org.jclouds.vcloud.domain.network.firewall.FirewallPolicy.java Source code

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Here is the source code for org.jclouds.vcloud.domain.network.firewall.FirewallPolicy.java

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/*
 * 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.jclouds.vcloud.domain.network.firewall;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.base.CaseFormat;

/**
 * specifies how packets are handled by the firewall
 * 
 */
public enum FirewallPolicy {
    /**
     * drop packets of this type
     */
    DROP,
    /**
     * allow packets of this type to pass through the firewall
     */
    ALLOW, UNRECOGNIZED;

    public String value() {
        return CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, name());
    }

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

    public static FirewallPolicy fromValue(String policy) {
        try {
            return valueOf(CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE, checkNotNull(policy, "policy")));
        } catch (IllegalArgumentException e) {
            return UNRECOGNIZED;
        }
    }

}