CompositeFileFilter.java

package com.cloudhopper.commons.util.filefilter;

/*
 * #%L
 * ch-commons-util
 * %%
 * Copyright (C) 2012 Cloudhopper by Twitter
 * %%
 * 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.
 * #L%
 */

import java.io.File;
import java.io.FileFilter;

/**
 * Filters a file based on a composition of several other filters.
 * 
 * @author joelauer (twitter: @jjlauer or <a href="http://twitter.com/jjlauer" target=window>http://twitter.com/jjlauer</a>)
 */
public class CompositeFileFilter implements FileFilter {

    private FileFilter[] filters;

    public CompositeFileFilter(FileFilter[] filters) {
        this.filters = filters;
    }
    
    @Override
    public boolean accept(File file) {
        // loop thru every filter
        for (FileFilter filter : filters) {
            if (!filter.accept(file)) {
                return false;
            }
        }
        // if we get here then everything matched!
        return true;
    }

}