/*
 * 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.java.nio.file;

import org.uberfire.commons.data.Pair;

public final class StandardWatchEventKind {

    public static final WatchEvent.Kind<Path> ENTRY_CREATE = new StdWatchEventKind<Path>("ENTRY_CREATE",
                                                                                         Path.class);
    public static final WatchEvent.Kind<Path> ENTRY_DELETE = new StdWatchEventKind<Path>("ENTRY_DELETE",
                                                                                         Path.class);
    public static final WatchEvent.Kind<Path> ENTRY_MODIFY = new StdWatchEventKind<Path>("ENTRY_MODIFY",
                                                                                         Path.class);
    public static final WatchEvent.Kind<Pair> ENTRY_RENAME = new StdWatchEventKind<Pair>("ENTRY_RENAME",
                                                                                         Pair.class);

    private StandardWatchEventKind() {
    }

    private static class StdWatchEventKind<T> implements WatchEvent.Kind<T> {

        private final String name;
        private final Class<T> type;

        StdWatchEventKind(String name,
                          Class<T> type) {
            this.name = name;
            this.type = type;
        }

        @Override
        public String name() {
            return name;
        }

        @Override
        public Class<T> type() {
            return type;
        }

        @Override
        public String toString() {
            return name;
        }
    }
}
