/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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
 *
 *     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.apache.nifi.atlas.provenance.analyzer;

import org.apache.commons.lang3.StringUtils;
import org.apache.nifi.atlas.provenance.AbstractNiFiProvenanceEventAnalyzer;
import org.apache.nifi.atlas.provenance.AnalysisContext;
import org.apache.nifi.atlas.provenance.FilesystemPathsLevel;

import java.net.URI;

public abstract class AbstractFileSystemPathAnalyzer extends AbstractNiFiProvenanceEventAnalyzer {

    private static final String PATH_SEPARATOR = "/";

    public String getPath(AnalysisContext context, URI uri) {
        String path;

        if (context.getFilesystemPathsLevel() == FilesystemPathsLevel.DIRECTORY) {
            final String dirPath = StringUtils.substringBeforeLast(uri.getPath(), PATH_SEPARATOR);
            path = dirPath.isEmpty() ? PATH_SEPARATOR : dirPath;
        } else {
            path = uri.getPath();
        }

        return path;
    }
}
