Added CheckEmptyHelper

Author: daneeldeveloper

fj-core/src/main/java/org/fugerit/java/core/lang/compare/CheckEmptyHelper.java

@@ -0,0 +1,19 @@
+package org.fugerit.java.core.lang.compare;
+
+import org.fugerit.java.core.lang.helpers.StringUtils;
+
+public class CheckEmptyHelper {
+
+	public static boolean isEmpty( Object v ) {
+		boolean empty = ( v == null );
+		if ( !empty ) {
+			if( v instanceof String ) {
+				empty = StringUtils.isEmpty( (String)v );
+			} else if ( v instanceof CheckEmpty ) {
+				empty = ((CheckEmpty)v).isEmpty();
+			}
+		}
+		return empty;
+	}
+	
+}

fj-core/src/test/java/test/org/fugerit/java/core/lang/compare/CheckEmptyModel.java

@@ -0,0 +1,48 @@
+package test.org.fugerit.java.core.lang.compare;
+
+import java.io.Serializable;
+
+import org.fugerit.java.core.lang.compare.CheckEmpty;
+import org.fugerit.java.core.lang.helpers.StringUtils;
+
+public class CheckEmptyModel implements Serializable, CheckEmpty {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 7042054220652894764L;
+
+	private String prop1;
+	
+	private String prop2;
+
+	public String getProp1() {
+		return prop1;
+	}
+
+	public void setProp1(String prop1) {
+		this.prop1 = prop1;
+	}
+
+	public String getProp2() {
+		return prop2;
+	}
+
+	public void setProp2(String prop2) {
+		this.prop2 = prop2;
+	}
+
+	public CheckEmptyModel(String prop1, String prop2) {
+		super();
+		this.prop1 = prop1;
+		this.prop2 = prop2;
+	}
+
+	@Override
+	public boolean isEmpty() {
+		return StringUtils.isEmpty( this.getProp1() ) && StringUtils.isEmpty( this.getProp2() );
+	}
+	
+	
+	
+}

fj-core/src/test/java/test/org/fugerit/java/core/lang/compare/TestCheckEmpty.java

@@ -0,0 +1,65 @@
+package test.org.fugerit.java.core.lang.compare;
+
+import static org.junit.Assert.fail;
+
+import org.fugerit.java.core.lang.compare.CheckEmptyHelper;
+import org.junit.Test;
+
+import test.org.fugerit.java.BasicTest;
+
+public class TestCheckEmpty extends BasicTest {
+	
+	public static boolean EMPTY = true;
+	
+	public static boolean NOT_EMPTY = false;
+	
+	private void checkEmptyHelper( Object value, boolean shouldBeEmpty ) {
+		boolean empty = CheckEmptyHelper.isEmpty( value );
+		if ( empty && !shouldBeEmpty ) {
+			fail( "Value is empty is not expected" );
+		} else if ( !empty && shouldBeEmpty ) {
+			fail( "Value is not empty is expected" );
+		}
+	}
+	
+	@Test
+	public void test001() {
+		this.checkEmptyHelper( "test" , NOT_EMPTY );
+	}
+
+	@Test
+	public void test002() {
+		this.checkEmptyHelper( "" , EMPTY );
+	}
+	
+	@Test
+	public void test003() {
+		this.checkEmptyHelper( null , EMPTY );
+	}
+	
+	@Test
+	public void test004() {
+		this.checkEmptyHelper( new CheckEmptyModel( "", "" ) , EMPTY );
+	}
+	
+	@Test
+	public void test005() {
+		this.checkEmptyHelper( new CheckEmptyModel( "1", "2" ) , NOT_EMPTY );
+	}
+	
+	@Test
+	public void test006() {
+		this.checkEmptyHelper( new CheckEmptyModel( "1", null ) , NOT_EMPTY );
+	}
+	
+	@Test
+	public void test007() {
+		this.checkEmptyHelper( new CheckEmptyModel( null, "2" ) , NOT_EMPTY );
+	}
+	
+	@Test
+	public void test008() {
+		this.checkEmptyHelper( new CheckEmptyModel( null, null ) , EMPTY );
+	}
+	
+}