public final class XMLFileSystem extends AbstractFileSystem
Description of format of XML file (which can be parsed by XMLFileSystem)
==================================================================
Allowed Elements: filesystem,file,folder,attr
Mandatory attributes:
-for filesystem version=... (e.g. "1.0")
-for file,folder,attr name=.... (e.g.: <folder name="Config">)
-for attr is mandatory one of bytevalue,shortvalue,intvalue,longvalue,floatvalue,doublevalue,boolvalue,charvalue,stringvalue,methodvalue,serialvalue,urlvalue,bundlevalue
Allowed atributes:
-for file: url=.... (e.g.: <file name="sample.xml" url="file:/c:/sample.xml">)
-for folder,filesystem nothing allowed
Note: file can contain content e.g.:
< file name="sample.java">
< ![CDATA[
package org.sample;
import java.io;
]]>
< /file>
But using url="..." is preferred.
This class implements virtual FileSystem. It is special case of FileSystem in XML format.
Description of this format best ilustrate DTD file
that is showed in the following few lines:
< !ELEMENT filesystem (file | folder)*>
< !ATTLIST filesystem version CDATA #REQUIRED> //version not checkked yet
< !ELEMENT folder (file |folder | attr)*>
< !ATTLIST folder name CDATA #REQUIRED> //name of folder
< !ELEMENT file (#PCDATA | attr)*>
< !ATTLIST file name CDATA #REQUIRED> //name of file
< !ATTLIST file url CDATA #IMPLIED> //content of the file can be find at url
< !ELEMENT attr EMPTY>
< !ATTLIST attr name CDATA #REQUIRED> //name of attribute
< !ATTLIST attr bytevalue CDATA #IMPLIED>//the rest - types of attributes
< !ATTLIST attr shortvalue CDATA #IMPLIED>
< !ATTLIST attr intvalue CDATA #IMPLIED>
< !ATTLIST attribute longvalue CDATA #IMPLIED>
< !ATTLIST attr floatvalue CDATA #IMPLIED>
< !ATTLIST attr doublevalue CDATA #IMPLIED>
< !ATTLIST attr boolvalue CDATA #IMPLIED>
< !ATTLIST attr charvalue CDATA #IMPLIED>
< !ATTLIST attr stringvalue CDATA #IMPLIED>
< !ATTLIST attr methodvalue CDATA #IMPLIED>
< !ATTLIST attr newvalue CDATA #IMPLIED>
< !ATTLIST attr serialvalue CDATA #IMPLIED>
< !ATTLIST attr urlvalue CDATA #IMPLIED>
< !ATTLIST attr bundlevalue CDATA #IMPLIED> <!-- since version 7.10 -->
The methodvalue attribute can be in form of pgk1.pkg2.ClassName.methodName
which should point to existing class with static method usually having no, one
or two arguments. This method does not need to be public or in public class, if
the filesystem has permissions to call the method. The method can take one
of the following signatures: