Example usage for com.amazonaws.services.cloudformation.model ListStacksResult getNextToken

Introduction

In this page you can find the example usage for com.amazonaws.services.cloudformation.model ListStacksResult getNextToken.

Prototype

public String getNextToken() 

Source Link

Document

If the output exceeds 1 MB in size, a string that identifies the next page of stacks.

Usage

From source file:br.com.ingenieux.mojo.cloudformation.AbstractCloudformationMojo.java

License:Apache License

/**
 * Lookups a Stack/*from   w  w  w . j  a  v a2 s.c  om*/
 */
protected void ensureStackLookup() {
    if (isNotEmpty(stackId))
        return;

    getLog().info("Looking up stackId (stack name: " + stackName + ")");

    final Pattern namePattern;

    if (GlobUtil.hasWildcards(stackName)) {
        namePattern = GlobUtil.globify(stackName);
    } else {
        namePattern = Pattern.compile(Pattern.quote(stackName));
    }

    String nextToken = null;
    final ListStacksRequest req = new ListStacksRequest().withStackStatusFilters(StackStatus.CREATE_COMPLETE,
            StackStatus.CREATE_FAILED, StackStatus.UPDATE_COMPLETE);

    do {
        req.setNextToken(nextToken);

        final ListStacksResult result = getService().listStacks(req);

        final Optional<StackSummary> matchedStackSummary = result.getStackSummaries().stream()
                .filter(x -> namePattern.matcher(x.getStackName()).matches()).findFirst();

        if (matchedStackSummary.isPresent()) {
            getLog().info("Found stack (stackSummary: " + matchedStackSummary.get());

            this.stackId = matchedStackSummary.get().getStackId();
            this.stackSummary = matchedStackSummary.get();

            return;
        }

        nextToken = result.getNextToken();
    } while (null != nextToken);

    throw new IllegalStateException("Stack '" + stackName + "' not found!");
}

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