/**
* Create a canonical name for a webapp temp directory. The form of the name is: <code>
* "Jetty_"+host+"_"+port+"__"+resourceBase+"_"+context+"_"+virtualhost+base36_hashcode_of_whole_string
* </code> host and port uniquely identify the server context and virtual host uniquely identify
* the webapp
*
* @return the canonical name for the webapp temp directory
*/
public static String getCanonicalNameForWebAppTmpDir(WebAppContext context) {
StringBuffer canonicalName = new StringBuffer();
canonicalName.append("jetty-");
// get the host and the port from the first connector
Server server = context.getServer();
if (server != null) {
Connector[] connectors = context.getServer().getConnectors();
if (connectors.length > 0) {
// Get the host
String host = (connectors == null || connectors[0] == null ? "" : connectors[0].getHost());
if (host == null) host = "0.0.0.0";
canonicalName.append(host);
// Get the port
canonicalName.append("-");
// try getting the real port being listened on
int port = (connectors == null || connectors[0] == null ? 0 : connectors[0].getLocalPort());
// if not available (eg no connectors or connector not started),
// try getting one that was configured.
if (port < 0) port = connectors[0].getPort();
canonicalName.append(port);
canonicalName.append("-");
}
}
// Resource base
try {
Resource resource = context.getBaseResource();
if (resource == null) {
if (context.getWar() == null || context.getWar().length() == 0)
resource = context.newResource(context.getResourceBase());
// Set dir or WAR
resource = context.newResource(context.getWar());
}
String tmp = URIUtil.decodePath(resource.getURL().getPath());
if (tmp.endsWith("/")) tmp = tmp.substring(0, tmp.length() - 1);
if (tmp.endsWith("!")) tmp = tmp.substring(0, tmp.length() - 1);
// get just the last part which is the filename
int i = tmp.lastIndexOf("/");
canonicalName.append(tmp.substring(i + 1, tmp.length()));
canonicalName.append("-");
} catch (Exception e) {
LOG.warn("Can't generate resourceBase as part of webapp tmp dir name", e);
}
// Context name
String contextPath = context.getContextPath();
contextPath = contextPath.replace('/', '_');
contextPath = contextPath.replace('\\', '_');
canonicalName.append(contextPath);
// Virtual host (if there is one)
canonicalName.append("-");
String[] vhosts = context.getVirtualHosts();
if (vhosts == null || vhosts.length <= 0) canonicalName.append("any");
else canonicalName.append(vhosts[0]);
// sanitize
for (int i = 0; i < canonicalName.length(); i++) {
char c = canonicalName.charAt(i);
if (!Character.isJavaIdentifierPart(c) && "-.".indexOf(c) < 0)
canonicalName.setCharAt(i, '.');
}
canonicalName.append("-");
return canonicalName.toString();
}
public void unpack(WebAppContext context) throws IOException {
Resource web_app = context.getBaseResource();
_preUnpackBaseResource = context.getBaseResource();
if (web_app == null) {
String war = context.getWar();
if (war != null && war.length() > 0) web_app = context.newResource(war);
else web_app = context.getBaseResource();
// Accept aliases for WAR files
if (web_app.getAlias() != null) {
LOG.debug(web_app + " anti-aliased to " + web_app.getAlias());
web_app = context.newResource(web_app.getAlias());
}
if (LOG.isDebugEnabled())
LOG.debug(
"Try webapp="
+ web_app
+ ", exists="
+ web_app.exists()
+ ", directory="
+ web_app.isDirectory()
+ " file="
+ (web_app.getFile()));
// Is the WAR usable directly?
if (web_app.exists() && !web_app.isDirectory() && !web_app.toString().startsWith("jar:")) {
// No - then lets see if it can be turned into a jar URL.
Resource jarWebApp = JarResource.newJarResource(web_app);
if (jarWebApp.exists() && jarWebApp.isDirectory()) web_app = jarWebApp;
}
// If we should extract or the URL is still not usable
if (web_app.exists()
&& ((context.isCopyWebDir()
&& web_app.getFile() != null
&& web_app.getFile().isDirectory())
|| (context.isExtractWAR()
&& web_app.getFile() != null
&& !web_app.getFile().isDirectory())
|| (context.isExtractWAR() && web_app.getFile() == null)
|| !web_app.isDirectory())) {
// Look for sibling directory.
File extractedWebAppDir = null;
if (war != null) {
// look for a sibling like "foo/" to a "foo.war"
File warfile = Resource.newResource(war).getFile();
if (warfile != null && warfile.getName().toLowerCase(Locale.ENGLISH).endsWith(".war")) {
File sibling =
new File(
warfile.getParent(),
warfile.getName().substring(0, warfile.getName().length() - 4));
if (sibling.exists() && sibling.isDirectory() && sibling.canWrite())
extractedWebAppDir = sibling;
}
}
if (extractedWebAppDir == null)
// Then extract it if necessary to the temporary location
extractedWebAppDir = new File(context.getTempDirectory(), "webapp");
if (web_app.getFile() != null && web_app.getFile().isDirectory()) {
// Copy directory
LOG.info("Copy " + web_app + " to " + extractedWebAppDir);
web_app.copyTo(extractedWebAppDir);
} else {
// Use a sentinel file that will exist only whilst the extraction is taking place.
// This will help us detect interrupted extractions.
File extractionLock = new File(context.getTempDirectory(), ".extract_lock");
if (!extractedWebAppDir.exists()) {
// it hasn't been extracted before so extract it
extractionLock.createNewFile();
extractedWebAppDir.mkdir();
LOG.info("Extract " + web_app + " to " + extractedWebAppDir);
Resource jar_web_app = JarResource.newJarResource(web_app);
jar_web_app.copyTo(extractedWebAppDir);
extractionLock.delete();
} else {
// only extract if the war file is newer, or a .extract_lock file is left behind meaning
// a possible partial extraction
if (web_app.lastModified() > extractedWebAppDir.lastModified()
|| extractionLock.exists()) {
extractionLock.createNewFile();
IO.delete(extractedWebAppDir);
extractedWebAppDir.mkdir();
LOG.info("Extract " + web_app + " to " + extractedWebAppDir);
Resource jar_web_app = JarResource.newJarResource(web_app);
jar_web_app.copyTo(extractedWebAppDir);
extractionLock.delete();
}
}
}
web_app = Resource.newResource(extractedWebAppDir.getCanonicalPath());
}
// Now do we have something usable?
if (!web_app.exists() || !web_app.isDirectory()) {
LOG.warn("Web application not found " + war);
throw new java.io.FileNotFoundException(war);
}
context.setBaseResource(web_app);
if (LOG.isDebugEnabled()) LOG.debug("webapp=" + web_app);
}
// Do we need to extract WEB-INF/lib?
if (context.isCopyWebInf() && !context.isCopyWebDir()) {
Resource web_inf = web_app.addPath("WEB-INF/");
File extractedWebInfDir = new File(context.getTempDirectory(), "webinf");
if (extractedWebInfDir.exists()) IO.delete(extractedWebInfDir);
extractedWebInfDir.mkdir();
Resource web_inf_lib = web_inf.addPath("lib/");
File webInfDir = new File(extractedWebInfDir, "WEB-INF");
webInfDir.mkdir();
if (web_inf_lib.exists()) {
File webInfLibDir = new File(webInfDir, "lib");
if (webInfLibDir.exists()) IO.delete(webInfLibDir);
webInfLibDir.mkdir();
LOG.info("Copying WEB-INF/lib " + web_inf_lib + " to " + webInfLibDir);
web_inf_lib.copyTo(webInfLibDir);
}
Resource web_inf_classes = web_inf.addPath("classes/");
if (web_inf_classes.exists()) {
File webInfClassesDir = new File(webInfDir, "classes");
if (webInfClassesDir.exists()) IO.delete(webInfClassesDir);
webInfClassesDir.mkdir();
LOG.info(
"Copying WEB-INF/classes from "
+ web_inf_classes
+ " to "
+ webInfClassesDir.getAbsolutePath());
web_inf_classes.copyTo(webInfClassesDir);
}
web_inf = Resource.newResource(extractedWebInfDir.getCanonicalPath());
ResourceCollection rc = new ResourceCollection(web_inf, web_app);
if (LOG.isDebugEnabled()) LOG.debug("context.resourcebase = " + rc);
context.setBaseResource(rc);
}
}
