liquibase.parser.AbstractFormattedChangeLogParser Maven / Gradle / Ivy
package liquibase.parser;
import liquibase.Labels;
import liquibase.Scope;
import liquibase.change.AbstractSQLChange;
import liquibase.change.Change;
import liquibase.change.core.EmptyChange;
import liquibase.changelog.ChangeLogParameters;
import liquibase.changelog.ChangeSet;
import liquibase.changelog.DatabaseChangeLog;
import liquibase.changeset.ChangeSetService;
import liquibase.changeset.ChangeSetServiceFactory;
import liquibase.exception.ChangeLogParseException;
import liquibase.resource.ResourceAccessor;
import liquibase.util.StreamUtil;
import liquibase.util.StringUtil;
import org.apache.commons.lang3.NotImplementedException;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.util.ResourceBundle;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static java.util.ResourceBundle.getBundle;
@SuppressWarnings("java:S2583")
public abstract class AbstractFormattedChangeLogParser implements ChangeLogParser {
private static final ResourceBundle coreBundle = getBundle("liquibase/i18n/liquibase-core");
protected static final String EXCEPTION_MESSAGE = coreBundle.getString("formatted.changelog.exception.message");
protected final String FIRST_LINE_REGEX = String.format("^\\s*%s\\s*liquibase\\s*formatted.*", getSingleLineCommentSequence());
protected final Pattern FIRST_LINE_PATTERN = Pattern.compile(FIRST_LINE_REGEX, Pattern.CASE_INSENSITIVE);
protected final String PROPERTY_REGEX = String.format("\\s*%s[\\s]*property\\s+(.*:.*)\\s+(.*:.*).*", getSingleLineCommentSequence());
protected final Pattern PROPERTY_PATTERN = Pattern.compile(PROPERTY_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ALT_PROPERTY_ONE_CHARACTER_REGEX = String.format("\\s*?[%s]+\\s*property\\s.*", getSingleLineCommentOneCharacter());
protected final Pattern ALT_PROPERTY_ONE_CHARACTER_PATTERN = Pattern.compile(ALT_PROPERTY_ONE_CHARACTER_REGEX, Pattern.CASE_INSENSITIVE);
protected final String CHANGE_SET_REGEX = String.format("\\s*%s[\\s]*changeset\\s+(\"[^\"]+\"|[^:]+):\\s*(\"[^\"]+\"|\\S+).*", getSingleLineCommentSequence());
protected final Pattern CHANGE_SET_PATTERN = Pattern.compile(CHANGE_SET_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ALT_CHANGE_SET_ONE_CHARACTER_REGEX = String.format("%s[\\s]*changeset\\s.*", getSingleLineCommentOneCharacter());
protected final Pattern ALT_CHANGE_SET_ONE_CHARACTER_PATTERN = Pattern.compile(ALT_CHANGE_SET_ONE_CHARACTER_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ALT_CHANGE_SET_NO_OTHER_INFO_REGEX = String.format("\\s*%s[\\s]*changeset[\\s]*.*$", getSingleLineCommentSequence());
protected final Pattern ALT_CHANGE_SET_NO_OTHER_INFO_PATTERN = Pattern.compile(ALT_CHANGE_SET_NO_OTHER_INFO_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ROLLBACK_REGEX = String.format("\\s*%s[\\s]*rollback (.*)", getSingleLineCommentSequence());
protected final Pattern ROLLBACK_PATTERN = Pattern.compile(ROLLBACK_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ALT_ROLLBACK_ONE_CHARACTER_REGEX = String.format("\\s*%s[\\s]*rollback\\s.*", getSingleLineCommentOneCharacter());
protected final Pattern ALT_ROLLBACK_ONE_CHARACTER_PATTERN = Pattern.compile(ALT_ROLLBACK_ONE_CHARACTER_REGEX, Pattern.CASE_INSENSITIVE);
protected final String PRECONDITIONS_REGEX = String.format("\\s*%s[\\s]*preconditions(.*)", getSingleLineCommentSequence());
protected final Pattern PRECONDITIONS_PATTERN = Pattern.compile(PRECONDITIONS_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ALT_PRECONDITIONS_ONE_CHARACTER_REGEX = String.format("\\s*%s[\\s]*preconditions\\s.*", getSingleLineCommentOneCharacter());
protected final Pattern ALT_PRECONDITIONS_ONE_CHARACTER_PATTERN = Pattern.compile(ALT_PRECONDITIONS_ONE_CHARACTER_REGEX, Pattern.CASE_INSENSITIVE);
protected final String PRECONDITION_REGEX = String.format("\\s*%s[\\s]*precondition\\-([a-zA-Z0-9-]+) (.*)", getSingleLineCommentSequence());
protected final Pattern PRECONDITION_PATTERN = Pattern.compile(PRECONDITION_REGEX, Pattern.CASE_INSENSITIVE);
protected final String
INVALID_EMPTY_PRECONDITION_REGEX = String.format("\\s*%s[\\s]*precondition\\-([a-zA-Z0-9-]+)", getSingleLineCommentSequence());
protected final Pattern INVALID_EMPTY_PRECONDITION_PATTERN = Pattern.compile(INVALID_EMPTY_PRECONDITION_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ALT_PRECONDITION_ONE_CHARACTER_REGEX = String.format("\\s*%s[\\s]*precondition(.*)", getSingleLineCommentOneCharacter());
protected final Pattern ALT_PRECONDITION_ONE_CHARACTER_PATTERN = Pattern.compile(ALT_PRECONDITION_ONE_CHARACTER_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String STRIP_COMMENTS_REGEX = ".*stripComments:(\\w+).*";
protected final Pattern STRIP_COMMENTS_PATTERN = Pattern.compile(STRIP_COMMENTS_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String SPLIT_STATEMENTS_REGEX = ".*splitStatements:(\\w+).*";
protected final Pattern SPLIT_STATEMENTS_PATTERN = Pattern.compile(SPLIT_STATEMENTS_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String ROLLBACK_SPLIT_STATEMENTS_REGEX = ".*rollbackSplitStatements:(\\w+).*";
protected final Pattern ROLLBACK_SPLIT_STATEMENTS_PATTERN = Pattern.compile(ROLLBACK_SPLIT_STATEMENTS_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String END_DELIMITER_REGEX = ".*endDelimiter:(\\S*).*";
protected final Pattern END_DELIMITER_PATTERN = Pattern.compile(END_DELIMITER_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String ROLLBACK_END_DELIMITER_REGEX = ".*rollbackEndDelimiter:(\\S*).*";
protected final Pattern ROLLBACK_END_DELIMITER_PATTERN = Pattern.compile(ROLLBACK_END_DELIMITER_REGEX, Pattern.CASE_INSENSITIVE);
protected final String COMMENT_REGEX = String.format("%s[\\s]*comment:? (.*)", getSingleLineCommentSequence());
protected final Pattern COMMENT_PATTERN = Pattern.compile(COMMENT_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ALT_COMMENT_PLURAL_REGEX = String.format("%s[\\s]*comments:? (.*)", getSingleLineCommentSequence());
protected final Pattern ALT_COMMENT_PLURAL_PATTERN = Pattern.compile(ALT_COMMENT_PLURAL_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ALT_COMMENT_ONE_CHARACTER_REGEX = String.format("%s[\\s]*comment:? (.*)", getSingleLineCommentOneCharacter());
protected final Pattern ALT_COMMENT_ONE_CHARACTER_PATTERN = Pattern.compile(ALT_COMMENT_ONE_CHARACTER_REGEX, Pattern.CASE_INSENSITIVE);
protected final String VALID_CHECK_SUM_REGEX = String.format("%s[\\s]*validCheckSum:? (.*)", getSingleLineCommentSequence());
protected final Pattern VALID_CHECK_SUM_PATTERN = Pattern.compile(VALID_CHECK_SUM_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ALT_VALID_CHECK_SUM_ONE_CHARACTER_REGEX = String.format("^%s[\\s]*validCheckSum(.*)$", getSingleLineCommentOneCharacter());
protected final Pattern ALT_VALID_CHECK_SUM_ONE_CHARACTER_PATTERN = Pattern.compile(ALT_VALID_CHECK_SUM_ONE_CHARACTER_REGEX, Pattern.CASE_INSENSITIVE);
protected final String IGNORE_LINES_REGEX = String.format("%s[\\s]*ignoreLines:(\\w+)", getSingleLineCommentSequence());
protected final Pattern IGNORE_LINES_PATTERN = Pattern.compile(IGNORE_LINES_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ALT_IGNORE_LINES_ONE_CHARACTER_REGEX = String.format("%s[\\s]*?ignoreLines:(\\w+).*$", getSingleLineCommentOneCharacter());
protected final Pattern ALT_IGNORE_LINES_ONE_CHARACTER_PATTERN = Pattern.compile(ALT_IGNORE_LINES_ONE_CHARACTER_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ALT_IGNORE_REGEX = String.format("%s[\\s]*ignore:(\\w+)", getSingleLineCommentSequence());
protected final Pattern ALT_IGNORE_PATTERN = Pattern.compile(ALT_IGNORE_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String RUN_WITH_REGEX = ".*runWith:([\\w\\$\\{\\}]+).*";
protected final Pattern RUN_WITH_PATTERN = Pattern.compile(RUN_WITH_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String RUN_WITH_SPOOL_FILE_REGEX = ".*runWithSpoolFile:(.*).*";
protected final Pattern RUN_WITH_SPOOL_FILE_PATTERN = Pattern.compile(RUN_WITH_SPOOL_FILE_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String RUN_ON_CHANGE_REGEX = ".*runOnChange:(\\w+).*";
protected final Pattern RUN_ON_CHANGE_PATTERN = Pattern.compile(RUN_ON_CHANGE_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String RUN_ALWAYS_REGEX = ".*runAlways:(\\w+).*";
protected final Pattern RUN_ALWAYS_PATTERN = Pattern.compile(RUN_ALWAYS_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String CONTEXT_REGEX = ".*context:(\".*?\"|\\S*).*";
protected final Pattern CONTEXT_PATTERN = Pattern.compile(CONTEXT_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String CONTEXT_FILTER_REGEX = ".*contextFilter:(\".*?\"|\\S*).*";
protected final Pattern CONTEXT_FILTER_PATTERN = Pattern.compile(CONTEXT_FILTER_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String LOGICAL_FILE_PATH_REGEX = ".*logicalFilePath:(\\S*).*";
protected final Pattern LOGICAL_FILE_PATH_PATTERN = Pattern.compile(LOGICAL_FILE_PATH_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String LABELS_REGEX = ".*labels:(\".*?\"|\\S*).*";
protected final Pattern LABELS_PATTERN = Pattern.compile(LABELS_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String RUN_IN_TRANSACTION_REGEX = ".*runInTransaction:(\\w+).*";
protected final Pattern RUN_IN_TRANSACTION_PATTERN = Pattern.compile(RUN_IN_TRANSACTION_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String DBMS_REGEX = ".*dbms:([^,][\\w!,]+).*";
protected final Pattern DBMS_PATTERN = Pattern.compile(DBMS_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String IGNORE_REGEX = ".*ignore:(\\w*).*";
protected final Pattern IGNORE_PATTERN = Pattern.compile(IGNORE_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String FAIL_ON_ERROR_REGEX = ".*failOnError:(\\w+).*";
protected final Pattern FAIL_ON_ERROR_PATTERN = Pattern.compile(FAIL_ON_ERROR_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String ON_FAIL_REGEX = ".*onFail:(\\w+).*";
protected final Pattern ON_FAIL_PATTERN = Pattern.compile(ON_FAIL_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String ON_ERROR_REGEX = ".*onError:(\\w+).*";
protected final Pattern ON_ERROR_PATTERN = Pattern.compile(ON_ERROR_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String ROLLBACK_CHANGE_SET_ID_REGEX = ".*changeSetId:(\\S+).*";
protected final Pattern ROLLBACK_CHANGE_SET_ID_PATTERN = Pattern.compile(ROLLBACK_CHANGE_SET_ID_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String ROLLBACK_CHANGE_SET_AUTHOR_REGEX = ".*changesetAuthor:(\\S+).*";
protected final Pattern ROLLBACK_CHANGE_SET_AUTHOR_PATTERN = Pattern.compile(ROLLBACK_CHANGE_SET_AUTHOR_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String ROLLBACK_CHANGE_SET_PATH_REGEX = ".*changesetPath:(\\S+).*";
protected final Pattern ROLLBACK_CHANGE_SET_PATH_PATTERN = Pattern.compile(ROLLBACK_CHANGE_SET_PATH_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ROLLBACK_MULTI_LINE_START_REGEX = String.format("\\s*%s\\s*liquibase\\s*rollback\\s*$", getStartMultiLineCommentSequence());
protected final Pattern ROLLBACK_MULTI_LINE_START_PATTERN = Pattern.compile(ROLLBACK_MULTI_LINE_START_REGEX, Pattern.CASE_INSENSITIVE);
protected final String ROLLBACK_MULTI_LINE_END_REGEX = String.format(".*\\s*%s\\s*$", getEndMultiLineCommentSequence());
protected final Pattern ROLLBACK_MULTI_LINE_END_PATTERN = Pattern.compile(ROLLBACK_MULTI_LINE_END_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String WORD_RESULT_REGEX = "^(?:expectedResult:)?(\\w+) (.*)";
protected static final String SINGLE_QUOTE_RESULT_REGEX = "^(?:expectedResult:)?'([^']+)' (.*)";
protected static final String DOUBLE_QUOTE_RESULT_REGEX = "^(?:expectedResult:)?\"([^\"]+)\" (.*)";
protected final Pattern[] WORD_AND_QUOTING_PATTERNS = new Pattern[]{
Pattern.compile(WORD_RESULT_REGEX, Pattern.CASE_INSENSITIVE),
Pattern.compile(SINGLE_QUOTE_RESULT_REGEX, Pattern.CASE_INSENSITIVE),
Pattern.compile(DOUBLE_QUOTE_RESULT_REGEX, Pattern.CASE_INSENSITIVE)
};
protected static final String NAME_REGEX = ".*name:\\s*(\\S++).*";
protected final Pattern NAME_PATTERN = Pattern.compile(NAME_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String VALUE_REGEX = ".*value:\\s*(\\S+).*";
protected final Pattern VALUE_PATTERN = Pattern.compile(VALUE_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String GLOBAL_REGEX = ".*global:(\\S+).*";
protected final Pattern GLOBAL_PATTERN = Pattern.compile(GLOBAL_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String VIEW_NAME_STATEMENT_REGEX = ".*view:(\\w+).*";
protected final Pattern VIEW_NAME_STATEMENT_PATTERN = Pattern.compile(VIEW_NAME_STATEMENT_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String TABLE_NAME_STATEMENT_REGEX = ".*table:(\\w+).*";
protected final Pattern TABLE_NAME_STATEMENT_PATTERN = Pattern.compile(TABLE_NAME_STATEMENT_REGEX, Pattern.CASE_INSENSITIVE);
protected static final String SCHEMA_NAME_STATEMENT_REGEX = ".*schema:(\\w+).*";
protected final Pattern SCHEMA_NAME_STATEMENT_PATTERN = Pattern.compile(SCHEMA_NAME_STATEMENT_REGEX, Pattern.CASE_INSENSITIVE);
protected abstract String getSingleLineCommentOneCharacter();
protected abstract String getSingleLineCommentSequence();
protected abstract String getStartMultiLineCommentSequence();
protected abstract String getEndMultiLineCommentSequence();
protected abstract boolean supportsExtension(String changelogFile);
protected abstract void handlePreconditionCase(ChangeLogParameters changeLogParameters, ChangeSet changeSet, Matcher preconditionMatcher) throws ChangeLogParseException;
protected abstract void handlePreconditionsCase(ChangeSet changeSet, int count, Matcher preconditionsMatcher) throws ChangeLogParseException;
protected abstract AbstractSQLChange getChange();
protected abstract String getDocumentationLink();
protected abstract String getSequenceName();
protected abstract void setChangeSequence(AbstractSQLChange change, String finalCurrentSequence);
protected abstract boolean isNotEndDelimiter(AbstractSQLChange change);
protected abstract void setChangeSequence(ChangeLogParameters changeLogParameters, StringBuilder currentSequence, ChangeSet changeSet, AbstractSQLChange change);
@Override
public boolean supports(String changeLogFile, ResourceAccessor resourceAccessor) {
BufferedReader reader = null;
try {
if (supportsExtension(changeLogFile)) {
InputStream fileStream = openChangeLogFile(changeLogFile, resourceAccessor);
if (fileStream == null) {
return false;
}
reader = new BufferedReader(StreamUtil.readStreamWithReader(fileStream, null));
String firstLine = reader.readLine();
while (firstLine != null && firstLine.trim().isEmpty() && reader.ready()) {
firstLine = reader.readLine();
}
//
// Handle empty files with a WARNING message
//
if (StringUtil.isEmpty(firstLine)) {
Scope.getCurrentScope().getLog(getClass()).warning(String.format("Skipping empty file '%s'", changeLogFile));
return false;
}
return FIRST_LINE_PATTERN.matcher(firstLine).matches();
} else {
return false;
}
} catch (IOException e) {
Scope.getCurrentScope().getLog(getClass()).fine("Exception reading " + changeLogFile, e);
return false;
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
Scope.getCurrentScope().getLog(getClass()).fine("Exception closing " + changeLogFile, e);
}
}
}
}
@Override
public int getPriority() {
return PRIORITY_DEFAULT + 5;
}
@Override
public DatabaseChangeLog parse(String physicalChangeLogLocation, ChangeLogParameters changeLogParameters, ResourceAccessor resourceAccessor) throws ChangeLogParseException {
DatabaseChangeLog changeLog = new DatabaseChangeLog();
changeLog.setChangeLogParameters(changeLogParameters);
changeLog.setPhysicalFilePath(physicalChangeLogLocation);
try (BufferedReader reader = new BufferedReader(StreamUtil.readStreamWithReader(openChangeLogFile(physicalChangeLogLocation, resourceAccessor), null))) {
StringBuilder currentSequence = new StringBuilder();
StringBuilder currentRollbackSequence = new StringBuilder();
ChangeSet changeSet = null;
AbstractSQLChange change = null;
Matcher rollbackSplitStatementsPatternMatcher = null;
boolean rollbackSplitStatements = true;
String rollbackEndDelimiter = null;
int count = 0;
String line;
while ((line = reader.readLine()) != null) {
count++;
Matcher commentMatcher = COMMENT_PATTERN.matcher(line);
Matcher propertyPatternMatcher = PROPERTY_PATTERN.matcher(line);
Matcher altPropertyPatternMatcher = ALT_PROPERTY_ONE_CHARACTER_PATTERN.matcher(line);
if (propertyPatternMatcher.matches()) {
handleProperty(changeLogParameters, changeLog, line);
continue;
} else if (altPropertyPatternMatcher.matches()) {
String message = String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), "--property name= value=", getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
}
Matcher changeLogPatterMatcher = FIRST_LINE_PATTERN.matcher(line);
setLogicalFilePath(changeLog, line, changeLogPatterMatcher);
Matcher ignoreLinesMatcher = IGNORE_LINES_PATTERN.matcher(line);
Matcher altIgnoreMatcher = ALT_IGNORE_PATTERN.matcher(line);
Matcher altIgnoreLinesOneDashMatcher = ALT_IGNORE_LINES_ONE_CHARACTER_PATTERN.matcher(line);
if (ignoreLinesMatcher.matches()) {
if ("start".equals(ignoreLinesMatcher.group(1))) {
while ((line = reader.readLine()) != null) {
altIgnoreLinesOneDashMatcher = ALT_IGNORE_LINES_ONE_CHARACTER_PATTERN.matcher(line);
count++;
ignoreLinesMatcher = IGNORE_LINES_PATTERN.matcher(line);
if (ignoreLinesMatcher.matches()) {
if ("end".equals(ignoreLinesMatcher.group(1))) {
break;
}
} else if (altIgnoreLinesOneDashMatcher.matches()) {
String message =
String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), "--ignoreLines:end", getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
}
}
continue;
} else {
try {
long ignoreCount = Long.parseLong(ignoreLinesMatcher.group(1));
while (ignoreCount > 0 && reader.readLine() != null) {
ignoreCount--;
count++;
}
continue;
} catch (NumberFormatException | NullPointerException nfe) {
throw new ChangeLogParseException("Unknown ignoreLines syntax");
}
}
} else if (altIgnoreLinesOneDashMatcher.matches() || altIgnoreMatcher.matches()) {
String message =
String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), "--ignoreLines:", getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
}
Matcher changeSetPatternMatcher = CHANGE_SET_PATTERN.matcher(line);
if (changeSetPatternMatcher.matches()) {
String finalCurrentSequence = changeLogParameters.expandExpressions(StringUtil.trimToNull(currentSequence.toString()), changeLog);
if (changeSet != null) {
if (finalCurrentSequence == null) {
throw new ChangeLogParseException(String.format("No %s for changeset %s", getSequenceName(), changeSet.toString(false)));
}
setChangeSequence(change, finalCurrentSequence);
handleRollbackSequence(physicalChangeLogLocation, changeLogParameters, changeLog, currentRollbackSequence, changeSet, rollbackSplitStatementsPatternMatcher, rollbackSplitStatements, rollbackEndDelimiter);
}
Matcher runWithMatcher = RUN_WITH_PATTERN.matcher(line);
Matcher runWithSpoolFileMatcher = RUN_WITH_SPOOL_FILE_PATTERN.matcher(line);
rollbackSplitStatementsPatternMatcher = ROLLBACK_SPLIT_STATEMENTS_PATTERN.matcher(line);
Matcher rollbackEndDelimiterPatternMatcher = ROLLBACK_END_DELIMITER_PATTERN.matcher(line);
Matcher logicalFilePathMatcher = LOGICAL_FILE_PATH_PATTERN.matcher(line);
Matcher runOnChangePatternMatcher = RUN_ON_CHANGE_PATTERN.matcher(line);
Matcher runAlwaysPatternMatcher = RUN_ALWAYS_PATTERN.matcher(line);
Matcher contextPatternMatcher = CONTEXT_PATTERN.matcher(line);
Matcher contextFilterPatternMatcher = CONTEXT_FILTER_PATTERN.matcher(line);
Matcher labelsPatternMatcher = LABELS_PATTERN.matcher(line);
Matcher runInTransactionPatternMatcher = RUN_IN_TRANSACTION_PATTERN.matcher(line);
Matcher ignorePatternMatcher = IGNORE_PATTERN.matcher(line);
Matcher failOnErrorPatternMatcher = FAIL_ON_ERROR_PATTERN.matcher(line);
rollbackSplitStatements = parseBoolean(rollbackSplitStatementsPatternMatcher, changeSet, true);
boolean runOnChange = parseBoolean(runOnChangePatternMatcher, changeSet, false);
boolean runAlways = parseBoolean(runAlwaysPatternMatcher, changeSet, false);
boolean runInTransaction = parseBoolean(runInTransactionPatternMatcher, changeSet, true);
boolean failOnError = parseBoolean(failOnErrorPatternMatcher, changeSet, true);
String runWith = parseString(runWithMatcher);
if (runWith != null) {
runWith = changeLogParameters.expandExpressions(runWith, changeLog);
}
String runWithSpoolFile = parseString(runWithSpoolFileMatcher);
if (runWithSpoolFile != null) {
runWithSpoolFile = changeLogParameters.expandExpressions(runWithSpoolFile, changeLog);
}
rollbackEndDelimiter = parseString(rollbackEndDelimiterPatternMatcher);
String context = parseString(contextFilterPatternMatcher);
if (context == null || context.isEmpty()) {
context = parseString(contextPatternMatcher);
}
if (context != null) {
context = changeLogParameters.expandExpressions(StringUtil.stripEnclosingQuotes(context), changeLog);
}
String labels = parseString(labelsPatternMatcher);
if (labels != null) {
labels = changeLogParameters.expandExpressions(StringUtil.stripEnclosingQuotes(labels), changeLog);
}
String logicalFilePath = parseString(logicalFilePathMatcher);
if ((logicalFilePath == null) || logicalFilePath.isEmpty()) {
logicalFilePath = changeLog.getLogicalFilePath();
}
if (logicalFilePath != null) {
logicalFilePath = changeLogParameters.expandExpressions(logicalFilePath, changeLog);
}
String dbms = handleDbms(changeLogParameters, line, changeLog);
String ignore = parseString(ignorePatternMatcher);
if (ignore != null) {
ignore = changeLogParameters.expandExpressions(ignore, changeLog);
}
//
// Make sure that this line matches the --changeset : with no spaces before ID
//
String idGroup = changeSetPatternMatcher.group(2);
String authorGroup = changeSetPatternMatcher.group(1);
//
// Use Pattern.Quote to escape the meta-characters
// <([{\^-=$!|]})?*+.>
//
Pattern changeSetAuthorIdPattern =
Pattern.compile(String.format("\\s*%s[\\s]*changeset\\s+", getSingleLineCommentSequence()) + Pattern.quote(authorGroup + ":" + idGroup) + ".*$", Pattern.CASE_INSENSITIVE);
Matcher changeSetAuthorIdPatternMatcher = changeSetAuthorIdPattern.matcher(line);
if (!changeSetAuthorIdPatternMatcher.matches()) {
String message =
String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), "--changeset :", getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
}
String changeSetId = changeLogParameters.expandExpressions(StringUtil.stripEnclosingQuotes(idGroup), changeLog);
String changeSetAuthor = changeLogParameters.expandExpressions(StringUtil.stripEnclosingQuotes(authorGroup), changeLog);
changeSet = configureChangeSet(changeLog, runOnChange, runAlways, runInTransaction, failOnError, runWith, runWithSpoolFile, context, labels, logicalFilePath, dbms, ignore, changeSetId, changeSetAuthor);
changeLog.addChangeSet(changeSet);
change = getChange();
setChangeSequence(change, finalCurrentSequence);
handleSplitStatements(line, changeSet, change);
handleStripComments(line, changeSet, change);
handleEndDelimiter(line, change);
changeSet.addChange(change);
resetSequences(currentSequence, currentRollbackSequence);
} else {
Matcher altChangeSetOneDashPatternMatcher = ALT_CHANGE_SET_ONE_CHARACTER_PATTERN.matcher(line);
Matcher altChangeSetNoOtherInfoPatternMatcher = ALT_CHANGE_SET_NO_OTHER_INFO_PATTERN.matcher(line);
if (altChangeSetOneDashPatternMatcher.matches() || altChangeSetNoOtherInfoPatternMatcher.matches()) {
String message = String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), "--changeset :", getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
}
if (changeSet != null) {
AtomicBoolean changeSetFinished = new AtomicBoolean(false);
configureChangeSet(physicalChangeLogLocation, changeLogParameters, reader, currentSequence, currentRollbackSequence, changeSet, count, line, commentMatcher, resourceAccessor, changeLog, change, rollbackSplitStatementsPatternMatcher, rollbackSplitStatements, rollbackEndDelimiter, changeSetFinished);
if (changeSetFinished.get()) {
changeSet = null;
}
} else {
if (commentMatcher.matches()) {
String message =
String.format("Unexpected formatting at line %d. Formatted %s changelogs do not allow comment lines outside of changesets. Learn all the options at %s", count, getSequenceName(), getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
} else {
handleAdditionalLines(changeLog, resourceAccessor, line);
}
}
}
}
if (currentSequence.length() > 0) {
handleChangeSet(physicalChangeLogLocation, changeLogParameters, changeSet, currentSequence, change, changeLog, currentRollbackSequence, rollbackSplitStatementsPatternMatcher, rollbackSplitStatements, rollbackEndDelimiter);
}
} catch (IOException e) {
throw new ChangeLogParseException(e);
}
return changeLog;
}
protected void handleChangeSet(String physicalChangeLogLocation,
ChangeLogParameters changeLogParameters,
ChangeSet changeSet,
StringBuilder currentSequence,
AbstractSQLChange change,
DatabaseChangeLog changeLog,
StringBuilder currentRollbackSequence,
Matcher rollbackSplitStatementsPatternMatcher,
boolean rollbackSplitStatements,
String rollbackEndDelimiter)
throws ChangeLogParseException {
if (changeSet != null) {
setChangeSequence(changeLogParameters, currentSequence, changeSet, change);
if (isNotEndDelimiter(change)) {
change.setEndDelimiter("\n/$");
}
handleRollbackSequence(physicalChangeLogLocation, changeLogParameters, changeLog, currentRollbackSequence, changeSet, rollbackSplitStatementsPatternMatcher, rollbackSplitStatements, rollbackEndDelimiter);
}
}
protected void handleStripComments(String line, ChangeSet changeSet, AbstractSQLChange change) throws ChangeLogParseException {
Matcher stripCommentsPatternMatcher = STRIP_COMMENTS_PATTERN.matcher(line);
boolean stripComments = parseBoolean(stripCommentsPatternMatcher, changeSet, true);
change.setStripComments(stripComments);
}
protected void handleEndDelimiter(String line, AbstractSQLChange change) {
Matcher endDelimiterPatternMatcher = END_DELIMITER_PATTERN.matcher(line);
String endDelimiter = parseString(endDelimiterPatternMatcher);
change.setEndDelimiter(endDelimiter);
}
protected String handleDbms(ChangeLogParameters changeLogParameters, String line, DatabaseChangeLog changeLog) {
Matcher dbmsPatternMatcher = DBMS_PATTERN.matcher(line);
String dbms = parseString(dbmsPatternMatcher);
if (dbms != null) {
dbms = changeLogParameters.expandExpressions(dbms, changeLog);
}
return dbms;
}
protected void handleSplitStatements(String line, ChangeSet changeSet, AbstractSQLChange change) throws ChangeLogParseException {
Matcher splitStatementsPatternMatcher = SPLIT_STATEMENTS_PATTERN.matcher(line);
boolean splitStatements = parseBoolean(splitStatementsPatternMatcher, changeSet, true);
if (splitStatementsPatternMatcher.matches()) {
change.setSplitStatements(splitStatements);
}
}
/**
* @deprecated use {@link AbstractFormattedChangeLogParser#configureChangeSet(String, ChangeLogParameters, BufferedReader, StringBuilder, StringBuilder, ChangeSet, int, String, Matcher, ResourceAccessor)} instead
*/
@Deprecated
protected void configureChangeSet(String physicalChangeLogLocation, ChangeLogParameters changeLogParameters, BufferedReader reader, StringBuilder currentSequence, StringBuilder currentRollbackSequence, ChangeSet changeSet, int count, String line, Matcher commentMatcher) throws ChangeLogParseException, IOException {
configureChangeSet(physicalChangeLogLocation, changeLogParameters, reader, currentSequence, currentRollbackSequence, changeSet, count, line, commentMatcher, null);
}
protected void configureChangeSet(String physicalChangeLogLocation,
ChangeLogParameters changeLogParameters,
BufferedReader reader,
StringBuilder currentSequence,
StringBuilder currentRollbackSequence,
ChangeSet changeSet,
int count,
String line,
Matcher commentMatcher,
ResourceAccessor resourceAccessor)
throws ChangeLogParseException, IOException {
configureChangeSet(physicalChangeLogLocation, changeLogParameters, reader, currentSequence, currentRollbackSequence, changeSet, count, line, commentMatcher, resourceAccessor, null, null, null, false, null, new AtomicBoolean(false));
}
/**
*
* Configure the change set with its attributes. An changeSetFinished flag is available for override versions
* to indicate that processing is done for the change set
*
* @param physicalChangeLogLocation
* @param changeLogParameters
* @param reader
* @param currentSequence
* @param currentRollbackSequence
* @param changeSet
* @param count
* @param line
* @param commentMatcher
* @param resourceAccessor
* @param changeLog
* @param change
* @param rollbackSplitStatementsMatcher
* @param rollbackSplitStatements
* @param rollbackEndDelimiter
* @param changeSetFinished
* @throws ChangeLogParseException
* @throws IOException
*
*/
protected void configureChangeSet(String physicalChangeLogLocation,
ChangeLogParameters changeLogParameters,
BufferedReader reader,
StringBuilder currentSequence,
StringBuilder currentRollbackSequence,
ChangeSet changeSet,
int count,
String line,
Matcher commentMatcher,
ResourceAccessor resourceAccessor,
DatabaseChangeLog changeLog,
AbstractSQLChange change,
Matcher rollbackSplitStatementsMatcher,
boolean rollbackSplitStatements,
String rollbackEndDelimiter,
AtomicBoolean changeSetFinished)
throws ChangeLogParseException, IOException {
Matcher altCommentOneDashMatcher = ALT_COMMENT_ONE_CHARACTER_PATTERN.matcher(line);
Matcher altCommentPluralMatcher = ALT_COMMENT_PLURAL_PATTERN.matcher(line);
Matcher rollbackMatcher = ROLLBACK_PATTERN.matcher(line);
Matcher altRollbackMatcher = ALT_ROLLBACK_ONE_CHARACTER_PATTERN.matcher(line);
Matcher preconditionsMatcher = PRECONDITIONS_PATTERN.matcher(line);
Matcher altPreconditionsOneDashMatcher = ALT_PRECONDITIONS_ONE_CHARACTER_PATTERN.matcher(line);
Matcher preconditionMatcher = PRECONDITION_PATTERN.matcher(line);
Matcher altPreconditionOneDashMatcher = ALT_PRECONDITION_ONE_CHARACTER_PATTERN.matcher(line);
Matcher validCheckSumMatcher = VALID_CHECK_SUM_PATTERN.matcher(line);
Matcher altValidCheckSumOneDashMatcher = ALT_VALID_CHECK_SUM_ONE_CHARACTER_PATTERN.matcher(line);
Matcher rollbackMultiLineStartMatcher = ROLLBACK_MULTI_LINE_START_PATTERN.matcher(line);
Matcher invalidEmptyPreconditionMatcher = INVALID_EMPTY_PRECONDITION_PATTERN.matcher(line);
if (commentMatcher.matches()) {
if (commentMatcher.groupCount() == 0) {
String message = String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), "--comment ", getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
}
if (commentMatcher.groupCount() == 1) {
changeSet.setComments(commentMatcher.group(1));
}
} else if (altCommentOneDashMatcher.matches() || altCommentPluralMatcher.matches()) {
String message = String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), "--comment ", getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
} else if (validCheckSumMatcher.matches()) {
if (validCheckSumMatcher.groupCount() == 0) {
String message = String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), String.format("--rollback ", getSequenceName()), getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
} else if (validCheckSumMatcher.groupCount() == 1) {
changeSet.addValidCheckSum(validCheckSumMatcher.group(1));
}
} else if (altValidCheckSumOneDashMatcher.matches()) {
String message = String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), "--validChecksum ", getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
} else if (rollbackMatcher.matches()) {
if (rollbackMatcher.groupCount() == 0) {
String message = String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), String.format("--rollback ", getSequenceName()), getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
}
currentRollbackSequence.append(rollbackMatcher.group(1)).append(System.lineSeparator());
} else if (altRollbackMatcher.matches()) {
String message = String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), String.format("--rollback ", getSequenceName()), getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
} else if (rollbackMultiLineStartMatcher.matches()) {
if (rollbackMultiLineStartMatcher.groupCount() == 0) {
currentRollbackSequence.append(extractMultiLineRollBack(reader));
}
} else if (preconditionsMatcher.matches()) {
handlePreconditionsCase(changeSet, count, preconditionsMatcher);
} else if (altPreconditionsOneDashMatcher.matches()) {
String message = String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), "--preconditions ||", getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
} else if (preconditionMatcher.matches()) {
handlePreconditionCase(changeLogParameters, changeSet, preconditionMatcher);
} else if (altPreconditionOneDashMatcher.matches()) {
String message =
String.format(EXCEPTION_MESSAGE, physicalChangeLogLocation, count, getSequenceName(), "--precondition-sql-check", getDocumentationLink());
throw new ChangeLogParseException("\n" + message);
} else if (invalidEmptyPreconditionMatcher.matches()) {
handleInvalidEmptyPreconditionCase(changeLogParameters, changeSet, invalidEmptyPreconditionMatcher);
} else {
currentSequence.append(line).append(System.lineSeparator());
}
changeSetFinished.set(false);
}
protected ChangeSet configureChangeSet(DatabaseChangeLog changeLog, boolean runOnChange, boolean runAlways,
boolean runInTransaction, boolean failOnError, String runWith,
String runWithSpoolFile, String context, String labels, String logicalFilePath,
String dbms, String ignore, String changeSetId, String changeSetAuthor) {
ChangeSetService service = ChangeSetServiceFactory.getInstance().createChangeSetService();
ChangeSet changeSet =
service.createChangeSet(changeSetId, changeSetAuthor, runAlways, runOnChange,
DatabaseChangeLog.normalizePath(logicalFilePath),
context, dbms, runWith, runWithSpoolFile,
runInTransaction,
changeLog.getObjectQuotingStrategy(), changeLog);
changeSet.setLabels(new Labels(labels));
changeSet.setIgnore(Boolean.parseBoolean(ignore));
changeSet.setFailOnError(failOnError);
return changeSet;
}
protected void setLogicalFilePath(DatabaseChangeLog changeLog, String line, Matcher changeLogPatterMatcher) {
if (changeLogPatterMatcher.matches()) {
Matcher logicalFilePathMatcher = LOGICAL_FILE_PATH_PATTERN.matcher(line);
changeLog.setLogicalFilePath(parseString(logicalFilePathMatcher));
}
}
protected String parseString(Matcher matcher) {
String endDelimiter = null;
if (matcher.matches()) {
endDelimiter = matcher.group(1);
}
return endDelimiter;
}
protected InputStream openChangeLogFile(String physicalChangeLogLocation, ResourceAccessor resourceAccessor) throws IOException {
return resourceAccessor.getExisting(physicalChangeLogLocation).openInputStream();
}
protected void handleInvalidEmptyPreconditionCase(ChangeLogParameters changeLogParameters, ChangeSet changeSet, Matcher preconditionMatcher) throws ChangeLogParseException {
throw new NotImplementedException("Invalid empty precondition found");
}
protected static void resetSequences(StringBuilder currentSequence, StringBuilder currentRollbackSequence) {
currentSequence.setLength(0);
currentRollbackSequence.setLength(0);
}
protected boolean handleAdditionalLines(DatabaseChangeLog changeLog, ResourceAccessor resourceAccessor, String line)
throws ChangeLogParseException {
return false;
}
private void handleRollbackSequence(String physicalChangeLogLocation, ChangeLogParameters changeLogParameters, DatabaseChangeLog changeLog, StringBuilder currentRollbackSequence, ChangeSet changeSet, Matcher rollbackSplitStatementsPatternMatcher, boolean rollbackSplitStatements, String rollbackEndDelimiter) throws ChangeLogParseException {
String currentRollbackSequenceAsString = currentRollbackSequence.toString();
if (StringUtil.trimToNull(currentRollbackSequenceAsString) != null) {
if (currentRollbackSequenceAsString.trim().toLowerCase().matches("^not required.*") || currentRollbackSequence.toString().trim().toLowerCase().matches("^empty.*")) {
changeSet.addRollbackChange(new EmptyChange());
} else if (currentRollbackSequenceAsString.trim().toLowerCase().contains("changesetid")) {
configureRollbackChangeSet(physicalChangeLogLocation, changeLog, changeSet, currentRollbackSequenceAsString);
} else {
configureRollbackChange(changeLogParameters, currentRollbackSequence, changeSet, rollbackSplitStatementsPatternMatcher, rollbackSplitStatements, rollbackEndDelimiter);
}
}
}
private void configureRollbackChange(ChangeLogParameters changeLogParameters, StringBuilder currentRollbackSequence, ChangeSet changeSet, Matcher rollbackSplitStatementsPatternMatcher, boolean rollbackSplitStatements, String rollbackEndDelimiter) {
AbstractSQLChange rollbackChange = getChange();
setChangeSequence(rollbackChange, changeLogParameters.expandExpressions(currentRollbackSequence.toString(), changeSet.getChangeLog()));
if (rollbackSplitStatementsPatternMatcher.matches()) {
rollbackChange.setSplitStatements(rollbackSplitStatements);
}
if (rollbackEndDelimiter != null) {
rollbackChange.setEndDelimiter(rollbackEndDelimiter);
}
changeSet.addRollbackChange(rollbackChange);
}
private void configureRollbackChangeSet(String physicalChangeLogLocation, DatabaseChangeLog changeLog, ChangeSet changeSet, String currentRollBackSequenceAsString) throws ChangeLogParseException {
String rollbackString = currentRollBackSequenceAsString.replace("\n", "").replace("\r", "");
Matcher authorMatcher = ROLLBACK_CHANGE_SET_AUTHOR_PATTERN.matcher(rollbackString);
Matcher idMatcher = ROLLBACK_CHANGE_SET_ID_PATTERN.matcher(rollbackString);
Matcher pathMatcher = ROLLBACK_CHANGE_SET_PATH_PATTERN.matcher(rollbackString);
String changeSetAuthor = StringUtil.trimToNull(parseString(authorMatcher));
String changeSetId = StringUtil.trimToNull(parseString(idMatcher));
String changeSetPath = StringUtil.trimToNull(parseString(pathMatcher));
if (changeSetId == null) {
throw new ChangeLogParseException("'changesetId' not set in rollback block '" + rollbackString + "'");
}
if (changeSetAuthor == null) {
throw new ChangeLogParseException("'changesetAuthor' not set in rollback block '" + rollbackString + "'");
}
if (changeSetPath == null) {
changeSetPath = physicalChangeLogLocation;
}
ChangeSet rollbackChangeSet = changeLog.getChangeSet(changeSetPath, changeSetAuthor, changeSetId);
DatabaseChangeLog parent = changeLog;
while ((rollbackChangeSet == null) && (parent != null)) {
parent = parent.getParentChangeLog();
if (parent != null) {
rollbackChangeSet = parent.getChangeSet(changeSetPath, changeSetAuthor, changeSetId);
}
}
if (rollbackChangeSet == null) {
throw new ChangeLogParseException("Change set " + new ChangeSet(changeSetId, changeSetAuthor, false, false, changeSetPath, null, null, null).toString(false) + " does not exist");
}
for (Change rollbackChange : rollbackChangeSet.getChanges()) {
changeSet.addRollbackChange(rollbackChange);
}
}
private void handleProperty(ChangeLogParameters changeLogParameters, DatabaseChangeLog changeLog, String line) {
Matcher namePatternMatcher = NAME_PATTERN.matcher(line);
Matcher valuePatternMatcher = VALUE_PATTERN.matcher(line);
Matcher contextPatternMatcher = CONTEXT_PATTERN.matcher(line);
Matcher contextFilterPatternMatcher = CONTEXT_FILTER_PATTERN.matcher(line);
Matcher labelsPatternMatcher = LABELS_PATTERN.matcher(line);
Matcher dbmsPatternMatcher = DBMS_PATTERN.matcher(line);
Matcher globalPatternMatcher = GLOBAL_PATTERN.matcher(line);
String name = parseString(namePatternMatcher);
if (name != null) {
name = changeLogParameters.expandExpressions(name, changeLog);
}
String value = parseString(valuePatternMatcher);
if (value != null) {
value = changeLogParameters.expandExpressions(value, changeLog);
}
String context = parseString(contextFilterPatternMatcher);
if (context == null || context.isEmpty()) {
context = parseString(contextPatternMatcher);
}
if (context != null) {
context = changeLogParameters.expandExpressions(StringUtil.stripEnclosingQuotes(context), changeLog);
}
String labels = parseString(labelsPatternMatcher);
if (labels != null) {
labels = changeLogParameters.expandExpressions(StringUtil.stripEnclosingQuotes(labels), changeLog);
}
String dbms = parseString(dbmsPatternMatcher);
if (dbms != null) {
dbms = changeLogParameters.expandExpressions(dbms.trim(), changeLog);
}
// behave like liquibase < 3.4 and set global == true (see DatabaseChangeLog.java)
boolean global = parseBoolean(globalPatternMatcher, true);
changeLogParameters.set(name, value, context, labels, dbms, global, changeLog);
}
private StringBuilder extractMultiLineRollBack(BufferedReader reader) throws IOException, ChangeLogParseException {
StringBuilder multiLineRollback = new StringBuilder();
String line;
if (reader != null) {
while ((line = reader.readLine()) != null) {
if (ROLLBACK_MULTI_LINE_END_PATTERN.matcher(line).matches()) {
String[] lastLineSplit = line.split(String.format("%s\\s*$", getEndMultiLineCommentSequence()));
if (lastLineSplit.length > 0 && !StringUtil.isWhitespace(lastLineSplit[0])) {
multiLineRollback.append(lastLineSplit[0]);
}
return multiLineRollback;
}
multiLineRollback.append(line);
}
throw new ChangeLogParseException("Liquibase rollback comment is not closed.");
}
return multiLineRollback;
}
private boolean parseBoolean(Matcher matcher, boolean defaultValue) {
boolean value = defaultValue;
if (matcher.matches()) {
value = Boolean.parseBoolean(matcher.group(1));
}
return value;
}
protected boolean parseBoolean(Matcher matcher, ChangeSet changeSet, boolean defaultValue) throws ChangeLogParseException {
boolean stripComments = defaultValue;
if (matcher.matches()) {
try {
stripComments = Boolean.parseBoolean(matcher.group(1));
} catch (Exception e) {
throw new ChangeLogParseException("Cannot parse " + changeSet + " " + matcher.toString().replaceAll("\\.*", "") + " as a boolean");
}
}
return stripComments;
}
}
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