| /* |
| * 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. |
| */ |
| |
| package org.apache.jackrabbit.oak.plugins.index.importer; |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.Properties; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| final class PropUtils { |
| |
| static Properties loadFromFile(File file) throws IOException { |
| try (InputStream is = new BufferedInputStream(new FileInputStream(file))) { |
| Properties p = new Properties(); |
| p.load(is); |
| return p; |
| } |
| } |
| |
| static String getProp(Properties p, String key) { |
| return checkNotNull(p.getProperty(key), "No property named [%s] found", key); |
| } |
| |
| static void writeTo(Properties p, File file, String comment) throws IOException { |
| try (OutputStream os = new BufferedOutputStream(new FileOutputStream(file))) { |
| p.store(os, comment); |
| } |
| } |
| } |