org.wildfly.security.keystore.UnmodifiableKeyStore Maven / Gradle / Ivy
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* Copyright 2015 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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.
*/
package org.wildfly.security.keystore;
import java.io.IOException;
import java.security.KeyStore;
import java.security.KeyStoreSpi;
import java.security.NoSuchAlgorithmException;
import java.security.Provider;
import java.security.cert.CertificateException;
import org.wildfly.common.Assert;
/**
* A wrapper around {@link KeyStore} to make it unmodifiable.
*
* @author Darran Lofthouse
*/
public class UnmodifiableKeyStore extends KeyStore {
private UnmodifiableKeyStore(KeyStoreSpi keyStoreSpi, Provider provider, String type) {
super(keyStoreSpi, provider, type);
}
/**
* Wrap an existing initialised {@link KeyStore} with an unmodifiable wrapper.
*
* Note: References are held to the underlying {@link KeyStore} can still be modified and changes will still be visible in
* the representation returned here.
*
* @param toWrap the {@link KeyStore} to wrap.
* @return the unmodifiable wrapper around the {@link KeyStore}
* @throws NoSuchAlgorithmException
* @throws CertificateException
* @throws IOException
* @throws IllegalArgumentException if the {@link KeyStore} being wrapped is {@code null}
*/
public static KeyStore unmodifiableKeyStore(final KeyStore toWrap) throws NoSuchAlgorithmException, CertificateException,
IOException {
Assert.checkNotNullParam("toWrap", toWrap);
KeyStore keyStore = new UnmodifiableKeyStore(new UnmodifiableKeyStoreSpi(toWrap), toWrap.getProvider(),
toWrap.getType());
keyStore.load(null, null);
return keyStore;
}
}