/* * 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.sshd.common.config; import java.util.Collections; import java.util.EnumSet; import java.util.Set; import org.apache.sshd.common.compression.BuiltinCompressions; import org.apache.sshd.common.compression.Compression; import org.apache.sshd.common.compression.CompressionFactory; import org.apache.sshd.common.util.GenericUtils; /** * Provides a "bridge" between the configuration values and the * actual {@link org.apache.sshd.common.NamedFactory} for the {@link Compression}. * * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a> */ public enum CompressionConfigValue implements CompressionFactory { YES(BuiltinCompressions.zlib), NO(BuiltinCompressions.none), DELAYED(BuiltinCompressions.delayedZlib); public static final Set<CompressionConfigValue> VALUES = Collections.unmodifiableSet(EnumSet.allOf(CompressionConfigValue.class)); private final CompressionFactory factory; CompressionConfigValue(CompressionFactory delegate) { factory = delegate; } @Override public final String getName() { return factory.getName(); } @Override public final Compression create() { return factory.create(); } @Override public boolean isSupported() { return factory.isSupported(); } @Override public final String toString() { return getName(); } @Override public boolean isDelayed() { return factory.isDelayed(); } @Override public boolean isCompressionExecuted() { return factory.isCompressionExecuted(); } public static CompressionConfigValue fromName(String n) { if (GenericUtils.isEmpty(n)) { return null; } for (CompressionConfigValue v : VALUES) { if (n.equalsIgnoreCase(v.name())) { return v; } } return null; } }