/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * 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.uberfire.server.util;

import org.uberfire.util.URIUtil;

public class FileServletUtil {

    public static String encodeFileNamePart(String path) {
        //encode the file name part for a given path in the vfs uri format.
        if (path == null) {
            return null;
        } else {
            int index = path.lastIndexOf('/');
            StringBuilder builder = new StringBuilder();
            if (index >= 0) {
                builder.append(path.substring(0,
                                              index + 1));
                if (index < path.length() - 1) {
                    builder.append(encodeFileName(path.substring(index + 1,
                                                                 path.length())));
                }
            } else {
                builder.append(path);
            }
            return builder.toString();
        }
    }

    public static String encodeFileName(String fileName) {
        return URIUtil.encode(fileName);
    }
}
