io.polaris.builder.dbv.DbCommentSplits Maven / Gradle / Ivy
package io.polaris.builder.dbv;
import io.polaris.core.string.Strings;
import io.polaris.core.tuple.Tuple2;
import io.polaris.core.tuple.Tuples;
/**
* @author Qt
* @since 1.8, Aug 08, 2023
*/
public class DbCommentSplits {
/**
* 将表或列的注释切分为标题与备注明细两部分
*
* @param comment
* @return
*/
public static Tuple2 split(String comment) {
String columnLabel = Strings.coalesce(comment, "");
String columnRemark = "";
int columnLabelSplitIdx = columnLabel.indexOf('\n');
if (columnLabelSplitIdx <= 0) {
columnLabelSplitIdx = columnLabel.indexOf('(');
if (columnLabelSplitIdx <= 0) {
columnLabelSplitIdx = columnLabel.indexOf(':');
}
if (columnLabelSplitIdx <= 0) {
columnLabelSplitIdx = columnLabel.indexOf('（');
}
if (columnLabelSplitIdx <= 0) {
columnLabelSplitIdx = columnLabel.indexOf('：');
}
}
if (columnLabelSplitIdx > 0) {
columnRemark = columnLabelSplitIdx < columnLabel.length() - 1 ? columnLabel.substring(columnLabelSplitIdx + 1) : "";
columnLabel = columnLabel.substring(0, columnLabelSplitIdx);
}
return Tuples.of(columnLabel.trim(), columnRemark.trim());
}
}