public void run() {
for (int i = start; i <= end; ++i) {
XmlvmResource resource = allResources[i];
if (resource == null) {
continue;
}
Log.debug("JavaScriptOutputProcess: Processing " + resource.getName());
OutputFile file = generateJavaScript(resource);
file.setLocation(arguments.option_out());
String packageName = resource.getPackageName().replace('.', '_');
String resourceName = resource.getName();
Log.debug("RESOURCE NAME: " + resourceName);
String fileName = resourceName + JS_EXTENSION;
if (!packageName.isEmpty()) {
fileName = packageName + '_' + fileName;
}
file.setFileName(fileName);
resources.addOutputFile(file);
}
}
/**
* Generates the string constant pool for this application. This method iterates over all <code>
* XmlvmResources</code> and builds up a list of unique string constants. Those string constants
* are added as another <code>XmlvmResource</code> (of type <code>CONST_POOL</code>) to the
* bundle. The XML markup of the constant pool looks as follows:
*
* <pre>
* <vm:constant-pool>
* <entry id="..." length="..." encoded-constant="..." escaped-constant="..."/>
* ...
* </constant-pool>
* </pre>
*/
private void generateStringConstantPool(BundlePhase2 bundle) {
List<ConstantPoolEntry> constantPool = new ArrayList<ConstantPoolEntry>();
Map<String, Integer> constantPoolIDs = new HashMap<String, Integer>();
for (XmlvmResource resource : bundle.getResources()) {
List<XmlvmConstantStringElement> instructions = new ArrayList<XmlvmConstantStringElement>();
resource.collectInstructions(instructions);
for (XmlvmConstantStringElement inst : instructions) {
String escapedConstant = inst.getEscapedStringConstant();
String encodedConstant = inst.getEncodedStringConstant();
int len = inst.getLength();
int id = -1;
if (constantPoolIDs.containsKey(encodedConstant)) {
id = constantPoolIDs.get(encodedConstant);
} else {
id = constantPool.size();
ConstantPoolEntry entry =
new ConstantPoolEntry(id, len, escapedConstant, encodedConstant);
constantPool.add(entry);
constantPoolIDs.put(encodedConstant, id);
}
inst.setContantPoolID(id);
}
}
Element xmlRoot = new Element("constant-pool", XmlvmResource.nsXMLVM);
for (ConstantPoolEntry entry : constantPool) {
Element xmlEntry = new Element("entry", XmlvmResource.nsXMLVM);
xmlEntry.setAttribute("id", "" + entry.id);
xmlEntry.setAttribute("length", "" + entry.length);
xmlEntry.setAttribute("escaped-constant", entry.escapedString);
xmlEntry.setAttribute("encoded-constant", entry.encodedString);
xmlRoot.addContent(xmlEntry);
}
XmlvmResource resource =
new XmlvmResource(XmlvmResource.Type.CONST_POOL, new Document(xmlRoot));
bundle.addAdditionalResource(resource);
}
public boolean processPhase2(BundlePhase2 bundle) {
Map<String, XmlvmResource> mappedResources = new HashMap<String, XmlvmResource>();
for (XmlvmResource resource : bundle.getResources()) {
mappedResources.put(resource.getFullName(), resource);
}
long startTime = System.currentTimeMillis();
XmlvmResource[] allResources = mappedResources.values().toArray(new XmlvmResource[0]);
int threadCount = Runtime.getRuntime().availableProcessors();
int itemsPerThread = (int) Math.ceil(allResources.length / (float) threadCount);
Log.debug(TAG, "Threads: " + threadCount);
Log.debug(TAG, "Items per thread: " + itemsPerThread);
JavaScriptTranslationThread[] threads = new JavaScriptTranslationThread[threadCount];
// Divide work and start the threads.
for (int i = 0; i < threadCount; ++i) {
int start = i * itemsPerThread;
int end = Math.min(start + itemsPerThread - 1, allResources.length - 1);
threads[i] = new JavaScriptTranslationThread(allResources, start, end, bundle);
threads[i].start();
}
// Wait for threads to finish.
for (int i = 0; i < threadCount; ++i) {
try {
threads[i].join();
} catch (InterruptedException e) {
e.printStackTrace();
return false;
}
}
long endTime = System.currentTimeMillis();
Log.debug(TAG, "JS Processing took: " + (endTime - startTime) + " ms.");
return true;
}
protected OutputFile generateJavaScript(XmlvmResource xmlvm) {
return XsltRunner.runXSLT("xmlvm2js.xsl", xmlvm.getXmlvmDocument());
}
