Annotation of java/classes/org/w3c/jigsaw/servlet/JigsawServletContext.java, revision 1.1
1.1 ! bmahe 1: // JigsawServletContext.java
! 2: // $Id$
! 3: // (c) COPYRIGHT MIT and INRIA, 1998.
! 4: // Please first read the full copyright statement in file COPYRIGHT.html
! 5:
! 6: package org.w3c.jigsaw.servlet;
! 7:
! 8: import java.io.*;
! 9: import java.net.*;
! 10: import java.util.*;
! 11:
! 12: import javax.servlet.*;
! 13:
! 14: import org.w3c.tools.resources.store.*;
! 15: import org.w3c.tools.resources.*;
! 16: import org.w3c.jigsaw.frames.*;
! 17:
! 18: /**
! 19: * @version $Revision$
! 20: * @author Benoît Mahé (bmahe@w3.org)
! 21: */
! 22: public class JigsawServletContext implements ServletContext {
! 23:
! 24: private ResourceReference reference = null;
! 25:
! 26: /**
! 27: * A useful utility routine that tries to guess the content-type
! 28: * of an object based upon its extension.
! 29: */
! 30: protected static String guessContentTypeFromName(String fname) {
! 31: String ext = "";
! 32: int i = fname.lastIndexOf('#');
! 33:
! 34: if (i != -1)
! 35: fname = fname.substring(0, i - 1);
! 36: i = fname.lastIndexOf('.');
! 37: i = Math.max(i, fname.lastIndexOf('/'));
! 38: i = Math.max(i, fname.lastIndexOf('?'));
! 39:
! 40: if (i != -1 && fname.charAt(i) == '.') {
! 41: ext = fname.substring(i).toLowerCase();
! 42: }
! 43: return (String) extension_map.get(ext);
! 44: }
! 45:
! 46: static Hashtable extension_map = new Hashtable();
! 47:
! 48: static {
! 49: setSuffix("", "content/unknown");
! 50: setSuffix(".uu", "application/octet-stream");
! 51: setSuffix(".saveme", "application/octet-stream");
! 52: setSuffix(".dump", "application/octet-stream");
! 53: setSuffix(".hqx", "application/octet-stream");
! 54: setSuffix(".arc", "application/octet-stream");
! 55: setSuffix(".o", "application/octet-stream");
! 56: setSuffix(".a", "application/octet-stream");
! 57: setSuffix(".bin", "application/octet-stream");
! 58: setSuffix(".exe", "application/octet-stream");
! 59: /* Temporary only. */
! 60: setSuffix(".z", "application/octet-stream");
! 61: setSuffix(".gz", "application/octet-stream");
! 62:
! 63: setSuffix(".oda", "application/oda");
! 64: setSuffix(".pdf", "application/pdf");
! 65: setSuffix(".eps", "application/postscript");
! 66: setSuffix(".ai", "application/postscript");
! 67: setSuffix(".ps", "application/postscript");
! 68: setSuffix(".rtf", "application/rtf");
! 69: setSuffix(".dvi", "application/x-dvi");
! 70: setSuffix(".hdf", "application/x-hdf");
! 71: setSuffix(".latex", "application/x-latex");
! 72: setSuffix(".cdf", "application/x-netcdf");
! 73: setSuffix(".nc", "application/x-netcdf");
! 74: setSuffix(".tex", "application/x-tex");
! 75: setSuffix(".texinfo", "application/x-texinfo");
! 76: setSuffix(".texi", "application/x-texinfo");
! 77: setSuffix(".t", "application/x-troff");
! 78: setSuffix(".tr", "application/x-troff");
! 79: setSuffix(".roff", "application/x-troff");
! 80: setSuffix(".man", "application/x-troff-man");
! 81: setSuffix(".me", "application/x-troff-me");
! 82: setSuffix(".ms", "application/x-troff-ms");
! 83: setSuffix(".src", "application/x-wais-source");
! 84: setSuffix(".wsrc", "application/x-wais-source");
! 85: setSuffix(".zip", "application/zip");
! 86: setSuffix(".bcpio", "application/x-bcpio");
! 87: setSuffix(".cpio", "application/x-cpio");
! 88: setSuffix(".gtar", "application/x-gtar");
! 89: setSuffix(".shar", "application/x-shar");
! 90: setSuffix(".sh", "application/x-shar");
! 91: setSuffix(".sv4cpio", "application/x-sv4cpio");
! 92: setSuffix(".sv4crc", "application/x-sv4crc");
! 93: setSuffix(".tar", "application/x-tar");
! 94: setSuffix(".ustar", "application/x-ustar");
! 95: setSuffix(".snd", "audio/basic");
! 96: setSuffix(".au", "audio/basic");
! 97: setSuffix(".aifc", "audio/x-aiff");
! 98: setSuffix(".aif", "audio/x-aiff");
! 99: setSuffix(".aiff", "audio/x-aiff");
! 100: setSuffix(".wav", "audio/x-wav");
! 101: setSuffix(".gif", "image/gif");
! 102: setSuffix(".ief", "image/ief");
! 103: setSuffix(".jfif", "image/jpeg");
! 104: setSuffix(".jfif-tbnl", "image/jpeg");
! 105: setSuffix(".jpe", "image/jpeg");
! 106: setSuffix(".jpg", "image/jpeg");
! 107: setSuffix(".jpeg", "image/jpeg");
! 108: setSuffix(".tif", "image/tiff");
! 109: setSuffix(".tiff", "image/tiff");
! 110: setSuffix(".ras", "image/x-cmu-rast");
! 111: setSuffix(".pnm", "image/x-portable-anymap");
! 112: setSuffix(".pbm", "image/x-portable-bitmap");
! 113: setSuffix(".pgm", "image/x-portable-graymap");
! 114: setSuffix(".ppm", "image/x-portable-pixmap");
! 115: setSuffix(".rgb", "image/x-rgb");
! 116: setSuffix(".xbm", "image/x-xbitmap");
! 117: setSuffix(".xpm", "image/x-xpixmap");
! 118: setSuffix(".xwd", "image/x-xwindowdump");
! 119: setSuffix(".htm", "text/html");
! 120: setSuffix(".html", "text/html");
! 121: setSuffix(".text", "text/plain");
! 122: setSuffix(".c", "text/plain");
! 123: setSuffix(".cc", "text/plain");
! 124: setSuffix(".c++", "text/plain");
! 125: setSuffix(".h", "text/plain");
! 126: setSuffix(".pl", "text/plain");
! 127: setSuffix(".txt", "text/plain");
! 128: setSuffix(".java", "text/plain");
! 129: setSuffix(".rtx", "application/rtf");
! 130: setSuffix(".tsv", "text/tab-separated-values");
! 131: setSuffix(".etx", "text/x-setext");
! 132: setSuffix(".mpg", "video/mpeg");
! 133: setSuffix(".mpe", "video/mpeg");
! 134: setSuffix(".mpeg", "video/mpeg");
! 135: setSuffix(".mov", "video/quicktime");
! 136: setSuffix(".qt", "video/quicktime");
! 137: setSuffix(".avi", "application/x-troff-msvideo");
! 138: setSuffix(".movie", "video/x-sgi-movie");
! 139: setSuffix(".mv", "video/x-sgi-movie");
! 140: setSuffix(".mime", "message/rfc822");
! 141: }
! 142:
! 143: static private void setSuffix(String ext, String ct) {
! 144: extension_map.put(ext, ct);
! 145: }
! 146:
! 147: /**
! 148: * ServletContext implementation - Get the MIME type for given file.
! 149: */
! 150:
! 151: public String getMimeType(String filename) {
! 152: return guessContentTypeFromName(filename);
! 153: }
! 154:
! 155: public File getDirectory() {
! 156: try {
! 157: Resource res = reference.lock();
! 158: return ((ServletDirectoryFrame)res).getDirectory();
! 159: } catch(InvalidResourceException ex) {
! 160: ex.printStackTrace();
! 161: return null;
! 162: } finally {
! 163: reference.unlock();
! 164: }
! 165: }
! 166:
! 167: /**
! 168: * ServletContext implementation - Lookup a given servlet.
! 169: */
! 170:
! 171: public Servlet getServlet(String name) {
! 172: try {
! 173: Resource res = reference.lock();
! 174: return ((ServletDirectoryFrame)res).getServlet(name);
! 175: } catch(InvalidResourceException ex) {
! 176: ex.printStackTrace();
! 177: return null;
! 178: } finally {
! 179: reference.unlock();
! 180: }
! 181: }
! 182:
! 183: /**
! 184: * ServletContext implementation - Enumerate all servlets within context.
! 185: */
! 186:
! 187: public Enumeration getServlets() {
! 188: try {
! 189: Resource res = reference.lock();
! 190: return ((ServletDirectoryFrame)res).getServlets();
! 191: } catch(InvalidResourceException ex) {
! 192: ex.printStackTrace();
! 193: return null;
! 194: } finally {
! 195: reference.unlock();
! 196: }
! 197: }
! 198:
! 199: public Enumeration getServletNames() {
! 200: return getServlets();
! 201: }
! 202:
! 203: /**
! 204: * ServletContext implementation - Log a message.
! 205: */
! 206:
! 207: public void log(String msg) {
! 208: System.out.println(msg);
! 209: }
! 210:
! 211: public void log(Exception ex, String msg) {
! 212: log(msg+" : "+ex.getMessage());
! 213: }
! 214:
! 215: /**
! 216: * ServletContext implementation - Translate a piece of path.
! 217: */
! 218:
! 219: public String getRealPath(String path) {
! 220: return path;
! 221: }
! 222:
! 223: /**
! 224: * ServletContext implementation - Get server informations.
! 225: */
! 226:
! 227: public String getServerInfo() {
! 228: try {
! 229: Resource res = reference.lock();
! 230: return ((ServletDirectoryFrame)res).getServerInfo();
! 231: } catch(InvalidResourceException ex) {
! 232: ex.printStackTrace();
! 233: return null;
! 234: } finally {
! 235: reference.unlock();
! 236: }
! 237: }
! 238:
! 239: /**
! 240: * ServletContext implementation - Get an attribute value.
! 241: * We map this into the ServletWrapper attributes, without
! 242: * support for name clashes though.
! 243: * @param name The attribute name.
! 244: */
! 245:
! 246: public Object getAttribute(String name) {
! 247: try {
! 248: Resource res = reference.lock();
! 249: return ((ServletDirectoryFrame)res).getAttribute(name);
! 250: } catch(InvalidResourceException ex) {
! 251: ex.printStackTrace();
! 252: return null;
! 253: } finally {
! 254: reference.unlock();
! 255: }
! 256: }
! 257:
! 258: /**
! 259: * Create a new ServletContext.
! 260: * @param ref a ResourceReference pointing on a ServletDirectoryFrame.
! 261: */
! 262: protected JigsawServletContext(ResourceReference ref ) {
! 263: this.reference = ref;
! 264: }
! 265:
! 266: }
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