Fixed column helper for SimpleTable

Author: fugerit79

fj-doc-lib-simpletable/src/main/java/org/fugerit/java/doc/lib/simpletable/SimpleTableHelper.java

@@ -1,5 +1,6 @@
 package org.fugerit.java.doc.lib.simpletable;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -98,5 +99,20 @@ public SimpleRow newHeaderRow( String... cells ) {
 	public SimpleRow newNormalRow( String... cells ) {
 		return this.newHeaderWorker( BooleanUtils.BOOLEAN_FALSE , cells );
 	}
+
+	public List<Integer> newFixedColumns( int columnsNumber ) {
+		List<Integer> list = new ArrayList<>();
+		int length = (100/columnsNumber);
+		int offset = 100-(length*columnsNumber);
+		for ( int k=0; k<columnsNumber; k++ ) {
+			if ( offset > 0 ) {
+				list.add( length+1 );
+				offset--;
+			} else {
+				list.add( length );
+			}
+		}
+		return list;
+	}
 
 }

fj-doc-lib-simpletable/src/test/java/test/org/fugerit/java/doc/lib/simpletable/TestSimpleTableHelperColumns.java

@@ -0,0 +1,45 @@
+package test.org.fugerit.java.doc.lib.simpletable;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.List;
+
+import org.fugerit.java.doc.lib.simpletable.SimpleTableFacade;
+import org.fugerit.java.doc.lib.simpletable.SimpleTableHelper;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class TestSimpleTableHelperColumns {
+
+	private static final Logger logger = LoggerFactory.getLogger( TestSimpleTableHelperColumns.class );
+	
+	private static final SimpleTableHelper HELPER = SimpleTableFacade.newHelper();
+	
+	private void test( int columnNumber ) {
+		int size = 0;
+		List<Integer> colWidths = HELPER.newFixedColumns( columnNumber );
+		logger.info( "Column numbers {}, Column widths : {}", columnNumber, colWidths );
+		for ( int current : colWidths ) {
+			size+= current;
+		}
+		logger.info( "Total size is {}", size );
+		assertEquals( "Wrong columns total size", 100 , size );
+	}
+
+	@Test
+	public void columns_12() {
+		this.test( 12 );
+	}
+	
+	@Test
+	public void columns_10() {
+		this.test( 10 );
+	}
+	
+	@Test
+	public void columns_8() {
+		this.test( 8 );
+	}
+	
+}

fj-doc-lib-simpletable/src/test/resources/log4j2.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+  <Appenders>
+    <Console name="Console" target="SYSTEM_OUT">
+      <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
+    </Console>
+  </Appenders>
+  <Loggers>
+    <Root level="INFO">
+      <AppenderRef ref="Console"/>
+    </Root>
+  </Loggers>
+</Configuration>