/** base class for XWT resources */
public abstract class Res extends JS {
- public String getDescriptiveName() { return "FIXME"; }
-
- /** if this Res corresponds to a Template, it is cached here */
- Template t = null;
+ public String getDescriptiveName() { return ""; }
/** cache of subresources so that the equality operator works on them */
private Hash refCache = null;
+ public Template t = null;
+
+ public Res getParent() { return null; }
+
/** returns an InputStream containing the Resource's contents */
public InputStream getInputStream() throws IOException { return getInputStream(""); }
public abstract InputStream getInputStream(String path) throws IOException;
return ret;
}
- public static Res stringToRes(String url) {
+ public static Res stringToRes(String url) { return stringToRes(url, false); }
+ public static Res stringToRes(String url, boolean permitLocalFilesystem) {
if (url.indexOf('!') != -1)
return (Res)(new Zip(stringToRes(url.substring(0, url.lastIndexOf('!')))).get(url.substring(url.lastIndexOf('!') + 1)));
if (url.startsWith("http://")) return new HTTP(url);
if (url.startsWith("https://")) return new HTTP(url);
- if (url.startsWith("file:")) return new File(url.substring(5));
+ if (url.startsWith("file:") && permitLocalFilesystem) return new File(url.substring(5));
if (url.startsWith("cab:")) return new CAB(stringToRes(url.substring(4)));
- throw new JS.Exn("invalid resource specifier");
+ throw new JS.Exn("invalid resource specifier " + url);
}
/** HTTP or HTTPS resource */
}
}
- // FIXME: dangerous
/** a file */
public static class File extends Res {
private String path;
Res parent;
Object key;
Ref(Res parent, Object key) { this.parent = parent; this.key = key; }
+ public String getDescriptiveName() {
+ String pdn = parent.getDescriptiveName();
+ return pdn.equals("") ? key.toString() : (pdn + "." + key.toString());
+ }
public Res addExtension(String extension) {
return (key instanceof String && ((String)key).endsWith(extension)) ? this : new Ref(parent, key + extension);
}
public InputStream getInputStream(String path) throws IOException {
return parent.getInputStream("/" + key + path);
}
+ public Res getParent() { return parent; }
public Res graft(Object newResource) { return new Graft(parent, key, newResource); }
}
public int hashCode() { return graftee.hashCode(); }
public InputStream getInputStream(String s) throws IOException { return graftee.getInputStream(s); }
public Object get(Object key) { return replaced_key.equals(key) ? replaced_val : graftee.get(key); }
+ public String getDescriptiveName() { return graftee.getDescriptiveName(); }
+ public Res getParent() { return graftee.getParent(); }
}
/** unpacks a Microsoft CAB file (possibly embedded in another file; we scan for 'MSCF' */