/**
* Adds the contents of the given stream to the data base. The stream have to contain key value
* pairs as declared by the DTD langpack.dtd.
*
* @param in an InputStream to read the translation from.
* @throws Exception
*/
public void add(InputStream in) throws Exception {
// Initialises the parser
StdXMLParser parser = new StdXMLParser();
parser.setBuilder(XMLBuilderFactory.createXMLBuilder());
parser.setReader(new StdXMLReader(in));
parser.setValidator(new NonValidator());
// We get the data
XMLElement data = (XMLElement) parser.parse();
// We check the data
if (!"langpack".equalsIgnoreCase(data.getName()))
throw new Exception("this is not an IzPack XML langpack file");
// We fill the Hashtable
Vector children = data.getChildren();
int size = children.size();
for (int i = 0; i < size; i++) {
XMLElement e = (XMLElement) children.get(i);
String text = e.getContent();
if (text != null && !"".equals(text)) {
put(e.getAttribute("id"), text.trim());
} else {
put(e.getAttribute("id"), e.getAttribute("txt"));
}
}
}
/**
* Returns whether the value to the given attribute is "yes" or not. If the attribute does not
* exist, or the value is not "yes" and not "no", the default value is returned.
*
* @param element the XML element which contains the attribute
* @param attribute the name of the attribute
* @param defaultValue the default value
* @return whether the value to the given attribute is "yes" or not
*/
public boolean isAttributeYes(XMLElement element, String attribute, boolean defaultValue) {
String value = element.getAttribute(attribute, (defaultValue ? YES : NO));
if (value.equalsIgnoreCase(YES)) return true;
if (value.equalsIgnoreCase(NO)) return false;
return defaultValue;
}
/**
* Returns the attribute for the given attribute name. If no attribute exist, an
* InstallerException with a detail message is thrown.
*
* @param element XML element which should contain the attribute
* @param attrName key of the attribute
* @return the attribute as string
* @throws Exception
*/
public String getRequiredAttribute(XMLElement element, String attrName)
throws InstallerException {
String attr = element.getAttribute(attrName);
if (attr == null) {
parseError(element, "<" + element.getName() + "> requires attribute '" + attrName + "'.");
}
return (attr);
}
/**
* Returns a XML element which represents the pack for the given name.
*
* @param packDestName name of the pack which should be returned
* @return a XML element which represents the pack for the given name
*/
public XMLElement getPackForName(String packDestName) {
Vector packs = getSpec().getChildrenNamed(PACK_KEY);
Iterator iter = null;
if (packs == null) return (null);
iter = packs.iterator();
while (iter.hasNext()) {
XMLElement pack = (XMLElement) iter.next();
String packName = pack.getAttribute(PACK_NAME);
if (packName.equals(packDestName)) return (pack);
}
return (null);
}
/** helper: process a <code><classpath></code> tag. */
private void changeClassPath(ArrayList classpath, XMLElement child) throws Exception {
String add = child.getAttribute("add");
if (add != null) {
add = this.vs.substitute(add, "plain");
if (!new File(add).exists()) {
if (!this.handler.emitWarning(
"Invalid classpath", "The path " + add + " could not be found.\nCompilation may fail."))
throw new Exception("Classpath " + add + " does not exist.");
} else {
classpath.add(this.vs.substitute(add, "plain"));
}
}
String sub = child.getAttribute("sub");
if (sub != null) {
int cpidx = -1;
sub = this.vs.substitute(sub, "plain");
do {
cpidx = classpath.indexOf(sub);
classpath.remove(cpidx);
} while (cpidx >= 0);
}
}
// helper function
private void readChoices(XMLElement element, ArrayList result) {
Vector choices = element.getChildrenNamed("choice");
if (choices == null) return;
result.clear();
Iterator choice_it = choices.iterator();
while (choice_it.hasNext()) {
XMLElement choice = (XMLElement) choice_it.next();
String value = choice.getAttribute("value");
if (value != null) {
List osconstraints = OsConstraint.getOsList(choice);
if (OsConstraint.oneMatchesCurrentSystem(osconstraints)) {
result.add(this.vs.substitute(value, "plain"));
}
}
}
}
private CompilationJob collectJobsRecursive(XMLElement node, ArrayList classpath)
throws Exception {
Enumeration toplevel_tags = node.enumerateChildren();
ArrayList ourclasspath = (ArrayList) classpath.clone();
ArrayList files = new ArrayList();
while (toplevel_tags.hasMoreElements()) {
XMLElement child = (XMLElement) toplevel_tags.nextElement();
if (child.getName().equals("classpath")) {
changeClassPath(ourclasspath, child);
} else if (child.getName().equals("job")) {
CompilationJob subjob = collectJobsRecursive(child, ourclasspath);
if (subjob != null) this.jobs.add(subjob);
} else if (child.getName().equals("directory")) {
String name = child.getAttribute("name");
if (name != null) {
// substitute variables
String finalname = this.vs.substitute(name, "plain");
files.addAll(scanDirectory(new File(finalname)));
}
} else if (child.getName().equals("file")) {
String name = child.getAttribute("name");
if (name != null) {
// substitute variables
String finalname = this.vs.substitute(name, "plain");
files.add(new File(finalname));
}
} else if (child.getName().equals("packdepency")) {
String name = child.getAttribute("name");
if (name == null) {
System.out.println("invalid compilation spec: <packdepency> without name attribute");
return null;
}
// check whether the wanted pack was selected for installation
Iterator pack_it = this.idata.selectedPacks.iterator();
boolean found = false;
while (pack_it.hasNext()) {
com.izforge.izpack.Pack pack = (com.izforge.izpack.Pack) pack_it.next();
if (pack.name.equals(name)) {
found = true;
break;
}
}
if (!found) {
Debug.trace("skipping job because pack " + name + " was not selected.");
return null;
}
}
}
if (files.size() > 0)
return new CompilationJob(
this.handler,
this.idata.langpack,
(String) node.getAttribute("name"),
files,
ourclasspath);
return null;
}
