D-Net

package eu.dnetlib.springutils.collections;

import java.io.IOException;

import java.io.StringWriter;

import java.util.ArrayList;

import java.util.Collection;

import java.util.List;

import java.util.function.Function;

import java.util.stream.Collectors;

import org.apache.commons.io.IOUtils;

import org.springframework.core.io.Resource;

/**

 * very useful in unit tests when you want to read many resources obtained from the spring resource loader into a

 * collection of strings.

 * 

 * @author marko

 * 

 */

public class ResourceReaderCollectionUtils {

	/**

	 * construct a ResourceReaderCollectionUtils from a collection of resources.

	 * @param coll

	 */

	public static Collection<String> createCollection(Collection<Resource> coll) {

		return coll.stream().map(resource -> {

			try {

				return IOUtils.toString(resource.getInputStream());

			} catch (IOException e) {

				throw new IllegalArgumentException("cannot read resource", e);

			}

		}).collect(Collectors.toList());

	}

}