@Override
public void deconfigure(WebAppContext context) throws Exception {
// delete temp directory if we had to create it or if it isn't called work
Boolean tmpdirConfigured = (Boolean) context.getAttribute(TEMPDIR_CONFIGURED);
if (context.getTempDirectory() != null
&& (tmpdirConfigured == null || !tmpdirConfigured.booleanValue())
&& !isTempWorkDirectory(context.getTempDirectory())) {
IO.delete(context.getTempDirectory());
context.setTempDirectory(null);
// clear out the context attributes for the tmp dir only if we had to
// create the tmp dir
context.setAttribute(TEMPDIR_CONFIGURED, null);
context.setAttribute(WebAppContext.TEMPDIR, null);
}
// reset the base resource back to what it was before we did any unpacking of resources
context.setBaseResource(_preUnpackBaseResource);
}
@Override
public void postConfigure(WebAppContext context) throws Exception {
context.setAttribute(FRAGMENT_RESOURCES, null);
}
/**
* Get a temporary directory in which to unpack the war etc etc. The algorithm for determining
* this is to check these alternatives in the order shown:
*
* <p>A. Try to use an explicit directory specifically for this webapp:
*
* <ol>
* <li>Iff an explicit directory is set for this webapp, use it. Do NOT set delete on exit.
* <li>Iff javax.servlet.context.tempdir context attribute is set for this webapp && exists &&
* writeable, then use it. Do NOT set delete on exit.
* </ol>
*
* <p>B. Create a directory based on global settings. The new directory will be called
* "Jetty_"+host+"_"+port+"__"+context+"_"+virtualhost Work out where to create this directory:
*
* <ol>
* <li>Iff $(jetty.home)/work exists create the directory there. Do NOT set delete on exit. Do
* NOT delete contents if dir already exists.
* <li>Iff WEB-INF/work exists create the directory there. Do NOT set delete on exit. Do NOT
* delete contents if dir already exists.
* <li>Else create dir in $(java.io.tmpdir). Set delete on exit. Delete contents if dir already
* exists.
* </ol>
*/
public void resolveTempDirectory(WebAppContext context) {
// If a tmp directory is already set, we're done
File tmpDir = context.getTempDirectory();
if (tmpDir != null && tmpDir.isDirectory() && tmpDir.canWrite()) {
context.setAttribute(TEMPDIR_CONFIGURED, Boolean.TRUE);
return; // Already have a suitable tmp dir configured
}
// No temp directory configured, try to establish one.
// First we check the context specific, javax.servlet specified, temp directory attribute
File servletTmpDir = asFile(context.getAttribute(WebAppContext.TEMPDIR));
if (servletTmpDir != null && servletTmpDir.isDirectory() && servletTmpDir.canWrite()) {
// Use as tmpDir
tmpDir = servletTmpDir;
// Ensure Attribute has File object
context.setAttribute(WebAppContext.TEMPDIR, tmpDir);
// Set as TempDir in context.
context.setTempDirectory(tmpDir);
return;
}
try {
// Put the tmp dir in the work directory if we had one
File work = new File(System.getProperty("jetty.home"), "work");
if (work.exists() && work.canWrite() && work.isDirectory()) {
makeTempDirectory(
work, context, false); // make a tmp dir inside work, don't delete if it exists
} else {
File baseTemp = asFile(context.getAttribute(WebAppContext.BASETEMPDIR));
if (baseTemp != null && baseTemp.isDirectory() && baseTemp.canWrite()) {
// Use baseTemp directory (allow the funky Jetty_0_0_0_0.. subdirectory logic to kick in
makeTempDirectory(baseTemp, context, false);
} else {
makeTempDirectory(
new File(System.getProperty("java.io.tmpdir")),
context,
true); // make a tmpdir, delete if it already exists
}
}
} catch (Exception e) {
tmpDir = null;
LOG.ignore(e);
}
// Third ... Something went wrong trying to make the tmp directory, just make
// a jvm managed tmp directory
if (context.getTempDirectory() == null) {
try {
// Last resort
tmpDir = File.createTempFile("JettyContext", "");
if (tmpDir.exists()) IO.delete(tmpDir);
tmpDir.mkdir();
tmpDir.deleteOnExit();
context.setTempDirectory(tmpDir);
} catch (IOException e) {
tmpDir = null;
throw new IllegalStateException(
"Cannot create tmp dir in "
+ System.getProperty("java.io.tmpdir")
+ " for context "
+ context,
e);
}
}
}
/** Resolve all servlet/filter/listener metadata from all sources: descriptors and annotations. */
public void resolve(WebAppContext context) throws Exception {
LOG.debug("metadata resolve {}", context);
// Ensure origins is fresh
_origins.clear();
// Set the ordered lib attribute
if (_ordering != null) {
List<String> orderedLibs = new ArrayList<String>();
for (Resource webInfJar : _orderedWebInfJars) {
// get just the name of the jar file
String fullname = webInfJar.getName();
int i = fullname.indexOf(".jar");
int j = fullname.lastIndexOf("/", i);
orderedLibs.add(fullname.substring(j + 1, i + 4));
}
context.setAttribute(ServletContext.ORDERED_LIBS, orderedLibs);
}
// set the webxml version
if (_webXmlRoot != null) {
context.getServletContext().setEffectiveMajorVersion(_webXmlRoot.getMajorVersion());
context.getServletContext().setEffectiveMinorVersion(_webXmlRoot.getMinorVersion());
}
for (DescriptorProcessor p : _descriptorProcessors) {
p.process(context, getWebDefault());
p.process(context, getWebXml());
for (WebDescriptor wd : getOverrideWebs()) {
LOG.debug("process {} {}", context, wd);
p.process(context, wd);
}
}
// get an apply the annotations that are not associated with a fragment (and hence for
// which no ordering applies
List<DiscoveredAnnotation> nonFragAnnotations = _annotations.get(NON_FRAG_RESOURCE);
if (nonFragAnnotations != null) {
for (DiscoveredAnnotation a : nonFragAnnotations) {
LOG.debug("apply {}", a);
a.apply();
}
}
// apply the annotations that are associated with a fragment, according to the
// established ordering
List<Resource> resources = getOrderedWebInfJars();
for (Resource r : resources) {
FragmentDescriptor fd = _webFragmentResourceMap.get(r);
if (fd != null) {
for (DescriptorProcessor p : _descriptorProcessors) {
LOG.debug("process {} {}", context, fd);
p.process(context, fd);
}
}
List<DiscoveredAnnotation> fragAnnotations = _annotations.get(r);
if (fragAnnotations != null) {
for (DiscoveredAnnotation a : fragAnnotations) {
LOG.debug("apply {}", a);
a.apply();
}
}
}
}