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// ========================================================================
// Copyright (c) 2004-2009 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// 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.server.handler;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;
import java.util.EventListener;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Locale;
import java.util.Map;
import java.util.Set;

import javax.servlet.RequestDispatcher;
import javax.servlet.Servlet;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextAttributeEvent;
import javax.servlet.ServletContextAttributeListener;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.ServletException;
import javax.servlet.ServletRequestAttributeListener;
import javax.servlet.ServletRequestEvent;
import javax.servlet.ServletRequestListener;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.eclipse.jetty.http.HttpException;
import org.eclipse.jetty.http.MimeTypes;
import org.eclipse.jetty.io.Buffer;
import org.eclipse.jetty.server.Dispatcher;
import org.eclipse.jetty.server.DispatcherType;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.HandlerContainer;
import org.eclipse.jetty.server.HttpConnection;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.util.Attributes;
import org.eclipse.jetty.util.AttributesMap;
import org.eclipse.jetty.util.LazyList;
import org.eclipse.jetty.util.Loader;
import org.eclipse.jetty.util.URIUtil;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.util.resource.Resource;

/* ------------------------------------------------------------ */
/** ContextHandler.
 *
 * This handler wraps a call to handle by setting the context and
 * servlet path, plus setting the context classloader.
 *
 * 

* If the context init parameter "org.eclipse.jetty.server.context.ManagedAttributes" * is set to a comma separated list of names, then they are treated as context * attribute names, which if set as attributes are passed to the servers Container * so that they may be managed with JMX. * * @org.apache.xbean.XBean description="Creates a basic HTTP context" */ public class ContextHandler extends ScopedHandler implements Attributes, Server.Graceful { private static final ThreadLocal __context=new ThreadLocal(); public static final String MANAGED_ATTRIBUTES = "org.eclipse.jetty.server.context.ManagedAttributes"; /* ------------------------------------------------------------ */ /** Get the current ServletContext implementation. * This call is only valid during a call to doStart and is available to * nested handlers to access the context. * * @return ServletContext implementation */ public static Context getCurrentContext() { return __context.get(); } protected Context _scontext; private AttributesMap _attributes; private AttributesMap _contextAttributes; private ClassLoader _classLoader; private String _contextPath="/"; private Map _initParams; private String _displayName; private Resource _baseResource; private MimeTypes _mimeTypes; private Map _localeEncodingMap; private String[] _welcomeFiles; private ErrorHandler _errorHandler; private String[] _vhosts; private Set _connectors; private EventListener[] _eventListeners; private Logger _logger; private boolean _allowNullPathInfo; private int _maxFormContentSize=Integer.getInteger("org.eclipse.jetty.server.Request.maxFormContentSize",200000).intValue(); private boolean _compactPath=false; private boolean _aliases=false; private Object _contextListeners; private Object _contextAttributeListeners; private Object _requestListeners; private Object _requestAttributeListeners; private Map _managedAttributes; private boolean _shutdown=false; private boolean _available=true; private volatile int _availability; // 0=STOPPED, 1=AVAILABLE, 2=SHUTDOWN, 3=UNAVAILABLE private final static int __STOPPED=0,__AVAILABLE=1,__SHUTDOWN=2,__UNAVAILABLE=3; /* ------------------------------------------------------------ */ /** * */ public ContextHandler() { super(); _scontext=new Context(); _attributes=new AttributesMap(); _initParams=new HashMap(); } /* ------------------------------------------------------------ */ /** * */ protected ContextHandler(Context context) { super(); _scontext=context; _attributes=new AttributesMap(); _initParams=new HashMap(); } /* ------------------------------------------------------------ */ /** * */ public ContextHandler(String contextPath) { this(); setContextPath(contextPath); } /* ------------------------------------------------------------ */ /** * */ public ContextHandler(HandlerContainer parent, String contextPath) { this(); setContextPath(contextPath); if (parent instanceof HandlerWrapper) ((HandlerWrapper)parent).setHandler(this); else if (parent instanceof HandlerCollection) ((HandlerCollection)parent).addHandler(this); } /* ------------------------------------------------------------ */ public Context getServletContext() { return _scontext; } /* ------------------------------------------------------------ */ /** * @return the allowNullPathInfo true if /context is not redirected to /context/ */ public boolean getAllowNullPathInfo() { return _allowNullPathInfo; } /* ------------------------------------------------------------ */ /** * @param allowNullPathInfo true if /context is not redirected to /context/ */ public void setAllowNullPathInfo(boolean allowNullPathInfo) { _allowNullPathInfo=allowNullPathInfo; } /* ------------------------------------------------------------ */ @Override public void setServer(Server server) { if (_errorHandler!=null) { Server old_server=getServer(); if (old_server!=null && old_server!=server) old_server.getContainer().update(this, _errorHandler, null, "error",true); super.setServer(server); if (server!=null && server!=old_server) server.getContainer().update(this, null, _errorHandler, "error",true); _errorHandler.setServer(server); } else super.setServer(server); } /* ------------------------------------------------------------ */ /** Set the virtual hosts for the context. * Only requests that have a matching host header or fully qualified * URL will be passed to that context with a virtual host name. * A context with no virtual host names or a null virtual host name is * available to all requests that are not served by a context with a * matching virtual host name. * @param vhosts Array of virtual hosts that this context responds to. A * null host name or null/empty array means any hostname is acceptable. * Host names may be String representation of IP addresses. Host names may * start with '*.' to wildcard one level of names. */ public void setVirtualHosts( String[] vhosts ) { if ( vhosts == null ) { _vhosts = vhosts; } else { _vhosts = new String[vhosts.length]; for ( int i = 0; i < vhosts.length; i++ ) _vhosts[i] = normalizeHostname( vhosts[i]); } } /* ------------------------------------------------------------ */ /** Get the virtual hosts for the context. * Only requests that have a matching host header or fully qualified * URL will be passed to that context with a virtual host name. * A context with no virtual host names or a null virtual host name is * available to all requests that are not served by a context with a * matching virtual host name. * @return Array of virtual hosts that this context responds to. A * null host name or empty array means any hostname is acceptable. * Host names may be String representation of IP addresses. * Host names may start with '*.' to wildcard one level of names. */ public String[] getVirtualHosts() { return _vhosts; } /* ------------------------------------------------------------ */ /** * @deprecated use {@link #setConnectorNames(String[])} */ @Deprecated public void setHosts(String[] hosts) { setConnectorNames(hosts); } /* ------------------------------------------------------------ */ /** Get the hosts for the context. * @deprecated */ @Deprecated public String[] getHosts() { return getConnectorNames(); } /* ------------------------------------------------------------ */ /** * @return an array of connector names that this context * will accept a request from. */ public String[] getConnectorNames() { if (_connectors==null || _connectors.size()==0) return null; return _connectors.toArray(new String[_connectors.size()]); } /* ------------------------------------------------------------ */ /** Set the names of accepted connectors. * * Names are either "host:port" or a specific configured name for a connector. * * @param connectors If non null, an array of connector names that this context * will accept a request from. */ public void setConnectorNames(String[] connectors) { if (connectors==null || connectors.length==0) _connectors=null; else _connectors= new HashSet(Arrays.asList(connectors)); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getAttribute(java.lang.String) */ public Object getAttribute(String name) { return _attributes.getAttribute(name); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getAttributeNames() */ @SuppressWarnings("unchecked") public Enumeration getAttributeNames() { return AttributesMap.getAttributeNamesCopy(_attributes); } /* ------------------------------------------------------------ */ /** * @return Returns the attributes. */ public Attributes getAttributes() { return _attributes; } /* ------------------------------------------------------------ */ /** * @return Returns the classLoader. */ public ClassLoader getClassLoader() { return _classLoader; } /* ------------------------------------------------------------ */ /** * Make best effort to extract a file classpath from the context classloader * @return Returns the classLoader. */ public String getClassPath() { if ( _classLoader==null || !(_classLoader instanceof URLClassLoader)) return null; URLClassLoader loader = (URLClassLoader)_classLoader; URL[] urls =loader.getURLs(); StringBuilder classpath=new StringBuilder(); for (int i=0;i0) classpath.append(File.pathSeparatorChar); classpath.append(file.getAbsolutePath()); } } catch (IOException e) { Log.debug(e); } } if (classpath.length()==0) return null; return classpath.toString(); } /* ------------------------------------------------------------ */ /** * @return Returns the _contextPath. */ public String getContextPath() { return _contextPath; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getInitParameter(java.lang.String) */ public String getInitParameter(String name) { return _initParams.get(name); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getInitParameterNames() */ @SuppressWarnings("unchecked") public Enumeration getInitParameterNames() { return Collections.enumeration(_initParams.keySet()); } /* ------------------------------------------------------------ */ /** * @return Returns the initParams. */ public Map getInitParams() { return _initParams; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getServletContextName() */ public String getDisplayName() { return _displayName; } /* ------------------------------------------------------------ */ public EventListener[] getEventListeners() { return _eventListeners; } /* ------------------------------------------------------------ */ /** * Set the context event listeners. * @see ServletContextListener * @see ServletContextAttributeListener * @see ServletRequestListener * @see ServletRequestAttributeListener */ public void setEventListeners(EventListener[] eventListeners) { _contextListeners=null; _contextAttributeListeners=null; _requestListeners=null; _requestAttributeListeners=null; _eventListeners=eventListeners; for (int i=0; eventListeners!=null && i(); String[] attributes = managedAttributes.split(","); for (String attribute : attributes) _managedAttributes.put(attribute,null); Enumeration e = _scontext.getAttributeNames(); while(e.hasMoreElements()) { String name = (String)e.nextElement(); Object value = _scontext.getAttribute(name); setManagedAttribute(name,value); } } super.doStart(); if (_errorHandler!=null) _errorHandler.start(); // Context listeners if (_contextListeners != null ) { ServletContextEvent event= new ServletContextEvent(_scontext); for (int i= 0; i < LazyList.size(_contextListeners); i++) { ((ServletContextListener)LazyList.get(_contextListeners, i)).contextInitialized(event); } } } /* ------------------------------------------------------------ */ /* * @see org.eclipse.thread.AbstractLifeCycle#doStop() */ @Override protected void doStop() throws Exception { _availability=__STOPPED; ClassLoader old_classloader=null; Thread current_thread=null; Context old_context=__context.get(); __context.set(_scontext); try { // Set the classloader if (_classLoader!=null) { current_thread=Thread.currentThread(); old_classloader=current_thread.getContextClassLoader(); current_thread.setContextClassLoader(_classLoader); } super.doStop(); // Context listeners if (_contextListeners != null ) { ServletContextEvent event= new ServletContextEvent(_scontext); for (int i=LazyList.size(_contextListeners); i-->0;) { ((ServletContextListener)LazyList.get(_contextListeners, i)).contextDestroyed(event); } } if (_errorHandler!=null) _errorHandler.stop(); Enumeration e = _scontext.getAttributeNames(); while(e.hasMoreElements()) { String name = (String)e.nextElement(); setManagedAttribute(name,null); } } finally { __context.set(old_context); // reset the classloader if (_classLoader!=null) current_thread.setContextClassLoader(old_classloader); } if (_contextAttributes!=null) _contextAttributes.clearAttributes(); _contextAttributes=null; } /* ------------------------------------------------------------ */ /* * @see org.eclipse.jetty.server.Handler#handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) */ public boolean checkContext(final String target, final Request baseRequest, final HttpServletResponse response) throws IOException, ServletException { DispatcherType dispatch=baseRequest.getDispatcherType(); switch(_availability) { case __STOPPED: case __SHUTDOWN: return false; case __UNAVAILABLE: response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE); return false; default: if((DispatcherType.REQUEST.equals(dispatch) && baseRequest.isHandled())) return false; } // Check the vhosts if (_vhosts!=null && _vhosts.length>0) { String vhost = normalizeHostname( baseRequest.getServerName()); boolean match=false; // TODO non-linear lookup for (int i=0;!match && i<_vhosts.length;i++) { String contextVhost = _vhosts[i]; if(contextVhost==null) continue; if(contextVhost.startsWith("*.")) { // wildcard only at the beginning, and only for one additional subdomain level match=contextVhost.regionMatches(true,2,vhost,vhost.indexOf(".")+1,contextVhost.length()-2); } else match=contextVhost.equalsIgnoreCase(vhost); } if (!match) return false; } // Check the connector if (_connectors!=null && _connectors.size()>0) { String connector=HttpConnection.getCurrentConnection().getConnector().getName(); if (connector==null || !_connectors.contains(connector)) return false; } // Are we not the root context? if (_contextPath.length()>1) { // reject requests that are not for us if (!target.startsWith(_contextPath)) return false; if (target.length()>_contextPath.length() && target.charAt(_contextPath.length())!='/') return false; // redirect null path infos if (!_allowNullPathInfo && _contextPath.length()==target.length()) { // context request must end with / baseRequest.setHandled(true); if (baseRequest.getQueryString()!=null) response.sendRedirect(URIUtil.addPaths(baseRequest.getRequestURI(),URIUtil.SLASH)+"?"+baseRequest.getQueryString()); else response.sendRedirect(URIUtil.addPaths(baseRequest.getRequestURI(),URIUtil.SLASH)); return false; } } return true; } /* ------------------------------------------------------------ */ /** * @see org.eclipse.jetty.server.handler.ScopedHandler#doScope(java.lang.String, org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) */ @Override public void doScope(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { Context old_context=null; String old_context_path=null; String old_servlet_path=null; String old_path_info=null; ClassLoader old_classloader=null; Thread current_thread=null; String pathInfo=null; DispatcherType dispatch=baseRequest.getDispatcherType(); old_context=baseRequest.getContext(); // Are we already in this context? if (old_context!=_scontext) { // check the target. if (DispatcherType.REQUEST.equals(dispatch) || DispatcherType.ASYNC.equals(dispatch)) { if (_compactPath) target=URIUtil.compactPath(target); if (!checkContext(target,baseRequest,response)) return; if (target.length()>_contextPath.length()) { if (_contextPath.length()>1) target=target.substring(_contextPath.length()); pathInfo=target; } else if (_contextPath.length()==1) { target=URIUtil.SLASH; pathInfo=URIUtil.SLASH; } else { target=URIUtil.SLASH; pathInfo=null; } } // Set the classloader if (_classLoader!=null) { current_thread=Thread.currentThread(); old_classloader=current_thread.getContextClassLoader(); current_thread.setContextClassLoader(_classLoader); } } try { old_context_path=baseRequest.getContextPath(); old_servlet_path=baseRequest.getServletPath(); old_path_info=baseRequest.getPathInfo(); // Update the paths baseRequest.setContext(_scontext); if (!DispatcherType.INCLUDE.equals(dispatch) && target.startsWith("/")) { if (_contextPath.length()==1) baseRequest.setContextPath(""); else baseRequest.setContextPath(_contextPath); baseRequest.setServletPath(null); baseRequest.setPathInfo(pathInfo); } // start manual inline of nextScope(target,baseRequest,request,response); //noinspection ConstantIfStatement if (false) nextScope(target,baseRequest,request,response); else if (_nextScope!=null) _nextScope.doScope(target,baseRequest,request, response); else if (_outerScope!=null) _outerScope.doHandle(target,baseRequest,request, response); else doHandle(target,baseRequest,request, response); // end manual inline (pathentic attempt to reduce stack depth) } finally { if (old_context!=_scontext) { // reset the classloader if (_classLoader!=null) { current_thread.setContextClassLoader(old_classloader); } // reset the context and servlet path. baseRequest.setContext(old_context); baseRequest.setContextPath(old_context_path); baseRequest.setServletPath(old_servlet_path); baseRequest.setPathInfo(old_path_info); } } } /* ------------------------------------------------------------ */ /** * @see org.eclipse.jetty.server.handler.ScopedHandler#doHandle(java.lang.String, org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) */ @Override public void doHandle(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response) throws IOException, ServletException { final DispatcherType dispatch=baseRequest.getDispatcherType(); final boolean new_context=baseRequest.takeNewContext(); try { if (new_context) { // Handle the REALLY SILLY request events! if (_requestAttributeListeners!=null) { final int s=LazyList.size(_requestAttributeListeners); for(int i=0;i0;) baseRequest.removeEventListener(((EventListener)LazyList.get(_requestAttributeListeners,i))); } } } } /* ------------------------------------------------------------ */ /* Handle a runnable in this context */ public void handle(Runnable runnable) { ClassLoader old_classloader=null; Thread current_thread=null; try { // Set the classloader if (_classLoader!=null) { current_thread=Thread.currentThread(); old_classloader=current_thread.getContextClassLoader(); current_thread.setContextClassLoader(_classLoader); } runnable.run(); } finally { if (old_classloader!=null) { current_thread.setContextClassLoader(old_classloader); } } } /* ------------------------------------------------------------ */ /** Check the target. * Called by {@link #handle(String, Request, HttpServletRequest, HttpServletResponse)} when a * target within a context is determined. If the target is protected, 404 is returned. * The default implementation always returns false. */ /* ------------------------------------------------------------ */ protected boolean isProtectedTarget(String target) { return false; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#removeAttribute(java.lang.String) */ public void removeAttribute(String name) { setManagedAttribute(name,null); _attributes.removeAttribute(name); } /* ------------------------------------------------------------ */ /* Set a context attribute. * Attributes set via this API cannot be overriden by the ServletContext.setAttribute API. * Their lifecycle spans the stop/start of a context. No attribute listener events are * triggered by this API. * @see javax.servlet.ServletContext#setAttribute(java.lang.String, java.lang.Object) */ public void setAttribute(String name, Object value) { setManagedAttribute(name,value); _attributes.setAttribute(name,value); } /* ------------------------------------------------------------ */ /** * @param attributes The attributes to set. */ public void setAttributes(Attributes attributes) { if (attributes instanceof AttributesMap) { _attributes = (AttributesMap)attributes; Enumeration e = _attributes.getAttributeNames(); while (e.hasMoreElements()) { String name = (String)e.nextElement(); setManagedAttribute(name,attributes.getAttribute(name)); } } else { _attributes=new AttributesMap(); Enumeration e = attributes.getAttributeNames(); while (e.hasMoreElements()) { String name = (String)e.nextElement(); Object value=attributes.getAttribute(name); setManagedAttribute(name,value); _attributes.setAttribute(name,value); } } } /* ------------------------------------------------------------ */ public void clearAttributes() { Enumeration e = _attributes.getAttributeNames(); while (e.hasMoreElements()) { String name = (String)e.nextElement(); setManagedAttribute(name,null); } _attributes.clearAttributes(); } /* ------------------------------------------------------------ */ private void setManagedAttribute(String name, Object value) { if (_managedAttributes!=null && _managedAttributes.containsKey(name)) { Object old =_managedAttributes.put(name,value); if (old!=null) getServer().getContainer().removeBean(old); if (value!=null) { if (_logger.isDebugEnabled()) _logger.debug("Managing "+name); getServer().getContainer().addBean(value); } } } /* ------------------------------------------------------------ */ /** * @param classLoader The classLoader to set. */ public void setClassLoader(ClassLoader classLoader) { _classLoader = classLoader; } /* ------------------------------------------------------------ */ /** * @param contextPath The _contextPath to set. */ public void setContextPath(String contextPath) { if (contextPath!=null && contextPath.length()>1 && contextPath.endsWith("/")) throw new IllegalArgumentException("ends with /"); _contextPath = contextPath; if (getServer()!=null && (getServer().isStarting() || getServer().isStarted())) { Handler[] contextCollections = getServer().getChildHandlersByClass(ContextHandlerCollection.class); for (int h=0;contextCollections!=null&& h initParams) { if (initParams == null) return; _initParams = new HashMap(initParams); } /* ------------------------------------------------------------ */ /** * @param servletContextName The servletContextName to set. */ public void setDisplayName(String servletContextName) { _displayName = servletContextName; } /* ------------------------------------------------------------ */ /** * @return Returns the resourceBase. */ public Resource getBaseResource() { if (_baseResource==null) return null; return _baseResource; } /* ------------------------------------------------------------ */ /** * @return Returns the base resource as a string. */ public String getResourceBase() { if (_baseResource==null) return null; return _baseResource.toString(); } /* ------------------------------------------------------------ */ /** * @param base The resourceBase to set. */ public void setBaseResource(Resource base) { _baseResource=base; } /* ------------------------------------------------------------ */ /** * @param resourceBase The base resource as a string. */ public void setResourceBase(String resourceBase) { try { setBaseResource(newResource(resourceBase)); } catch (Exception e) { Log.warn(e.toString()); Log.debug(e); throw new IllegalArgumentException(resourceBase); } } /* ------------------------------------------------------------ */ /** * @return True if aliases are allowed */ public boolean isAliases() { return _aliases; } /* ------------------------------------------------------------ */ /** * @param aliases aliases are allowed */ public void setAliases(boolean aliases) { _aliases = aliases; } /* ------------------------------------------------------------ */ /** * @return Returns the mimeTypes. */ public MimeTypes getMimeTypes() { return _mimeTypes; } /* ------------------------------------------------------------ */ /** * @param mimeTypes The mimeTypes to set. */ public void setMimeTypes(MimeTypes mimeTypes) { _mimeTypes = mimeTypes; } /* ------------------------------------------------------------ */ /** */ public void setWelcomeFiles(String[] files) { _welcomeFiles=files; } /* ------------------------------------------------------------ */ /** * @return The names of the files which the server should consider to be welcome files in this context. * @see The Servlet Specification * @see #setWelcomeFiles */ public String[] getWelcomeFiles() { return _welcomeFiles; } /* ------------------------------------------------------------ */ /** * @return Returns the errorHandler. */ public ErrorHandler getErrorHandler() { return _errorHandler; } /* ------------------------------------------------------------ */ /** * @param errorHandler The errorHandler to set. */ public void setErrorHandler(ErrorHandler errorHandler) { if (errorHandler!=null) errorHandler.setServer(getServer()); if (getServer()!=null) getServer().getContainer().update(this, _errorHandler, errorHandler, "errorHandler",true); _errorHandler = errorHandler; } /* ------------------------------------------------------------ */ public int getMaxFormContentSize() { return _maxFormContentSize; } /* ------------------------------------------------------------ */ public void setMaxFormContentSize(int maxSize) { _maxFormContentSize=maxSize; } /* ------------------------------------------------------------ */ /** * @return True if URLs are compacted to replace multiple '/'s with a single '/' */ public boolean isCompactPath() { return _compactPath; } /* ------------------------------------------------------------ */ /** * @param compactPath True if URLs are compacted to replace multiple '/'s with a single '/' */ public void setCompactPath(boolean compactPath) { _compactPath=compactPath; } /* ------------------------------------------------------------ */ @Override public String toString() { return super.toString()+"@"+Integer.toHexString(hashCode())+getContextPath()+","+getBaseResource(); } /* ------------------------------------------------------------ */ public synchronized Class loadClass(String className) throws ClassNotFoundException { if (className==null) return null; if (_classLoader==null) return Loader.loadClass(this.getClass(), className); return _classLoader.loadClass(className); } /* ------------------------------------------------------------ */ public void addLocaleEncoding(String locale,String encoding) { if (_localeEncodingMap==null) _localeEncodingMap=new HashMap(); _localeEncodingMap.put(locale, encoding); } /* ------------------------------------------------------------ */ /** * Get the character encoding for a locale. The full locale name is first * looked up in the map of encodings. If no encoding is found, then the * locale language is looked up. * * @param locale a Locale value * @return a String representing the character encoding for * the locale or null if none found. */ public String getLocaleEncoding(Locale locale) { if (_localeEncodingMap==null) return null; String encoding = _localeEncodingMap.get(locale.toString()); if (encoding==null) encoding = _localeEncodingMap.get(locale.getLanguage()); return encoding; } /* ------------------------------------------------------------ */ /* */ public Resource getResource(String path) throws MalformedURLException { if (path==null || !path.startsWith(URIUtil.SLASH)) throw new MalformedURLException(path); if (_baseResource==null) return null; try { path=URIUtil.canonicalPath(path); Resource resource=_baseResource.addPath(path); if (!_aliases && resource.getAlias()!=null) { if (resource.exists()) Log.warn("Aliased resource: "+resource+"~="+resource.getAlias()); else if (Log.isDebugEnabled()) Log.debug("Aliased resource: "+resource+"~="+resource.getAlias()); return null; } return resource; } catch(Exception e) { Log.ignore(e); } return null; } /* ------------------------------------------------------------ */ /** Convert URL to Resource * wrapper for {@link Resource#newResource(URL)} enables extensions to * provide alternate resource implementations. */ public Resource newResource(URL url) throws IOException { return Resource.newResource(url); } /* ------------------------------------------------------------ */ /** Convert URL to Resource * wrapper for {@link Resource#newResource(String)} enables extensions to * provide alternate resource implementations. */ public Resource newResource(String url) throws IOException { return Resource.newResource(url); } /* ------------------------------------------------------------ */ /* */ public Set getResourcePaths(String path) { try { path=URIUtil.canonicalPath(path); Resource resource=getResource(path); if (resource!=null && resource.exists()) { if (!path.endsWith(URIUtil.SLASH)) path=path+URIUtil.SLASH; String[] l=resource.list(); if (l!=null) { HashSet set = new HashSet(); for(int i=0;i * A partial implementation of {@link javax.servlet.ServletContext}. * A complete implementation is provided by the derived {@link ContextHandler}. *

* * */ public class Context implements ServletContext { /* ------------------------------------------------------------ */ protected Context() { } /* ------------------------------------------------------------ */ public ContextHandler getContextHandler() { // TODO reduce visibility of this method return ContextHandler.this; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getContext(java.lang.String) */ public ServletContext getContext(String uripath) { ContextHandler context=null; Handler[] handlers = getServer().getChildHandlersByClass(ContextHandler.class); for (int i=0;icontext.getContextPath().length()) context=ch; } } if (context!=null) return context._scontext; return null; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getMajorVersion() */ public int getMajorVersion() { return 2; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getMimeType(java.lang.String) */ public String getMimeType(String file) { if (_mimeTypes==null) return null; Buffer mime = _mimeTypes.getMimeByExtension(file); if (mime!=null) return mime.toString(); return null; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getMinorVersion() */ public int getMinorVersion() { return 5; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getNamedDispatcher(java.lang.String) */ public RequestDispatcher getNamedDispatcher(String name) { return null; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getRequestDispatcher(java.lang.String) */ public RequestDispatcher getRequestDispatcher(String uriInContext) { if (uriInContext == null) return null; if (!uriInContext.startsWith("/")) return null; try { String query=null; int q=0; if ((q=uriInContext.indexOf('?'))>0) { query=uriInContext.substring(q+1); uriInContext=uriInContext.substring(0,q); } if ((q=uriInContext.indexOf(';'))>0) uriInContext=uriInContext.substring(0,q); String pathInContext=URIUtil.canonicalPath(URIUtil.decodePath(uriInContext)); String uri=URIUtil.addPaths(getContextPath(), uriInContext); ContextHandler context=ContextHandler.this; return new Dispatcher(context,uri, pathInContext, query); } catch(Exception e) { Log.ignore(e); } return null; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getRealPath(java.lang.String) */ public String getRealPath(String path) { if(path==null) return null; if(path.length()==0) path = URIUtil.SLASH; else if(path.charAt(0)!='/') path = URIUtil.SLASH + path; try { Resource resource=ContextHandler.this.getResource(path); if(resource!=null) { File file = resource.getFile(); if (file!=null) return file.getCanonicalPath(); } } catch (Exception e) { Log.ignore(e); } return null; } /* ------------------------------------------------------------ */ public URL getResource(String path) throws MalformedURLException { Resource resource=ContextHandler.this.getResource(path); if (resource!=null && resource.exists()) return resource.getURL(); return null; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getResourceAsStream(java.lang.String) */ public InputStream getResourceAsStream(String path) { try { URL url=getResource(path); if (url==null) return null; return url.openStream(); } catch(Exception e) { Log.ignore(e); return null; } } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getResourcePaths(java.lang.String) */ public Set getResourcePaths(String path) { return ContextHandler.this.getResourcePaths(path); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getServerInfo() */ public String getServerInfo() { return "jetty/"+Server.getVersion(); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getServlet(java.lang.String) */ public Servlet getServlet(String name) throws ServletException { return null; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getServletNames() */ @SuppressWarnings("unchecked") public Enumeration getServletNames() { return Collections.enumeration(Collections.EMPTY_LIST); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getServlets() */ @SuppressWarnings("unchecked") public Enumeration getServlets() { return Collections.enumeration(Collections.EMPTY_LIST); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#log(java.lang.Exception, java.lang.String) */ public void log(Exception exception, String msg) { _logger.warn(msg,exception); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#log(java.lang.String) */ public void log(String msg) { _logger.info(msg, null, null); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#log(java.lang.String, java.lang.Throwable) */ public void log(String message, Throwable throwable) { _logger.warn(message,throwable); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getInitParameter(java.lang.String) */ public String getInitParameter(String name) { return ContextHandler.this.getInitParameter(name); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getInitParameterNames() */ @SuppressWarnings("unchecked") public Enumeration getInitParameterNames() { return ContextHandler.this.getInitParameterNames(); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getAttribute(java.lang.String) */ public synchronized Object getAttribute(String name) { Object o = ContextHandler.this.getAttribute(name); if (o==null && _contextAttributes!=null) o=_contextAttributes.getAttribute(name); return o; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getAttributeNames() */ @SuppressWarnings("unchecked") public synchronized Enumeration getAttributeNames() { HashSet set = new HashSet(); if (_contextAttributes!=null) { Enumeration e = _contextAttributes.getAttributeNames(); while(e.hasMoreElements()) set.add(e.nextElement()); } Enumeration e = _attributes.getAttributeNames(); while(e.hasMoreElements()) set.add(e.nextElement()); return Collections.enumeration(set); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#setAttribute(java.lang.String, java.lang.Object) */ public synchronized void setAttribute(String name, Object value) { if (_contextAttributes==null) { // Set it on the handler ContextHandler.this.setAttribute(name, value); return; } setManagedAttribute(name,value); Object old_value=_contextAttributes.getAttribute(name); if (value==null) _contextAttributes.removeAttribute(name); else _contextAttributes.setAttribute(name,value); if (_contextAttributeListeners!=null) { ServletContextAttributeEvent event = new ServletContextAttributeEvent(_scontext,name, old_value==null?value:old_value); for(int i=0;i




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