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- /*
- * Copyright 2013 Decebal Suiu
- *
- * 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.pf4j.util;
-
- import java.io.File;
- import java.io.FileFilter;
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.Collections;
- import java.util.List;
-
- /**
- * This filter providing conditional OR logic across a list of
- * file filters. This filter returns <code>true</code> if one filter in the
- * list return <code>true</code>. Otherwise, it returns <code>false</code>.
- * Checking of the file filter list stops when the first filter returns
- * <code>true</code>.
- *
- * @author Decebal Suiu
- */
- public class OrFileFilter implements FileFilter {
-
- /** The list of file filters. */
- private List<FileFilter> fileFilters;
-
- public OrFileFilter() {
- this(new ArrayList<FileFilter>());
- }
-
- public OrFileFilter(FileFilter... fileFilters) {
- this(Arrays.asList(fileFilters));
- }
-
- public OrFileFilter(List<FileFilter> fileFilters) {
- this.fileFilters = new ArrayList<>(fileFilters);
- }
-
- public OrFileFilter addFileFilter(FileFilter fileFilter) {
- fileFilters.add(fileFilter);
-
- return this;
- }
-
- public List<FileFilter> getFileFilters() {
- return Collections.unmodifiableList(fileFilters);
- }
-
- public boolean removeFileFilter(FileFilter fileFilter) {
- return fileFilters.remove(fileFilter);
- }
-
- public void setFileFilters(List<FileFilter> fileFilters) {
- this.fileFilters = new ArrayList<>(fileFilters);
- }
-
- @Override
- public boolean accept(File file) {
- if (this.fileFilters.size() == 0) {
- return true;
- }
-
- for (FileFilter fileFilter : this.fileFilters) {
- if (fileFilter.accept(file)) {
- return true;
- }
- }
-
- return false;
- }
-
- }
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