Mini Shell

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# Authors:  Michal Srb <msrb@redhat.com>

from javapackages.maven.artifact import AbstractArtifact, ArtifactFormatException
import javapackages.maven.pomreader as POMReader


class Extension(AbstractArtifact):

    def __init__(self, groupId, artifactId, version=""):
        self.groupId = groupId.strip()
        self.artifactId = artifactId.strip()
        self.version = version.strip()

    @classmethod
    def from_xml_element(cls, xmlnode):
        """
        Create Extension from xml.etree.ElementTree.Element as contained
        within pom.xml.
        """

        parts = {'groupId': '', 'artifactId': '', 'version': ''}
        parts = POMReader.find_parts(xmlnode, parts)

        if not parts['groupId'] or not parts['artifactId']:
            raise ArtifactFormatException(
                "Empty groupId or artifactId encountered. "
                "This is a bug, please report it!")

        return cls(parts['groupId'], parts['artifactId'], parts['version'])

    @classmethod
    def from_mvn_str(cls, mvnstr):
        """
        Create Extension from Maven-style definition

        The string should be in the format of:
           groupId:artifactId
        """
        p = cls.get_parts_from_mvn_str(mvnstr)
        return cls(p['groupId'], p['artifactId'], p['version'])