package liquibase.integration.ant;
import liquibase.LabelExpression;
import liquibase.util.StringUtils;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.resources.FileResource;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
public abstract class AbstractChangeLogBasedTask extends BaseLiquibaseTask {
private FileResource changeLogFile;
private String contexts;
private LabelExpression labels;
private FileResource outputFile;
private String outputEncoding;
@Override
protected void validateParameters() {
super.validateParameters();
if(changeLogFile == null) {
throw new BuildException("Change log file is required.");
}
}
protected Writer getOutputFileWriter() throws IOException {
return new OutputStreamWriter(outputFile.getOutputStream(), getOutputEncoding());
}
/**
* Gets the change log file set from Ant.
* @return The change log file resource.
*/
@Override
public FileResource getChangeLogFile() {
return changeLogFile;
}
public void setChangeLogFile(FileResource changeLogFile) {
this.changeLogFile = changeLogFile;
}
public String getContexts() {
return contexts;
}
public void setContexts(String contexts) {
this.contexts = contexts;
}
public LabelExpression getLabels() {
return labels;
}
public void setLabels(String labels) {
this.labels = new LabelExpression(labels);
}
public FileResource getOutputFile() {
return outputFile;
}
public void setOutputFile(FileResource outputFile) {
this.outputFile = outputFile;
}
public String getOutputEncoding() {
return (StringUtils.trimToNull(outputEncoding) == null) ? getDefaultOutputEncoding() : outputEncoding.trim();
}
public void setOutputEncoding(String outputEncoding) {
this.outputEncoding = outputEncoding;
}
}