/
WebAppContext.java
1655 lines (1469 loc) · 55.5 KB
/
WebAppContext.java
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//
// ========================================================================
// Copyright (c) 1995-2021 Mort Bay Consulting Pty Ltd and others.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.webapp;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.security.PermissionCollection;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.EventListener;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.servlet.ServletContext;
import javax.servlet.ServletRegistration.Dynamic;
import javax.servlet.ServletSecurityElement;
import javax.servlet.http.HttpSessionActivationListener;
import javax.servlet.http.HttpSessionAttributeListener;
import javax.servlet.http.HttpSessionBindingListener;
import javax.servlet.http.HttpSessionIdListener;
import javax.servlet.http.HttpSessionListener;
import org.eclipse.jetty.security.ConstraintAware;
import org.eclipse.jetty.security.ConstraintMapping;
import org.eclipse.jetty.security.ConstraintSecurityHandler;
import org.eclipse.jetty.security.SecurityHandler;
import org.eclipse.jetty.server.ClassLoaderDump;
import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.HandlerContainer;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.ContextHandler;
import org.eclipse.jetty.server.handler.ErrorHandler;
import org.eclipse.jetty.server.session.SessionHandler;
import org.eclipse.jetty.servlet.ErrorPageErrorHandler;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHandler;
import org.eclipse.jetty.util.AttributesMap;
import org.eclipse.jetty.util.Loader;
import org.eclipse.jetty.util.MultiException;
import org.eclipse.jetty.util.URIUtil;
import org.eclipse.jetty.util.annotation.ManagedAttribute;
import org.eclipse.jetty.util.annotation.ManagedObject;
import org.eclipse.jetty.util.component.DumpableCollection;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.util.resource.Resource;
import org.eclipse.jetty.util.resource.ResourceCollection;
/**
* Web Application Context Handler.
* <p>
* The WebAppContext handler is an extension of ContextHandler that
* coordinates the construction and configuration of nested handlers:
* {@link org.eclipse.jetty.security.ConstraintSecurityHandler}, {@link org.eclipse.jetty.server.session.SessionHandler}
* and {@link org.eclipse.jetty.servlet.ServletHandler}.
* The handlers are configured by pluggable configuration classes, with
* the default being {@link org.eclipse.jetty.webapp.WebXmlConfiguration} and
* {@link org.eclipse.jetty.webapp.JettyWebXmlConfiguration}.
*/
@ManagedObject("Web Application ContextHandler")
public class WebAppContext extends ServletContextHandler implements WebAppClassLoader.Context
{
static final Logger LOG = Log.getLogger(WebAppContext.class);
public static final String TEMPDIR = "javax.servlet.context.tempdir";
public static final String BASETEMPDIR = "org.eclipse.jetty.webapp.basetempdir";
public static final String WEB_DEFAULTS_XML = "org/eclipse/jetty/webapp/webdefault.xml";
public static final String ERROR_PAGE = "org.eclipse.jetty.server.error_page";
public static final String SERVER_SYS_CLASSES = "org.eclipse.jetty.webapp.systemClasses";
public static final String SERVER_SRV_CLASSES = "org.eclipse.jetty.webapp.serverClasses";
private static final String[] DEFAULT_PROTECTED_TARGETS = {"/web-inf", "/meta-inf"};
public static final String[] DEFAULT_CONFIGURATION_CLASSES =
{
"org.eclipse.jetty.webapp.WebInfConfiguration",
"org.eclipse.jetty.webapp.WebXmlConfiguration",
"org.eclipse.jetty.webapp.MetaInfConfiguration",
"org.eclipse.jetty.webapp.FragmentConfiguration",
"org.eclipse.jetty.webapp.JettyWebXmlConfiguration"
};
// System classes are classes that cannot be replaced by
// the web application, and they are *always* loaded via
// system classloader.
// TODO This centrally managed list of features that are exposed/hidden needs to be replaced
// with a more automatic distributed mechanism
public static final String[] __dftSystemClasses =
{
"java.", // Java SE classes (per servlet spec v2.5 / SRV.9.7.2)
"javax.", // Java SE classes (per servlet spec v2.5 / SRV.9.7.2)
"org.xml.", // needed by javax.xml
"org.w3c.", // needed by javax.xml
"org.eclipse.jetty.jmx.", // webapp cannot change jmx classes
"org.eclipse.jetty.util.annotation.", // webapp cannot change jmx annotations
"org.eclipse.jetty.continuation.", // webapp cannot change continuation classes
"org.eclipse.jetty.jndi.", // webapp cannot change naming classes
"org.eclipse.jetty.jaas.", // webapp cannot change jaas classes
"org.eclipse.jetty.websocket.", // webapp cannot change / replace websocket classes
"org.eclipse.jetty.util.log.", // webapp should use server log
"org.eclipse.jetty.servlet.DefaultServlet", // webapp cannot change default servlets
"org.eclipse.jetty.jsp.JettyJspServlet", //webapp cannot change jetty jsp servlet
"org.eclipse.jetty.servlets.PushCacheFilter", //must be loaded by container classpath
"org.eclipse.jetty.servlets.PushSessionCacheFilter" //must be loaded by container classpath
};
// Server classes are classes that are hidden from being
// loaded by the web application using system classloader,
// so if web application needs to load any of such classes,
// it has to include them in its distribution.
// TODO This centrally managed list of features that are exposed/hidden needs to be replaced
// with a more automatic distributed mechanism
// TODO should be white list rather than black list
public static final String[] __dftServerClasses =
{
"-org.eclipse.jetty.server.session.SessionData", //don't hide SessionData for de/serialization purposes
"-org.eclipse.jetty.jmx.", // don't hide jmx classes
"-org.eclipse.jetty.util.annotation.", // don't hide jmx annotation
"-org.eclipse.jetty.continuation.", // don't hide continuation classes
"-org.eclipse.jetty.jndi.", // don't hide naming classes
"-org.eclipse.jetty.jaas.", // don't hide jaas classes
"-org.eclipse.jetty.servlets.", // don't hide jetty servlets
"-org.eclipse.jetty.servlet.DefaultServlet", // don't hide default servlet
"-org.eclipse.jetty.servlet.NoJspServlet", // don't hide noJspServlet servlet
"-org.eclipse.jetty.jsp.", //don't hide jsp servlet
"-org.eclipse.jetty.servlet.listener.", // don't hide useful listeners
"-org.eclipse.jetty.websocket.",
// don't hide websocket classes from webapps (allow webapp to use ones from system classloader)
"-org.eclipse.jetty.apache.", // don't hide jetty apache impls
"-org.eclipse.jetty.util.log.", // don't hide server log
"-org.eclipse.jetty.alpn.", // don't hide ALPN
"org.objectweb.asm.", // hide asm used by jetty
"org.eclipse.jdt.", // hide jdt used by jetty
"org.eclipse.jetty." // hide other jetty classes
};
private final List<String> _configurationClasses = new ArrayList<>();
private ClasspathPattern _systemClasses = null;
private ClasspathPattern _serverClasses = null;
private final List<Configuration> _configurations = new ArrayList<>();
private String _defaultsDescriptor = WEB_DEFAULTS_XML;
private String _descriptor = null;
private final List<String> _overrideDescriptors = new ArrayList<>();
private boolean _distributable = false;
private boolean _extractWAR = true;
private boolean _copyDir = false;
private boolean _copyWebInf = false;
private boolean _logUrlOnStart = false;
private boolean _parentLoaderPriority = Boolean.getBoolean("org.eclipse.jetty.server.webapp.parentLoaderPriority");
private PermissionCollection _permissions;
private String[] _contextWhiteList = null;
private File _tmpDir;
private boolean _persistTmpDir = false;
private String _war;
private String _extraClasspath;
private Throwable _unavailableException;
private Map<String, String> _resourceAliases;
private boolean _ownClassLoader = false;
private boolean _configurationDiscovered = false;
private boolean _allowDuplicateFragmentNames = false;
private boolean _throwUnavailableOnStartupException = false;
private MetaData _metadata = new MetaData();
public static WebAppContext getCurrentWebAppContext()
{
ContextHandler.Context context = ContextHandler.getCurrentContext();
if (context != null)
{
ContextHandler handler = context.getContextHandler();
if (handler instanceof WebAppContext)
return (WebAppContext)handler;
}
return null;
}
public WebAppContext()
{
this(null, null, null, null, null, new ErrorPageErrorHandler(), SESSIONS | SECURITY);
}
/**
* @param contextPath The context path
* @param webApp The URL or filename of the webapp directory or war file.
*/
public WebAppContext(String webApp, String contextPath)
{
this(null, contextPath, null, null, null, new ErrorPageErrorHandler(), SESSIONS | SECURITY);
setWar(webApp);
}
/**
* @param contextPath The context path
* @param webApp The URL or filename of the webapp directory or war file.
*/
public WebAppContext(Resource webApp, String contextPath)
{
this(null, contextPath, null, null, null, new ErrorPageErrorHandler(), SESSIONS | SECURITY);
setWarResource(webApp);
}
/**
* @param parent The parent HandlerContainer.
* @param contextPath The context path
* @param webApp The URL or filename of the webapp directory or war file.
*/
public WebAppContext(HandlerContainer parent, String webApp, String contextPath)
{
this(parent, contextPath, null, null, null, new ErrorPageErrorHandler(), SESSIONS | SECURITY);
setWar(webApp);
}
/**
* @param parent The parent HandlerContainer.
* @param contextPath The context path
* @param webApp The webapp directory or war file.
*/
public WebAppContext(HandlerContainer parent, Resource webApp, String contextPath)
{
this(parent, contextPath, null, null, null, new ErrorPageErrorHandler(), SESSIONS | SECURITY);
setWarResource(webApp);
}
/**
* This constructor is used in the geronimo integration.
*
* @param sessionHandler SessionHandler for this web app
* @param securityHandler SecurityHandler for this web app
* @param servletHandler ServletHandler for this web app
* @param errorHandler ErrorHandler for this web app
*/
public WebAppContext(SessionHandler sessionHandler, SecurityHandler securityHandler, ServletHandler servletHandler, ErrorHandler errorHandler)
{
this(null, null, sessionHandler, securityHandler, servletHandler, errorHandler, 0);
}
/**
* This constructor is used in the geronimo integration.
*
* @param parent the parent handler
* @param contextPath the context path
* @param sessionHandler SessionHandler for this web app
* @param securityHandler SecurityHandler for this web app
* @param servletHandler ServletHandler for this web app
* @param errorHandler ErrorHandler for this web app
* @param options the options ({@link ServletContextHandler#SESSIONS} and/or {@link ServletContextHandler#SECURITY})
*/
public WebAppContext(HandlerContainer parent, String contextPath, SessionHandler sessionHandler, SecurityHandler securityHandler, ServletHandler servletHandler, ErrorHandler errorHandler, int options)
{
super(parent, contextPath, sessionHandler, securityHandler, servletHandler, errorHandler, options);
_scontext = new Context();
setErrorHandler(errorHandler != null ? errorHandler : new ErrorPageErrorHandler());
setProtectedTargets(DEFAULT_PROTECTED_TARGETS);
}
/**
* @param servletContextName The servletContextName to set.
*/
@Override
public void setDisplayName(String servletContextName)
{
super.setDisplayName(servletContextName);
ClassLoader cl = getClassLoader();
if (cl instanceof WebAppClassLoader && servletContextName != null)
((WebAppClassLoader)cl).setName(servletContextName);
}
/**
* Get an exception that caused the webapp to be unavailable
*
* @return A throwable if the webapp is unavailable or null
*/
public Throwable getUnavailableException()
{
return _unavailableException;
}
/**
* Set Resource Alias.
* Resource aliases map resource uri's within a context.
* They may optionally be used by a handler when looking for
* a resource.
*
* @param alias the alias for a resource
* @param uri the uri for the resource
*/
public void setResourceAlias(String alias, String uri)
{
if (_resourceAliases == null)
_resourceAliases = new HashMap<>(5);
_resourceAliases.put(alias, uri);
}
public Map<String, String> getResourceAliases()
{
if (_resourceAliases == null)
return null;
return _resourceAliases;
}
public void setResourceAliases(Map<String, String> map)
{
_resourceAliases = map;
}
public String getResourceAlias(String path)
{
if (_resourceAliases == null)
return null;
String alias = _resourceAliases.get(path);
int slash = path.length();
while (alias == null)
{
slash = path.lastIndexOf("/", slash - 1);
if (slash < 0)
break;
String match = _resourceAliases.get(path.substring(0, slash + 1));
if (match != null)
alias = match + path.substring(slash + 1);
}
return alias;
}
public String removeResourceAlias(String alias)
{
if (_resourceAliases == null)
return null;
return _resourceAliases.remove(alias);
}
/* (non-Javadoc)
* @see org.eclipse.jetty.server.server.handler.ContextHandler#setClassLoader(java.lang.ClassLoader)
*/
@Override
public void setClassLoader(ClassLoader classLoader)
{
super.setClassLoader(classLoader);
String name = getDisplayName();
if (name == null)
name = getContextPath();
if (classLoader instanceof WebAppClassLoader && getDisplayName() != null)
((WebAppClassLoader)classLoader).setName(name);
}
@Override
public Resource getResource(String uriInContext) throws MalformedURLException
{
if (uriInContext == null || !uriInContext.startsWith(URIUtil.SLASH))
throw new MalformedURLException(uriInContext);
IOException ioe = null;
Resource resource = null;
int loop = 0;
while (uriInContext != null && loop++ < 100)
{
try
{
resource = super.getResource(uriInContext);
if (resource != null && resource.exists())
return resource;
uriInContext = getResourceAlias(uriInContext);
}
catch (IOException e)
{
LOG.ignore(e);
if (ioe == null)
ioe = e;
}
}
if (ioe instanceof MalformedURLException)
throw (MalformedURLException)ioe;
return resource;
}
/**
* Is the context Automatically configured.
*
* @return true if configuration discovery.
*/
public boolean isConfigurationDiscovered()
{
return _configurationDiscovered;
}
/**
* Set the configuration discovery mode.
* If configuration discovery is set to true, then the JSR315
* servlet 3.0 discovered configuration features are enabled.
* These are:<ul>
* <li>Web Fragments</li>
* <li>META-INF/resource directories</li>
* </ul>
*
* @param discovered true if configuration discovery is enabled for automatic configuration from the context
*/
public void setConfigurationDiscovered(boolean discovered)
{
_configurationDiscovered = discovered;
}
/**
* Pre configure the web application.
* <p>
* The method is normally called from {@link #start()}. It performs
* the discovery of the configurations to be applied to this context,
* specifically:
* <ul>
* <li>Instantiate the {@link Configuration} instances with a call to {@link #loadConfigurations()}.
* <li>Setup the default System classes by calling {@link #loadSystemClasses()}
* <li>Setup the default Server classes by calling <code>loadServerClasses()</code>
* <li>Instantiates a classload (if one is not already set)
* <li>Calls the {@link Configuration#preConfigure(WebAppContext)} method of all
* Configuration instances.
* </ul>
*
* @throws Exception if unable to pre configure
*/
public void preConfigure() throws Exception
{
// Setup configurations
loadConfigurations();
// Setup system classes
loadSystemClasses();
// Setup server classes
loadServerClasses();
// Configure classloader
_ownClassLoader = false;
if (getClassLoader() == null)
{
WebAppClassLoader classLoader = new WebAppClassLoader(this);
setClassLoader(classLoader);
_ownClassLoader = true;
}
if (LOG.isDebugEnabled())
{
ClassLoader loader = getClassLoader();
LOG.debug("Thread Context classloader {}", loader);
loader = loader.getParent();
while (loader != null)
{
LOG.debug("Parent class loader: {} ", loader);
loader = loader.getParent();
}
}
// Prepare for configuration
for (Configuration configuration : _configurations)
{
LOG.debug("preConfigure {} with {}", this, configuration);
configuration.preConfigure(this);
}
}
public void configure() throws Exception
{
// Configure webapp
for (Configuration configuration : _configurations)
{
LOG.debug("configure {} with {}", this, configuration);
configuration.configure(this);
}
}
public void postConfigure() throws Exception
{
// Clean up after configuration
for (Configuration configuration : _configurations)
{
LOG.debug("postConfigure {} with {}", this, configuration);
configuration.postConfigure(this);
}
}
/*
* @see org.eclipse.thread.AbstractLifeCycle#doStart()
*/
@Override
protected void doStart() throws Exception
{
try
{
_metadata.setAllowDuplicateFragmentNames(isAllowDuplicateFragmentNames());
Boolean validate = (Boolean)getAttribute(MetaData.VALIDATE_XML);
_metadata.setValidateXml((validate != null && validate));
preConfigure();
super.doStart();
postConfigure();
if (isLogUrlOnStart())
dumpUrl();
}
catch (Throwable t)
{
// start up of the webapp context failed, make sure it is not started
LOG.warn("Failed startup of context " + this, t);
_unavailableException = t;
setAvailable(false); // webapp cannot be accessed (results in status code 503)
if (isThrowUnavailableOnStartupException())
throw t;
}
}
/*
* @see org.eclipse.thread.AbstractLifeCycle#doStop()
*/
@Override
protected void doStop() throws Exception
{
super.doStop();
}
@Override
public void destroy()
{
// Prepare for configuration
MultiException mx = new MultiException();
if (_configurations != null)
{
for (int i = _configurations.size(); i-- > 0; )
{
try
{
_configurations.get(i).destroy(this);
}
catch (Exception e)
{
mx.add(e);
}
}
}
_configurations.clear();
super.destroy();
mx.ifExceptionThrowRuntime();
}
/*
* Dumps the current web app name and URL to the log
*/
private void dumpUrl()
{
Connector[] connectors = getServer().getConnectors();
for (int i = 0; i < connectors.length; i++)
{
String displayName = getDisplayName();
if (displayName == null)
displayName = "WebApp@" + Arrays.hashCode(connectors);
LOG.info(displayName + " at http://" + connectors[i].toString() + getContextPath());
}
}
/**
* @return Returns the configurations.
*/
@ManagedAttribute(value = "configuration classes used to configure webapp", readonly = true)
public String[] getConfigurationClasses()
{
return _configurationClasses.toArray(new String[0]);
}
/**
* @return Returns the configurations.
*/
public Configuration[] getConfigurations()
{
return _configurations.toArray(new Configuration[0]);
}
/**
* The default descriptor is a web.xml format file that is applied to the context before the standard WEB-INF/web.xml
*
* @return Returns the defaultsDescriptor.
*/
@ManagedAttribute(value = "default web.xml deascriptor applied before standard web.xml", readonly = true)
public String getDefaultsDescriptor()
{
return _defaultsDescriptor;
}
/**
* The override descriptor is a web.xml format file that is applied to the context after the standard WEB-INF/web.xml
*
* @return Returns the Override Descriptor.
*/
public String getOverrideDescriptor()
{
if (_overrideDescriptors.size() != 1)
return null;
return _overrideDescriptors.get(0);
}
/**
* An override descriptor is a web.xml format file that is applied to the context after the standard WEB-INF/web.xml
*
* @return Returns the Override Descriptor list
*/
@ManagedAttribute(value = "web.xml deascriptors applied after standard web.xml", readonly = true)
public List<String> getOverrideDescriptors()
{
return Collections.unmodifiableList(_overrideDescriptors);
}
/**
* @return Returns the permissions.
*/
@Override
public PermissionCollection getPermissions()
{
return _permissions;
}
/**
* @return Returns the serverClasses.
* @see #setServerClasses(String[])
*/
@ManagedAttribute(value = "classes and packages hidden by the context classloader", readonly = true)
public String[] getServerClasses()
{
if (_serverClasses == null)
loadServerClasses();
return _serverClasses.getPatterns();
}
/**
* @return The ClasspathPattern used to match Server (hidden) classes
*/
public ClasspathPattern getServerClasspathPattern()
{
if (_serverClasses == null)
loadServerClasses();
return _serverClasses;
}
/**
* @param classOrPackageOrLocation pattern (see {@link ClasspathPattern}
* @deprecated Use {@link #getServerClasspathPattern()}.{@link ClasspathPattern#add(String)}
*/
@Deprecated
public void addServerClass(String classOrPackageOrLocation)
{
if (_serverClasses == null)
loadServerClasses();
_serverClasses.add(classOrPackageOrLocation);
}
/**
* Prepend to the list of Server classes.
*
* @param classOrPackage A pattern.
* @see #setServerClasses(String[])
* @see <a href="https://www.eclipse.org/jetty/documentation/current/jetty-classloading.html">Jetty Documentation: Classloading</a>
* @deprecated Use {@link #getServerClasspathPattern()}.{@link ClasspathPattern#add(String)}
*/
@Deprecated
public void prependServerClass(String classOrPackage)
{
if (_serverClasses == null)
loadServerClasses();
_serverClasses.add(classOrPackage);
}
/**
* @return Returns the systemClasses.
* @see #setSystemClasses(String[])
*/
@ManagedAttribute(value = "classes and packages given priority by context classloader", readonly = true)
public String[] getSystemClasses()
{
if (_systemClasses == null)
loadSystemClasses();
return _systemClasses.getPatterns();
}
/**
* @return The ClasspathPattern used to match System (protected) classes
*/
public ClasspathPattern getSystemClasspathPattern()
{
if (_systemClasses == null)
loadSystemClasses();
return _systemClasses;
}
/**
* @param classOrPackage pattern
* @deprecated Use {@link #getSystemClasspathPattern()}.{@link ClasspathPattern#add(String)}
*/
@Deprecated
public void addSystemClass(String classOrPackage)
{
if (_systemClasses == null)
loadSystemClasses();
_systemClasses.add(classOrPackage);
}
/**
* Prepend to the list of System classes.
*
* @param classOrPackage A pattern.
* @see #setSystemClasses(String[])
* @see <a href="https://www.eclipse.org/jetty/documentation/current/jetty-classloading.html">Jetty Documentation: Classloading</a>
* @deprecated Use {@link #getSystemClasspathPattern()}.{@link ClasspathPattern#add(String)}
*/
@Deprecated
public void prependSystemClass(String classOrPackage)
{
if (_systemClasses == null)
loadSystemClasses();
_systemClasses.add(classOrPackage);
}
/**
* @param name class name
* @return true if matched by {@link #getServerClasspathPattern()}
* @deprecated Use {@link #getServerClasspathPattern()}.{@link ClasspathPattern#match(String)}
*/
@Deprecated
public boolean isServerClass(String name)
{
if (_serverClasses == null)
loadServerClasses();
return _serverClasses.match(name);
}
/**
* @param name class name
* @return true if matched by {@link #getServerClasspathPattern()}
* @deprecated Use {@link #getSystemClasspathPattern()}.{@link ClasspathPattern#match(String)}
*/
@Deprecated
public boolean isSystemClass(String name)
{
if (_systemClasses == null)
loadSystemClasses();
return _systemClasses.match(name);
}
@Override
public boolean isServerClass(Class<?> clazz)
{
if (_serverClasses == null)
loadServerClasses();
boolean result = _serverClasses.match(clazz);
return result;
}
@Override
public boolean isSystemClass(Class<?> clazz)
{
if (_systemClasses == null)
loadSystemClasses();
boolean result = _systemClasses.match(clazz);
return result;
}
@Override
public boolean isServerResource(String name, URL parentUrl)
{
if (_serverClasses == null)
loadServerClasses();
boolean result = _serverClasses.match(name, parentUrl);
return result;
}
@Override
public boolean isSystemResource(String name, URL webappUrl)
{
if (_systemClasses == null)
loadSystemClasses();
boolean result = _systemClasses.match(name, webappUrl);
return result;
}
protected void loadSystemClasses()
{
if (_systemClasses != null)
return;
//look for a Server attribute with the list of System classes
//to apply to every web application. If not present, use our defaults.
Server server = getServer();
if (server != null)
{
Object systemClasses = server.getAttribute(SERVER_SYS_CLASSES);
if (systemClasses instanceof String[])
_systemClasses = new ClasspathPattern((String[])systemClasses);
else if (systemClasses instanceof ClasspathPattern)
_systemClasses = new ClasspathPattern(((ClasspathPattern)systemClasses).getPatterns());
}
if (_systemClasses == null)
_systemClasses = new ClasspathPattern(__dftSystemClasses);
}
protected void loadServerClasses()
{
if (_serverClasses != null)
{
return;
}
// look for a Server attribute with the list of Server classes
// to apply to every web application. If not present, use our defaults.
Server server = getServer();
if (server != null)
{
Object serverClasses = server.getAttribute(SERVER_SRV_CLASSES);
if (serverClasses instanceof String[])
_serverClasses = new ClasspathPattern((String[])serverClasses);
else if (serverClasses instanceof ClasspathPattern)
_serverClasses = new ClasspathPattern(((ClasspathPattern)serverClasses).getPatterns());
}
if (_serverClasses == null)
{
_serverClasses = new ClasspathPattern(__dftServerClasses);
}
}
/**
* @return Returns the war as a file or URL string (Resource).
* The war may be different to the @link {@link #getResourceBase()}
* if the war has been expanded and/or copied.
*/
@ManagedAttribute(value = "war file location", readonly = true)
public String getWar()
{
if (_war == null)
_war = getResourceBase();
return _war;
}
public Resource getWebInf() throws IOException
{
if (super.getBaseResource() == null)
return null;
// Iw there a WEB-INF directory?
Resource webInf = super.getBaseResource().addPath("WEB-INF/");
if (!webInf.exists() || !webInf.isDirectory())
return null;
return webInf;
}
/**
* @return Returns the distributable.
*/
@ManagedAttribute("web application distributable")
public boolean isDistributable()
{
return _distributable;
}
/**
* @return Returns the extractWAR.
*/
@ManagedAttribute(value = "extract war", readonly = true)
public boolean isExtractWAR()
{
return _extractWAR;
}
/**
* @return True if the webdir is copied (to allow hot replacement of jars on windows)
*/
@ManagedAttribute(value = "webdir copied on deploy (allows hot replacement on windows)", readonly = true)
public boolean isCopyWebDir()
{
return _copyDir;
}
/**
* @return True if the web-inf lib and classes directories are copied (to allow hot replacement of jars on windows)
*/
public boolean isCopyWebInf()
{
return _copyWebInf;
}
/**
* @return True if the classloader should delegate first to the parent
* classloader (standard java behaviour) or false if the classloader
* should first try to load from WEB-INF/lib or WEB-INF/classes (servlet
* spec recommendation). Default is false or can be set by the system
* property org.eclipse.jetty.server.webapp.parentLoaderPriority
*/
@Override
@ManagedAttribute(value = "parent classloader given priority", readonly = true)
public boolean isParentLoaderPriority()
{
return _parentLoaderPriority;
}
public static String[] getDefaultConfigurationClasses()
{
return DEFAULT_CONFIGURATION_CLASSES;
}
public String[] getDefaultServerClasses()
{
return __dftServerClasses;
}
public String[] getDefaultSystemClasses()
{
return __dftSystemClasses;
}
protected void loadConfigurations()
throws Exception
{
//if the configuration instances have been set explicitly, use them
if (!_configurations.isEmpty())
return;
if (_configurationClasses.isEmpty())
{
_configurationClasses.addAll(Configuration.ClassList.serverDefault(getServer()));
}
for (String configClass : _configurationClasses)
{
@SuppressWarnings("unchecked")
Configuration configuration = (Configuration)Loader.loadClass(configClass).getDeclaredConstructor().newInstance();
configuration = wrap(configuration);
_configurations.add(configuration);
}
}
private Configuration wrap(final Configuration configuration)
{
Configuration ret = configuration;
for (Configuration.WrapperFunction wrapperFunction : getBeans(Configuration.WrapperFunction.class))
{
ret = wrapperFunction.wrapConfiguration(ret);
}
return ret;
}
@Override
public String toString()
{
if (_war != null)
return super.toString() + "{" + _war + "}";
return super.toString();
}
@Override