/**
* Takes a line and looks for an archive request tag. If one is found, the information from the
* tag is returned as an <CODE>ArchiveRequest</CODE>. If a tag is found, the data in the tag is
* stored in the <CODE>HashMap</CODE> provided.
*
* @param currentLine The line in which to look for the archive tag.
* @param group The <CODE>ArchiveGroup</CODE> to which to add the <CODE>ArchiveRequest</CODE>. Can
* be <CODE>null</CODE>.
* @param template The <CODE>Template</CODE> to which the <CODE>ArchiveRequest</CODE> belongs.
* @return The archive request tag data as an instance of <CODE>ArchiveRequest</CODE>, <CODE>null
* </CODE> if the line passed in does not contain an arFile tag.
*/
private ArchiveRequest parseArchiveRequestTag(
String currentLine, ArchiveGroup group, Template template) {
ArchiveRequest archiveTag;
Matcher currentMatcher = archiveRequestPattern.matcher(currentLine);
if (currentMatcher.find()) {
String fileName = currentMatcher.group(1);
archiveTag = template.getArchiveRequest(fileName);
if (archiveTag == null) {
archiveTag = new ArchiveRequest(fileName);
template.addArchiveRequest(archiveTag);
}
if (group != null) {
// Creating a new request object because the requests
// in the groups flagged as not in database will mean the
// group - request association is not in database. Requests
// in the archiveRequests map flagged as not in database
// means the request record is not there.
String requestFileName = archiveTag.getFileName();
String requestFileLocation = archiveTag.getFileLocation();
ArchiveRequest groupRequest = new ArchiveRequest(requestFileLocation, requestFileName);
group.addArchiveRequest(groupRequest);
}
} else archiveTag = null;
return archiveTag;
}
/**
* Parses the files passed into the <CODE>setTemplateFiles</CODE> method. The data extracted from
* the template files is returned.
*/
public void parse() {
setMessage("Parsing Files");
templates.clear();
importedFieldCount = 0;
importedMacroCount = 0;
File[] templateFiles = getTemplateFiles();
resetParseCanceled();
int totalFileSize = 0;
for (int i = 0; i < templateFiles.length; i++)
if (templateFiles[i].exists()) totalFileSize += (int) templateFiles[i].length();
setProgressMaximum(totalFileSize);
int progress = 0;
setProgressValue(0);
setProgressIndeterminate(false);
for (int i = 0; i < templateFiles.length; i++) {
String currentFilePath = templateFiles[i].getAbsolutePath();
Timestamp modifiedDate = new Timestamp(templateFiles[i].lastModified());
Template currentTemplate = new Template(currentFilePath, modifiedDate);
String[] nameParts = templateFiles[i].getName().split("\\.");
if (nameParts != null && nameParts.length > 0) currentTemplate.setID(nameParts[0]);
templates.add(currentTemplate);
try {
BufferedReader iStream = new BufferedReader(new FileReader(templateFiles[i]));
try {
String currentLine = iStream.readLine();
Signal currentSignal = null, archiveTag = null;
ArchiveRequest request = null;
ArchiveGroup group = null;
HashMap archiveSignals = new HashMap();
int lineNumber = 0;
int braceCount = 0;
while (currentLine != null) // null indicates EOF
{
lineNumber++;
if (currentLine.trim().startsWith("#")) // Comments start with #
{
// Comments start with #. Archive information is embedded in comments.
ArchiveGroup newGroup = parseArchiveGroupTag(currentLine, currentTemplate);
if (newGroup != null) group = newGroup;
else {
ArchiveRequest newRequest =
parseArchiveRequestTag(currentLine, group, currentTemplate);
if (newRequest != null) request = newRequest;
else {
Signal newArchiveTag = parseArchiveTag(currentLine);
if (newArchiveTag != null) {
if (archiveTag != null) // Tag was not used in request. Use for defaults.
archiveSignals.put(archiveTag.getID(), archiveTag);
archiveTag = newArchiveTag;
}
}
}
} else {
Matcher macroMatcher = macroPattern.matcher(currentLine);
if (macroMatcher.find()) {
String macro = macroMatcher.group(1);
if (!currentTemplate.containsMacro(macro)) {
importedMacroCount++;
currentTemplate.addMacro(macro);
}
}
int linePosition = 0;
int lineLength = currentLine.length();
while (linePosition < lineLength) {
int openBracePosition = currentLine.indexOf('{', linePosition);
int closeBracePosition = currentLine.indexOf('}', linePosition);
if (currentSignal == null || braceCount == 0) {
// Got no signal or the brace was never opened...
Matcher recordMatcher = recordPattern.matcher(currentLine);
if (recordMatcher.find(linePosition))
if (openBracePosition < 0 || recordMatcher.start() < openBracePosition) {
linePosition = recordMatcher.end();
SignalType currentSignalType = new SignalType();
String recordType = recordMatcher.group(1);
currentSignalType.setRecordType(new EpicsRecordType(recordType));
String signalID = recordMatcher.group(2);
currentSignal = new Signal(signalID);
currentSignal.setType(currentSignalType);
if (archiveTag != null)
archiveSignals.put(archiveTag.getID(), archiveTag); // Use as defaults.
archiveTag = (Signal) archiveSignals.get(signalID);
if (archiveTag != null) {
currentSignal.setArchiveIndicator("Y");
currentSignal.setArchiveType(archiveTag.getArchiveType());
currentSignal.setArchiveFrequency(archiveTag.getArchiveFrequency());
// Must use a new instance of signal since each request has different
// values for type, frequency, etc.
if (request != null && request.getSignal(signalID) == null)
request.addSignal(new Signal(signalID));
currentSignal.setArchiveIndicator("Y");
currentSignal.setArchiveType(archiveTag.getArchiveType());
currentSignal.setArchiveFrequency(archiveTag.getArchiveFrequency());
}
currentTemplate.addSignal(currentSignal);
archiveTag = null; // Reset so is not used twice.
continue; // Go back and check the line position against length.
}
}
if (braceCount == 0 && currentSignal != null && openBracePosition >= linePosition) {
// Got the signal, need the open brace.
linePosition = openBracePosition + 1;
braceCount++;
continue; // Go back and check the line position against length.
}
if (braceCount > 0) {
// Looking for fields or the close brace.
Matcher fieldMatcher = fieldPattern.matcher(currentLine);
if (fieldMatcher.find(linePosition))
if (closeBracePosition < 0 || fieldMatcher.start() < closeBracePosition) {
// Found a field...
linePosition = fieldMatcher.end();
SignalField currentField = new SignalField();
String currentFieldID = fieldMatcher.group(1);
currentField.setType(new SignalFieldType(currentFieldID));
currentField.setValue(fieldMatcher.group(2));
currentSignal.addField(currentField);
importedFieldCount++;
continue;
}
if (closeBracePosition >= 0) {
// Found end of current signal.
braceCount--;
linePosition = closeBracePosition + 1;
currentSignal = null;
continue;
}
}
linePosition = lineLength;
if (isParseCanceled()) break;
}
}
progress += currentLine.length() + 1;
setProgressValue(progress);
currentLine = iStream.readLine();
if (isParseCanceled()) break;
}
} finally {
iStream.close();
}
} catch (java.io.FileNotFoundException ex) {
StringBuffer errorMessage = new StringBuffer("<HTML><FONT COLOR=RED>Unable to open file '");
errorMessage.append(templateFiles[i].getAbsoluteFile());
errorMessage.append("'.</FONT></HTML>");
addMessage(errorMessage.toString());
} catch (java.io.IOException ex) {
ex.printStackTrace();
StringBuffer errorMessage = new StringBuffer("<HTML><FONT COLOR=RED>IO Error: ");
errorMessage.append(ex.getMessage());
errorMessage.append("</FONT></HTML>");
addMessage(errorMessage.toString());
}
if (isParseCanceled()) break;
}
}
/**
* Saves the templates to the database.
*
* @throws java.sql.SQLException Thrown on sql error.
*/
public void saveToDatabase() throws java.sql.SQLException {
setProgressIndeterminate(true);
setMessage("Saving Templates");
ArrayList templates = getTemplates();
Connection oracleConnection = getDataSource().getConnection();
try {
oracleConnection.setAutoCommit(false);
Statement query = oracleConnection.createStatement();
try {
int templateCount = templates.size();
// First remove any existing entries.
StringBuffer sql = new StringBuffer("DELETE FROM ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(".TMPL_SGNL_FLD");
StringBuffer whereClause = new StringBuffer(" WHERE TMPL_ID IN (");
for (int i = 0; i < templateCount; i++) {
if (i > 0) whereClause.append(", ");
whereClause.append("'");
whereClause.append(((Template) templates.get(i)).getID());
whereClause.append("'");
}
whereClause.append(")");
sql.append(whereClause);
query.execute(sql.toString());
sql = new StringBuffer("DELETE FROM ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(".TMPL_MACRO");
sql.append(whereClause);
query.execute(sql.toString());
sql = new StringBuffer("DELETE FROM ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(".TMPL_SGNL_REC");
sql.append(whereClause);
query.execute(sql.toString());
sql = new StringBuffer("DELETE FROM ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(".TMPL_SGNL_FLD");
sql.append(whereClause);
query.execute(sql.toString());
sql = new StringBuffer("DELETE FROM ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(".TEMPLATE");
sql.append(whereClause);
query.execute(sql.toString());
sql = new StringBuffer("DELETE FROM ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(".TMPL_ARCH_REQ");
sql.append(whereClause);
query.execute(sql.toString());
sql = new StringBuffer("DELETE FROM ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(".TMPL_ARCH_REQ_GRP");
sql.append(whereClause);
query.execute(sql.toString());
sql = new StringBuffer("DELETE FROM ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(".TMPL_ARCH_REQ_GRP_ARCH_REQ");
sql.append(whereClause);
query.execute(sql.toString());
sql = new StringBuffer("INSERT INTO ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(
".TEMPLATE (TMPL_ID, TMPL_DESC, EXT_SRC_FILE_NM, EXT_SRC_FILE_MOD_DTE) VALUES (?, ?, ?, ?)");
PreparedStatement templateInsertStatement =
oracleConnection.prepareStatement(sql.toString());
try {
sql = new StringBuffer("INSERT INTO ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(".TMPL_MACRO (TMPL_ID, MACRO_ID) VALUES (?, ?)");
PreparedStatement macroInsertStatement =
oracleConnection.prepareStatement(sql.toString());
try {
sql = new StringBuffer("INSERT INTO ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(
".TMPL_SGNL_REC (TMPL_ID, TMPL_SGNL_ID, REC_TYPE_ID, ARCH_IND, ARCH_FREQ, ARCH_TYPE) VALUES (?, ?, ?, ?, ?, ?)");
PreparedStatement signalInsertStatement =
oracleConnection.prepareStatement(sql.toString());
try {
sql = new StringBuffer("INSERT INTO ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(
".TMPL_SGNL_FLD (TMPL_ID, TMPL_SGNL_ID, FLD_ID, REC_TYPE_ID, VAL) VALUES (?, ?, ?, ?, ?)");
PreparedStatement fieldInsertStatement =
oracleConnection.prepareStatement(sql.toString());
try {
sql = new StringBuffer("INSERT INTO ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(".TMPL_ARCH_REQ (TMPL_ID, ARCH_REQ_FILE_NM) VALUES (?, ?)");
PreparedStatement requestInsertStatement =
oracleConnection.prepareStatement(sql.toString());
try {
sql = new StringBuffer("INSERT INTO ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(".TMPL_ARCH_REQ_GRP (TMPL_ID, ARCH_REQ_GRP_FILE_NM) VALUES (?, ?)");
PreparedStatement groupInsertStatement =
oracleConnection.prepareStatement(sql.toString());
try {
sql = new StringBuffer("INSERT INTO ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(
".TMPL_ARCH_REQ_GRP_ARCH_REQ (TMPL_ID, ARCH_REQ_GRP_FILE_NM, ARCH_REQ_FILE_NM) VALUES (?, ?, ?)");
PreparedStatement requestGroupInsertStatement =
oracleConnection.prepareStatement(sql.toString());
try {
sql = new StringBuffer("UPDATE ");
sql.append(MPSBrowserView.SCHEMA);
sql.append(
".TMPL_SGNL_REC SET ARCH_IND = ?, ARCH_FREQ = ?, ARCH_TYPE = ?, ARCH_REQ_FILE = ? WHERE TMPL_ID = ? AND TMPL_SGNL_ID = ? AND REC_TYPE_ID = ?");
PreparedStatement signalUpdateStatement =
oracleConnection.prepareStatement(sql.toString());
try {
int progress = 0;
setProgressMaximum(importedFieldCount + importedMacroCount);
setProgressValue(0);
setProgressIndeterminate(false);
for (int templateIndex = 0;
templateIndex < templateCount;
templateIndex++) {
Template currentTemplate = (Template) templates.get(templateIndex);
String currentTemplateID = currentTemplate.getID();
templateInsertStatement.setString(1, currentTemplateID);
String currentDescription = currentTemplate.getDescription();
if (currentDescription == null)
templateInsertStatement.setNull(2, Types.VARCHAR);
else templateInsertStatement.setString(2, currentDescription);
templateInsertStatement.setString(3, currentTemplate.getFileName());
templateInsertStatement.setTimestamp(
4, currentTemplate.getFileModifiedDate());
templateInsertStatement.execute();
// Need to insert macros.
int macroCount = currentTemplate.getMacroCount();
for (int macroIndex = 0; macroIndex < macroCount; macroIndex++) {
macroInsertStatement.setString(1, currentTemplateID);
String currentMacro = currentTemplate.getMacroAt(macroIndex);
macroInsertStatement.setString(2, currentMacro);
macroInsertStatement.execute();
setProgressValue(++progress);
}
int signalCount = currentTemplate.getSignalCount();
for (int signalIndex = 0; signalIndex < signalCount; signalIndex++) {
Signal currentSignal = currentTemplate.getSignalAt(signalIndex);
String currentSignalID = currentSignal.getID();
String currentRecordTypeID =
currentSignal.getType().getRecordType().getID();
signalInsertStatement.setString(1, currentTemplateID);
signalInsertStatement.setString(2, currentSignalID);
signalInsertStatement.setString(3, currentRecordTypeID);
signalInsertStatement.setString(4, currentSignal.getArchiveIndicator());
BigDecimal currentFrequency = currentSignal.getArchiveFrequency();
if (currentFrequency == null)
currentFrequency = new BigDecimal("60"); // 60 default in RDB
signalInsertStatement.setBigDecimal(5, currentFrequency);
String currentType = currentSignal.getArchiveType();
if (currentType == null)
currentType = "Monitor"; // 'Monitor' default in RDB
signalInsertStatement.setString(6, currentType);
signalInsertStatement.execute();
int fieldCount = currentSignal.getFieldCount();
for (int fieldIndex = 0; fieldIndex < fieldCount; fieldIndex++) {
SignalField currentField = currentSignal.getFieldAt(fieldIndex);
fieldInsertStatement.setString(1, currentTemplateID);
fieldInsertStatement.setString(2, currentSignalID);
fieldInsertStatement.setString(3, currentField.getType().getID());
fieldInsertStatement.setString(4, currentRecordTypeID);
fieldInsertStatement.setString(5, currentField.getValue());
fieldInsertStatement.execute();
if (isParseCanceled()) {
oracleConnection.rollback();
return;
}
setProgressValue(++progress);
}
}
// Insert archive requests.
int requestCount = currentTemplate.getArchiveRequestCount();
for (int requestIndex = 0; requestIndex < requestCount; requestIndex++) {
ArchiveRequest currentRequest =
currentTemplate.getArchiveRequestAt(requestIndex);
String currentRequestFileName = currentRequest.getFileName();
requestInsertStatement.setString(1, currentTemplateID);
requestInsertStatement.setString(2, currentRequestFileName);
requestInsertStatement.execute();
signalCount = currentRequest.getSignalCount();
for (int signalIndex = 0; signalIndex < signalCount; signalIndex++) {
Signal currentSignal = currentRequest.getSignalAt(signalIndex);
String currentSignalID = currentSignal.getID();
signalUpdateStatement.setString(
1, currentSignal.getArchiveIndicator());
signalUpdateStatement.setBigDecimal(
2, currentSignal.getArchiveFrequency());
signalUpdateStatement.setString(3, currentSignal.getArchiveType());
signalUpdateStatement.setString(4, currentRequestFileName);
signalUpdateStatement.setString(5, currentTemplateID);
signalUpdateStatement.setString(6, currentSignalID);
signalUpdateStatement.setString(
7, currentSignal.getType().getRecordType().getID());
signalUpdateStatement.execute();
int fieldCount = currentSignal.getFieldCount();
}
}
// Insert archive groups.
int groupCount = currentTemplate.getArchiveGroupCount();
for (int groupIndex = 0; groupIndex < groupCount; groupIndex++) {
ArchiveGroup currentGroup =
currentTemplate.getArchiveGroupAt(groupIndex);
groupInsertStatement.setString(1, currentTemplateID);
String currentGroupFileName = currentGroup.getFileName();
groupInsertStatement.setString(2, currentGroupFileName);
groupInsertStatement.execute();
requestCount = currentGroup.getArchiveRequestCount();
for (int requestIndex = 0;
requestIndex < requestCount;
requestIndex++) {
ArchiveRequest currentRequest =
currentGroup.getArchiveRequestAt(requestIndex);
String currentRequestFileName = currentRequest.getFileName();
requestGroupInsertStatement.setString(1, currentTemplateID);
requestGroupInsertStatement.setString(2, currentGroupFileName);
requestGroupInsertStatement.setString(
3, currentRequest.getFileName());
}
}
}
} finally {
signalUpdateStatement.close();
}
} finally {
requestGroupInsertStatement.close();
}
} finally {
groupInsertStatement.close();
}
} finally {
requestInsertStatement.close();
}
} finally {
fieldInsertStatement.close();
}
} finally {
signalInsertStatement.close();
}
} finally {
macroInsertStatement.close();
}
} finally {
templateInsertStatement.close();
}
} catch (java.sql.SQLException ex) {
oracleConnection.rollback();
throw ex;
} finally {
query.close();
}
if (isParseCanceled()) oracleConnection.rollback();
else oracleConnection.commit();
} finally {
oracleConnection.close();
}
}