org.web3j.utils.Files Maven / Gradle / Ivy
/*
* Copyright 2019 Web3 Labs Ltd.
*
* 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 org.web3j.utils;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
/** File utility functions. */
public class Files {
private Files() {}
public static byte[] readBytes(File file) throws IOException {
byte[] bytes = new byte[(int) file.length()];
try (FileInputStream fileInputStream = new FileInputStream(file)) {
fileInputStream.read(bytes);
}
return bytes;
}
public static String readString(File file) throws IOException {
return new String(readBytes(file));
}
}