fixes ArrayIndexOutOfBoundsException when reading CSV file #658

core/src/main/java/tech/tablesaw/io/FileReader.java

@@ -62,6 +62,7 @@ private String[] getHeaderNames(
       String[] headerNames = parser.parseNext();
       // work around issue where Univocity returns null if a column has no header.
       for (int i = 0; i < headerNames.length; i++) {
+        headerNames[i] = headerNames[i].trim();
         if (headerNames[i] == null) {
           headerNames[i] = "C" + i;
         }

core/src/test/java/tech/tablesaw/io/FileReaderTest.java

@@ -0,0 +1,15 @@
+package tech.tablesaw.io;
+
+import org.junit.jupiter.api.Test;
+import tech.tablesaw.api.Table;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class FileReaderTest {
+
+  @Test
+  void parseWhenHeadersHaveWhitespace() throws Exception {
+    Table t = Table.read().csv("../data/2017_Climate_Investment_Funds.csv");
+    assertNotNull(t);
+  }
+}

data/2017_Climate_Investment_Funds.csv

@@ -0,0 +1,25 @@
+Reporting year,Project Title,Country,Region,Public/ Private,Technology,Grid connection,SREP Funding(US$m),MDB,Lifetime,Installed Capacity (MW),Target Annual Electricity Output (MWh) ,Women - Target improved energy access,Men - Target improved energy access,People - Target improved energy access,Businesses - Target improved energy access,Community Services - Target improved energy access,Annual Target GHG emissions reduced/avoided  (tons of CO2 equivalent),Lifetime Target GHG emissions reduced/avoided  (tons of CO2 equivalent),Target co-financing  (US$m),Target co-financing  Government (US$m),Target co-financing Private sector (US$m),Target co-financing  MDBs (US$m),Target co-financing  bilaterals (US$m),Target co-financing  others (US$m),"Actual  Annual Electricity Output (Latest Year, MWh) ","Women- Actual improved energy access, Latest Year","Men- Actual improved energy access, Latest Year","People - Actual improved energy access, Latest Year","Businesses - Actual improved energy access, Latest Year","Community Services - Actual improved energy access, Latest Year","Actual GHG emissions reduced/avoided  (Latest Year, tons of CO2 equivalent)","Actual co-financing (Latest Year, US$m)","Actual co-financing  Government (Latest Year, US$m)","Actual co-financing Private sector (Latest Year, US$m)","Actual co-financing  MDBs (Latest Year, US$m)","Actual co-financing  bilaterals (Latest Year, US$m)","Actual co-financing  others (Latest Year, US$m)",Cumulative Annual Electricity Output (MWh) ,Women- Cumulative improved energy access ,Men- Cumulative improved energy access ,People - Cumulative improved energy access ,Businesses - Cumulative improved energy access ,Community Services - Cumulative improved energy access ,Cumulative GHG emissions reduced/avoided  (tons of CO2 equivalent),Cumulative co-financing (US$m),Cumulative co-financing  Government (US$m),Cumulative co-financing Private sector (US$m),Cumulative co-financing  MDBs (US$m),Cumulative co-financing  bilaterals (US$m),Cumulative co-financing  others (US$m)
+2017,Rural Electrification Expansion Project,Tanzania,AFR,Public,Mixed RE,off-grid,9,IBRD,20,33,142000,155000,155000,310000,,,112000,2220000,155,28,31,35,56,0,0,0,0,0,,,0,0,0,0,0,0,0,0,0,0,0,,,0,0,0,0,0,0,0
+2017,Solar Power Development Project,Solomon Islands,ASIA,Public,Solar,off-grid,6.6,ADB,20,2,3100,2922,3078,6000,,,840,16800,9,6.76,0,2.24,0,0,0,0,0,0,,,0,0,0,0,0,0,0,0,0,0,0,,,0,0,0,0,0,0,0
+2017,Renewable Energy for Electrification in North and Center Liberia Project – Mini-grids,Liberia,AFR,Public,Hydro,mini-grid,25,IBRD,20,,4000,74400,75600,150000,,,3174,63496,4.5,0,0,2.5,1.5,0.5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,,,0,0,0,0,0,0,0,0,0,0
+2017,Nicaragua Geothermal Exploration and Transmission Improvement under the PINIC,Nicaragua,LAC,Public,Geothermal,on-grid,7.5,IDB,,18,315360,,,,,,87139,2614170,12.8,2.81,0,9.99,0,0,0,,,,,,0,0,0,0,0,0,0,0,,,,,,0,0,0,0,0,0,0
+2017,South Asia Subregional Economic Cooperation Power System Expansion Project- Additional Co-financing,Nepal,ASIA,Public,Solar,on-grid,20,ADB,20,25,32850,137505,129495,267000,,,26280,525600,70,0,70,0,0,0,0,0,0,0,,,0,0,0,0,0,0,0,0,0,0,0,,,0,0,0,0,0,0,0
+2017,TA-Strengthening Renewable Energy Regulations,Mongolia,ASIA,Public,Mixed RE,capacity building,1.2,IBRD,4,,,,,,,,,,0.1,0.1,0,0,0,0,,,,,,,,0,0,0,0,0,0,,,,,,,,0,0,0,0,0,0
+2016,Geothermal Exploratory Drilling Project,Armenia,ECA,Public,Geothermal,on-grid,8.7,IBRD,30,28.5,224694,,,,,,166000,5256000,108.6,8.6,100,0,0,0,0,,,,,,0,0,0,0,0,0,0,0,,,,,,0,0,0,0,0,0,0
+2016,Self-Supply RE Guarantee Program,Honduras,LAC,Private,Mixed RE,on-grid,5.5,IDB,20,20,45000,,,,,,40000,800000,40,0,20,20,0,0,1186,,,,,,747,0,0,0,0,0,0,1462,,,,,,921,,0,,1.5,0,0
+2016,Honduras Renewable Energy financing facility,Honduras ,LAC,Private,Mixed RE,on-grid/off-grid,21.25,IDB,13,153,427000,,,,22,,285000,5700000,390,0,40,4,0,346,0,,,,0,,0,0,0,0,0,0,0,0,,,,0,,0,4,0,0,4,0,0
+2016,Electricity Modernization Project,Kenya,AFR,Public,Mixed RE,mini-grid,7.5,IBRD,20,,1242,10125,10125,20250,,,986,19711,13.2,0,10.7,2.5,0,0,0,0,0,0,,,0,8,0,0,8,0,0,0,0,0,0,,,0,8,0,0,8,0,0
+2016,Sustainable Energy Industry Development Project,Pacific Region,ASIA,Public,Mixed RE,capacity building,1.92,IBRD,5,,,,,,,,,,3.7,0,0,0,0,3.7,,,,,,,,0.2,0,0,0,0,0.2,,,,,,,,3.9,0,0,0,0,3.9
+2016,Tanzania Mini-grids project,Tanzania,AFR,Private,Mixed RE,mini-grid,4.95,IFC,,10.5,88000,55000,55000,110000,,,200000,4000000,0.5,0,0.5,0,0,0,0,0,0,0,,,0,0,0,0,0,0,0,0,0,0,0,,,0,0,0,0,0,0,0
+2015,Preparing  Outer Islands for Sustainable Energy Development Program(POISED),Maldives,ASIA,Public,Solar,mini-grid,12.7,ADB,25,21,27600,15410,15410,30820,,,40000,1000000,112,14,0,38,60,0,0,0,0,0,,,0,44.5,0,0,33,0,11.5,0,0,0,0,,,0,44.5,0,0,33,0,11.5
+2015,Promoting the Scaling Up of Renewable Energy in Mali,Mali,AFR,Public,Mixed RE,capacity building,1.5,AFDB,3,,,,,,,,,,1.08,0.37,0,0,0,0.71,,,,,,,,0,0,0,0,0,0,,,,,,,,0.43,0.2,0,0.23,0,0
+2015,South Asia Subregional Economic Cooperation Power System Expansion Project (formerly Rural Electrification Through Renewable Energy),Nepal,ASIA,Public,Mixed RE,mini-grid,11.78,ADB,20,4.8,25228,75689,67661,143350,,,18000,360000,16.72,3.25,0,5,0,8.47,0,0,0,0,,,0,0,0,0,0,0,0,0,2409,4191,6600,,,0,0,0,0,0,0,0
+2015,Extended Biogas Program,Nepal,ASIA,Public,Waste to Heat,off-grid,7.9,IBRD,20,,20400,,,,400,,16970,339404,27.6,27.6,0,0,0,0,0,,,,0,,0,0,0,0,0,0,0,0,,,,0,,0,0,0,0,0,0,0
+2015,Lighting Ethiopia,Ethiopia,AFR,Private,Solar,capacity building,2,IFC,2,,,,,,,,,,0.65,0,0.65,0,0,0,,,,,,,,1.04,0,0.06,0,0,0.98,,,,,,,,1.32,0,0.12,0,0,1.2
+2014,Strengthening the RE Policy and Regulatory Framework(FOMPIER),Honduras,LAC,Public,Mixed RE,capacity building,0.85,IDB,3,,,,,,,,,,0.09,0.09,0,0,0,0,,,,,,,,0,0,0,0,0,0,,,,,,,,0.03,0.03,0,0,0,0
+2014,Menengai Geothermal Project,Kenya,AFR,Public,Geothermal,on-grid,25,AFDB,6,150,1182000,1250000,1250000,2500000,300000,,734650,18327067,477.7,245.2,0,124.1,108.7,0,0,0,0,0,0,,0,11.01,0,0,11.01,0,0,0,0,0,0,0,,0,398.46,0,0,101.91,0,0
+2014,Accelerating Sustainable Private Investments in RE Program(ASPIRE),Maldives,ASIA,Public,Solar,on-grid,12.60245896,IBRD,20,20,32610,19303,19303,38605,,,25883,517667,58,0,42,16,0,0,0,0,0,0,,,0,0,0,0,0,0,0,0,,,0,0,0,0,0.2,0,0.2,0,0,0
+2014,Rural Electrification Hybrid Systems,Mali,AFR,Public,Solar,mini-grid,15.4,IBRD,20,4.8,8653,343224,337776,681000,,,6868,137365,40.73,8.9,1.83,25,0,5,0,0,0,0,,,0,1.16,0,0,1.16,0,0,0,0,0,0,,,0,3.59,0,0,2.77,0,0
+2014,Geothermal Sector Strategy and Regulations,Ethiopia,AFR,Private,Geothermal,on-grid,1.5,IFC,2,,,,,,,,,,0.5,0.5,0,0,0,0,,,,,,,,0,0,0,0,0,0,,,,,,,,0.63,0.46,0,0,0.17,0
+2014,Sustainable Rural Energization(ERUS)-Part I & III:  Promoting Sustainable Business Models for Clean Cookstoves Dissemination,Honduras,LAC,Private,Cookstoves,off-grid,2.947,IDB,5,,,187500,187500,375000,300,,74532,199093,3.03,0.84,0,0,2.19,0,,1976,2024,4000,0,,7790,0.212,0,0.212,0,0,0,,2369,2427,4796,0,,7867,2.922,0,0.73,2.19,0,0
+2014,Geothermal Sector Development Project,Ethiopia,AFR,Public,Geothermal,on-grid,24.5,IBRD,20,70,552000,550000,550000,1100000,,,438122,8762440,304,12,0,178.5,0,113.5,0,0,0,0,,,0,0,0,0,0,0,0,0,0,0,0,,,0,8,0,0,8,0,0