java/sql-dk/src/main/java/info/globalcode/sql/dk/formatting/SingleValueFormatter.java
branchv_0
changeset 238 4a1864c3e867
parent 142 da1e38386d84
child 250 aae5009bd0af
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/sql-dk/src/main/java/info/globalcode/sql/dk/formatting/SingleValueFormatter.java	Mon Mar 04 20:15:24 2019 +0100
@@ -0,0 +1,52 @@
+/**
+ * SQL-DK
+ * Copyright © 2013 František Kučera (frantovo.cz)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package info.globalcode.sql.dk.formatting;
+
+import java.io.PrintWriter;
+
+/**
+ * Prints just the value without any formatting. If the result set contains multiple records or
+ * columns, the values are simply concatenate without any separators. If updates result is returned,
+ * the updated records count is printed.
+ *
+ * @author Ing. František Kučera (frantovo.cz)
+ */
+public class SingleValueFormatter extends AbstractFormatter {
+
+	public static final String NAME = "single"; // bash-completion:formatter
+	private PrintWriter out;
+
+	public SingleValueFormatter(FormatterContext formatterContext) {
+		super(formatterContext);
+		this.out = new PrintWriter(formatterContext.getOutputStream());
+	}
+
+	@Override
+	public void writeColumnValue(Object value) {
+		super.writeColumnValue(value);
+		out.print(String.valueOf(value));
+		out.flush();
+	}
+
+	@Override
+	public void writeUpdatesResult(int updatedRowsCount) {
+		super.writeUpdatesResult(updatedRowsCount);
+		out.print(updatedRowsCount);
+		out.flush();
+	}
+}