View webapp structure is ready

view-webapp/src/main/config/web.xml

@@ -17,6 +17,16 @@
     <filter-class>com.republicate.slf4j.impl.IPTagFilter</filter-class>
     <async-supported>true</async-supported>
   </filter>
+  <filter>
+    <filter-name>dispatching-filter</filter-name>
+    <filter-class>org.jeudego.pairgoth.web.DispatchingFilter</filter-class>
+    <async-supported>true</async-supported>
+  </filter>
+  <filter>
+    <filter-name>language-filter</filter-name>
+    <filter-class>org.jeudego.pairgoth.web.LanguageFilter</filter-class>
+    <async-supported>true</async-supported>
+  </filter>
 
   <!-- filters mapping -->
   <filter-mapping>
@@ -25,6 +35,18 @@
     <dispatcher>REQUEST</dispatcher>
     <dispatcher>FORWARD</dispatcher>
   </filter-mapping>
+  <filter-mapping>
+    <filter-name>dispatching-filter</filter-name>
+    <url-pattern>/*</url-pattern>
+    <dispatcher>REQUEST</dispatcher>
+    <dispatcher>FORWARD</dispatcher>
+  </filter-mapping>
+  <filter-mapping>
+    <filter-name>language-filter</filter-name>
+    <url-pattern>/*</url-pattern>
+    <dispatcher>REQUEST</dispatcher>
+    <dispatcher>FORWARD</dispatcher>
+  </filter-mapping>
 
   <!-- servlets -->
   <servlet>

view-webapp/src/main/kotlin/org/jeudego/pairgoth/view/IntlTool.kt

@@ -2,10 +2,9 @@ package org.jeudego.pairgoth.view
 
 import org.apache.velocity.tools.config.ValidScope
 import org.jeudego.pairgoth.util.Translator
-import javax.servlet.http.HttpServletRequest
 
 @ValidScope("request")
-class TranslationTool {
+class IntlTool {
 
     fun translate(enText: String): String {
         return translator.get().translate(enText)

view-webapp/src/main/kotlin/org/jeudego/pairgoth/view/TranslateDirective.kt

@@ -1,10 +1,8 @@
-package org.jeudego.pairgoth.util
+package org.jeudego.pairgoth.view
 
 import org.apache.velocity.Template
-import org.apache.velocity.exception.ResourceNotFoundException
 import org.apache.velocity.runtime.directive.Parse
-import org.jeudego.pairgoth.view.TranslationTool
-import org.jeudego.pairgoth.web.LanguageFilter
+import org.jeudego.pairgoth.view.IntlTool
 
 class TranslateDirective : Parse() {
     override fun getName(): String {
@@ -13,7 +11,7 @@ class TranslateDirective : Parse() {
 
     override fun getTemplate(path: String, encoding: String): Template? {
         val template = super.getTemplate(path, encoding)
-        val translator = TranslationTool.translator.get()
+        val translator = IntlTool.translator.get()
             ?: throw RuntimeException("no current active translator")
         return translator.translate(path, template)
     }

view-webapp/src/main/kotlin/org/jeudego/pairgoth/web/DispatchingFilter.kt

@@ -1,4 +1,4 @@
-package org.jeudego.egc2024.web
+package org.jeudego.pairgoth.web
 
 import org.slf4j.LoggerFactory
 import javax.servlet.Filter

view-webapp/src/main/kotlin/org/jeudego/pairgoth/web/LanguageFilter.kt

@@ -2,9 +2,8 @@ package org.jeudego.pairgoth.web
 
 import org.jeudego.pairgoth.util.Translator
 import org.jeudego.pairgoth.util.Translator.Companion.defaultLanguage
-import org.jeudego.pairgoth.util.Translator.Companion.getTranslator
 import org.jeudego.pairgoth.util.Translator.Companion.providedLanguages
-import org.jeudego.pairgoth.view.TranslationTool
+import org.jeudego.pairgoth.view.IntlTool
 import javax.servlet.Filter
 import javax.servlet.FilterChain
 import javax.servlet.FilterConfig
@@ -24,22 +23,27 @@ class LanguageFilter : Filter {
         val request = req as HttpServletRequest
         val response = resp as HttpServletResponse
 
-        val uri = request.requestURI
-        val match = langPattern.matchEntire(uri)
-        val lang = match?.groupValues?.get(1)
-        val target = match?.groupValues?.get(2) ?: uri
-
-        if (lang != null && providedLanguages.contains(lang)) {
-            // the target URI contains a language we provide
-            request.setAttribute("lang", lang)
-            request.setAttribute("target", target)
-            TranslationTool.translator.set(Translator.getTranslator(lang))
+        val reqLang = request.getAttribute("lang") as String?
+        if (reqLang != null) {
+            IntlTool.translator.set(Translator.getTranslator(reqLang))
             chain.doFilter(request, response)
         } else {
-            // the request must be redirected
-            val preferredLanguage = getPreferredLanguage(request)
-            val destination = if (lang != null) target else uri
-            response.sendRedirect("${preferredLanguage}${destination}")
+            val uri = request.requestURI
+            val match = langPattern.matchEntire(uri)
+            val lang = match?.groupValues?.get(1)
+            val target = match?.groupValues?.get(2) ?: uri
+
+            if (lang != null && providedLanguages.contains(lang)) {
+                // the target URI contains a language we provide
+                request.setAttribute("lang", lang)
+                request.setAttribute("target", target)
+                filterConfig!!.servletContext.getRequestDispatcher(target).forward(request, response)
+            } else {
+                // the request must be redirected
+                val preferredLanguage = getPreferredLanguage(request)
+                val destination = if (lang != null) target else uri
+                response.sendRedirect("${preferredLanguage}${destination}")
+            }
         }
     }
 

view-webapp/src/main/kotlin/org/jeudego/pairgoth/web/ViewServlet.kt

@@ -1,23 +1,14 @@
 package org.jeudego.pairgoth.web
 
-import org.apache.commons.lang3.tuple.Pair
 import org.apache.velocity.Template
 import org.apache.velocity.context.Context
+import org.apache.velocity.exception.ResourceNotFoundException
 import org.apache.velocity.tools.view.ServletUtils
 import org.apache.velocity.tools.view.VelocityViewServlet
-import org.jeudego.pairgoth.util.Translator
-import org.jeudego.pairgoth.web.WebappManager
 import java.io.File
-import java.io.IOException
-import java.io.InputStreamReader
-import java.io.Serializable
 import java.io.UnsupportedEncodingException
 import java.net.URLDecoder
-import java.nio.charset.StandardCharsets
-import java.text.DateFormat
 import java.util.*
-import java.util.function.Function
-import java.util.stream.Collectors
 import javax.servlet.http.HttpServletRequest
 import javax.servlet.http.HttpServletResponse
 
@@ -87,6 +78,23 @@ class ViewServlet : VelocityViewServlet() {
         }
     }
 
+    override fun manageResourceNotFound(
+        request: HttpServletRequest?,
+        response: HttpServletResponse?,
+        e: ResourceNotFoundException?
+    ) {
+        val path = ServletUtils.getPath(request)
+        log.debug("Resource not found for path '{}'", path, e)
+        val message = e!!.message
+        if (!response!!.isCommitted && message != null) {
+            response.sendError(HttpServletResponse.SC_NOT_FOUND, path)
+        } else {
+            error(request, response, e)
+            throw e
+        }
+
+    }
+
     companion object {
         private const val STANDARD_LAYOUT = "/WEB-INF/layouts/standard.html"
     }