FileUtil.java example

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intellij-xquery-master
/*
 * Copyright 2013-2014 Grzegorz Ligas <ligasgr@gmail.com> and other contributors
 * (see the CONTRIBUTORS file).
 *
 * 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.intellij.xquery.runner.rt;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;

public final class FileUtil {
    private FileUtil() {}

    public static String readFile(String file) throws IOException {
        BufferedReader reader = new BufferedReader(new FileReader(file));
        String line;
        StringBuilder stringBuilder = new StringBuilder();
        String ls = System.getProperty("line.separator");

        while ((line = reader.readLine()) != null) {
            stringBuilder.append(line);
            stringBuilder.append(ls);
        }

        return stringBuilder.toString();
    }
}