commons-net.jar Source Code

commons-net.jar is the bytecode of Apache Commons Net library, which implements the client side of many basic Internet protocols.

Apache Commons Net Source Code files are provided in the binary packge (commons-net-3.8.0-bin.zip). You can download it at Apache Commons Net Website.

The source code of commons-net-3.8.0.jar is provided below:

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org/apache/commons/net/util/SSLContextUtils.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.commons.net.util;

import java.io.IOException;
import java.security.GeneralSecurityException;

import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;

/**
 * General utilities for SSLContext.
 * @since 3.0
 */
public class SSLContextUtils {

    private SSLContextUtils() {
        // Not instantiable
    }

    /**
     * Create and initialize an SSLContext.
     * @param protocol the protocol used to instatiate the context
     * @param keyManager the key manager, may be {@code null}
     * @param trustManager the trust manager, may be {@code null}
     * @return the initialized context.
     * @throws IOException this is used to wrap any {@link GeneralSecurityException} that occurs
     */
    public static SSLContext createSSLContext(final String protocol, final KeyManager keyManager, final TrustManager trustManager)
            throws IOException {
        return createSSLContext(protocol,
                keyManager == null ? null : new KeyManager[] { keyManager },
                trustManager == null ? null : new TrustManager[] { trustManager });
    }

    /**
     * Create and initialize an SSLContext.
     * @param protocol the protocol used to instatiate the context
     * @param keyManagers the array of key managers, may be {@code null} but array entries must not be {@code null}
     * @param trustManagers the array of trust managers, may be {@code null} but array entries must not be {@code null}
     * @return the initialized context.
     * @throws IOException this is used to wrap any {@link GeneralSecurityException} that occurs
     */
    public static SSLContext createSSLContext(final String protocol, final KeyManager[] keyManagers,
            final TrustManager[] trustManagers) throws IOException {
        final SSLContext ctx;
        try {
            ctx = SSLContext.getInstance(protocol);
            ctx.init(keyManagers, trustManagers, /* SecureRandom */ null);
        } catch (final GeneralSecurityException e) {
            final IOException ioe = new IOException("Could not initialize SSL context");
            ioe.initCause(e);
            throw ioe;
        }
        return ctx;
    }
}

org/apache/commons/net/util/SSLContextUtils.java

 

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File name: commons-net-3.8.0-sources.jar
File size: 437325 bytes
Release date: 2020-01-22
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