/** Executes the compilation. */
@Override
public void execute() {
if (log.isDebugEnabled()) {
log.debug("execute() starting for " + pages.size() + " pages.");
}
try {
if (uriRoot == null) {
if (pages.size() == 0) {
throw new JasperException(Localizer.getMessage("jsp.error.jspc.missingTarget"));
}
String firstJsp = pages.get(0);
File firstJspF = new File(firstJsp);
if (!firstJspF.exists()) {
throw new JasperException(Localizer.getMessage("jspc.error.fileDoesNotExist", firstJsp));
}
locateUriRoot(firstJspF);
}
if (uriRoot == null) {
throw new JasperException(Localizer.getMessage("jsp.error.jspc.no_uriroot"));
}
File uriRootF = new File(uriRoot);
if (!uriRootF.isDirectory()) {
throw new JasperException(Localizer.getMessage("jsp.error.jspc.uriroot_not_dir"));
}
if (loader == null) {
loader = initClassLoader();
}
if (context == null) {
initServletContext(loader);
}
// No explicit pages, we'll process all .jsp in the webapp
if (pages.size() == 0) {
scanFiles(uriRootF);
}
initWebXml();
Iterator<String> iter = pages.iterator();
while (iter.hasNext()) {
String nextjsp = iter.next().toString();
File fjsp = new File(nextjsp);
if (!fjsp.isAbsolute()) {
fjsp = new File(uriRootF, nextjsp);
}
if (!fjsp.exists()) {
if (log.isWarnEnabled()) {
log.warn(Localizer.getMessage("jspc.error.fileDoesNotExist", fjsp.toString()));
}
continue;
}
String s = fjsp.getAbsolutePath();
if (s.startsWith(uriRoot)) {
nextjsp = s.substring(uriRoot.length());
}
if (nextjsp.startsWith("." + File.separatorChar)) {
nextjsp = nextjsp.substring(2);
}
processFile(nextjsp);
}
completeWebXml();
if (addWebXmlMappings) {
mergeIntoWebXml();
}
} catch (IOException ioe) {
throw new BuildException(ioe);
} catch (JasperException je) {
Throwable rootCause = je;
while (rootCause instanceof JasperException
&& ((JasperException) rootCause).getRootCause() != null) {
rootCause = ((JasperException) rootCause).getRootCause();
}
if (rootCause != je) {
rootCause.printStackTrace();
}
throw new BuildException(je);
} finally {
if (loader != null) {
LogFactory.release(loader);
}
}
}
/**
* Release any internal references to previously created {@link LogFactory} instances, after
* calling the instance method <code>release()</code> on each of them. This is useful in
* environments like servlet containers, which implement application reloading by throwing away a
* ClassLoader. Dangling references to objects in that class loader would prevent garbage
* collection.
*/
public static void releaseAll() {
singleton.release();
}