Allow to override servlet init parameters with context parameters

git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@1247 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4

4 files changed, 21 insertions, 8 deletions

diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/MoccaParameterBean.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/MoccaParameterBean.java
index 0e2e4b02..4bba6947 100644
--- a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/MoccaParameterBean.java
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/MoccaParameterBean.java
@@ -36,6 +36,8 @@ import java.util.Arrays;
 import java.util.Locale;
 import java.util.regex.Pattern;
 
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletContext;
 import javax.servlet.http.HttpServletResponse;
 
 import org.apache.commons.configuration.Configuration;
@@ -47,8 +49,8 @@ import at.gv.egiz.bku.utils.StreamUtil;
 
 public class MoccaParameterBean {
 
-  private final Logger log = LoggerFactory.getLogger(MoccaParameterBean.class);
-  
+  private static final Logger log = LoggerFactory.getLogger(MoccaParameterBean.class);
+
   public static final String PARAM_UI_PAGE_P = "appletPage";
 
   public static final String PARAM_APPLET_WIDTH = "appletWidth";
@@ -234,4 +236,15 @@ public class MoccaParameterBean {
       response.addHeader("P3P", P3P_POLICY);
     }
   }
+
+  public static String getInitParameter(String name, ServletConfig config,
+      ServletContext context) {
+    String initVal = config.getInitParameter(name);
+    String contextVal = context.getInitParameter(config.getServletName() + "." + name);
+    log.debug("Reading init param " + name + ": " + initVal +
+        " - context param " + (config.getServletName() + "." + name) + ": " + contextVal);
+    if (contextVal != null)
+      return contextVal;
+    return initVal;
+  }
 }
diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/ResultServlet.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/ResultServlet.java
index 9c531a3c..67253f24 100644
--- a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/ResultServlet.java
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/ResultServlet.java
@@ -63,12 +63,12 @@ public class ResultServlet extends HttpServlet {
 
   @Override
   public void init() throws ServletException {
-    String encoding = getServletConfig().getInitParameter("responseEncoding");
+    String encoding = MoccaParameterBean.getInitParameter("responseEncoding", getServletConfig(), getServletContext());
     if (encoding != null) {
       log.info("Init default responseEncoding to: {}.", encoding);
       responseEncoding = encoding;
     }
-    String url = getServletConfig().getInitParameter("expiredPageUrl");
+    String url = MoccaParameterBean.getInitParameter("expiredPageUrl", getServletConfig(), getServletContext());
     if (url != null) {
 //      try {
 //        expiredPageUrl = new URL(url).toString();
diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/UIServlet.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/UIServlet.java
index 1a1c30d0..0b344f9d 100644
--- a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/UIServlet.java
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/UIServlet.java
@@ -55,7 +55,7 @@ public class UIServlet extends HttpServlet {
 
   @Override
   public void init() throws ServletException {
-    String url = getServletConfig().getInitParameter("expiredPageUrl");
+    String url = MoccaParameterBean.getInitParameter("expiredPageUrl", getServletConfig(), getServletContext());
     if (url != null) {
 //      try {
 //        expiredPageUrl = new URL(url).toString();
@@ -99,7 +99,7 @@ public class UIServlet extends HttpServlet {
     MoccaParameterBean parameterBean = new MoccaParameterBean((HTTPBindingProcessor) bindingProcessor);
     req.setAttribute("moccaParam", parameterBean);
     
-    String uiPage = getServletConfig().getInitParameter("uiPage");
+    String uiPage = MoccaParameterBean.getInitParameter("uiPage", getServletConfig(), getServletContext());
     uiPage = parameterBean.getUIPage(uiPage);
     if (uiPage == null) {
       uiPage = "applet.jsp";
diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/WebRequestHandler.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/WebRequestHandler.java
index 6accc5a1..2912fb02 100644
--- a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/WebRequestHandler.java
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/WebRequestHandler.java
@@ -56,7 +56,7 @@ public class WebRequestHandler extends HttpServlet {
 
   @Override
   public void init() throws ServletException {
-    String url = getServletConfig().getInitParameter("uiRedirectUrl");
+    String url = MoccaParameterBean.getInitParameter("uiRedirectUrl", getServletConfig(), getServletContext());
     if (url != null) {
       uiRedirectUrl = url;
       log.info("Init uiRedirectUrl to: {}.", uiRedirectUrl);
@@ -99,7 +99,7 @@ public class WebRequestHandler extends HttpServlet {
     }
     
     // create new binding processor
-    String protocol = getServletConfig().getInitParameter("protocol");
+    String protocol = MoccaParameterBean.getInitParameter("protocol", getServletConfig(), getServletContext());
     if (protocol == null || protocol.isEmpty()) {
       protocol = req.getScheme();
     }