awslabs.lab51.InstanceIdentity.java Source code

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Here is the source code for awslabs.lab51.InstanceIdentity.java

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/** 
 * Copyright 2013 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 awslabs.lab51;

import com.amazonaws.internal.EC2MetadataClient;
import com.amazonaws.util.json.JSONObject;

/**
 * Project: Lab5.1
 */
public class InstanceIdentity {
    //private final String EC2_METADATA_SERVICE_URL = "http://169.254.169.254";

    private String instanceId = "(no instance metadata)";
    private String version = "(no instance metadata)";
    private String region = "(no instance metadata)";
    private String accountId = "(no instance metadata)";
    private String imageId = "(no instance metadata)";
    private String kernelId = "(no instance metadata)";
    private String ramdiskId = "(no instance metadata)";
    private String architecture = "(no instance metadata)";
    private String pendingTime = "(no instance metadata)";
    private String availabilityZone = "(no instance metadata)";
    private String privateIp = "(no instance metadata)";
    private String instanceType = "(no instance metadata)";

    public InstanceIdentity() {
        try {
            String instanceMetadata = new EC2MetadataClient()
                    .readResource("/latest/dynamic/instance-identity/document");
            JSONObject jsonObject = new JSONObject(instanceMetadata);

            if (jsonObject.has("instanceId")) {
                instanceId = jsonObject.getString("instanceId");
            }
            if (jsonObject.has("version")) {
                version = jsonObject.getString("version");
            }
            if (jsonObject.has("region")) {
                region = jsonObject.getString("region");
            }
            if (jsonObject.has("accountId")) {
                accountId = jsonObject.getString("accountId");
            }
            if (jsonObject.has("imageId")) {
                imageId = jsonObject.getString("imageId");
            }
            if (jsonObject.has("kernelId")) {
                kernelId = jsonObject.getString("kernelId");
            }
            if (jsonObject.has("ramdiskId")) {
                ramdiskId = jsonObject.getString("ramdiskId");
            }
            if (jsonObject.has("architecture")) {
                architecture = jsonObject.getString("architecture");
            }
            if (jsonObject.has("pendingTime")) {
                pendingTime = jsonObject.getString("pendingTime");
            }
            if (jsonObject.has("availabilityZone")) {
                availabilityZone = jsonObject.getString("availabilityZone");
            }
            if (jsonObject.has("privateIp")) {
                privateIp = jsonObject.getString("privateIp");
            }
            if (jsonObject.has("instanceType")) {
                instanceType = jsonObject.getString("instanceType");
            }
        } catch (Exception ex) {
            // If we have an exception, just stop processing and use the default values.
        }

    }

    public String getRegion() {
        return region;
    }

    public void setRegion(String region) {
        this.region = region;
    }

    public String getAccountId() {
        return accountId;
    }

    public void setAccountId(String accountId) {
        this.accountId = accountId;
    }

    public String getImageId() {
        return imageId;
    }

    public void setImageId(String imageId) {
        this.imageId = imageId;
    }

    public String getKernelId() {
        return kernelId;
    }

    public void setKernelId(String kernelId) {
        this.kernelId = kernelId;
    }

    public String getRamdiskId() {
        return ramdiskId;
    }

    public void setRamdiskId(String ramdiskId) {
        this.ramdiskId = ramdiskId;
    }

    public String getArchitecture() {
        return architecture;
    }

    public void setArchitecture(String architecture) {
        this.architecture = architecture;
    }

    public String getPendingTime() {
        return pendingTime;
    }

    public void setPendingTime(String pendingTime) {
        this.pendingTime = pendingTime;
    }

    public String getAvailabilityZone() {
        return availabilityZone;
    }

    public void setAvailabilityZone(String availabilityZone) {
        this.availabilityZone = availabilityZone;
    }

    public String getPrivateIp() {
        return privateIp;
    }

    public void setPrivateIp(String privateIp) {
        this.privateIp = privateIp;
    }

    public String getInstanceType() {
        return instanceType;
    }

    public void setInstanceType(String instanceType) {
        this.instanceType = instanceType;
    }

    public String getInstanceId() {
        return instanceId;
    }

    public void setInstanceId(String instanceId) {
        this.instanceId = instanceId;
    }

    public String getVersion() {
        return version;
    }

    public void setVersion(String version) {
        this.version = version;
    }

}