remove and prevent links to stackoverflow

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1896899 13f79535-47bb-0310-9956-ffa450edef68

7 files changed, 14 insertions, 25 deletions

diff --git a/poi-examples/src/main/java/org/apache/poi/examples/xslf/BarChartDemo.java b/poi-examples/src/main/java/org/apache/poi/examples/xslf/BarChartDemo.java
index 3a54f75ced..5ddcd19d4a 100644
--- a/poi-examples/src/main/java/org/apache/poi/examples/xslf/BarChartDemo.java
+++ b/poi-examples/src/main/java/org/apache/poi/examples/xslf/BarChartDemo.java
@@ -124,7 +124,7 @@ public final class BarChartDemo {
         series2.setTitle(series[1], chart.setSheetTitle(series[1], COLUMN_SPEAKERS));
 
         chart.plot(bar);
-        chart.setTitleText(chartTitle); // https://stackoverflow.com/questions/30532612
+        chart.setTitleText(chartTitle);
         // chart.setTitleOverlay(overlay);
 
         // adjust font size for readability
diff --git a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/BarAndLineChart.java b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/BarAndLineChart.java
index 32329f2c29..b49871c32a 100644
--- a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/BarAndLineChart.java
+++ b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/BarAndLineChart.java
@@ -58,10 +58,6 @@ import org.apache.poi.xssf.usermodel.XSSFRow;
 import org.apache.poi.xssf.usermodel.XSSFSheet;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 
-// original contributions by Axel Richter on https://stackoverflow.com/questions/47065690
-// additional title formatting from https://stackoverflow.com/questions/50418856
-// and legend positioning from https://stackoverflow.com/questions/49615379
-// this would probably be an answer for https://stackoverflow.com/questions/36447925 too
 public final class BarAndLineChart {
 
     private static final int NUM_OF_ROWS = 7;
diff --git a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/BarChart.java b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/BarChart.java
index 8c68fe87a7..7f1f1c5ec6 100644
--- a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/BarChart.java
+++ b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/BarChart.java
@@ -79,7 +79,7 @@ public final class BarChart {
 
             // Use a category axis for the bottom axis.
             XDDFCategoryAxis bottomAxis = chart.createCategoryAxis(AxisPosition.BOTTOM);
-            bottomAxis.setTitle("x"); // https://stackoverflow.com/questions/32010765
+            bottomAxis.setTitle("x");
             XDDFValueAxis leftAxis = chart.createValueAxis(AxisPosition.LEFT);
             leftAxis.setTitle("f(x)");
             leftAxis.setCrosses(AxisCrosses.AUTO_ZERO);
@@ -90,7 +90,7 @@ public final class BarChart {
 
             XDDFChartData data = chart.createData(ChartTypes.BAR, bottomAxis, leftAxis);
             XDDFChartData.Series series1 = data.addSeries(xs, ys1);
-            series1.setTitle("2x", null); // https://stackoverflow.com/questions/21855842
+            series1.setTitle("2x", null);
             XDDFChartData.Series series2 = data.addSeries(xs, ys2);
             series2.setTitle("3x", null);
             chart.plot(data);
diff --git a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/ExcelChartWithTargetLine.java b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/ExcelChartWithTargetLine.java
index a80916148a..83b8653297 100644
--- a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/ExcelChartWithTargetLine.java
+++ b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/ExcelChartWithTargetLine.java
@@ -53,14 +53,10 @@ import org.apache.poi.xssf.usermodel.XSSFSheet;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 
 /**
- * This example is based on original contributions by Axel Richter on StackOverflow.
+ * This example is based on original contributions by Axel Richter
  *
  * <em>Note from original author</em>:
  * This only works for Excel since OpenOffice or LibreOffice Calc is not able having series having literal numeric values set.
- *
- * @see <a href="https://stackoverflow.com/questions/50772989/">Create target marker in a bar chart with openxmlformats</a>
- * @see <a href="https://stackoverflow.com/questions/50873700/">Change axis color and font of the chart in openxmlformats</a>
- * @see <a href="https://stackoverflow.com/questions/51530552/">Change colors of line chart Apache POI</a>
  */
 public final class ExcelChartWithTargetLine {
     private ExcelChartWithTargetLine() {}
@@ -91,7 +87,6 @@ public final class ExcelChartWithTargetLine {
         leftValues.crossAxis(barCategories);
         barCategories.crossAxis(leftValues);
 
-        // from https://stackoverflow.com/questions/50873700/
         // colored major grid lines
         leftValues.getOrAddMajorGridProperties().setLineProperties(solidTomato);
         //colored axis line
@@ -167,7 +162,6 @@ public final class ExcelChartWithTargetLine {
         }
 
 
-        // from https://stackoverflow.com/questions/51530552/
         // customize the chart
 
         // do not auto delete the title
diff --git a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/LineChart.java b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/LineChart.java
index 724d3e2608..d0cf568e6a 100644
--- a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/LineChart.java
+++ b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/LineChart.java
@@ -78,7 +78,7 @@ public final class LineChart {
 
             // Use a category axis for the bottom axis.
             XDDFCategoryAxis bottomAxis = chart.createCategoryAxis(AxisPosition.BOTTOM);
-            bottomAxis.setTitle("x"); // https://stackoverflow.com/questions/32010765
+            bottomAxis.setTitle("x");
             XDDFValueAxis leftAxis = chart.createValueAxis(AxisPosition.LEFT);
             leftAxis.setTitle("f(x)");
             leftAxis.setCrosses(AxisCrosses.AUTO_ZERO);
@@ -89,20 +89,19 @@ public final class LineChart {
 
             XDDFLineChartData data = (XDDFLineChartData) chart.createData(ChartTypes.LINE, bottomAxis, leftAxis);
             XDDFLineChartData.Series series1 = (XDDFLineChartData.Series) data.addSeries(xs, ys1);
-            series1.setTitle("2x", null); // https://stackoverflow.com/questions/21855842
-            series1.setSmooth(false); // https://stackoverflow.com/questions/29014848
-            series1.setMarkerStyle(MarkerStyle.STAR); // https://stackoverflow.com/questions/39636138
+            series1.setTitle("2x", null);
+            series1.setSmooth(false);
+            series1.setMarkerStyle(MarkerStyle.STAR);
             XDDFLineChartData.Series series2 = (XDDFLineChartData.Series) data.addSeries(xs, ys2);
             series2.setTitle("3x", null);
             series2.setSmooth(true);
             series2.setMarkerSize((short) 6);
-            series2.setMarkerStyle(MarkerStyle.TRIANGLE); // https://stackoverflow.com/questions/39636138
+            series2.setMarkerStyle(MarkerStyle.TRIANGLE);
             chart.plot(data);
 
-            // if your series have missing values like https://stackoverflow.com/questions/29014848
+            // if your series have missing values
             // chart.displayBlanksAs(DisplayBlanks.GAP);
 
-            // https://stackoverflow.com/questions/24676460
             solidLineSeries(data, 0, PresetColor.CHARTREUSE);
             solidLineSeries(data, 1, PresetColor.TURQUOISE);
 
diff --git a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/ScatterChart.java b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/ScatterChart.java
index a5ce3c84ae..c74de7f840 100644
--- a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/ScatterChart.java
+++ b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/ScatterChart.java
@@ -78,7 +78,7 @@ public final class ScatterChart {
             legend.setPosition(LegendPosition.TOP_RIGHT);
 
             XDDFValueAxis bottomAxis = chart.createValueAxis(AxisPosition.BOTTOM);
-            bottomAxis.setTitle("x"); // https://stackoverflow.com/questions/32010765
+            bottomAxis.setTitle("x");
             XDDFValueAxis leftAxis = chart.createValueAxis(AxisPosition.LEFT);
             leftAxis.setTitle("f(x)");
             leftAxis.setCrosses(AxisCrosses.AUTO_ZERO);
@@ -90,8 +90,8 @@ public final class ScatterChart {
 
             XDDFScatterChartData data = (XDDFScatterChartData) chart.createData(ChartTypes.SCATTER, bottomAxis, leftAxis);
             XDDFScatterChartData.Series series1 = (XDDFScatterChartData.Series) data.addSeries(xs, ys1);
-            series1.setTitle("2x", null); // https://stackoverflow.com/questions/21855842
-            series1.setSmooth(false); // https://stackoverflow.com/questions/39636138
+            series1.setTitle("2x", null);
+            series1.setSmooth(false);
             XDDFScatterChartData.Series series2 = (XDDFScatterChartData.Series) data.addSeries(xs, ys2);
             series2.setTitle("3x", null);
             chart.plot(data);
diff --git a/poi-examples/src/main/java/org/apache/poi/examples/xwpf/usermodel/BarChartExample.java b/poi-examples/src/main/java/org/apache/poi/examples/xwpf/usermodel/BarChartExample.java
index df79c5199b..d96aaeef61 100644
--- a/poi-examples/src/main/java/org/apache/poi/examples/xwpf/usermodel/BarChartExample.java
+++ b/poi-examples/src/main/java/org/apache/poi/examples/xwpf/usermodel/BarChartExample.java
@@ -123,7 +123,7 @@ public final class BarChartExample {
         series2.setTitle(series[1], chart.setSheetTitle(series[1], 1));
 
         chart.plot(bar);
-        chart.setTitleText(chartTitle); // https://stackoverflow.com/questions/30532612
+        chart.setTitleText(chartTitle);
         chart.setTitleOverlay(false);
     }