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• Route53IdRequestHandler.java

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com.amazonaws.services.route53.internal.Route53IdRequestHandler Maven / Gradle / Ivy

/*
 * Copyright 2012-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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 com.amazonaws.services.route53.internal;

import com.amazonaws.Request;
import com.amazonaws.handlers.AbstractRequestHandler;
import com.amazonaws.services.route53.model.AliasTarget;
import com.amazonaws.services.route53.model.ChangeInfo;
import com.amazonaws.services.route53.model.ChangeResourceRecordSetsResult;
import com.amazonaws.services.route53.model.CreateHostedZoneResult;
import com.amazonaws.services.route53.model.DeleteHostedZoneResult;
import com.amazonaws.services.route53.model.GetChangeResult;
import com.amazonaws.services.route53.model.GetHostedZoneResult;
import com.amazonaws.services.route53.model.HostedZone;
import com.amazonaws.services.route53.model.ListHostedZonesResult;
import com.amazonaws.services.route53.model.ListResourceRecordSetsResult;
import com.amazonaws.services.route53.model.ResourceRecordSet;
import com.amazonaws.services.route53.model.CreateHealthCheckResult;
import com.amazonaws.services.route53.model.GetHealthCheckResult;
import com.amazonaws.services.route53.model.ListHealthChecksResult;
import com.amazonaws.services.route53.model.HealthCheck;
import com.amazonaws.util.TimingInfo;

/**
 * Route 53 returns a portion of the URL resource path as the ID for a few
 * elements, but when the service accepts those IDs, the resource path portion
 * cannot be included, otherwise requests fail. This handler removes those
 * partial resource path elements from IDs returned by Route 53.
 */
public class Route53IdRequestHandler extends AbstractRequestHandler {

    @Override
    public void afterResponse(Request request, Object obj, TimingInfo timingInfo) {
        if (obj instanceof ChangeResourceRecordSetsResult) {
            ChangeResourceRecordSetsResult result = (ChangeResourceRecordSetsResult)obj;
            removePrefix(result.getChangeInfo());
        } else if (obj instanceof CreateHostedZoneResult) {
            CreateHostedZoneResult result = (CreateHostedZoneResult)obj;
            removePrefix(result.getChangeInfo());
            removePrefix(result.getHostedZone());
        } else if (obj instanceof DeleteHostedZoneResult) {
            DeleteHostedZoneResult result = (DeleteHostedZoneResult)obj;
            removePrefix(result.getChangeInfo());
        } else if (obj instanceof GetChangeResult) {
            GetChangeResult result = (GetChangeResult)obj;
            removePrefix(result.getChangeInfo());
        } else if (obj instanceof GetHostedZoneResult) {
            GetHostedZoneResult result = (GetHostedZoneResult)obj;
            removePrefix(result.getHostedZone());
        } else if (obj instanceof ListHostedZonesResult) {
            ListHostedZonesResult result = (ListHostedZonesResult)obj;
            for (HostedZone zone : result.getHostedZones()) removePrefix(zone);
        } else if (obj instanceof ListResourceRecordSetsResult) {
            ListResourceRecordSetsResult result = (ListResourceRecordSetsResult)obj;
            for (ResourceRecordSet rrset : result.getResourceRecordSets()) removePrefix(rrset);
        } else if (obj instanceof CreateHealthCheckResult) {
            CreateHealthCheckResult result = (CreateHealthCheckResult)obj;
            removePrefix(result.getHealthCheck());
        } else if (obj instanceof GetHealthCheckResult) {
            GetHealthCheckResult result = (GetHealthCheckResult)obj;
            removePrefix(result.getHealthCheck());
        } else if (obj instanceof ListHealthChecksResult) {
            ListHealthChecksResult result = (ListHealthChecksResult)obj;
            for (HealthCheck check : result.getHealthChecks()) removePrefix(check);
        }
    }

    private void removePrefix(ResourceRecordSet rrset) {
        if (rrset == null) return;

        removePrefix(rrset.getAliasTarget());
        rrset.setHealthCheckId(removePrefix(rrset.getHealthCheckId()));
        rrset.setSetIdentifier(removePrefix(rrset.getSetIdentifier()));
    }

    private void removePrefix(AliasTarget aliasTarget) {
        if (aliasTarget == null) return;

        aliasTarget.setHostedZoneId(removePrefix(aliasTarget.getHostedZoneId()));
    }

    private void removePrefix(ChangeInfo changeInfo) {
        if (changeInfo == null) return;

        if (changeInfo.getId() != null) {
            changeInfo.setId(removePrefix(changeInfo.getId()));
        }
    }

    private void removePrefix(HostedZone hostedZone) {
        if (hostedZone == null) return;

        if (hostedZone.getId() != null) {
            hostedZone.setId(removePrefix(hostedZone.getId()));
        }
    }

    private void removePrefix(HealthCheck healthCheck) {
        if (healthCheck == null) return;
        
        if (healthCheck.getId() != null) {
            healthCheck.setId(removePrefix(healthCheck.getId()));
        }
    }

    private String removePrefix(String s) {
        if (s == null) return null;

        int lastIndex = s.lastIndexOf("/");
        if (lastIndex > 0) {
            return s.substring(lastIndex + 1);
        }

        return s;
    }
}