Here you can find the source of loadProperties(ByteSource is)
public static ImmutableMap<String, String> loadProperties(ByteSource is) throws IOException
//package com.java2s; /*//from w ww. j ava 2 s .com * Copyright (C) 2011 Google 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. */ import com.google.common.collect.ImmutableMap; import com.google.common.collect.Maps; import com.google.common.io.ByteSource; import com.google.common.io.Closer; import java.io.IOException; import java.io.InputStream; import java.util.Properties; public class Main { public static ImmutableMap<String, String> loadProperties(ByteSource is) throws IOException { Properties props = new Properties(); Closer closer = Closer.create(); InputStream in = closer.register(is.openStream()); try { props.load(in); } finally { closer.close(); } return Maps.fromProperties(props); } }