import com.sap.piper.DownloadCacheUtils
import groovy.transform.Field

import static com.sap.piper.Prerequisites.checkScript

@Field def STEP_NAME = getClass().getName()
@Field String METADATA_FILE = 'metadata/mavenExecute.yaml'

def call(Map parameters = [:]) {
    final script = checkScript(this, parameters) ?: this
    parameters = DownloadCacheUtils.injectDownloadCacheInMavenParameters(script, parameters)

    List credentials = [ ]
    piperExecuteBin(parameters, STEP_NAME, METADATA_FILE, credentials)

    String output = ''
    if (parameters.returnStdout) {
        String outputFile = '.pipeline/maven_output.txt'
        if (!fileExists(outputFile)) {
            error "[$STEP_NAME] Internal error. A text file with the contents of the maven output was expected " +
                "but does not exist at '$outputFile'. " +
                "Please file a ticket at https://github.com/SAP/jenkins-library/issues/new/choose"
        }
        output = readFile(outputFile)
    }
    return output
}