@Override
public void refreshStatus() {
super.refreshStatus();
// refresh coordinates from system
String cooString = this.getSystemProperty(CP_COORDINATE);
InMemoSharkKB imkb = null;
imkb = new InMemoSharkKB();
XMLSerializer xs = new XMLSerializer();
try {
// create in memory copy and use it
this.setContextCoordinates(xs.deserializeContextCoordinates(imkb, cooString));
} catch (SharkKBException ex) {
L.w(
"cannot deserialize context coordinates from persistent storage: " + ex.getMessage(),
this);
}
// info folder
String foldernames = this.getSystemProperty(INFO_FOLDERNAME_PROPERTY);
if (foldernames != null) {
this.infoFolder = Util.string2Vector(foldernames, DELIMITER);
if (this.infoFolder != null) {
// recreate Information
Enumeration<String> infoFoldernameEnum = this.infoFolder.elements();
while (infoFoldernameEnum.hasMoreElements()) {
String infoFoldername = infoFoldernameEnum.nextElement();
// create property holder
FSPropertyHolder fsph = new FSPropertyHolder(infoFoldername);
// create cp with this propery holder
FSInformation fsInfo;
try {
fsInfo = new FSInformation(fsph);
fsInfo.refreshStatus();
// add it to memory
super.putInformation(fsInfo);
} catch (SharkKBException ex) {
//
}
}
}
} else {
L.w(
"strange: there was a cp read from file without information - that cp shouldn't exist: TODO",
this);
}
}
/**
* make a copy in this fs implementation
*
* @param info
*/
@Override
public void addInformation(Information info) {
FSInformation infoCopy = this.addInformation();
Util.copyPropertiesFromPropertyHolderToPropertyHolder(info, infoCopy);
OutputStream writeAccess = infoCopy.getOutputStream();
InputStream readAccess = null;
try {
readAccess = info.getInputStream();
} catch (SharkKBException e) {
}
info.streamContent(writeAccess);
try {
// close stream
writeAccess.close();
} catch (IOException ex) {
L.d("cannot write fileoutputstream - strange", this);
}
/* information might have name and content-type
* It looks very strange and actually it is:
*
* But.. Info becomes aware of its name and content-type
* by resetting.
*/
String value = info.getName();
try {
infoCopy.setName(value);
} catch (SharkKBException ex) {
// this error can not be thrown, because the name was already
// checked when the name of the infoCopy was set and therefore it can not contain false
// characters
}
value = info.getContentType();
infoCopy.setContentType(value);
}
/** write status into system properties */
@Override
public void persist() {
super.persist();
XMLSerializer xs = new XMLSerializer();
try {
String cooString = xs.serializeSharkCS(this.getContextCoordinates());
// save
this.setSystemProperty(CP_COORDINATE, cooString);
} catch (SharkKBException ex) {
L.w(ex.getMessage(), this);
}
if (this.infoFolder != null) {
// info folder
String foldernames = Util.enumeration2String(this.infoFolder.elements(), DELIMITER);
if (foldernames != null && foldernames.length() > 0) {
this.setSystemProperty(INFO_FOLDERNAME_PROPERTY, foldernames);
}
}
}