Here you can find the source of getKeyStore(String ksType, String file, String ksPassword)
public static KeyStore getKeyStore(String ksType, String file, String ksPassword) throws GeneralSecurityException, IOException
//package com.java2s; /**//from w w w . j a v a 2s. c o m * 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.FileInputStream; import java.io.IOException; import java.security.GeneralSecurityException; import java.security.KeyStore; public class Main { public static KeyStore getKeyStore(String ksType, String file, String ksPassword) throws GeneralSecurityException, IOException { String type = ksType != null ? ksType : KeyStore.getDefaultType(); char[] password = ksPassword != null ? ksPassword.toCharArray() : null; // We just use the default Keystore provider KeyStore keyStore = KeyStore.getInstance(type); keyStore.load(new FileInputStream(file), password); return keyStore; } }