org.apache.camel.model.cloud.BlacklistServiceCallServiceFilterConfiguration Maven / Gradle / Ivy

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The Core Camel Java DSL based router
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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.apache.camel.model.cloud;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

import org.apache.camel.CamelContext;
import org.apache.camel.spi.Metadata;
import org.apache.camel.util.ObjectHelper;

@Metadata(label = "routing,cloud,service-filter")
@XmlRootElement(name = "blacklistServiceFilter")
@XmlAccessorType(XmlAccessType.FIELD)
public class BlacklistServiceCallServiceFilterConfiguration extends ServiceCallServiceFilterConfiguration {
    @XmlElement
    private List servers;

    public BlacklistServiceCallServiceFilterConfiguration() {
        this(null);
    }

    public BlacklistServiceCallServiceFilterConfiguration(ServiceCallDefinition parent) {
        super(parent, "blacklist-service-filter");
    }

    // *************************************************************************
    // Properties
    // *************************************************************************

    public List getServers() {
        return servers;
    }

    /**
     * Sets the server blacklist.
     * 
     * Each entry can be a list of servers separated by comma in the format:
     *
     *   [service@]host:port,[service@]host2:port,[service@]host3:port
     *
     * @param servers a list of servers.
     * @return this instance
     */
    public void setServers(List servers) {
        this.servers = servers;
    }

    // *************************************************************************
    // Fluent API
    // *************************************************************************

    /**
     * Sets the server blacklist.
     *
     * Each entry can be a list of servers separated by comma in the format:
     *
     *   [service@]host:port,[service@]host2:port,[service@]host3:port
     *
     * @param servers a list of servers.
     * @return this instance
     */
    public BlacklistServiceCallServiceFilterConfiguration servers(List servers) {
        setServers(servers);
        return this;
    }

    /**
     * Sets the server blacklist.
     *
     * @param servers a list of servers separated by comma in the format: [service@]host:port,[service@]host2:port,[service@]host3:port
     * @return this instance
     */
    public BlacklistServiceCallServiceFilterConfiguration servers(String servers) {
        if (ObjectHelper.isNotEmpty(servers)) {
            String[] parts = servers.split(",");

            if (this.servers == null) {
                this.servers = new ArrayList<>();
            }

            this.servers.addAll(Arrays.asList(parts));
        }

        return this;
    }

    // *************************************************************************
    // Utilities
    // *************************************************************************

    protected void postProcessFactoryParameters(CamelContext camelContext, Map parameters) throws Exception  {
        List servers = List.class.cast(parameters.get("servers"));

        if (ObjectHelper.isNotEmpty(servers)) {
            final ListIterator it = servers.listIterator();
            while (it.hasNext()) {
                it.set(camelContext.resolvePropertyPlaceholders(it.next()));
            }

            parameters.put("servers", servers);
        }
    }
}