com.facebook.buck.util.KeystoreProperties.java Source code

Introduction

Here is the source code for com.facebook.buck.util.KeystoreProperties.java

Source

/*
 * Copyright 2012-present Facebook, Inc.
 *
 * 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.facebook.buck.util;

import com.google.common.base.Preconditions;
import com.google.common.base.Strings;

import java.io.IOException;
import java.nio.file.Path;
import java.util.Properties;

public class KeystoreProperties {

    private final Path keystore;
    private final String storepass;
    private final String keypass;
    private final String alias;

    public KeystoreProperties(Path keystore, String storepass, String keypass, String alias) {
        this.keystore = Preconditions.checkNotNull(keystore);
        this.storepass = Preconditions.checkNotNull(storepass);
        this.keypass = Preconditions.checkNotNull(keypass);
        this.alias = Preconditions.checkNotNull(alias);
    }

    public Path getKeystore() {
        return keystore;
    }

    public String getStorepass() {
        return storepass;
    }

    public String getKeypass() {
        return keypass;
    }

    public String getAlias() {
        return alias;
    }

    public static KeystoreProperties createFromPropertiesFile(Path pathToStore, Path pathToKeystorePropertiesFile,
            ProjectFilesystem projectFilesystem) throws IOException {
        Properties properties = projectFilesystem.readPropertiesFile(pathToKeystorePropertiesFile);

        String keystorePassword = getOrThrowException(properties, "key.store.password",
                pathToKeystorePropertiesFile);
        String alias = getOrThrowException(properties, "key.alias", pathToKeystorePropertiesFile);
        String aliasPassword = getOrThrowException(properties, "key.alias.password", pathToKeystorePropertiesFile);

        return new KeystoreProperties(pathToStore, keystorePassword, aliasPassword, alias);
    }

    /**
     * @return a non-null, non-empty value for the specified property
     * @throws HumanReadableException if there is no value for the specified property
     */
    private static String getOrThrowException(Properties properties, String propertyName,
            Path pathToKeystorePropertiesFile) {
        String value = Strings.nullToEmpty(properties.getProperty(propertyName)).trim();
        if (value.isEmpty()) {
            throw new HumanReadableException("properties file %s did not contain a value for the property %s",
                    pathToKeystorePropertiesFile, propertyName);
        } else {
            return value;
        }
    }

}