/** Main method to check file syntax. */
public static void main(String[] args) {
// String filename =
// "E:/programs/jakarta-tomcat/webapps/wtiles-struts/WEB-INF/tiles-examples-defs.xml";
String filename =
"E:/programs/jakarta-tomcat-4.0.3/webapps/wtiles-struts/WEB-INF/tiles-examples-defs.xml";
// String filename =
// "E:/programs/jakarta-tomcat/webapps/wtiles-struts/WEB-INF/tilesDefinitions.xml";
// String filename =
// "E:/programs/jakarta-tomcat/webapps/wtiles-channel/WEB-INF/componentDefinitions.xml";
// String filename2 =
// "E:/programs/jakarta-tomcat/webapps/wtiles-tutorial/WEB-INF/componentDefinitions.xml";
if (args.length > 1) {
filename = args[1];
} // end if
System.out.println("Read file '" + filename + "'");
InputStream input = null;
// InputStream input2 = null;
// Open file
try {
input = new BufferedInputStream(new FileInputStream(filename));
// input2 = new BufferedInputStream(
// new FileInputStream( filename2) );
} catch (IOException ex) {
System.out.println("can't open file '" + filename + "' : " + ex.getMessage());
}
// Check file syntax
try {
XmlParser parser = new XmlParser();
parser.setValidating(true);
XmlDefinitionsSet definitions = new XmlDefinitionsSet();
System.out.println(" Parse file");
parser.parse(input, definitions);
// System.out.println( " Check file 2" );
// parser.parse( input2, definitions);
System.out.println(" done.");
System.out.println(" Result : " + definitions.toString());
} catch (Exception ex) {
System.out.println("Error during parsing '" + filename + "' : " + ex.getMessage());
ex.printStackTrace();
}
}
/**
* Resolve inheritance. First, resolve parent's inheritance, then set path to the parent's path.
* Also copy attributes setted in parent, and not set in child If instance doesn't extend
* anything, do nothing.
*
* @throws NoSuchDefinitionException If an inheritance can not be solved.
*/
public void resolveInheritance(XmlDefinitionsSet definitionsSet)
throws NoSuchDefinitionException {
// Already done, or not needed ?
if (isVisited || !isExtending()) return;
if (log.isDebugEnabled())
log.debug(
"Resolve definition for child name='" + getName() + "' extends='" + getExtends() + "'.");
// Set as visited to avoid endless recurisvity.
setIsVisited(true);
// Resolve parent before itself.
XmlDefinition parent = definitionsSet.getDefinition(getExtends());
if (parent == null) { // error
String msg =
"Error while resolving definition inheritance: child '"
+ getName()
+ "' can't find its ancestor '"
+ getExtends()
+ "'. Please check your description file.";
log.error(msg);
// to do : find better exception
throw new NoSuchDefinitionException(msg);
}
parent.resolveInheritance(definitionsSet);
// Iterate on each parent's attribute and add it if not defined in child.
Iterator parentAttributes = parent.getAttributes().keySet().iterator();
while (parentAttributes.hasNext()) {
String name = (String) parentAttributes.next();
if (!getAttributes().containsKey(name)) putAttribute(name, parent.getAttribute(name));
}
// Set path and role if not setted
if (path == null) setPath(parent.getPath());
if (role == null) setRole(parent.getRole());
if (controller == null) {
setController(parent.getController());
setControllerType(parent.getControllerType());
}
}
