Merge branch 'master' of https://github.com/swapanpramanick2004/tutor…

…ials into BAEL-4546
zdougherty-softwarfare · Nov 5, 2021 · d17820b · d17820b
2 parents b2aaaea + 3efbc32
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diff --git a/apache-poi/README.md b/apache-poi/README.md
@@ -12,3 +12,4 @@ This module contains articles about Apache POI
 - [Read Excel Cell Value Rather Than Formula With Apache POI](https://www.baeldung.com/apache-poi-read-cell-value-formula)
 - [Setting Formulas in Excel with Apache POI](https://www.baeldung.com/java-apache-poi-set-formulas)
 - [Insert a Row in Excel Using Apache POI](https://www.baeldung.com/apache-poi-insert-excel-row)
+- [Multiline Text in Excel Cell Using Apache POI](https://www.baeldung.com/apache-poi-write-multiline-text)
diff --git a/apache-poi/src/main/java/com/baeldung/poi/excel/cellstyle/CellStyleHandler.java b/apache-poi/src/main/java/com/baeldung/poi/excel/cellstyle/CellStyleHandler.java
@@ -0,0 +1,30 @@
+package com.baeldung.poi.excel.cellstyle;
+
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.CellStyle;
+import org.apache.poi.ss.usermodel.FillPatternType;
+import org.apache.poi.ss.usermodel.IndexedColors;
+
+public class CellStyleHandler {
+
+    public void changeCellBackgroundColor(Cell cell) {
+        CellStyle cellStyle = cell.getCellStyle();
+        if(cellStyle == null) {
+            cellStyle = cell.getSheet().getWorkbook().createCellStyle();
+        }
+        cellStyle.setFillForegroundColor(IndexedColors.LIGHT_BLUE.getIndex());
+        cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
+        cell.setCellStyle(cellStyle);
+    }
+
+    public void changeCellBackgroundColorWithPattern(Cell cell) {
+        CellStyle cellStyle = cell.getCellStyle();
+        if(cellStyle == null) {
+            cellStyle = cell.getSheet().getWorkbook().createCellStyle();
+        }
+        cellStyle.setFillBackgroundColor(IndexedColors.BLACK.index);
+        cellStyle.setFillPattern(FillPatternType.BIG_SPOTS);
+        cellStyle.setFillForegroundColor(IndexedColors.LIGHT_BLUE.getIndex());
+        cell.setCellStyle(cellStyle);
+    }
+}
diff --git a/apache-poi/src/main/resources/cellstyle/CellStyleHandlerTest.xlsx b/apache-poi/src/main/resources/cellstyle/CellStyleHandlerTest.xlsx
diff --git a/apache-poi/src/test/java/com/baeldung/poi/excel/cellstyle/CellStyleHandlerUnitTest.java b/apache-poi/src/test/java/com/baeldung/poi/excel/cellstyle/CellStyleHandlerUnitTest.java
@@ -0,0 +1,56 @@
+package com.baeldung.poi.excel.cellstyle;
+
+import org.apache.poi.ss.usermodel.*;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.net.URISyntaxException;
+import java.nio.file.Paths;
+
+import static org.junit.Assert.assertEquals;
+
+public class CellStyleHandlerUnitTest {
+    private static final String FILE_NAME = "cellstyle/CellStyleHandlerTest.xlsx";
+    private static final int SHEET_INDEX = 0;
+    private static final int ROW_INDEX = 0;
+    private static final int CELL_INDEX = 0;
+
+    private String fileLocation;
+    private CellStyleHandler cellStyleHandler;
+
+    @Before
+    public void setup() throws URISyntaxException {
+        fileLocation = Paths.get(ClassLoader.getSystemResource(FILE_NAME).toURI()).toString();
+        cellStyleHandler = new CellStyleHandler();
+    }
+
+    @Test
+    public void givenWorkbookCell_whenChangeCellBackgroundColor() throws IOException {
+        Workbook workbook = new XSSFWorkbook(fileLocation);
+        Sheet sheet = workbook.getSheetAt(SHEET_INDEX);
+        Row row = sheet.getRow(ROW_INDEX);
+        Cell cell = row.getCell(CELL_INDEX);
+
+        cellStyleHandler.changeCellBackgroundColor(cell);
+
+        assertEquals(IndexedColors.LIGHT_BLUE.index, cell.getCellStyle().getFillForegroundColor());
+        workbook.close();
+    }
+
+    @Test
+    public void givenWorkbookCell_whenChangeCellBackgroundColorWithPattern() throws IOException {
+        Workbook workbook = new XSSFWorkbook(fileLocation);
+        Sheet sheet = workbook.getSheetAt(SHEET_INDEX);
+        Row row = sheet.getRow(ROW_INDEX);
+        Cell cell = row.getCell(CELL_INDEX + 1);
+
+        cellStyleHandler.changeCellBackgroundColorWithPattern(cell);
+
+        assertEquals(IndexedColors.LIGHT_BLUE.index, cell.getCellStyle().getFillForegroundColor());
+        workbook.close();
+    }
+}
diff --git a/core-java-modules/core-java-11-2/pom.xml b/core-java-modules/core-java-11-2/pom.xml
@@ -32,24 +32,6 @@
             <artifactId>mockserver-junit-jupiter</artifactId>
             <version>${mockserver.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-engine</artifactId>
-            <version>${junit-jupiter.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-params</artifactId>
-            <version>${junit-jupiter.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-api</artifactId>
-            <version>${junit-jupiter.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>

diff --git a/core-java-modules/core-java-14/pom.xml b/core-java-modules/core-java-14/pom.xml
@@ -22,18 +22,6 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-engine</artifactId>
-            <version>${junit-jupiter.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-api</artifactId>
-            <version>${junit-jupiter.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>

diff --git a/core-java-modules/core-java-15/pom.xml b/core-java-modules/core-java-15/pom.xml
@@ -27,18 +27,6 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-engine</artifactId>
-            <version>${junit-jupiter.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-api</artifactId>
-            <version>${junit-jupiter.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>

diff --git a/core-java-modules/core-java-16/pom.xml b/core-java-modules/core-java-16/pom.xml
@@ -28,18 +28,6 @@
             <artifactId>commons-lang3</artifactId>
             <version>3.12.0</version>
         </dependency>
-		<dependency>
-			<groupId>org.junit.jupiter</groupId>
-			<artifactId>junit-jupiter-engine</artifactId>
-			<version>${junit-jupiter.version}</version>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.junit.jupiter</groupId>
-			<artifactId>junit-jupiter-api</artifactId>
-			<version>${junit-jupiter.version}</version>
-			<scope>test</scope>
-		</dependency>
     </dependencies>
 
     <build>

diff --git a/core-java-modules/core-java-17/pom.xml b/core-java-modules/core-java-17/pom.xml
@@ -23,18 +23,6 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-		<dependency>
-			<groupId>org.junit.jupiter</groupId>
-			<artifactId>junit-jupiter-engine</artifactId>
-			<version>${junit-jupiter.version}</version>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.junit.jupiter</groupId>
-			<artifactId>junit-jupiter-api</artifactId>
-			<version>${junit-jupiter.version}</version>
-			<scope>test</scope>
-		</dependency>
     </dependencies>
 
     <build>

diff --git a/core-java-modules/core-java-concurrency-2/pom.xml b/core-java-modules/core-java-concurrency-2/pom.xml
@@ -15,11 +15,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>org.junit.vintage</groupId>
-            <artifactId>junit-vintage-engine</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>com.googlecode.thread-weaver</groupId>
             <artifactId>threadweaver</artifactId>
@@ -31,6 +26,12 @@
             <artifactId>tempus-fugit</artifactId>
             <version>${tempus-fugit.version}</version>
             <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>junit</groupId>
+                    <artifactId>junit</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>com.googlecode.multithreadedtc</groupId>

diff --git a/core-java-modules/core-java-jndi/README.md b/core-java-modules/core-java-jndi/README.md
@@ -2,3 +2,4 @@
 ### Relevant Articles:
 
 - [Java Naming and Directory Interface Overview](https://www.baeldung.com/jndi)
+- [LDAP Authentication Using Pure Java](https://www.baeldung.com/java-ldap-auth)
diff --git a/core-java-modules/core-java-jndi/pom.xml b/core-java-modules/core-java-jndi/pom.xml
@@ -15,23 +15,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter</artifactId>
-            <version>${junit-jupiter.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-api</artifactId>
-            <version>${junit-jupiter.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-engine</artifactId>
-            <version>${junit-jupiter.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
@@ -58,6 +41,18 @@
             <artifactId>h2</artifactId>
             <version>${h2.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.directory.server</groupId>
+            <artifactId>apacheds-test-framework</artifactId>
+            <version>${apacheds.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>3.21.0</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
@@ -76,6 +71,7 @@
     <properties>
         <spring.version>5.0.9.RELEASE</spring.version>
         <h2.version>1.4.199</h2.version>
+        <apacheds.version>2.0.0.AM26</apacheds.version>
         <source.version>1.8</source.version>
         <target.version>1.8</target.version>
     </properties>
Original file line number	Diff line number	Diff line change
Expand Up		@@ -2,3 +2,4 @@
		### Relevant Articles:

		- [Java Naming and Directory Interface Overview](https://www.baeldung.com/jndi)
		- [LDAP Authentication Using Pure Java](https://www.baeldung.com/java-ldap-auth)