/**
* Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright ownership. Apereo
* licenses this file to you 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 the
* following location:
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>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.apereo.portal.utils;
import com.google.common.base.Function;
import java.io.File;
import java.io.FileFilter;
import java.util.Map;
import org.springframework.core.io.Resource;
/**
* Scans a directory structure for files.
*
*/
public interface DirectoryScanner {
/**
* Scan the specified directory. Returning a {@link Map} of the processed results.
*
* @param directory The directory to scan
* @param fileFilter Used to filter the files during processing
* @param fileProcessor Callback, called for each matched {@link File}
* @return The Map of the processed results from the source file the result
*/
public abstract <T> Map<File, T> scanDirectoryWithResults(
File directory, FileFilter fileFilter, Function<Resource, T> fileProcessor);
/**
* Scan the specified directory.
*
* @param directory The directory to scan
* @param fileFilter Used to filter the files during processing
* @param fileProcessor Callback, called for each matched {@link File}
*/
public abstract void scanDirectoryNoResults(
File directory, FileFilter fileFilter, Function<Resource, ?> fileProcessor);
}