w3c的HTTP实现（java）

// DAVFrame.java // $Id: DAVFrame.java,v 1.39 2007/02/09 22:45:42 ylafon Exp $ // (c) COPYRIGHT MIT, INRIA and Keio, 2000. // Please first read the full copyright statement in file COPYRIGHT.html package org.w3c.jigsaw.webdav; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.FileInputStream; import java.io.InputStream; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; import java.util.Date; import java.util.Enumeration; import java.util.Hashtable; import java.util.ListIterator; import java.util.LinkedList; import java.util.Vector; import org.xml.sax.SAXException; import org.apache.xml.serialize.OutputFormat; import org.apache.xml.serialize.XMLSerializer; import org.w3c.dom.Document; import org.w3c.dom.DOMException; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.jigsaw.auth.AuthFilter; import org.w3c.jigsaw.frames.PostableFrame; import org.w3c.jigsaw.http.HTTPException; import org.w3c.jigsaw.http.Reply; import org.w3c.jigsaw.http.Request; import org.w3c.www.http.ContentLengthInputStream; import org.w3c.tools.codec.Base64Decoder; import org.w3c.tools.codec.Base64Encoder; import org.w3c.tools.codec.Base64FormatException; import org.w3c.tools.resources.Attribute; import org.w3c.tools.resources.AttributeRegistry; import org.w3c.tools.resources.ContainerResource; import org.w3c.tools.resources.DateAttribute; import org.w3c.tools.resources.DirectoryResource; import org.w3c.tools.resources.FramedResource; import org.w3c.tools.resources.IntegerAttribute; import org.w3c.tools.resources.InvalidResourceException; import org.w3c.tools.resources.LookupResult; import org.w3c.tools.resources.LookupState; import org.w3c.tools.resources.ProtocolException; import org.w3c.tools.resources.PropertiesAttribute; import org.w3c.tools.resources.RequestInterface; import org.w3c.tools.resources.ReplyInterface; import org.w3c.tools.resources.Resource; import org.w3c.tools.resources.ResourceException; import org.w3c.tools.resources.ResourceFrame; import org.w3c.tools.resources.ResourceReference; import org.w3c.tools.resources.ServerInterface; import org.w3c.tools.resources.StringAttribute; import org.w3c.util.ArrayDictionary; import org.w3c.util.DateParser; import org.w3c.util.InvalidDateException; import org.w3c.util.ObservableProperties; import org.w3c.util.URLUtils; import org.w3c.www.http.HeaderDescription; import org.w3c.www.http.HeaderValue; import org.w3c.www.http.HTTP; import org.w3c.www.http.HttpDate; import org.w3c.www.http.HttpEntityTag; import org.w3c.www.http.HttpFactory; import org.w3c.www.http.HttpInvalidValueException; import org.w3c.www.http.HttpMimeType; import org.w3c.www.http.HttpMessage; import org.w3c.www.http.HttpReplyMessage; import org.w3c.www.http.HttpRequestMessage; import org.w3c.www.http.HttpTokenList; import org.w3c.www.mime.MimeType; import org.w3c.www.mime.MimeTypeFormatException; import org.w3c.www.webdav.WEBDAV; import org.w3c.www.webdav.DAVEntityTag; import org.w3c.www.webdav.DAVIf; import org.w3c.www.webdav.DAVParser; import org.w3c.www.webdav.DAVStateToken; import org.w3c.www.webdav.xml.DAVBody; import org.w3c.www.webdav.xml.DAVFactory; import org.w3c.www.webdav.xml.DAVLockInfo; import org.w3c.www.webdav.xml.DAVMultiStatus; import org.w3c.www.webdav.xml.DAVNode; import org.w3c.www.webdav.xml.DAVPropAction; import org.w3c.www.webdav.xml.DAVPropertyBehavior; import org.w3c.www.webdav.xml.DAVPropFind; import org.w3c.www.webdav.xml.DAVPropStat; import org.w3c.www.webdav.xml.DAVProperties; import org.w3c.www.webdav.xml.DAVPropertyUpdate; import org.w3c.www.webdav.xml.DAVResponse; /** * @version $Revision: 1.39 $ * @author Beno�t Mah� (bmahe@w3.org) */ public class DAVFrame extends PostableFrame { public static final boolean debug = false; public static final boolean debugxml = false; /** * Condition check return code - Condition existed and succeeded. * And lock has been checked */ public static final int COND_OK_LOCK = 3; /** * Cached mime type */ protected static HttpMimeType xmlcontenttype = null; protected static HttpMimeType collectioncontenttype = null; protected static boolean isReadOnly(String propname) { return (propname.equals(DAVNode.CREATIONDATE_NODE) || propname.equals(DAVNode.GETCONTENTLENGTH_NODE) || propname.equals(DAVNode.GETETAG_NODE) || propname.equals(DAVNode.GETLASTMODIFIED_NODE)); } protected static boolean acceptRedirect(DAVRequest request) { String method = request.getMethod(); return ! (method.equals("PROPPATCH") || method.equals("PROPFIND") || method.equals("COPY") || method.equals("MOVE") || method.equals("DELETE") || method.equals("LOCK") || method.equals("UNLOCK")); } /** * The DAVManager we use. */ protected org.w3c.www.protocol.webdav.DAVManager manager = null; /** * Name ot the state to hold the remaining path (used with MKCOL) */ public final static String REMAINING_PATH = "org.w3c.jigsaw.webdav.rpath"; public final static String LOCK_USERNAME = "org.w3c.jigsaw.webdav.user"; public final static String LOCK_TOKEN = "org.w3c.jigsaw.webdav.token"; public final static String LOCK_OWNER = "org.w3c.jigsaw.webdav.owner"; public final static String LOCK_EXPIRE = "org.w3c.jigsaw.webdav.expire"; public final static String LOCK_TIMEOUT = "org.w3c.jigsaw.webdav.timeout"; public final static String LOCKED_REREFENCE = "org.w3c.jigsaw.webdav.reference"; public final static Long DEFAULT_LOCK_TIMEOUT = new Long(24 * 60 * 60 * 1000); // 1 day public final static Long MAX_LOCK_TIMEOUT = new Long(7 * 24 * 60 * 60 * 1000); // 1 week /** * Attribute index - The index for the creation date attribute. */ protected static int ATTR_CREATION_DATE = -1 ; /** * Attribute index - The index for the dead properties */ protected static int ATTR_DEAD_PROPERTIES = -1 ; /** * Attribute index - The index for the lock token */ protected static int ATTR_LOCK_TOKEN = -1 ; /** * Attribute index - The index for the lock token */ protected static int ATTR_LOCK_TIMEOUT = -1 ; /** * Attribute index - The index for the lock date */ protected static int ATTR_LOCK_DATE = -1 ; /** * Attribute index - The index for the lock depth */ protected static int ATTR_LOCK_DEPTH = -1 ; /** * Attribute index - The index for the lock owner */ protected static int ATTR_LOCK_OWNER = -1 ; /** * Attribute index - The index for the lock username */ protected static int ATTR_LOCK_USERNAME = -1 ; static { Class cls = null ; // Get a pointer to our own class: try { cls = Class.forName("org.w3c.jigsaw.webdav.DAVFrame") ; } catch (Exception ex) { ex.printStackTrace() ; System.exit(1) ; } // Our creation date Attribute a = new DateAttribute("creation-date", null, Attribute.COMPUTED) ; ATTR_CREATION_DATE = AttributeRegistry.registerAttribute(cls,a); // Our creation date a = new PropertiesAttribute("dead-properties", null, Attribute.COMPUTED) ; ATTR_DEAD_PROPERTIES = AttributeRegistry.registerAttribute(cls,a); // Our lock token (if any) a = new StringAttribute("lock-token", null, Attribute.COMPUTED) ; ATTR_LOCK_TOKEN = AttributeRegistry.registerAttribute(cls,a); // Our timeout token (if any) a = new DateAttribute("lock-timeout", null, Attribute.COMPUTED) ; ATTR_LOCK_TIMEOUT = AttributeRegistry.registerAttribute(cls,a); // Our lock token date a = new DateAttribute("lock-date", null, Attribute.COMPUTED) ; ATTR_LOCK_DATE = AttributeRegistry.registerAttribute(cls,a); // Our expire token (if any) a = new IntegerAttribute("lock-depth", null, Attribute.COMPUTED) ; ATTR_LOCK_DEPTH = AttributeRegi