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

/*
 * 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;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;


public class WarURLConnection extends URLConnection {

    private final URLConnection innerJarUrlConnection;
    private boolean connected;

    protected WarURLConnection(URL url) throws IOException {
        super(url);
        URL innerJarUrl = new URL(url.getFile());
        innerJarUrlConnection = innerJarUrl.openConnection();
    }

    @Override
    public void connect() throws IOException {
        if (!connected) {
            innerJarUrlConnection.connect();
            connected = true;
        }
    }

    @Override
    public InputStream getInputStream() throws IOException {
        connect();
        return innerJarUrlConnection.getInputStream();
    }
}