-annotation.html Thu Jun 1 11:35:58 2017
@@ -0,0 +1,204 @@
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+
+
+<article class="container">
+ <section class="col-md-12">
+ <a href="index.html" title="back to Core Developers Guide"><< back to Core Developers Guide</a>
+ <h1 id="keyproperty-annotation">KeyProperty Annotation</h1>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=description|javadoc=true|url=com.opensymphony.xwork2.util.KeyProperty</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<p>#####Usage#####</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=usage|javadoc=true|url=com.opensymphony.xwork2.util.KeyProperty</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<p>#####Parameters#####</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=parameters|javadoc=true|url=com.opensymphony.xwork2.util.KeyProperty</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<p>#####Examples#####</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=example|javadoc=true|lang=java|url=com.opensymphony.xwork2.util.KeyProperty</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
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Added: websites/production/struts/content/core-developers/localization.html
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--- websites/production/struts/content/core-developers/localization.html (added)
+++ websites/production/struts/content/core-developers/localization.html Thu Jun 1 11:35:58 2017
@@ -0,0 +1,486 @@
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+
+ <title>Localization</title>
+
+ <link href="//fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,600,700,400italic,600italic,700italic" rel="stylesheet" type="text/css">
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+<article class="container">
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+ <a href="index.html" title="back to Core Developers Guide"><< back to Core Developers Guide</a>
+ <h1 id="localization">Localization</h1>
+
+<p>####Overview####</p>
+
+<p>The framework supports internationalization (i18n) in the following places:</p>
+
+<ol>
+ <li>
+ <p>the <em>UI Tags</em></p>
+ </li>
+ <li>
+ <p>Messages and Errors from the <a href="http://struts.apache.org/2.0.6/struts2-core/apidocs/index.html?com/opensymphony/xwork2/ValidationAware.html">ValidationAware</a>^[http://struts.apache.org/2.0.6/struts2-core/apidocs/index.html?com/opensymphony/xwork2/ValidationAware.html] interface (implemented by <a href="http://struts.apache.org/2.0.6/struts2-core/apidocs/index.html?com/opensymphony/xwork2/ActionSupport.html">ActionSupport</a>^[http://struts.apache.org/2.0.6/struts2-core/apidocs/index.html?com/opensymphony/xwork2/ActionSupport.html] and <a href="http://struts.apache.org/2.0.6/struts2-core/apidocs/index.html?com/opensymphony/xwork2/ValidationAwareSupport.html">ValidationAwareSupport</a>^[http://struts.apache.org/2.0.6/struts2-core/apidocs/index.html?com/opensymphony/xwork2/ValidationAwareSupport.html])</p>
+ </li>
+ <li>
+ <p>Within action classes that extend <a href="http://struts.apache.org/2.0.6/struts2-core/apidocs/index.html?com/opensymphony/xwork2/ActionSupport.html">ActionSupport</a>^[http://struts.apache.org/2.0.6/struts2-core/apidocs/index.html?com/opensymphony/xwork2/ActionSupport.html] through the getText() method</p>
+ </li>
+</ol>
+
+<p>####Resource Bundle Search Order####</p>
+
+<p>Resource bundles are searched in the following order:</p>
+
+<ol>
+ <li></li>
+</ol>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>ActionClass
+</code></pre>
+</div>
+<p>.properties</p>
+
+<ol>
+ <li></li>
+</ol>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>Interface
+</code></pre>
+</div>
+<p>.properties (every interface and sub-interface)</p>
+
+<ol>
+ <li></li>
+</ol>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>BaseClass
+</code></pre>
+</div>
+<p>.properties (all the way to Object.properties)</p>
+
+<ol>
+ <li>
+ <p>ModelDrivenâs model (if implements ModelDriven), for the model object repeat from 1</p>
+ </li>
+ <li>
+ <p>package.properties (of the directory where class is located and every parent directory all the way to the root directory)</p>
+ </li>
+ <li>
+ <p>search up the i18n message key hierarchy itself</p>
+ </li>
+ <li>
+ <p>global resource properties</p>
+ </li>
+</ol>
+
+<p>This is how it is implemented in a default implementation of the </p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>LocalizedTextProvider
+</code></pre>
+</div>
+<p>Â interface. You can provide your own implementation using</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>TextProvider
+</code></pre>
+</div>
+<p>Â and</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>TextProviderFactory
+</code></pre>
+</div>
+<p>Â interfaces.</p>
+
+<table>
+ <tbody>
+ <tr>
+ <td>To clarify #5, while traversing the package hierarchy, Struts 2 will look for a file package.properties:</td>
+ </tr>
+ </tbody>
+</table>
+
+<p>| com/
+ acme/
+ package.properties
+ actions/
+ package.properties
+ FooAction.java
+ FooAction.properties</p>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ <td>If FooAction.properties does not exist, com/acme/action/package.properties will be searched for, if not found com/acme/package.properties, if not found com/package.properties, etc.</td>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<p>#####Default actionâs class#####</p>
+
+<p>If you configure action as follow</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><action name="index">
+ <result>/index.jsp</result>
+</action>
+</code></pre>
+</div>
+
+<p>it will use a default class defined with </p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>default-class-ref
+</code></pre>
+</div>
+<p> in </p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>struts-default.xml
+</code></pre>
+</div>
+<p>which is </p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>com.opensymphony.xwork2.ActionSupport
+</code></pre>
+</div>
+<p>. It means you have two options here to get I18N working in that case:</p>
+
+<ul>
+ <li>define </li>
+</ul>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>com/opensymphony/xwork2/ActionSupport.properties
+</code></pre>
+</div>
+<p>and put messages there</p>
+
+<ul>
+ <li>point </li>
+</ul>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>default-class-ref
+</code></pre>
+</div>
+<p>to your base class and then defined appropriated</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>.properties
+</code></pre>
+</div>
+<p>Â file (corresponding to classâ name or package)</p>
+
+<p>Examples</p>
+
+<p>There are several ways to access the message resources, including</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>getText
+</code></pre>
+</div>
+<p>, the</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>text
+</code></pre>
+</div>
+<p>tag, and the</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>i18n
+</code></pre>
+</div>
+<p>tag.</p>
+
+<p>#####Using getText from a Tag#####</p>
+
+<p>To display i18n text, use a call to</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>getText
+</code></pre>
+</div>
+<p>in the <em>property</em> tag, or any other tag, such as the UI tags. (The</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>getText
+</code></pre>
+</div>
+<p>technique is especially useful for labels of UI tags.)</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=i18nExample|javadoc=true|lang=xml|url=org.apache.struts2.components.Property</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<p>The default implementation of TextProvider which is used in ActionSupport perform evaluation of value read from bundle base on the provided key, see <em>Localizing Output</em> for an example.</p>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<p>#####Using the text tag#####</p>
+
+<p>The <em>text</em> tag retrieves a message from the default resource bundle.</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=i18nExample|javadoc=true|lang=xml|url=org.apache.struts2.components.Text</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<p>#####Using the I18n tag#####</p>
+
+<p>The <em>i18n</em> tag pushes an arbitrary resource bundle on to the value stack. Other tags within the scope of the i18n tag can display messages from that resource bundle.</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=i18nExample|javadoc=true|lang=xml|url=org.apache.struts2.components.I18n</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<p>Internationalizing SiteMesh decorators is possible, but there are quirks. See <em>SiteMesh Plugin</em> for more.</p>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<p>#####Using the Key attribute of UI Tags#####</p>
+
+<p>The key attribute of most UI tags can be used to retrieve a message from a resource bundle:</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><s:textfield key="some.key" name="textfieldName"/>
+</code></pre>
+</div>
+
+<p>####I18n Interceptor####</p>
+
+<p>Essentially, the i18n Interceptor pushes a locale into the ActionContext map upon every request. The framework components that support localization all utilize the ActionContext locale. See <a href="i18n-interceptor.html">I18n Interceptor</a> for details.</p>
+
+<p>####Global Resources (struts.custom.i18n.resources) in struts.properties####</p>
+
+<p>A global resource bundle could be specified programmatically, as well as the locale.</p>
+
+<p>####Formatting Dates and Numbers####</p>
+
+<p>See <a href="formatting-dates-and-numbers.html">Formatting Dates and Numbers</a> for more details and examples.</p>
+
+<p>####Comparison with Struts 1####</p>
+
+<p>Struts 1 users should be familiar with the application.properties resource bundle, where you can put all the messages in the application that are going to be translated. Struts 2, though, splits the resource bundles per action or model class, and you may end up with duplicated messages in those resource bundles. A quick fix for that is to create a file called ActionSupport.properties in com/opensymphony/xwork2 and put it on your classpath. This will only work well if all your actions subclass XWork2âs ActionSupport.</p>
+
+<p>####Using only global bundles####</p>
+
+<p>If you donât need to use the package-scan-functionality and only base on the global bundles (those provided by the framework and via </p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>struts.custom.i18n.resources
+</code></pre>
+</div>
+<p>) you can use existing </p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>GlobalLocalizedTextProvider
+</code></pre>
+</div>
+<p>implementation. To use this please define the following option in your </p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>struts.xml
+</code></pre>
+</div>
+<p>:</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><constant name="struts.localizedTextProvider" value="global-only" />
+</code></pre>
+</div>
+
+<p>####Custom TextProvider and TextProviderFactory####</p>
+
+<p>If you want use a different logic to search for localized messages, or you want to use a database or just want to search default bundles, you must implement both those interfaces (or subclass the existing implementations). You can check a small <a href="https://github\.com/apache/struts\-examples/tree/master/text\-provider">example app</a>^[https://github.com/apache/struts-examples/tree/master/text-provider] how to use both. Please remember that the </p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>TextProvider
+</code></pre>
+</div>
+<p>interface is implemented by the </p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>ActioSupport
+</code></pre>
+</div>
+<p>class, thatâs why an extra layer -Â </p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>TextProviderFactory
+</code></pre>
+</div>
+<p>- is needed.</p>
+
+ </section>
+</article>
+
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Added: websites/production/struts/content/core-developers/logger-interceptor.html
==============================================================================
--- websites/production/struts/content/core-developers/logger-interceptor.html (added)
+++ websites/production/struts/content/core-developers/logger-interceptor.html Thu Jun 1 11:35:58 2017
@@ -0,0 +1,204 @@
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+
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+<article class="container">
+ <section class="col-md-12">
+ <a href="index.html" title="back to Core Developers Guide"><< back to Core Developers Guide</a>
+ <h1 id="logger-interceptor">Logger Interceptor</h1>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=description|javadoc=true|url=com.opensymphony.xwork2.interceptor.LoggingInterceptor</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<p>#####Parameters#####</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=parameters|javadoc=true|url=com.opensymphony.xwork2.interceptor.LoggingInterceptor</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<p>#####Extending the Interceptor#####</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=extending|javadoc=true|url=com.opensymphony.xwork2.interceptor.LoggingInterceptor</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<p>#####Examples#####</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=example|lang=xml|javadoc=true|url=com.opensymphony.xwork2.interceptor.LoggingInterceptor</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+ </section>
+</article>
+
+
+<footer class="container">
+ <div class="col-md-12">
+ Copyright © 2000-2016 <a href="http://www.apache.org/">The Apache Software Foundation </a>.
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+ Apache Struts, Struts, Apache, the Apache feather logo, and the Apache Struts project logos are
+ trademarks of The Apache Software Foundation.
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Added: websites/production/struts/content/core-developers/logging.html
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--- websites/production/struts/content/core-developers/logging.html (added)
+++ websites/production/struts/content/core-developers/logging.html Thu Jun 1 11:35:58 2017
@@ -0,0 +1,317 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="UTF-8"/>
+ <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
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+ <meta http-equiv="Content-Language" content="en"/>
+ <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+
+ <title>Logging</title>
+
+ <link href="//fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,600,700,400italic,600italic,700italic" rel="stylesheet" type="text/css">
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+<article class="container">
+ <section class="col-md-12">
+ <a href="index.html" title="back to Core Developers Guide"><< back to Core Developers Guide</a>
+ <h1 id="logging">Logging</h1>
+
+<p>#####Logging support#####</p>
+
+<p>XWork provides its own layer to support logging - it allows to use many different implementations.</p>
+
+<p>Currently XWork provides support for the following libraries (in that order base on classpath discovery):</p>
+
+<ul>
+ <li>
+ <p>Commons Logging</p>
+ </li>
+ <li>
+ <p><a href="http://www\.slf4j\.org/">SLF4J</a>^[http://www.slf4j.org/]</p>
+ </li>
+ <li>
+ <p><a href="http://logging\.apache\.org/log4j/2\.x/">Log4j2</a>^[http://logging.apache.org/log4j/2.x/]</p>
+ </li>
+ <li>
+ <p>JDK Logger</p>
+ </li>
+</ul>
+
+<p><strong>Usage</strong></p>
+
+<p>To use given type of library add it as a Maven dependency or drop into WEB-INF/lib folder. XWork LoggerFactory class will use given logging provider if available.</p>
+
+<p>To add logging to your application simply declare a Logger as follow:</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>import com.opensymphony.xwork2.util.logging.Logger;
+import com.opensymphony.xwork2.util.logging.LoggerFactory;
+
+public class MyAction {
+
+ private static final Logger LOG = LoggerFactory.getLogger(MyAction.class);
+
+ private String userName;
+
+ public String execute() {
+ LOG.debug("MyAction executed with UserName [#0]", userName);
+ return "success";
+ }
+
+ // getter / setter
+
+}
+
+</code></pre>
+</div>
+
+<p><strong>Implementing my own factory</strong></p>
+
+<p>You plug in your own logging solution, simple extend LoggerFactory class and provide a delegate which implements Logger interface, like below:</p>
+
+<p><strong>JdkLoggerFactory which adds support for JDK logging</strong></p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>import com.opensymphony.xwork2.util.logging.Logger;
+import com.opensymphony.xwork2.util.logging.LoggerFactory;
+
+/**
+ * Creates jdk loggers
+ */
+public class JdkLoggerFactory extends LoggerFactory {
+
+ @Override
+ protected Logger getLoggerImpl(Class<?> cls) {
+ return new JdkLogger(java.util.logging.Logger.getLogger(cls.getName()));
+ }
+
+ @Override
+ protected Logger getLoggerImpl(String name) {
+ return new JdkLogger(java.util.logging.Logger.getLogger(name));
+ }
+}
+
+</code></pre>
+</div>
+
+<p><strong>JdkLogger is a wrapper around java.util.logging.Logger and implements Logger interface</strong></p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>import com.opensymphony.xwork2.util.logging.Logger;
+import com.opensymphony.xwork2.util.logging.LoggerUtils;
+
+import java.util.logging.Level;
+
+/**
+ * Delegates to jdk logger. Maps fatal to Level.SEVERE along with error.
+ */
+public class JdkLogger implements Logger {
+
+ private java.util.logging.Logger log;
+
+ public JdkLogger(java.util.logging.Logger log) {
+ this.log = log;
+ }
+
+ public void error(String msg, String... args) {
+ log.log(Level.SEVERE, LoggerUtils.format(msg, args));
+ }
+
+ public void error(String msg, Throwable ex, String... args) {
+ log.log(Level.SEVERE, LoggerUtils.format(msg, args), ex);
+ }
+
+ ...
+}
+
+</code></pre>
+</div>
+
+<p>Check <a href="http://struts\.apache\.org/2\.x/xwork\-core/apidocs/com/opensymphony/xwork2/util/logging/package\-summary\.html">the source code</a>^[http://struts.apache.org/2.x/xwork-core/apidocs/com/opensymphony/xwork2/util/logging/package-summary.html] to see more details.</p>
+
+<p><strong>Defining which factory to use</strong></p>
+
+<p>Now you must tell XWork/Struts2 to use your implementation, just define system property like below:</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>-Dxwork.loggerFactory=com.demo.MyLoggerFactory
+</code></pre>
+</div>
+
+<p>you can use the same to explicit tell the framework which implementation to use and donât depend on class discovery, eg.:</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>-Dxwork.loggerFactory=com.opensymphony.xwork2.util.logging.slf4j.Slf4jLoggerFactory
+</code></pre>
+</div>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>or
+</code></pre>
+</div>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>-Dxwork.loggerFactory=com.opensymphony.xwork2.util.logging.log4j2.Log4j2LoggerFactory
+</code></pre>
+</div>
+
+<p>will enable Slf4j or Log4j2 even if there is commons-logging on classpath available (commons-logging is the first LoggerFactory to look for).</p>
+
+
+ </section>
+</article>
+
+
+<footer class="container">
+ <div class="col-md-12">
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+ All Rights Reserved.
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+ Apache Struts, Struts, Apache, the Apache feather logo, and the Apache Struts project logos are
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Added: websites/production/struts/content/core-developers/message-store-interceptor.html
==============================================================================
--- websites/production/struts/content/core-developers/message-store-interceptor.html (added)
+++ websites/production/struts/content/core-developers/message-store-interceptor.html Thu Jun 1 11:35:58 2017
@@ -0,0 +1,281 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="UTF-8"/>
+ <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
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+
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+ </nav>
+</header>
+
+
+<article class="container">
+ <section class="col-md-12">
+ <a href="index.html" title="back to Core Developers Guide"><< back to Core Developers Guide</a>
+ <h1 id="message-store-interceptor">Message Store Interceptor</h1>
+
+<p>An interceptor to store a <em>ValidationAware</em>  actionâs messages / errors and field errors into HTTP Session, such that it will be retrievable at a later stage. This allows the actionâs message / errors and field errors to be available longer that just the particular HTTP request.</p>
+
+<p>If no session exists, nothing will be stored and can be retrieved later. In other terms, the application is responsible to open the session.</p>
+
+<p>In the <strong>STORE</strong> mode, the interceptor will store the <em>ValidationAware</em>  actionâs message / errors and field errors into HTTP session.</p>
+
+<p>In the <strong>RETRIEVE</strong> mode, the interceptor will retrieve the stored actionâs message / errors and field errors and put them back into the <em>ValidationAware</em>  action.</p>
+
+<p>In the <strong>AUTOMATIC</strong> mode, the interceptor will always retrieve the stored actionâs message / errors and field errors and put them back into the [ValidationAware] action, and after Action execution, if the <em>Result</em>  is an instance of <em>ServletRedirectResult</em> , the actionâs message / errors and field errors into automatically be stored in the HTTP session..</p>
+
+<p>The interceptor does nothing in the <strong>NONE</strong>Â mode, which is the default.</p>
+
+<p>The operation mode could be switched using:</p>
+
+<ol>
+ <li>Setting the interceptor parameter eg.</li>
+</ol>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><action name="submitApplication" ...>
+ <interceptor-ref name="store"/>
+ <param name="operationMode">STORE</param>
+ </interceptor-ref>
+ <interceptor-ref name="defaultStack" />
+ ....
+</action>
+</code></pre>
+</div>
+
+<ol>
+ <li>Through request parameter</li>
+</ol>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>allowRequestParameterSwitch
+</code></pre>
+</div>
+<p>Â must be âtrueâ which is the default</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>the request will have the operation mode in 'STORE'
+http://localhost:8080/context/submitApplication.action?operationMode=STORE
+</code></pre>
+</div>
+
+<p>#####Parameters#####</p>
+
+<ul>
+ <li></li>
+</ul>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>allowRequestParameterSwitch
+</code></pre>
+</div>
+<p> - To enable request parameter that could switch the operation mode of this interceptor.</p>
+
+<ul>
+ <li></li>
+</ul>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>requestParameterSwitch
+</code></pre>
+</div>
+<p> - The request parameter that will indicate what mode this interceptor is in.</p>
+
+<ul>
+ <li></li>
+</ul>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>operationMode
+</code></pre>
+</div>
+<p> - The operation mode this interceptor should be in (either <strong>STORE</strong>, <strong>RETRIEVE</strong>, <strong>AUTOMATIC</strong>, or <strong>NONE</strong>). <strong>NONE </strong>being the default.</p>
+
+<p>#####Extending the Interceptor#####</p>
+
+<p>There is no known extensions.</p>
+
+<p>#####Examples#####</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><action name="submitApplication" ....>
+ <interceptor-ref name="store">
+ <param name="operationMode">STORE</param>
+ </interceptor-ref>
+ <interceptor-ref name="defaultStack" />
+ <result name="input" type="redirectAction">applicationFailed</result>
+ <result type="dispatcher">applicationSuccess.jsp</result>
+</action>
+
+<action name="applicationFailed" ....>
+ <interceptor-ref name="store">
+ <param name="operationMode">RETRIEVE</param>
+ </interceptor-ref>
+ <result>applicationFailed.jsp</result>
+</action>
+</code></pre>
+</div>
+
+<p>With the example above, <strong>submitApplication.action</strong> will have the action messages / errors / field errors stored in the HTTP Session. Later when needed, (in this case, when <strong>applicationFailed.action</strong> is fired, it will get the action messages / errors / field errors stored in the HTTP Session and put them back into the action.</p>
+
+<p>Â </p>
+
+ </section>
+</article>
+
+
+<footer class="container">
+ <div class="col-md-12">
+ Copyright © 2000-2016 <a href="http://www.apache.org/">The Apache Software Foundation </a>.
+ All Rights Reserved.
+ </div>
+ <div class="col-md-12">
+ Apache Struts, Struts, Apache, the Apache feather logo, and the Apache Struts project logos are
+ trademarks of The Apache Software Foundation.
+ </div>
+ <div class="col-md-12">Logo and website design donated by <a href="https://softwaremill.com/">SoftwareMill</a>.</div>
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+</html>
Added: websites/production/struts/content/core-developers/model-driven-interceptor.html
==============================================================================
--- websites/production/struts/content/core-developers/model-driven-interceptor.html (added)
+++ websites/production/struts/content/core-developers/model-driven-interceptor.html Thu Jun 1 11:35:58 2017
@@ -0,0 +1,307 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="UTF-8"/>
+ <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
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+ <meta http-equiv="Content-Language" content="en"/>
+ <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+
+ <title>Model Driven Interceptor</title>
+
+ <link href="//fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,600,700,400italic,600italic,700italic" rel="stylesheet" type="text/css">
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+</head>
+<body>
+
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+<article class="container">
+ <section class="col-md-12">
+ <a href="index.html" title="back to Core Developers Guide"><< back to Core Developers Guide</a>
+ <h1 id="model-driven-interceptor">Model Driven Interceptor</h1>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=description|javadoc=true|url=com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<table>
+ <tbody>
+ <tr>
+ <td>To create a Model Driven action, implement the ModelDriven interface by adding a model property, or at least the accessor.</td>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ <td>public Object getModel() ...</td>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ <td>In the implementation of getModel, acquire an instance of a business object and return it.</td>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ <td>On the page, you can address any JavaBean properties on the business object as if they were coded directly on the Action class. (The framework pushes the Model object onto the ValueStack.)</td>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ <td>Many developers use Spring to acquire the business object. With the addition of a setModel method, the business logic can be injected automatically.</td>
+ </tr>
+ </tbody>
+</table>
+
+<table>
+ <tbody>
+ <tr>
+ </tr>
+ </tbody>
+</table>
+
+<p>#####Parameters#####</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=parameters|javadoc=true|url=com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<p>#####Extending the Interceptor#####</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=extending|javadoc=true|url=com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+<p>#####Examples#####</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><span class="p">{</span><span class="err">snippet:id=example|lang=xml|javadoc=true|url=com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor</span><span class="p">}</span><span class="w">
+</span></code></pre>
+</div>
+
+ </section>
+</article>
+
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Added: websites/production/struts/content/core-developers/model-driven.html
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--- websites/production/struts/content/core-developers/model-driven.html (added)
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+ <a href="index.html" title="back to Core Developers Guide"><< back to Core Developers Guide</a>
+ <h1 id="model-driven">Model Driven</h1>
+
+<p>Struts 2 does not have âformsâ like Struts 1 did. In Struts 2 request parameters are bound directly to fields in the actions class, and this class is placed on top of the stack when the action is executed.</p>
+
+<p>If an action class implements the interface</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>com.opensymphony.xwork2.ModelDriven
+</code></pre>
+</div>
+<p>then it needs to return an object from the</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>getModel()
+</code></pre>
+</div>
+<p>method. Struts will then populate the fields of this object with the request parameters, and this object will be placed on top of the stack once the action is executed. Validation will also be performed on this model object, instead of the action. Please read about <a href="visitor-field-validator-annotation.html">VisitorFieldValidator Annotation</a> which can help you validate modelâs fields.</p>
+
+<p>####Interceptor####</p>
+
+<p>To use</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>ModelDriven
+</code></pre>
+</div>
+<p>actions, make sure that the <a href="model-driven-interceptor.html">Model Driven Interceptor</a> is applied to your action. This interceptor is part of the default interceptor stack</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>defaultStack
+</code></pre>
+</div>
+<p>so it is applied to all actions by default.</p>
+
+<p>####Example####</p>
+
+<p>Action class:</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>public class ModelDrivenAction implements ModelDriven {
+ public String execute() throws Exception {
+ return SUCCESS;
+ }
+
+ public Object getModel() {
+ return new Gangster();
+ }
+}
+
+</code></pre>
+</div>
+
+<p>Gangster class (model):</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>public class Gangster implements Serializable {
+ private String name;
+ private int age;
+ private String description;
+ private boolean bustedBefore;
+
+ public int getAge() {
+ return age;
+ }
+ public void setAge(int age) {
+ this.age = age;
+ }
+ public boolean isBustedBefore() {
+ return bustedBefore;
+ }
+ public void setBustedBefore(boolean bustedBefore) {
+ this.bustedBefore = bustedBefore;
+ }
+ public String getDescription() {
+ return description;
+ }
+ public void setDescription(String description) {
+ this.description = description;
+ }
+ public String getName() {
+ return name;
+ }
+ public void setName(String name) {
+ this.name = name;
+ }
+}
+
+</code></pre>
+</div>
+
+<p>JSP for creating a Gangster:</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code><s:form action="modelDrivenResult" method="POST" namespace="/modelDriven">
+ <s:textfield label="Gangster Name" name="name" />
+ <s:textfield label="Gangster Age" name="age" />
+ <s:checkbox label="Gangster Busted Before" name="bustedBefore" />
+ <s:textarea cols="30" rows="5" label="Gangster Description" name="description" />
+ <s:submit />
+</s:form>
+
+</code></pre>
+</div>
+
+ </section>
+</article>
+
+
+<footer class="container">
+ <div class="col-md-12">
+ Copyright © 2000-2016 <a href="http://www.apache.org/">The Apache Software Foundation </a>.
+ All Rights Reserved.
+ </div>
+ <div class="col-md-12">
+ Apache Struts, Struts, Apache, the Apache feather logo, and the Apache Struts project logos are
+ trademarks of The Apache Software Foundation.
+ </div>
+ <div class="col-md-12">Logo and website design donated by <a href="https://softwaremill.com/">SoftwareMill</a>.</div>
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