BSONPathFilter.java

/*
 * Copyright 2010-2013 10gen Inc.
 *
 * 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 com.mongodb.hadoop;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.PathFilter;

public class BSONPathFilter implements PathFilter {

    private static final Log LOG = LogFactory.getLog(BSONPathFilter.class);

    public BSONPathFilter() {
        LOG.info("path filter constructed.");
    }

    public boolean accept(final Path path) {
        String pathName = path.getName().toLowerCase();
        boolean acceptable = pathName.endsWith(".bson") && !pathName.startsWith(".");
        LOG.info(path.toString() + " returning " + acceptable);
        return acceptable;
    }
}