/**
* Parses s and recreates the KeywordGroup from it.
*
* @param s The String representation obtained from KeywordGroup.toString()
*/
public static AbstractGroup fromString(String s, BibtexDatabase db, int version)
throws Exception {
if (!s.startsWith(KeywordGroup.ID)) {
throw new Exception(
"Internal error: KeywordGroup cannot be created from \""
+ s
+ "\". "
+ "Please report this on www.sf.net/projects/jabref");
}
QuotedStringTokenizer tok =
new QuotedStringTokenizer(
s.substring(KeywordGroup.ID.length()),
AbstractGroup.SEPARATOR,
AbstractGroup.QUOTE_CHAR);
switch (version) {
case 0:
{
String name = tok.nextToken();
String field = tok.nextToken();
String expression = tok.nextToken();
// assume caseSensitive=false and regExp=true for old groups
return new KeywordGroup(
StringUtil.unquote(name, AbstractGroup.QUOTE_CHAR),
StringUtil.unquote(field, AbstractGroup.QUOTE_CHAR),
StringUtil.unquote(expression, AbstractGroup.QUOTE_CHAR),
false,
true,
GroupHierarchyType.INDEPENDENT);
}
case 1:
case 2:
{
String name = tok.nextToken();
String field = tok.nextToken();
String expression = tok.nextToken();
boolean caseSensitive = Integer.parseInt(tok.nextToken()) == 1;
boolean regExp = Integer.parseInt(tok.nextToken()) == 1;
return new KeywordGroup(
StringUtil.unquote(name, AbstractGroup.QUOTE_CHAR),
StringUtil.unquote(field, AbstractGroup.QUOTE_CHAR),
StringUtil.unquote(expression, AbstractGroup.QUOTE_CHAR),
caseSensitive,
regExp,
GroupHierarchyType.INDEPENDENT);
}
case 3:
{
String name = tok.nextToken();
int context = Integer.parseInt(tok.nextToken());
String field = tok.nextToken();
String expression = tok.nextToken();
boolean caseSensitive = Integer.parseInt(tok.nextToken()) == 1;
boolean regExp = Integer.parseInt(tok.nextToken()) == 1;
return new KeywordGroup(
StringUtil.unquote(name, AbstractGroup.QUOTE_CHAR),
StringUtil.unquote(field, AbstractGroup.QUOTE_CHAR),
StringUtil.unquote(expression, AbstractGroup.QUOTE_CHAR),
caseSensitive,
regExp,
GroupHierarchyType.getByNumber(context));
}
default:
throw new UnsupportedVersionException("KeywordGroup", version);
}
}
/**
* Recursive worker method for the populateGroupsTable methods.
*
* @param cursor The current GroupTreeNode in the GroupsTree
* @param parentID The integer ID associated with the cursors's parent node
* @param currentID The integer value to associate with the cursor
* @param out The output (PrintStream or Connection) object to which the DML should be written.
* @param database_id Id of jabref database to which the groups/entries are part of
*/
private int populateGroupsTable(
GroupTreeNode cursor, int parentID, int currentID, Object out, int database_id)
throws SQLException {
AbstractGroup group = cursor.getGroup();
String searchField = null;
String searchExpr = null;
String caseSens = null;
String reg_exp = null;
GroupHierarchyType hierContext = group.getHierarchicalContext();
if (group instanceof KeywordGroup) {
searchField = ((KeywordGroup) group).getSearchField();
searchExpr = ((KeywordGroup) group).getSearchExpression();
caseSens = ((KeywordGroup) group).isCaseSensitive() ? "1" : "0";
reg_exp = ((KeywordGroup) group).isRegExp() ? "1" : "0";
} else if (group instanceof SearchGroup) {
searchExpr = ((SearchGroup) group).getSearchExpression();
caseSens = ((SearchGroup) group).isCaseSensitive() ? "1" : "0";
reg_exp = ((SearchGroup) group).isRegExp() ? "1" : "0";
}
// Protect all quotes in the group descriptions:
if (searchField != null) {
searchField = StringUtil.quote(searchField, "'", '\\');
}
if (searchExpr != null) {
searchExpr = StringUtil.quote(searchExpr, "'", '\\');
}
SQLUtil.processQuery(
out,
"INSERT INTO groups (label, parent_id, group_types_id, search_field, "
+ "search_expression, case_sensitive, reg_exp, hierarchical_context, database_id) "
+ "VALUES ('"
+ group.getName()
+ "', "
+ parentID
+ ", (SELECT group_types_id FROM group_types where label='"
+ group.getTypeId()
+ "')"
+ ", "
+ (searchField != null ? '\'' + searchField + '\'' : "NULL")
+ ", "
+ (searchExpr != null ? '\'' + searchExpr + '\'' : "NULL")
+ ", "
+ (caseSens != null ? '\'' + caseSens + '\'' : "NULL")
+ ", "
+ (reg_exp != null ? '\'' + reg_exp + '\'' : "NULL")
+ ", "
+ hierContext.ordinal()
+ ", '"
+ database_id
+ "');");
// recurse on child nodes (depth-first traversal)
Object response =
SQLUtil.processQueryWithResults(
out,
"SELECT groups_id FROM groups WHERE label='"
+ cursor.getGroup().getName()
+ "' AND database_id='"
+ database_id
+ "' AND parent_id='"
+ parentID
+ "';");
// setting values to ID and myID to be used in case of textual SQL
// export
int myID = currentID;
if (response instanceof Statement) {
ResultSet rs = ((Statement) response).getResultSet();
rs.next();
myID = rs.getInt("groups_id");
}
for (Enumeration<GroupTreeNode> e = cursor.children(); e.hasMoreElements(); ) {
++currentID;
currentID = populateGroupsTable(e.nextElement(), myID, currentID, out, database_id);
}
return currentID;
}