edit

Author: usfalami

src/main/java/org/usf/jquery/core/AsciiResultMapper.java

@@ -94,20 +94,10 @@ public Void map(ResultSet rs) throws SQLException {
 	}
 
 	private static boolean isNumer(int type) {
-		switch (type) {
-		case BOOLEAN:
-		case BIT:
-		case TINYINT:
-		case SMALLINT:
-		case INTEGER:
-		case BIGINT:
-		case REAL:
-		case FLOAT:
-		case DOUBLE:
-		case NUMERIC:
-		case DECIMAL: return true;
-		default: return false;
-		}
+		return switch (type) {
+		case BOOLEAN, BIT, TINYINT, SMALLINT, INTEGER, BIGINT, REAL, FLOAT, DOUBLE, NUMERIC, DECIMAL: yield true;
+		default: yield false;
+		};
 	}
 
 	private static Object[] array(int size, String v) {

src/main/java/org/usf/jquery/web/view/Chart2DView.java

@@ -4,7 +4,6 @@
 import static java.lang.System.lineSeparator;
 import static java.nio.file.Files.readString;
 import static java.util.Map.ofEntries;
-import static java.util.stream.Collectors.toList;
 import static org.usf.jquery.core.SqlStringBuilder.doubleQuote;
 import static org.usf.jquery.web.view.WebViewMapper.DataTable.fromMetaData;
 import static org.usf.jquery.web.view.WebViewMapper.WebType.NUMBER;
@@ -54,7 +53,7 @@ public Void map(ResultSet rs) throws SQLException {
 		var sb1 = new StringBuilder();
 		var xAxis = dt.getXAxis();
 		sb1.append("[").append(doubleQuote(xAxis.getType().typeName())).append(",").append(doubleQuote(xAxis.getName())).append("]");
-		var cols = dt.getRows().stream().flatMap(c-> c.stream().skip(1)).map(Entry::getKey).distinct().sorted().collect(toList());
+		var cols = dt.getRows().stream().flatMap(c-> c.stream().skip(1)).map(Entry::getKey).distinct().sorted().toList();
 		if(cols.isEmpty()) { //no data
 			for(var c : dt.getYAxis()) {
 				sb1.append(",[").append(doubleQuote(NUMBER.typeName())).append(",").append(doubleQuote(c.getName())).append("]");

src/main/java/org/usf/jquery/web/view/ChartMappers.java

@@ -20,19 +20,19 @@
 public final class ChartMappers {
 
 	public static WebViewMapper webChart(String view, Writer w) {
-		switch (view) {
-		case "table"	: return new TableView(w);
-		case "pie"		: return new PieChartView(w);
-		case "column"	: return columnChart(w);
-		case "bar"		: return barChart(w);
-		case "area"		: return areaChart(w);
-		case "combo"	: return comboChart(w);
-		case "line"		: return lineChart(w);
-		case "timeline"	: return new TimelineChartView(w);
-		case "calendar"	: return new CalendarView(w);
-		case "sankey"	: return new SankeyView(w);
+		return switch (view) {
+		case "table"	: yield new TableView(w);
+		case "pie"		: yield new PieChartView(w);
+		case "column"	: yield columnChart(w);
+		case "bar"		: yield barChart(w);
+		case "area"		: yield areaChart(w);
+		case "combo"	: yield comboChart(w);
+		case "line"		: yield lineChart(w);
+		case "timeline"	: yield new TimelineChartView(w);
+		case "calendar"	: yield new CalendarView(w);
+		case "sankey"	: yield new SankeyView(w);
 		default			: throw new IllegalArgumentException(view);
-		}
+		};
 	}
 
 }

src/main/java/org/usf/jquery/web/view/PieChartView.java

@@ -45,7 +45,7 @@ public Void map(ResultSet rs) throws SQLException { //scroll.
 		var bg = currentTimeMillis();
         var rw = 0;
     	var cols = TableColumn.columns(rs.getMetaData());
-    	var numb = Stream.of(cols).filter(c-> c.getType() == NUMBER).collect(toList());
+    	var numb = Stream.of(cols).filter(c-> c.getType() == NUMBER).toList();
     	if(numb.isEmpty()) {
     		throw new IllegalArgumentException("require number column");
     	}

src/main/java/org/usf/jquery/web/view/SankeyView.java

@@ -3,7 +3,6 @@
 import static java.lang.System.currentTimeMillis;
 import static java.lang.System.lineSeparator;
 import static java.nio.file.Files.readString;
-import static java.util.stream.Collectors.toList;
 import static org.usf.jquery.web.view.WebViewMapper.TableColumn.columns;
 import static org.usf.jquery.web.view.WebViewMapper.WebType.NUMBER;
 import static org.usf.jquery.web.view.WebViewMapper.WebType.STRING;
@@ -46,7 +45,7 @@ public Void map(ResultSet rs) throws SQLException {
 		var bg = currentTimeMillis();
         var rw = 0;
         var cols = columns(rs.getMetaData());
-        var xAxis = Stream.of(cols).filter(c-> c.getType() == STRING).collect(toList());
+        var xAxis = Stream.of(cols).filter(c-> c.getType() == STRING).toList();
         if(xAxis.size() != 2) {
         	throw new IllegalArgumentException("require [STRING, STRING, NUMBER] columns");
         }

src/main/java/org/usf/jquery/web/view/TimelineChartView.java

@@ -45,15 +45,15 @@ public Void map(ResultSet rs) throws SQLException {
 		var bg = currentTimeMillis();
         var rw = 0;
         var cols = columns(rs.getMetaData());
-        var numb = Stream.of(cols).filter(c-> c.getType() == NUMBER).collect(toList());
+        var numb = Stream.of(cols).filter(c-> c.getType() == NUMBER).toList();
         if(numb.isEmpty()) {
-            numb = Stream.of(cols).filter(c-> c.getType().isDate()).collect(toList());
+            numb = Stream.of(cols).filter(c-> c.getType().isDate()).toList();
         }
         if(numb.isEmpty() || numb.size() != 2) {
         	throw new IllegalArgumentException("require NUMBER or DATE columns");
         }
         var yAxis = numb;
-        var xAxis = Stream.of(cols).filter(c-> yAxis.stream().noneMatch(v-> v.getName().equals(c.getName()))).collect(toList());
+        var xAxis = Stream.of(cols).filter(c-> yAxis.stream().noneMatch(v-> v.getName().equals(c.getName()))).toList();
         if(xAxis.isEmpty()) {
 
         }

src/main/java/org/usf/jquery/web/view/WebViewMapper.java

@@ -87,23 +87,14 @@ public String typeName() {
 		}
 
 		static WebType typeOf(int type) {
-			switch (type) {
-			case Types.BOOLEAN: return BOOLEAN;
-			case Types.BIT:
-			case Types.TINYINT:
-			case Types.SMALLINT:
-			case Types.INTEGER:
-			case Types.BIGINT:
-			case Types.REAL:
-			case Types.FLOAT:
-			case Types.DOUBLE:
-			case Types.NUMERIC:
-			case Types.DECIMAL: return NUMBER;
-			case Types.DATE: return DATE;
-			case Types.TIMESTAMP: return DATETIME;
+			return switch (type) {
+			case Types.BOOLEAN: yield BOOLEAN;
+			case Types.BIT, Types.TINYINT, Types.SMALLINT, Types.INTEGER, Types.BIGINT, Types.REAL, Types.FLOAT, Types.DOUBLE, Types.NUMERIC, Types.DECIMAL: yield NUMBER;
+			case Types.DATE: yield DATE;
+			case Types.TIMESTAMP: yield DATETIME;
 			//case Types.TIME: //need explicit cast format !?
-			default: return STRING;
-			}
+			default: yield STRING;
+			};
 		}
 	}