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

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Here is the source code for org.jclouds.examples.rackspace.clouddns.DeleteRecords.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.collect.Iterables;
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.RecordDetail;

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

import static org.jclouds.examples.rackspace.clouddns.Constants.ALT_NAME;
import static org.jclouds.examples.rackspace.clouddns.Constants.PROVIDER;
import static org.jclouds.rackspace.clouddns.v1.functions.RecordFunctions.GET_RECORD_ID;
import static org.jclouds.rackspace.clouddns.v1.predicates.JobPredicates.awaitComplete;

/**
 * This example deletes the records on a domain.
 *
 */
public class DeleteRecords 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 {
        DeleteRecords deleteRecords = new DeleteRecords(args[0], args[1]);

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

    public DeleteRecords(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(ALT_NAME)) {
                return domain;
            }
        }

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

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

        Set<RecordDetail> recordDetails = dnsApi.getRecordApi(domain.getId()).listByType("TXT").concat().toSet();
        Iterable<String> recordIds = Iterables.transform(recordDetails, GET_RECORD_ID);

        awaitComplete(dnsApi, dnsApi.getRecordApi(domain.getId()).delete(recordIds));

        System.out.format("  Deleted %s records", Iterables.size(recordDetails));
    }

    /**
     * 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);
    }
}