public Document newDocument() throws SAXException {
Document docResult = null;
try {
DocumentBuilderFactory factory = XmlParser.createDocumentBuilderFactory();
DocumentBuilder builder = factory.newDocumentBuilder();
builder.setErrorHandler(new ErrorHandler());
docResult = builder.newDocument();
} catch (ParserConfigurationException e) {
throw new SAXException(e);
}
return docResult;
}
public Document readDocument(Object source, Node after) throws IOException, SAXException {
Document docResult = null;
try {
DocumentBuilderFactory factory = XmlParser.createDocumentBuilderFactory();
DocumentBuilder builder = factory.newDocumentBuilder();
builder.setErrorHandler(new ErrorHandler());
File f = null;
if (source instanceof String) {
f = new File((String) source);
docResult = builder.parse(f);
} else if (source instanceof InputStream) {
docResult = builder.parse((InputStream) source);
}
Node nodeRoot = docResult.getFirstChild();
// //////////////////////////////////////////////////////
// Make sure we have a DBSetup XML file.
// This is dumb, because there could be an XML comment before
// the root element. The root node is not the same thing as the
// root element.
if (nodeRoot.getNodeName().equalsIgnoreCase("Covalent.DBSetup") == false) {
if (source instanceof String) {
throw new IOException(source.toString() + " is not a DBSetup XML file.");
} else {
throw new IOException("Source is not a DBSetup XML file.");
}
}
// ///////////////////////////////////////////////////////
// Look for include tags
NodeList listNodes = nodeRoot.getChildNodes();
for (int iNode = 0; iNode < listNodes.getLength(); iNode++) {
Node node = listNodes.item(iNode);
if (node.getNodeName().equalsIgnoreCase("include") == true) {
NamedNodeMap map = node.getAttributes();
for (int iAttr = 0; iAttr < map.getLength(); iAttr++) {
Node nodeMap = map.item(iAttr);
if (nodeMap.getNodeName().equalsIgnoreCase("file") == true) {
File fileInclude = new File(nodeMap.getNodeValue());
if (fileInclude.isAbsolute() == false) {
if (!(source instanceof String)) {
throw new IOException("Cannot resolve paths" + " relative to a " + "stream.");
}
String strPath = f.getAbsolutePath();
int iIndex = strPath.lastIndexOf(File.separatorChar);
strPath = strPath.substring(0, iIndex);
fileInclude = new File(strPath + File.separatorChar + fileInclude.getPath());
}
this.readDocument(fileInclude.getAbsolutePath(), node);
nodeRoot.removeChild(node);
}
}
} else if (after != null) DBSetup.importNodeAfter(after, node, true);
}
} catch (ParserConfigurationException e) {
throw new SAXException(e);
}
return docResult;
}