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/*
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 * Licensed to the Apache Software Foundation (ASF) under one
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 * or more contributor license agreements.  See the NOTICE file
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 * distributed with this work for additional information
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 * regarding copyright ownership.  The ASF licenses this file
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 * to you under the Apache License, Version 2.0 (the
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 * "License"); you may not use this file except in compliance
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 * with the License.  You may obtain a copy of the License at
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 *
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing,
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 * software distributed under the License is distributed on an
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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 * KIND, either express or implied.  See the License for the
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 * specific language governing permissions and limitations
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 * under the License.
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 */
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package org.apache.sshd.git.util;
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import java.io.File;
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import java.net.ServerSocket;
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import java.net.URISyntaxException;
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import java.net.URL;
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import org.apache.sshd.common.keyprovider.FileKeyPairProvider;
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public class Utils {
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    public static FileKeyPairProvider createTestHostKeyProvider() {
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        return createTestKeyPairProvider("hostkey.pem");
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    }
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    public static FileKeyPairProvider createTestKeyPairProvider(String resource) {
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        return new FileKeyPairProvider(new String[] { getFile(resource) });
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    }
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    public static int getFreePort() throws Exception {
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        ServerSocket s = new ServerSocket(0);
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        try {
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            return s.getLocalPort();
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        } finally {
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            s.close();
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        }
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    }
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    private static String getFile(String resource) {
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        URL url = Utils.class.getClassLoader().getResource(resource);
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        File f;
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        try {
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            f = new File(url.toURI());
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        } catch(URISyntaxException e) {
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            f = new File(url.getPath());
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        }
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        return f.toString();
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    }
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    public static void deleteRecursive(File file) {
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        if (file != null) {
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            if (file.isDirectory()) {
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                File[] children = file.listFiles();
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                if (children != null) {
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                    for (File child : children) {
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                        deleteRecursive(child);
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                    }
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                }
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            }
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            file.delete();
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        }
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    }
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}