test/dubbo-scenario-builder/src/main/java/org/apache/dubbo/scenario/builder/FileUtil.java

/*
 * 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.dubbo.scenario.builder;

import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;

public class FileUtil {
    public static String readFully(String file) throws IOException {
        try (FileInputStream fis = new FileInputStream(file)) {
            return readFully(fis);
        }
    }

    public static String readFully(InputStream input) throws IOException {
        DataInputStream dis = new DataInputStream(input);
        byte[] bytes = new byte[input.available()];
        dis.readFully(bytes);
        return new String(bytes, StandardCharsets.UTF_8);
    }
}