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/*
 * Copyright (C) 2011 Thomas Akehurst
 *
 * 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 com.github.tomakehurst.wiremock.common;

import com.google.common.io.Resources;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.KeyStore;

import static com.github.tomakehurst.wiremock.common.Exceptions.throwUnchecked;

public class KeyStoreSettings {

    public static final KeyStoreSettings NO_STORE = new KeyStoreSettings(null, null);

    private final String path;
    private final String password;

    public KeyStoreSettings(String path, String password) {
        this.path = path;
        this.password = password;
    }

    public String path() {
        return path;
    }

    public String password() {
        return password;
    }

    public KeyStore loadStore() {
        InputStream instream = null;
        try {
            KeyStore trustStore  = KeyStore.getInstance(KeyStore.getDefaultType());
            instream = createInputStream();
            trustStore.load(instream, password.toCharArray());
            return trustStore;
        } catch (Exception e) {
            return throwUnchecked(e, KeyStore.class);
        } finally {
            if (instream != null) {
                try {
                    instream.close();
                } catch (IOException ioe) {
                    throwUnchecked(ioe);
                }
            }
        }
    }

    private InputStream createInputStream() throws IOException {
        if (new File(path).isFile()) {
            return new FileInputStream(path);
        } else {
            return Resources.getResource(path).openStream();
        }
    }
}