UnderlayManager.cs

using System.Collections.Generic;
using System.Collections.ObjectModel;

/*
 * Copyright (c) 2018, Adam <Adam@sigterm.info>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
namespace OSRSCache
{
	using UnderlayDefinition = OSRSCache.definitions.UnderlayDefinition;
	using UnderlayLoader = OSRSCache.definitions.loaders.UnderlayLoader;
	using UnderlayProvider = OSRSCache.definitions.providers.UnderlayProvider;
	using Archive = OSRSCache.fs.Archive;
	using ArchiveFiles = OSRSCache.fs.ArchiveFiles;
	using FSFile = OSRSCache.fs.FSFile;
	using Index = OSRSCache.fs.Index;
	using Storage = OSRSCache.fs.Storage;
	using Store = OSRSCache.fs.Store;

	public class UnderlayManager : UnderlayProvider
	{
		private readonly Store store;
		private readonly IDictionary<int, UnderlayDefinition> underlays = new Dictionary<int, UnderlayDefinition>();

		public UnderlayManager(Store store)
		{
			this.store = store;
		}

//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void load() throws java.io.IOException
		public virtual void load()
		{
			Storage storage = store.Storage;
			Index index = store.getIndex(IndexType.CONFIGS);
			Archive archive = index.getArchive(ConfigType.UNDERLAY.Id);

			byte[] archiveData = storage.loadArchive(archive);
			ArchiveFiles files = archive.getFiles(archiveData);

			foreach (FSFile file in files.Files)
			{
				UnderlayLoader loader = new UnderlayLoader();
				UnderlayDefinition underlay = loader.load(file.FileId, file.Contents);

				underlays[underlay.id] = underlay;
			}
		}

		public virtual ICollection<UnderlayDefinition> Underlays
		{
			get
			{
				// return Collections.unmodifiableCollection(underlays.Values);
				return new List<UnderlayDefinition>(underlays.Values);
			}
		}

		public virtual UnderlayDefinition provide(int underlayId)
		{
			return underlays[underlayId];
		}
	}

}