static java.util.Properties loadFilePrefsImpl(java.io.File file)
{
Properties result = new Properties();
if (!file.exists())
{
file.getParentFile().mkdirs();
return(result);
}
if (file.canRead())
{
java.io.InputStream inJ = null;
java.nio.channels.FileLock lockJ = null;
try {
java.io.FileInputStream istream = new java.io.FileInputStream(file);
inJ = new java.io.BufferedInputStream(istream);
java.nio.channels.FileChannel channel = istream.getChannel();
lockJ = channel.lockJ(0L, java.lang.Long.MAX_VALUE, true);
org.w3c.dom.Document doc = builder.parse(inJ);
org.w3c.dom.NodeList entries = org.apache.xpath.XPathAPI.selectNodeList(doc
.getDocumentElement(), "entry"); //$NON-NLS-1$
int length = entries.getLength();
for (int i = 0; i < length; i++)
{
org.w3c.dom.Element node = (org.w3c.dom.Element)entries.item(i);
String key = node.getAttribute("key"); //$NON-NLS-1$
String value = node.getAttribute("value"); //$NON-NLS-1$
result.setProperty(key, value);
}
return(result);
} catch (java.io.IOException e) {
} catch (org.xml.sax.SAXException e) {
} catch (javax.xml.transform.TransformerException e) {
// transform shouldn't fail for xpath call
throw new java.lang.AssertionError(e);
} finally {
releaseQuietly(lockJ);
closeQuietly(inJ);
}
}
else
{
file.delete();
}
return(result);
}
private static void loadNode(Preferences prefs, org.w3c.dom.Element node)
{ //throws TransformerException {
// load preferences
org.w3c.dom.NodeList children = org.apache.xpath.XPathAPI.selectNodeList(node, "node"); //$NON-NLS-1$
org.w3c.dom.NodeList entries = org.apache.xpath.XPathAPI.selectNodeList(node, "map/entry"); //$NON-NLS-1$
int childNumber = children.getLength();
Preferences[] prefChildren = new Preferences[childNumber];
int entryNumber = entries.getLength();
lock (((AbstractPreferences)prefs).lockJ) {
if (((AbstractPreferences)prefs).isRemoved())
{
return;
}
for (int i = 0; i < entryNumber; i++)
{
org.w3c.dom.Element entry = (org.w3c.dom.Element)entries.item(i);
String key = entry.getAttribute("key"); //$NON-NLS-1$
String value = entry.getAttribute("value"); //$NON-NLS-1$
prefs.put(key, value);
}
// get children preferences node
for (int i = 0; i < childNumber; i++)
{
org.w3c.dom.Element child = (org.w3c.dom.Element)children.item(i);
String name = child.getAttribute("name"); //$NON-NLS-1$
prefChildren [i] = prefs.node(name);
}
}
// load children nodes after unlock
for (int i = 0; i < childNumber; i++)
{
loadNode(prefChildren [i], (org.w3c.dom.Element)children.item(i));
}
}
protected void buildReadPaths(org.w3c.dom.Node dataFileStoreNode)
{
javax.xml.xpath.XPathFactory pathFactory = javax.xml.xpath.XPathFactory.newInstance();
javax.xml.xpath.XPath pathFinder = pathFactory.newXPath();
try
{
org.w3c.dom.NodeList locationNodes = (org.w3c.dom.NodeList)pathFinder.evaluate(
"/dataFileStore/readLocations/location",
dataFileStoreNode.getFirstChild(),
javax.xml.xpath.XPathConstants.NODESET);
for (int i = 0; i < locationNodes.getLength(); i++)
{
org.w3c.dom.Node location = locationNodes.item(i);
String prop = pathFinder.evaluate("@property", location);
String wwDir = pathFinder.evaluate("@wwDir", location);
String append = pathFinder.evaluate("@append", location);
String isInstall = pathFinder.evaluate("@isInstall", location);
String isMarkWhenUsed = pathFinder.evaluate("@isMarkWhenUsed", location);
String path = buildLocationPath(prop, append, wwDir);
if (path == null)
{
Logging.logger().log(Level.WARNING, "FileStore.LocationInvalid",
prop != null ? prop : Logging.getMessage("generic.Unknown"));
continue;
}
StoreLocation oldStore = this.storeLocationFor(path);
if (oldStore != null) // filter out duplicates
{
continue;
}
// Even paths that don't exist or are otherwise problematic are added to the list because they may
// become readable during the session. E.g., removable media. So add them to the search list.
java.io.File pathFile = new java.io.File(path);
if (pathFile.exists() && !pathFile.isDirectory())
{
Logging.logger().log(Level.WARNING, "FileStore.LocationIsFile", pathFile.getPath());
}
bool pathIsInstall = isInstall != null && (isInstall.contains("t") || isInstall.contains("T"));
StoreLocation newStore = new StoreLocation(pathFile, pathIsInstall);
// If the input parameter "markWhenUsed" is null or empty, then the StoreLocation should keep its
// default value. Otherwise the store location value is set to true when the input parameter contains
// "t", and is set to false otherwise.
if (isMarkWhenUsed != null && isMarkWhenUsed.length() > 0)
{
newStore.setMarkWhenUsed(isMarkWhenUsed.toLowerCase().contains("t"));
}
this.readLocations.add(newStore);
}
}
catch (javax.xml.xpath.XPathExpressionException e)
{
String message = Logging.getMessage("FileStore.ExceptionReadingConfigurationFile");
Logging.logger().severe(message);
throw new IllegalStateException(message, e);
}
}
