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java/org/apache/catalina/webresources/war/WarURLConnection.java

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+/*
+ * 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.catalina.webresources.war;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.URLConnection;
+import java.security.Permission;
+
+import org.apache.tomcat.util.buf.UriUtil;
+
+
+public class WarURLConnection extends URLConnection {
+
+    private final URLConnection wrappedJarUrlConnection;
+    private boolean connected;
+
+    protected WarURLConnection(URL url) throws IOException {
+        super(url);
+        URL innerJarUrl = UriUtil.warToJar(url);
+        wrappedJarUrlConnection = innerJarUrl.openConnection();
+    }
+
+
+    @Override
+    public void connect() throws IOException {
+        if (!connected) {
+            wrappedJarUrlConnection.connect();
+            connected = true;
+        }
+    }
+
+
+    @Override
+    public InputStream getInputStream() throws IOException {
+        connect();
+        return wrappedJarUrlConnection.getInputStream();
+    }
+
+
+    @Override
+    public Permission getPermission() throws IOException {
+        return wrappedJarUrlConnection.getPermission();
+    }
+
+
+    @Override
+    public long getLastModified() {
+        return wrappedJarUrlConnection.getLastModified();
+    }
+
+
+    @Override
+    public int getContentLength() {
+        return wrappedJarUrlConnection.getContentLength();
+    }
+
+
+    @Override
+    public long getContentLengthLong() {
+        return wrappedJarUrlConnection.getContentLengthLong();
+    }
+
+}