/*
 * Validation of output artifacts to make sure they can be published.
 */

import java.util.jar.JarFile

def checkDuplicateEntries = { archive ->
	def uniqueEntries = new HashSet()
	def jarFile = new JarFile(archive)
	def entries = jarFile.entries()
	while (entries.hasMoreElements()) {
		def entry = entries.nextElement()
		if (!uniqueEntries.add(entry.name))
			throw new GradleException("Duplicate entry ${entry} in archive ${archive.name}")
	}
	jarFile.close()
}

task validateJar {
	dependsOn(jar)
	inputs.file(jar.archivePath)
	doLast {
		checkDuplicateEntries(jar.archivePath)
	}
}
check.dependsOn(validateJar)

task validateSourcesJar {
	dependsOn(sourcesJar)
	inputs.file(sourcesJar.archivePath)
	doLast {
		checkDuplicateEntries(sourcesJar.archivePath)
	}
}
check.dependsOn(validateSourcesJar)