Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *  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.
 */

import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;

import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;

import java.security.cert.TrustAnchor;

import java.security.cert.X509Certificate;

import java.util.HashSet;

import java.util.Set;

public class Main {
    private static final String certType = "X.509";
    private static final String ENCODED_X509_CERTIFICATE = "-----BEGIN CERTIFICATE-----\n"
            + "MIIDHTCCAtsCBEFT72swCwYHKoZIzjgEAwUAMHQxCzAJBgNVBAYTAlJVMQwwCgYDVQQIEwNOU08x\n"
            + "FDASBgNVBAcTC05vdm9zaWJpcnNrMQ4wDAYDVQQKEwVJbnRlbDEVMBMGA1UECxMMRFJMIFNlY3Vy\n"
            + "aXR5MRowGAYDVQQDExFWbGFkaW1pciBNb2xvdGtvdjAeFw0wNDA5MjQwOTU2NTlaFw0wNjA1MTcw\n"
            + "OTU2NTlaMHQxCzAJBgNVBAYTAlJVMQwwCgYDVQQIEwNOU08xFDASBgNVBAcTC05vdm9zaWJpcnNr\n"
            + "MQ4wDAYDVQQKEwVJbnRlbDEVMBMGA1UECxMMRFJMIFNlY3VyaXR5MRowGAYDVQQDExFWbGFkaW1p\n"
            + "ciBNb2xvdGtvdjCCAbgwggEsBgcqhkjOOAQBMIIBHwKBgQD9f1OBHXUSKVLfSpwu7OTn9hG3Ujzv\n"
            + "RADDHj+AtlEmaUVdQCJR+1k9jVj6v8X1ujD2y5tVbNeBO4AdNG/yZmC3a5lQpaSfn+gEexAiwk+7\n"
            + "qdf+t8Yb+DtX58aophUPBPuD9tPFHsMCNVQTWhaRMvZ1864rYdcq7/IiAxmd0UgBxwIVAJdgUI8V\n"
            + "IwvMspK5gqLrhAvwWBz1AoGBAPfhoIXWmz3ey7yrXDa4V7l5lK+7+jrqgvlXTAs9B4JnUVlXjrrU\n"
            + "WU/mcQcQgYC0SRZxI+hMKBYTt88JMozIpuE8FnqLVHyNKOCjrh4rs6Z1kW6jfwv6ITVi8ftiegEk\n"
            + "O8yk8b6oUZCJqIPf4VrlnwaSi2ZegHtVJWQBTDv+z0kqA4GFAAKBgQDiNmj9jgWu1ILYqYWcUhNN\n"
            + "8CjjRitf80yWP/s/565wZz3anb2w72jum63mdShDko9eOOOd1hiVuiBnNhSL7D6JfIYBJvNXr1av\n"
            + "Gw583BBv12OBgg0eAW/GRWBn2Ak2JjsoBc5x2c1HAEufakep7T6RoC+n3lqbKPKyHWVdfqQ9KTAL\n"
            + "BgcqhkjOOAQDBQADLwAwLAIUaRS3C9dXcMbrOAhmidFBr7oMvH0CFEC3LUwfLJX5gY8P6uxpkPx3\n" + "JDSM\n"
            + "-----END CERTIFICATE-----\n";

    /**
     * Creates <code>Set</code> of <code>TrustAnchor</code>s
     * containing single element (self signed test certificate).
     * @return Returns <code>Set</code> of <code>TrustAnchor</code>s
     */
    public static Set<TrustAnchor> getTrustAnchorSet() {
        TrustAnchor ta = getTrustAnchor();
        if (ta == null) {
            return null;
        }
        HashSet<TrustAnchor> set = new HashSet<TrustAnchor>();
        if (!set.add(ta)) {
            throw new RuntimeException("Could not create trust anchor set");
        }
        return set;
    }

    /**
     * Creates <code>TrustAnchor</code> instance
     * constructed using self signed test certificate
     *
     * @return <code>TrustAnchor</code> instance
     */
    public static TrustAnchor getTrustAnchor() {
        CertificateFactory cf = null;
        try {
            cf = CertificateFactory.getInstance(certType);
        } catch (CertificateException e) {
            // requested cert type is not available in the
            // default provider package or any of the other provider packages
            // that were searched
            throw new RuntimeException(e);
        }
        BufferedInputStream bis = null;
        try {
            bis = new BufferedInputStream(new ByteArrayInputStream(getEncodedX509Certificate()));
            X509Certificate c1 = (X509Certificate) cf.generateCertificate(bis);

            return new TrustAnchor(c1, null);
        } catch (Exception e) {
            // all failures are fatal
            throw new RuntimeException(e);
        } finally {
            if (bis != null) {
                try {
                    bis.close();
                } catch (IOException ign) {
                }
            }
        }
    }

    public static byte[] getEncodedX509Certificate() {
        return ENCODED_X509_CERTIFICATE.getBytes();
    }
}