com.liferay.portal.search.elasticsearch.internal.util.ResourceUtil.java Source code

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Here is the source code for com.liferay.portal.search.elasticsearch.internal.util.ResourceUtil.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.search.elasticsearch.internal.util;

import com.liferay.petra.string.CharPool;
import com.liferay.portal.kernel.util.StringUtil;

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

import org.apache.commons.io.FileUtils;

/**
 * @author Michael C. Han
 */
public class ResourceUtil {

    public static String getResourceAsString(Class<?> clazz, String resourceName) {

        try (InputStream inputStream = clazz.getResourceAsStream(resourceName)) {

            return StringUtil.read(inputStream);
        } catch (IOException ioe) {
            throw new RuntimeException("Unable to load resource: " + resourceName, ioe);
        }
    }

    public static File getResourceAsTempFile(Class<?> clazz, String name) throws IOException {

        int index = name.lastIndexOf(CharPool.PERIOD);

        File file = File.createTempFile(name.substring(0, index), name.substring(index));

        file.deleteOnExit();

        try (InputStream inputStream = clazz.getResourceAsStream(name)) {
            FileUtils.copyInputStreamToFile(inputStream, file);
        }

        return file;
    }

}