X-Git-Url: https://juplo.de/gitweb/?p=scannotation;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fscannotation%2FWarUrlFinder.java;fp=src%2Fmain%2Fjava%2Forg%2Fscannotation%2FWarUrlFinder.java;h=f253764afe4086324daa37a61b31892cdb253856;hp=0000000000000000000000000000000000000000;hb=36e6637926203201648e7892ec6ee1240807218e;hpb=58b6663aae5313b41167d92851981ca549cbb461

diff --git a/src/main/java/org/scannotation/WarUrlFinder.java b/src/main/java/org/scannotation/WarUrlFinder.java
new file mode 100644
index 0000000..f253764
--- /dev/null
+++ b/src/main/java/org/scannotation/WarUrlFinder.java
@@ -0,0 +1,74 @@
+package org.scannotation;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletContextEvent;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Set;
+
+/**
+ * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
+ * @version $Revision: 1 $
+ */
+public class WarUrlFinder
+{
+   public static URL[] findWebInfLibClasspaths(ServletContextEvent servletContextEvent)
+   {
+      ServletContext servletContext = servletContextEvent.getServletContext();
+      return findWebInfLibClasspaths(servletContext);
+   }
+
+   public static URL[] findWebInfLibClasspaths(ServletContext servletContext)
+   {
+      ArrayList<URL> list = new ArrayList<URL>();
+      Set libJars = servletContext.getResourcePaths("/WEB-INF/lib");
+      for (Object jar : libJars)
+      {
+         try
+         {
+            list.add(servletContext.getResource((String) jar));
+         }
+         catch (MalformedURLException e)
+         {
+            throw new RuntimeException(e);
+         }
+      }
+      return list.toArray(new URL[list.size()]);
+   }
+
+   public static URL findWebInfClassesPath(ServletContextEvent servletContextEvent)
+   {
+      ServletContext servletContext = servletContextEvent.getServletContext();
+      return findWebInfClassesPath(servletContext);
+   }
+
+   /**
+    * Find the URL pointing to "/WEB-INF/classes"  This method may not work in conjunction with IteratorFactory
+    * if your servlet container does not extract the /WEB-INF/classes into a real file-based directory
+    *
+    * @param servletContext
+    * @return
+    */
+   public static URL findWebInfClassesPath(ServletContext servletContext)
+   {
+      Set libJars = servletContext.getResourcePaths("/WEB-INF/classes");
+      for (Object jar : libJars)
+      {
+         try
+         {
+            URL url = servletContext.getResource((String) jar);
+            String urlString = url.toString();
+            int index = urlString.lastIndexOf("/WEB-INF/classes/");
+            urlString = urlString.substring(0, index + "/WEB-INF/classes/".length());
+            return new URL(urlString);
+         }
+         catch (MalformedURLException e)
+         {
+            throw new RuntimeException(e);
+         }
+      }
+      return null;
+
+   }
+}