package liquibase.integration.ant;
import liquibase.Contexts;
import liquibase.LabelExpression;
import liquibase.Liquibase;
import liquibase.exception.LiquibaseException;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.resources.FileResource;
import org.apache.tools.ant.util.FileUtils;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
public class ChangeLogSyncTask extends AbstractChangeLogBasedTask {
@Override
public void executeWithLiquibaseClassloader() throws BuildException {
Liquibase liquibase = getLiquibase();
OutputStreamWriter writer = null;
try {
FileResource outputFile = getOutputFile();
if (outputFile != null) {
writer = new OutputStreamWriter(outputFile.getOutputStream(), getOutputEncoding());
liquibase.changeLogSync(new Contexts(getContexts()), getLabels(), writer);
} else {
liquibase.changeLogSync(new Contexts(getContexts()), getLabels());
}
} catch (UnsupportedEncodingException e) {
throw new BuildException("Unable to generate sync SQL. Encoding [" + getOutputEncoding() + "] is not supported.", e);
} catch (IOException e) {
throw new BuildException("Unable to generate sync SQL. Error creating output writer.", e);
} catch (LiquibaseException e) {
throw new BuildException("Unable to sync change log.", e);
} finally {
FileUtils.close(writer);
}
}
}