init

java/org/apache/jasper/servlet/TldPreScanned.java

@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jasper.servlet;
+
+import java.net.URL;
+import java.util.Collection;
+
+import javax.servlet.ServletContext;
+
+import org.apache.tomcat.util.descriptor.tld.TldResourcePath;
+
+public class TldPreScanned extends TldScanner {
+
+    private final Collection<URL> preScannedURLs;
+
+    public TldPreScanned (ServletContext context, boolean namespaceAware, boolean validation,
+            boolean blockExternal, Collection<URL> preScannedTlds) {
+        super(context, namespaceAware, validation, blockExternal);
+        preScannedURLs = preScannedTlds;
+    }
+
+    @Override
+    public void scanJars() {
+        for (URL url : preScannedURLs){
+            String str = url.toExternalForm();
+            int a = str.indexOf("jar:");
+            int b = str.indexOf("!/");
+            if (a >= 0 && b> 0) {
+                String fileUrl = str.substring(a + 4, b);
+                String path = str.substring(b + 2);
+                try {
+                    parseTld(new TldResourcePath(new URL(fileUrl), null, path));
+                } catch (Exception e) {
+                    throw new IllegalStateException(e);
+                }
+            } else {
+                throw new IllegalStateException("Bad tld url: "+str);
+            }
+        }
+    }
+}