org.jclouds.examples.rackspace.clouddns.UpdateRecords.java Source code

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Here is the source code for org.jclouds.examples.rackspace.clouddns.UpdateRecords.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.examples.rackspace.clouddns;

import com.google.common.base.Function;
import com.google.common.collect.Maps;
import com.google.common.io.Closeables;
import org.jclouds.ContextBuilder;
import org.jclouds.rackspace.clouddns.v1.CloudDNSApi;
import org.jclouds.rackspace.clouddns.v1.domain.Domain;
import org.jclouds.rackspace.clouddns.v1.domain.Record;
import org.jclouds.rackspace.clouddns.v1.domain.RecordDetail;
import org.jclouds.rackspace.clouddns.v1.functions.RecordFunctions;

import java.io.Closeable;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeoutException;

import static org.jclouds.examples.rackspace.clouddns.Constants.NAME;
import static org.jclouds.examples.rackspace.clouddns.Constants.PROVIDER;
import static org.jclouds.rackspace.clouddns.v1.predicates.JobPredicates.awaitComplete;

/**
 * This example updates the records on a domain.
 *
 */
public class UpdateRecords implements Closeable {
    private final CloudDNSApi dnsApi;

    /**
     * To get a username and API key see http://jclouds.apache.org/guides/rackspace/
     *
     * The first argument (args[0]) must be your username
     * The second argument (args[1]) must be your API key
     */
    public static void main(String[] args) throws IOException {
        UpdateRecords updateRecords = new UpdateRecords(args[0], args[1]);

        try {
            Domain domain = updateRecords.getDomain();
            updateRecords.updateRecord(domain);
            updateRecords.updateRecords(domain);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            updateRecords.close();
        }
    }

    public UpdateRecords(String username, String apiKey) {
        dnsApi = ContextBuilder.newBuilder(PROVIDER).credentials(username, apiKey).buildApi(CloudDNSApi.class);
    }

    private Domain getDomain() {
        for (Domain domain : dnsApi.getDomainApi().list().concat()) {
            if (domain.getName().startsWith(NAME)) {
                return domain;
            }
        }

        throw new RuntimeException(NAME + " not found. Run CreateDomains example first.");
    }

    private void updateRecord(Domain domain) throws TimeoutException {
        System.out.format("Update Record%n");

        RecordDetail recordDetail = dnsApi.getRecordApi(domain.getId()).getByNameAndTypeAndData(NAME, "A",
                "10.0.0.1");
        Record updateRecord = recordDetail.getRecord().toBuilder().data("10.0.1.0").build();

        awaitComplete(dnsApi, dnsApi.getRecordApi(domain.getId()).update(recordDetail.getId(), updateRecord));

        System.out.format("  %s%n", dnsApi.getRecordApi(domain.getId()).get(recordDetail.getId()));
    }

    private void updateRecords(Domain domain) throws TimeoutException {
        System.out.format("Update Records%n");

        Set<RecordDetail> recordDetails = dnsApi.getRecordApi(domain.getId()).listByType("A").concat().toSet();
        Map<String, Record> idsToRecords = RecordFunctions.toRecordMap(recordDetails);
        Map<String, Record> updateRecords = Maps.transformValues(idsToRecords,
                updateTTLAndComment(235813, "New TTL"));

        awaitComplete(dnsApi, dnsApi.getRecordApi(domain.getId()).update(updateRecords));

        Iterable<RecordDetail> recordDetailsUpdated = dnsApi.getRecordApi(domain.getId()).listByType("A").concat();

        for (RecordDetail recordDetailUpdated : recordDetailsUpdated) {
            System.out.format("  %s%n", recordDetailUpdated);
        }
    }

    private Function<Record, Record> updateTTLAndComment(final int ttl, final String comment) {
        return new Function<Record, Record>() {
            public Record apply(Record record) {
                return record.toBuilder().ttl(ttl).comment(comment).build();
            }
        };
    }

    /**
     * Always close your service when you're done with it.
     *
     * Note that closing quietly like this is not necessary in Java 7.
     * You would use try-with-resources in the main method instead.
     */
    public void close() throws IOException {
        Closeables.close(dnsApi, true);
    }
}