public abstract class Impl implements GlobalBomModel, JavaHandlerContext<Vertex> {
private static final Logger LOG = Logging.get(MavenizeRuleProvider.class);
@Override
public void addNewerDependency(final ArchiveCoordinateModel newCoord) {
LOG.info("Adding: " + newCoord.toString());
Vertex v = this.it();
final Iterable<ArchiveCoordinateModel> existingDeps = this.getDependencies();
for (ArchiveCoordinateModel dep : existingDeps) {
LOG.info(" ---- Dep: " + dep.toString());
if (!StringUtils.equals(newCoord.getGroupId(), dep.getGroupId())) continue;
if (!StringUtils.equals(newCoord.getArtifactId(), dep.getArtifactId())) continue;
if (!StringUtils.equals(newCoord.getClassifier(), dep.getClassifier())) continue;
if (!StringUtils.equals(newCoord.getPackaging(), dep.getPackaging())) continue;
if (0 < compareVersions(newCoord.getVersion(), dep.getVersion()))
dep.setVersion(newCoord.getVersion());
return;
}
this.addDependency(newCoord);
LOG.info("Added: " + newCoord.toString());
}
/** Uses Forge's comprehension of version strings. */
private static int compareVersions(String aS, String bS) {
ComparableVersion a = new ComparableVersion(aS);
ComparableVersion b = new ComparableVersion(bS);
return b.compareTo(a);
}
}
class XmlFileEvaluateXPathFunction implements XPathFunction {
private static final Logger LOG = Logging.get(XmlFileEvaluateXPathFunction.class);
private final EvaluationStrategy evaluationStrategy;
XmlFileEvaluateXPathFunction(EvaluationStrategy evaluationStrategy) {
this.evaluationStrategy = evaluationStrategy;
}
@Override
public Object evaluate(@SuppressWarnings("rawtypes") List args) throws XPathFunctionException {
int frameIdx = ((Double) args.get(0)).intValue();
boolean expressionResult = (Boolean) args.get(1);
LOG.fine("evaluate(" + frameIdx + ", " + expressionResult + ")");
return expressionResult;
}
}
/** Contains utility methods for interacting with XML files. */
public class XmlUtil {
private static Logger LOG = Logging.get(XmlUtil.class);
protected static final Map<String, String> objs;
static {
objs = new HashMap<String, String>();
objs.put("xsi", "http://www.w3.org/2001/XMLSchema-instance");
}
/** Converts the given {@link NodeList} to a {@link String}. */
public static String nodeListToString(NodeList nodeList) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < nodeList.getLength(); i++) {
Node node = nodeList.item(i);
sb.append(nodeToString(node));
}
return sb.toString();
}
/** Converts the given {@link Node} to a {@link String}. */
public static String nodeToString(Node node) {
StringWriter sw = new StringWriter();
if (node instanceof Attr) {
Attr attr = (Attr) node;
return attr.getValue();
}
try {
Transformer t = TransformerFactory.newInstance().newTransformer();
t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
t.setOutputProperty(OutputKeys.INDENT, "yes");
t.transform(new DOMSource(node), new StreamResult(sw));
} catch (TransformerException te) {
LOG.warning("Transformer Exception: " + te.getMessage());
}
return sw.toString();
}
/** Returns the names and locations defined in this {@link Document}. */
public static Map<String, String> getSchemaLocations(Document doc) {
Set<String> namespaces = new HashSet<String>();
namespaces.addAll(LocationAwareXmlReader.getNamespaces(doc));
String schemaLocation;
try {
schemaLocation = XmlUtil.xpathExtract(doc, "//@xsi:schemaLocation", objs);
} catch (MarshallingException e) {
throw new RuntimeException("Exception extracting xpath.", e);
}
Map<String, String> result = new HashMap<String, String>();
if (StringUtils.isNotBlank(schemaLocation)) {
schemaLocation = StringUtils.trim(schemaLocation);
String[] locations = schemaLocation.split("\\s+");
for (int i = 0, j = locations.length - 1; i < j; i++) {
if (namespaces.contains(locations[i])) {
result.put(locations[i], locations[i + 1]);
}
}
}
for (String r : result.keySet()) {
namespaces.remove(r);
}
// if there are namespaces without namespace locations, load here.
if (namespaces.size() > 0) {
for (String namespace : namespaces) {
result.put(namespace, null);
}
}
return result;
}
/** Runs the given xpath and returns a boolean result. */
public static boolean xpathExists(
Node document, String xpathExpression, Map<String, String> namespaceMapping)
throws XPathException, MarshallingException {
Boolean result =
(Boolean) executeXPath(document, xpathExpression, namespaceMapping, XPathConstants.BOOLEAN);
return result != null && result;
}
/** Runs the given xpath and returns a {@link String} result. */
public static String xpathExtract(
Node document, String xpathExpression, Map<String, String> namespaceMapping)
throws XPathException, MarshallingException {
return (String)
executeXPath(document, xpathExpression, namespaceMapping, XPathConstants.STRING);
}
/** Runs the given xpath and returns a {@link NodeList} result. */
public static NodeList xpathNodeList(
Node document, String xpathExpression, Map<String, String> namespaceMapping)
throws XPathException, MarshallingException {
return (NodeList)
executeXPath(document, xpathExpression, namespaceMapping, XPathConstants.NODESET);
}
/** Runs the given xpath and returns a {@link NodeList} result. */
public static NodeList xpathNodeList(Node document, XPathExpression xpathExpression)
throws XPathException, MarshallingException {
return (NodeList) executeXPath(document, xpathExpression, XPathConstants.NODESET);
}
/** Executes the given xpath and returns the result with the type specified. */
public static Object executeXPath(
Node document, String xpathExpression, Map<String, String> namespaceMapping, QName result)
throws XPathException, MarshallingException {
NamespaceMapContext mapContext = new NamespaceMapContext(namespaceMapping);
try {
XPathFactory xPathfactory = XPathFactory.newInstance();
XPath xpath = xPathfactory.newXPath();
xpath.setNamespaceContext(mapContext);
XPathExpression expr = xpath.compile(xpathExpression);
return executeXPath(document, expr, result);
} catch (XPathExpressionException e) {
throw new XPathException("Xpath(" + xpathExpression + ") cannot be compiled", e);
} catch (Exception e) {
throw new MarshallingException("Exception unmarshalling XML.", e);
}
}
/** Executes the given {@link XPathExpression} and returns the result with the type specified. */
public static Object executeXPath(Node document, XPathExpression expr, QName result)
throws XPathException, MarshallingException {
try {
return expr.evaluate(document, result);
} catch (Exception e) {
throw new MarshallingException("Exception unmarshalling XML.", e);
}
}
}
