this.checksumService = checksumService;
    }

    @Override
    public MavenResolver createResolver() {
        URI rootUri = validateUrl();

        RepositoryTransport transport = getTransport(rootUri.getScheme());
        MavenMetadataLoader mavenMetadataLoader = new MavenMetadataLoader(transport.getResourceAccessor(), getResourcesFileStore());

        this.allowInsecureProtocol = allowInsecureProtocol;
    }

    @Override
    public boolean isAllowInsecureProtocol() {
        return allowInsecureProtocol;
    }

    @Nonnull
    public URI validateUrl() {
        URI rootUri = getUrl();
        if (rootUri == null) {
            throw new InvalidUserDataException(String.format(
                "You must specify a URL for a %s repository.",
                repositoryType

        ant.withGroovyBuilder {
            "taskdef"("classname" to "org.apache.jasper.JspC",
                      "name" to "jasper",
                      "classpath" to jasperClasspath)
            "jasper"("validateXml" to false,
                     "uriroot" to projectLayout.projectDirectory.file("src/main/webapp").asFile,
                     "outputDir" to projectLayout.buildDirectory.file("compiled-jsps").get().asFile)
        }
    }

    def projectLayout = layout
    doLast {
        ant.taskdef(classname: 'org.apache.jasper.JspC',
                    name: 'jasper',
                    classpath: jasperClasspath)
        ant.jasper(validateXml: false,
                   uriroot: projectLayout.projectDirectory.file('src/main/webapp').asFile,
                   outputDir: projectLayout.buildDirectory.file("compiled-jsps").get().asFile)
    }
}

// the InitializationValidator interface.
func ValidateInitialization(plugin Interface) error {
	if validater, ok := plugin.(InitializationValidator); ok {
		err := validater.ValidateInitialization()
		if err != nil {
			return err
		}
	}
	return nil
}

type PluginInitializers []PluginInitializer