Implements ApplicationContext which supports wildcards

2026-08-07 15:46:57 +00:00 · 2015-12-19 10:13:57 +01:00
parent db318c2116
commit f721d5490c
1 changed files with 75 additions and 0 deletions
@@ -0,0 +1,75 @@
+package org.apache.struts2.tiles;
+
+import com.opensymphony.xwork2.config.ConfigurationException;
+import com.opensymphony.xwork2.util.WildcardUtil;
+import com.opensymphony.xwork2.util.finder.ResourceFinder;
+import com.opensymphony.xwork2.util.logging.Logger;
+import com.opensymphony.xwork2.util.logging.LoggerFactory;
+import org.apache.tiles.servlet.context.ServletTilesApplicationContext;
+
+import javax.servlet.ServletContext;
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.regex.Pattern;
+
+public class StrutsWildcardServletTilesApplicationContext extends ServletTilesApplicationContext {
+
+    private static final Logger LOG = LoggerFactory.getLogger(StrutsWildcardServletTilesApplicationContext.class);
+
+    private ResourceFinder finder;
+
+    public StrutsWildcardServletTilesApplicationContext(ServletContext context) {
+        super(context);
+
+        Set<URL> urls = new HashSet<URL>();
+        for (Object path : context.getResourcePaths("/")) {
+            try {
+                URL url = new File(context.getRealPath(String.valueOf(path))).toURI().toURL();
+                urls.add(url);
+            } catch (MalformedURLException e) {
+                throw new ConfigurationException(e);
+            }
+        }
+
+        finder = new ResourceFinder(urls.toArray(new URL[urls.size()]));
+    }
+
+    public Set<URL> getResources(String path) throws IOException {
+        Set<URL> resources = new HashSet<URL>();
+
+        if (path.startsWith("/")) {
+            LOG.trace("Using ServletContext to load resource #0", path);
+            URL resource = getResource(path);
+            if (resource != null) {
+                resources.add(resource);
+            }
+        }
+        resources.addAll(findResources(path));
+
+        return resources;
+    }
+
+    protected Set<URL> findResources(String path) throws IOException {
+        Set<URL> resources = new HashSet<URL>();
+
+        LOG.trace("Using ResourceFinder to find matches for #0", path);
+
+        Pattern pattern = WildcardUtil.compileWildcardPattern(path);
+        Map<String, URL> matches = finder.getResourcesMap("");
+
+        for (String resource : matches.keySet()) {
+            if (pattern.matcher(resource).matches()) {
+                resources.add(matches.get(resource));
+            }
+        }
+
+        LOG.trace("Found resources #0 for path #1", resources, path);
+        return resources;
+    }
+
+}