com.jk.examples.dropwizard.util.FilesUtil.java Source code

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Here is the source code for com.jk.examples.dropwizard.util.FilesUtil.java

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/*
 * Copyright 2002-2016 Jalal Kiswani.
 *
 * 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 com.jk.examples.dropwizard.util;

import java.io.IOException;
import java.io.InputStream;

import org.apache.commons.io.IOUtils;

/**
 * Utility methods to deal with Files.
 *
 * @author Jalal
 */
public class FilesUtil {

    /**
     * Read files contents as string using Apache IO library,.
     *
     * @param fileName
     *            the file name
     * @return the string
     * @throws IOException
     *             Signals that an I/O exception has occurred.
     */
    public static String readResourceFile(final String fileName) throws IOException {
        InputStream in = null;
        try {
            in = FilesUtil.class.getResourceAsStream(fileName);
            if (in == null) {
                System.out.print("Resource " + fileName + " is not found");
                return null;
            }
            return IOUtils.toString(in);
        } finally {
            if (in != null) {
                in.close();
            }
        }
    }

}