create Default Trust Manager - Java Security

Java examples for Security:Trust Manager

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Description

create Default Trust Manager

Demo Code

/*// w ww . j av  a  2  s  .c o m
 * #%L
 * asio ssl-fix
 * %%
 * Copyright (C) 2013 - 2015 Research Group Scientific Computing, University of Vienna
 * %%
 * Licensed 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.
 * #L%
 */
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.security.GeneralSecurityException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;

public class Main{
    public static X509TrustManager createDefaultTrustManager() {
        return createTrustManagerFrom(null); // will load JVM default keystore
    }
    public static X509TrustManager createTrustManagerFrom(
            final KeyStore trustStore) {
        final TrustManagerFactory factory;
        try {
            factory = TrustManagerFactory.getInstance(TrustManagerFactory
                    .getDefaultAlgorithm());
            factory.init(trustStore);
        } catch (NoSuchAlgorithmException | KeyStoreException e) {
            throw new InitializationFailure(e);
        }
        for (TrustManager each : factory.getTrustManagers()) {
            if (each instanceof X509TrustManager) {
                return (X509TrustManager) each;
            }
        }
        throw new InitializationFailure("no X509TrustManager found");
    }
}

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