org.jclouds.cloudstack.predicates.SecurityGroupPredicates.java Source code

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Here is the source code for org.jclouds.cloudstack.predicates.SecurityGroupPredicates.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.cloudstack.predicates;

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

import org.jclouds.cloudstack.domain.IngressRule;
import org.jclouds.cloudstack.domain.SecurityGroup;

import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;

/**
 * 
 * @author Andrew Bayer
 */
public class SecurityGroupPredicates {
    /**
     * 
     * @return true, if the security group contains an ingress rule with the given port in the port range
     */
    public static Predicate<SecurityGroup> portInRange(final int port) {
        return new Predicate<SecurityGroup>() {

            @Override
            public boolean apply(SecurityGroup group) {
                return Iterables.any(group.getIngressRules(), new Predicate<IngressRule>() {
                    @Override
                    public boolean apply(IngressRule rule) {
                        return rule.getStartPort() <= port && rule.getEndPort() >= port;
                    }
                });
            }

            @Override
            public String toString() {
                return "portInRange(" + port + ")";
            }
        };
    }

    /**
     * 
     * @return true, if the security group contains an ingress rule with the given cidr
     */
    public static Predicate<SecurityGroup> hasCidr(final String cidr) {
        return new Predicate<SecurityGroup>() {

            @Override
            public boolean apply(SecurityGroup group) {
                return Iterables.any(group.getIngressRules(), new Predicate<IngressRule>() {
                    @Override
                    public boolean apply(IngressRule rule) {
                        return rule.getCIDR() != null && rule.getCIDR().equals(cidr);
                    }
                });
            }

            @Override
            public String toString() {
                return "hasCidr(" + cidr + ")";
            }
        };
    }

    /**
     * 
     * @return true, if the security group contains an ingress rule with the given cidr and the given port in range
     */
    public static Predicate<SecurityGroup> portInRangeForCidr(final int port, final String cidr) {
        return new Predicate<SecurityGroup>() {

            @Override
            public boolean apply(SecurityGroup group) {
                return Iterables.any(group.getIngressRules(), new Predicate<IngressRule>() {
                    @Override
                    public boolean apply(IngressRule rule) {
                        return rule.getCIDR() != null && rule.getCIDR().equals(cidr) && rule.getStartPort() <= port
                                && rule.getEndPort() >= port;
                    }
                });
            }

            @Override
            public String toString() {
                return "portInRangeForCidr(" + port + ", " + cidr + ")";
            }
        };
    }

    /**
     * 
     * @return always returns true.
     */
    public static Predicate<SecurityGroup> any() {
        return alwaysTrue();
    }

    /**
     * matches name of the given security group
     * 
     * @param name
     * @return predicate that matches name
     */
    public static Predicate<SecurityGroup> nameEquals(final String name) {
        checkNotNull(name, "name must be defined");

        return new Predicate<SecurityGroup>() {
            @Override
            public boolean apply(SecurityGroup ext) {
                return name.equals(ext.getName());
            }

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

    /**
     * matches name of the given security group
     * 
     * @param name
     * @return predicate that matches name
     */
    public static Predicate<SecurityGroup> nameMatches(final Predicate<String> name) {
        checkNotNull(name, "name must be defined");

        return new Predicate<SecurityGroup>() {
            @Override
            public boolean apply(SecurityGroup ext) {
                return name.apply(ext.getName());
            }

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