org.snt.inmemantlr.utils.FileUtils Maven / Gradle / Ivy
/**
* Inmemantlr - In memory compiler for Antlr 4
*
* The MIT License (MIT)
*
* Copyright (c) 2016 Julian Thome
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
**/
package org.snt.inmemantlr.utils;
import org.apache.commons.io.IOUtils;
import java.io.File;
import java.io.InputStream;
import java.io.RandomAccessFile;
import java.nio.charset.StandardCharsets;
public final class FileUtils {
private FileUtils() {
}
/**
* load file content
*
* @param path path of the file to load
* @return file content as string
*/
public static String loadFileContent(File path) {
return loadFileContent(path.getAbsolutePath());
}
/**
* load file content
*
* @param path path of the file to load
* @return file content as string
*/
public static String loadFileContent(String path) {
byte[] bytes;
try {
RandomAccessFile f = new RandomAccessFile(path, "r");
bytes = new byte[(int) f.length()];
f.read(bytes);
} catch (Exception e) {
return null;
}
return new String(bytes);
}
/**
* load input stream
*
* @param is input stream
* @return stream content as string
*/
public static String getStringFromStream(InputStream is) {
try {
return IOUtils.toString(is, StandardCharsets.UTF_8);
} catch (Exception e) {
return null;
}
}
}