/**
* Generates code for tag provider class from specified configuration XML file. In order to create
* custom tag info provider, make config file and call this main method with the specified file.
* Output will be generated on the standard output. This way default tag provider (class
* DefaultTagProvider) is generated from default.xml which which is packaged in the source
* distribution.
*
* @param args
* @throws IOException
* @throws SAXException
* @throws ParserConfigurationException
*/
public static void main(String[] args)
throws IOException, SAXException, ParserConfigurationException {
final ConfigFileTagProvider provider = new ConfigFileTagProvider();
provider.generateCode = true;
File configFile = new File("default.xml");
String packagePath = "org.htmlcleaner";
String className = "DefaultTagProvider";
final ConfigParser parser = provider.new ConfigParser(provider);
System.out.println("package " + packagePath + ";");
System.out.println("import java.util.HashMap;");
System.out.println(
"public class " + className + " extends HashMap implements ITagInfoProvider {");
System.out.println("public " + className + "() {");
System.out.println("TagInfo tagInfo;");
parser.parse(new InputSource(new FileReader(configFile)));
System.out.println("}");
System.out.println("}");
}
/**
* 获取配置
*
* @return 配置
*/
public Config getConfig() {
ConfigParser configParser = new PropConfigParser();
return configParser.parse();
}
private SchemaCrawlerCommandLine(
final Config config2, final ConnectionOptions connectionOptions, final String... args)
throws SchemaCrawlerException {
if (args == null || args.length == 0) {
throw new SchemaCrawlerException("No command line arguments provided");
}
String[] remainingArgs = args;
final CommandParser commandParser = new CommandParser();
remainingArgs = commandParser.parse(remainingArgs);
if (!commandParser.hasOptions()) {
throw new SchemaCrawlerException("No command specified");
}
command = commandParser.getOptions().toString();
final OutputOptionsParser outputOptionsParser = new OutputOptionsParser();
remainingArgs = outputOptionsParser.parse(remainingArgs);
outputOptions = outputOptionsParser.getOptions();
final boolean isBundledWithDriver = config2 != null;
if (isBundledWithDriver) {
this.config = config2;
} else {
this.config = new Config();
}
if (remainingArgs.length > 0) {
final ConfigParser configParser = new ConfigParser();
remainingArgs = configParser.parse(remainingArgs);
config.putAll(configParser.getOptions());
}
if (connectionOptions != null) {
this.connectionOptions = connectionOptions;
} else if (isBundledWithDriver) {
final BaseDatabaseConnectionOptionsParser bundledDriverConnectionOptionsParser =
new BundledDriverConnectionOptionsParser(config);
remainingArgs = bundledDriverConnectionOptionsParser.parse(remainingArgs);
this.connectionOptions = bundledDriverConnectionOptionsParser.getOptions();
} else {
final CommandLineConnectionOptionsParser commandLineConnectionOptionsParser =
new CommandLineConnectionOptionsParser(config);
remainingArgs = commandLineConnectionOptionsParser.parse(remainingArgs);
ConnectionOptions parsedConnectionOptions = commandLineConnectionOptionsParser.getOptions();
if (parsedConnectionOptions == null) {
final ConfigConnectionOptionsParser configConnectionOptionsParser =
new ConfigConnectionOptionsParser(config);
remainingArgs = configConnectionOptionsParser.parse(remainingArgs);
parsedConnectionOptions = configConnectionOptionsParser.getOptions();
}
this.connectionOptions = parsedConnectionOptions;
}
final SchemaCrawlerOptionsParser schemaCrawlerOptionsParser =
new SchemaCrawlerOptionsParser(config);
remainingArgs = schemaCrawlerOptionsParser.parse(remainingArgs);
schemaCrawlerOptions = schemaCrawlerOptionsParser.getOptions();
if (remainingArgs.length > 0) {
LOGGER.log(
Level.INFO,
"Too many command line arguments provided: " + ObjectToString.toString(remainingArgs));
}
}
public void parseFile(File file) throws IOException {
if (!file.exists()) throw new IOException("File not found!");
Field[] fields = getClass().getDeclaredFields();
FileInputStream fin = new FileInputStream(file);
try {
DocumentBuilder db = DOCUMENT_BUILDER_FACTORY.newDocumentBuilder();
Document dom = db.parse(fin);
Element elm = dom.getDocumentElement();
NodeList list = elm.getChildNodes();
if (list != null && list.getLength() > 0) {
for (int i = 0; i < list.getLength(); i++) {
if (!(list.item(i) instanceof Element)) continue;
Element item = (Element) list.item(i);
String item_name = item.getNodeName();
for (Field f : fields) {
if (f.getName().equals(item_name)) {
if (isConfigItem(f)) {
if (ConfigParser.class.isAssignableFrom(f.getType())) {
ConfigParser parser = (ConfigParser) f.getType().getConstructor().newInstance();
parser.parse(item.getChildNodes());
f.setAccessible(true);
f.set(this, parser);
} else {
if (String.class.isAssignableFrom(f.getType())) {
f.setAccessible(true);
f.set(this, item.getFirstChild().getNodeValue());
} else if (Integer.class.isAssignableFrom(f.getType())
|| int.class.isAssignableFrom(f.getType())) {
f.setAccessible(true);
f.set(this, Integer.parseInt(item.getFirstChild().getNodeValue()));
} else if (Boolean.class.isAssignableFrom(f.getType())
|| boolean.class.isAssignableFrom(f.getType())) {
f.setAccessible(true);
f.set(this, item.getFirstChild().getNodeValue().toLowerCase().contains("true"));
} else if (Float.class.isAssignableFrom(f.getType())
|| float.class.isAssignableFrom(f.getType())) {
f.setAccessible(true);
f.set(this, Float.parseFloat(item.getFirstChild().getNodeValue()));
} else if (Double.class.isAssignableFrom(f.getType())
|| double.class.isAssignableFrom(f.getType())) {
f.setAccessible(true);
f.set(this, Double.parseDouble(item.getFirstChild().getNodeValue()));
} else if (Long.class.isAssignableFrom(f.getType())
|| long.class.isAssignableFrom(f.getType())) {
f.setAccessible(true);
f.set(this, Long.parseLong(item.getFirstChild().getNodeValue()));
} else if (Float.class.isAssignableFrom(f.getType())
|| float.class.isAssignableFrom(f.getType())) {
f.setAccessible(true);
f.set(this, Float.parseFloat(item.getFirstChild().getNodeValue()));
} else {
System.err.println("Cannot assign value for item \"" + item_name + "\"");
}
}
} else {
System.err.println("Unknown mapConfig item \"" + item_name + "\"");
}
break;
}
}
}
}
} catch (ParserConfigurationException e) {
throw new IOException("Error reading config file!", e);
} catch (SAXException e) {
throw new IOException("Error parsing file!", e);
} catch (IllegalAccessException e) {
throw new IOException("Error setting value for config file!", e);
} catch (NoSuchMethodException e) {
throw new IOException("Field did not have a default constructor!", e);
} catch (InstantiationException e) {
throw new IOException("Error creating new field!", e);
} catch (InvocationTargetException e) {
throw new IOException("Error invoking method to parse item!", e);
}
}