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/**
 * JBoss, Home of Professional Open Source
 * Copyright Red Hat, Inc., and individual contributors.
 *
 * 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.jboss.aerogear.unifiedpush.ca;

import static org.jboss.aerogear.unifiedpush.utils.ValidationUtils.isEmpty;

import java.io.FileInputStream;
import java.security.KeyStore;

public class TrustStoreManagerImpl implements TrustStoreManager {

    @Override
    public KeyStore loadTrustStore(String trustStorePath, String trustStoreType, String trustStorePassword) throws Exception {
        if (isEmpty(trustStorePath)) {
            throw new IllegalArgumentException("Wrong TrustStore file path configuration");
        }

        FileInputStream fin = null;
        try {
            fin = new FileInputStream(trustStorePath);
            final KeyStore ks = KeyStore.getInstance(isEmpty(trustStoreType) ? KeyStore.getDefaultType() : trustStoreType);
            ks.load(fin, trustStorePassword == null ? null : trustStorePassword.toCharArray());

            return ks;
        } finally {
            if (fin != null) {
                fin.close();
            }
        }
    }
}