How to use

XmlUtils

in

org.apache.karaf.util

protected Document parse(File artifact) throws Exception {
  return XmlUtils.parse(artifact, new ErrorHandler() {
    public void warning(SAXParseException exception) throws SAXException {
    }
    public void error(SAXParseException exception) throws SAXException {
    }
    public void fatalError(SAXParseException exception) throws SAXException {
      throw exception;
    }
  });
}

public static void transform(Source xmlSource, Result outputTarget) throws TransformerException {
  Transformer t = transformer();
  try {
    t.transform(xmlSource, outputTarget);
  } finally {
    t.reset();
  }
}

public static Set<String> analyze(Source source) throws Exception {
  Set<String> refers = new TreeSet<>();
  ByteArrayOutputStream bout = new ByteArrayOutputStream();
  Result r = new StreamResult(bout);
  XmlUtils.transform(new StreamSource(SpringTransformer.class.getResourceAsStream("extract.xsl")), source, r);
  ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
  bout.close();
  BufferedReader br = new BufferedReader(new InputStreamReader(bin));
  String line = br.readLine();
  while (line != null) {
    line = line.trim();
    if (line.length() > 0) {
      String parts[] = line.split("\\s*,\\s*");
      for (String part : parts) {
        int n = part.lastIndexOf('.');
        if (n > 0) {
          String pkg = part.substring(0, n);
          if (!pkg.startsWith("java.")) {
            refers.add(part.substring(0, n));
          }
        }
      }
    }
    line = br.readLine();
  }
  br.close();
  return refers;
}

public static Document parse(String uri) throws TransformerException, IOException, SAXException, ParserConfigurationException {
  DocumentBuilder db = documentBuilder();
  try {
    return db.parse(uri);
  } finally {
    db.reset();
  }
}

private static Features unmarshalNoValidate(String uri, InputStream stream) {
  try {
    Unmarshaller unmarshaller = FEATURES_CONTEXT.createUnmarshaller();
    NoSourceAndNamespaceFilter xmlFilter = new NoSourceAndNamespaceFilter(XmlUtils.xmlReader());
    xmlFilter.setContentHandler(unmarshaller.getUnmarshallerHandler());
    InputSource is = new InputSource(uri);
    if (stream != null) {
      is.setByteStream(stream);
    }
    SAXSource source = new SAXSource(xmlFilter, is);
    Features features = (Features) unmarshaller.unmarshal(source);
    features.setNamespace(xmlFilter.getNamespace());
    return features;
  } catch (RuntimeException e) {
    throw e;
  } catch (Exception e) {
    throw new RuntimeException("Unable to load " + uri, e);
  }
}

public static Set<String> analyze(Source source) throws Exception {
  Set<String> refers = new TreeSet<String>();
  ByteArrayOutputStream bout = new ByteArrayOutputStream();
  Result r = new StreamResult(bout);
  XmlUtils.transform(new StreamSource(BlueprintTransformer.class.getResourceAsStream("extract.xsl")), source, r);
  ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
  bout.close();
  BufferedReader br = new BufferedReader(new InputStreamReader(bin));
  String line = br.readLine();
  while (line != null) {
    line = line.trim();
    if (line.length() > 0) {
      String parts[] = line.split("\\s*,\\s*");
      for (String part : parts) {
        int n = part.lastIndexOf('.');
        if (n > 0) {
          String pkg = part.substring(0, n);
          if (!pkg.startsWith("java.")) {
            refers.add(pkg);
          }
        }
      }
    }
    line = br.readLine();
  }
  br.close();
  return refers;
}

public static Document parse(File f, ErrorHandler errorHandler) throws TransformerException, IOException, SAXException, ParserConfigurationException {
  DocumentBuilder db = documentBuilder();
  db.setErrorHandler(errorHandler);
  try {
    return db.parse(f);
  } finally {
    db.reset();
  }
}

protected Document parse(File artifact) throws Exception {
  return XmlUtils.parse(artifact, new ErrorHandler() {
    public void warning(SAXParseException exception) throws SAXException {
    }
    public void error(SAXParseException exception) throws SAXException {
    }
    public void fatalError(SAXParseException exception) throws SAXException {
      throw exception;
    }
  });
}

public static Set<String> analyze(Source source) throws Exception {
  Set<String> refers = new TreeSet<String>();
  ByteArrayOutputStream bout = new ByteArrayOutputStream();
  Result r = new StreamResult(bout);
  XmlUtils.transform(new StreamSource(BlueprintTransformer.class.getResourceAsStream("extract.xsl")), source, r);
  ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
  bout.close();
  BufferedReader br = new BufferedReader(new InputStreamReader(bin));
  String line = br.readLine();
  while (line != null) {
    line = line.trim();
    if (line.length() > 0) {
      String parts[] = line.split("\\s*,\\s*");
      for (String part : parts) {
        int n = part.lastIndexOf('.');
        if (n > 0) {
          String pkg = part.substring(0, n);
          if (!pkg.startsWith("java.")) {
            refers.add(pkg);
          }
        }
      }
    }
    line = br.readLine();
  }
  br.close();
  return refers;
}

public static Document parse(InputStream stream) throws TransformerException, IOException, SAXException, ParserConfigurationException {
  DocumentBuilder db = documentBuilder();
  try {
    return db.parse(stream);
  } finally {
    db.reset();
  }
}

public static void transform(Source xsltSource, Source xmlSource, Result outputTarget) throws TransformerException {
  Transformer t = transformer(xsltSource);
  try {
    t.transform(xmlSource, outputTarget);
  } finally {
    t.reset();
  }
}

protected static Document parse(URL url) throws Exception {
  try (InputStream is = url.openStream()) {
    return XmlUtils.parse(is);
  }
}

out.putNextEntry(e);
XmlUtils.transform(new DOMSource(doc), new StreamResult(out));
out.closeEntry();
out.close();

public static Document parse(File f) throws TransformerException, IOException, SAXException, ParserConfigurationException {
  DocumentBuilder db = documentBuilder();
  try {
    return db.parse(f);
  } finally {
    db.reset();
  }
}

protected static Document parse(URL url) throws Exception {
  try (InputStream is = url.openStream()) {
    return XmlUtils.parse(is);
  }
}

out.putNextEntry(e);
XmlUtils.transform(new DOMSource(doc), new StreamResult(out));
out.closeEntry();
out.close();

protected static Document parse(URL url) throws Exception {
  try (InputStream is = url.openStream()) {
    return XmlUtils.parse(is);
  }
}

out.putNextEntry(e);
XmlUtils.transform(new DOMSource(doc), new StreamResult(out));
out.closeEntry();
out.close();

Document doc;
if (stream != null) {
  doc = XmlUtils.parse(stream);
  doc.setDocumentURI(uri);
} else {
  doc = XmlUtils.parse(uri);