/**
* Describe a set of specific launch configurations.
*
* @param names the launch configuration names
* @return the launch configurations
*/
public List<LaunchConfiguration> describeLaunchConfigurations(String... names) {
if (names == null || names.length == 0) {
LOGGER.info("Getting all launch configurations.");
} else {
LOGGER.info(String.format("Getting launch configurations for %d names.", names.length));
}
List<LaunchConfiguration> lcs = new LinkedList<LaunchConfiguration>();
AmazonAutoScalingClient asgClient = asgClient();
DescribeLaunchConfigurationsRequest request =
new DescribeLaunchConfigurationsRequest().withLaunchConfigurationNames(names);
DescribeLaunchConfigurationsResult result = asgClient.describeLaunchConfigurations(request);
lcs.addAll(result.getLaunchConfigurations());
while (result.getNextToken() != null) {
request.setNextToken(result.getNextToken());
result = asgClient.describeLaunchConfigurations(request);
lcs.addAll(result.getLaunchConfigurations());
}
LOGGER.info(String.format("Got %d launch configurations.", lcs.size()));
return lcs;
}
public DescribeLaunchConfigurationsResult unmarshall(Node node) throws Exception {
if (node == null) return null;
DescribeLaunchConfigurationsResult describeLaunchConfigurationsResult =
new DescribeLaunchConfigurationsResult();
NodeList launchConfigurationsNodes = XpathUtils.asNodeList("LaunchConfigurations/member", node);
for (int launchConfigurationsIndex = 0;
launchConfigurationsIndex < XpathUtils.nodeLength(launchConfigurationsNodes);
++launchConfigurationsIndex) {
Node launchConfigurationsNode = launchConfigurationsNodes.item(launchConfigurationsIndex);
describeLaunchConfigurationsResult
.getLaunchConfigurations()
.add(new LaunchConfigurationUnmarshaller().unmarshall(launchConfigurationsNode));
launchConfigurationsNode.getParentNode().removeChild(launchConfigurationsNode);
}
Node nextTokenNode = XpathUtils.asNode("NextToken", node);
describeLaunchConfigurationsResult.setNextToken(
new StringUnmarshaller().unmarshall(nextTokenNode));
return describeLaunchConfigurationsResult;
}