| /* |
| * 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.shardingsphere.elasticjob.cloud.scheduler.util; |
| |
| import java.io.CharArrayWriter; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.io.Writer; |
| import java.nio.charset.StandardCharsets; |
| import lombok.AccessLevel; |
| import lombok.NoArgsConstructor; |
| |
| /** |
| * IO utils. |
| */ |
| @NoArgsConstructor(access = AccessLevel.PRIVATE) |
| public final class IOUtils { |
| |
| /** |
| * Convert InputStream to String. |
| * |
| * @param inputStream input stream |
| * @param encoding encoding |
| * @return result of the String type |
| * @throws IOException IOException |
| */ |
| public static String toString(final InputStream inputStream, final String encoding) throws IOException { |
| return (null == encoding) ? toString(new InputStreamReader(inputStream, StandardCharsets.UTF_8)) : toString(new InputStreamReader(inputStream, encoding)); |
| } |
| |
| /** |
| * Convert Reader to String. |
| * |
| * @param reader reader |
| * @return result of the String type |
| * @throws IOException IOException |
| */ |
| public static String toString(final Reader reader) throws IOException { |
| CharArrayWriter charArrayWriter = new CharArrayWriter(); |
| copy(reader, charArrayWriter); |
| return charArrayWriter.toString(); |
| } |
| |
| private static void copy(final Reader input, final Writer output) throws IOException { |
| char[] buffer = new char[4096]; |
| for (int length; (length = input.read(buffer)) >= 0;) { |
| output.write(buffer, 0, length); |
| } |
| } |
| } |