iSharkFly-Docs
/
java-tutorials
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

use utility class directly

This commit is contained in:
joe zhang 2020-08-03 22:52:22 +08:00
parent ae479954f4
commit 33841c2034
3 changed files with 42 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/primitivetype/PrimitiveTypeUtil.java
View File

@ -3,10 +3,6 @@ package com.baeldung.primitivetype;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.lang3.ClassUtils;
import com.google.common.primitives.Primitives;
public class PrimitiveTypeUtil {
private static final Map<Class<?>, Class<?>> WRAPPER_TYPE_MAP;
@ -23,16 +19,8 @@ public class PrimitiveTypeUtil {
WRAPPER_TYPE_MAP.put(Void.class, void.class);
}
public boolean isPrimitiveTypeByCommonsLang(Object source) {
return ClassUtils.isPrimitiveOrWrapper(source.getClass());
}
public boolean isPrimitiveTypeByGuava(Object source) {
return Primitives.isWrapperType(source.getClass());
}
public boolean isPrimitiveType(Object source) {
return WRAPPER_TYPE_MAP.containsKey(source.getClass());
public boolean isPrimitiveType(Class<?> sourceClass) {
return WRAPPER_TYPE_MAP.containsKey(sourceClass);
}
}

40
core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/primitivetype/PrimitiveTypeUnitTest.java Normal file
View File

@ -0,0 +1,40 @@
package com.baeldung.primitivetype;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.apache.commons.lang3.ClassUtils;
import org.junit.Before;
import org.junit.Test;
import com.google.common.primitives.Primitives;
public class PrimitiveTypeUnitTest {
private PrimitiveTypeUtil primitiveTypeUtil;
@Before
public void setup() {
primitiveTypeUtil = new PrimitiveTypeUtil();
}
@Test
public void givenAClass_whenCheckWithPrimitiveTypeUtil_thenShouldValidate() {
assertTrue(primitiveTypeUtil.isPrimitiveType(Boolean.class));
assertFalse(primitiveTypeUtil.isPrimitiveType(String.class));
}
@Test
public void givenAClass_whenCheckWithCommonsLang_thenShouldValidate() {
assertTrue(ClassUtils.isPrimitiveOrWrapper(Boolean.class));
assertTrue(ClassUtils.isPrimitiveOrWrapper(boolean.class));
assertFalse(ClassUtils.isPrimitiveOrWrapper(String.class));
}
@Test
public void givenAClass_whenCheckWithGuava_thenShouldValidate() {
assertTrue(Primitives.isWrapperType(Boolean.class));
assertFalse(Primitives.isWrapperType(String.class));
assertFalse(Primitives.isWrapperType(boolean.class));
}
}

41
core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/primitivetype/PrimitiveTypeUtilUnitTest.java
View File

@ -1,41 +0,0 @@
package com.baeldung.primitivetype;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Before;
import org.junit.Test;
public class PrimitiveTypeUtilUnitTest {
private PrimitiveTypeUtil primitiveTypeUtil;
private boolean booleanVal = false;
private Long longWrapper = 1L;
private String nonPrimitiveVal = "non primitive string";
@Before
public void setup() {
primitiveTypeUtil = new PrimitiveTypeUtil();
}
@Test
public void givenObjectWhenCheckWithGuavaShouldValidate() {
assertTrue(primitiveTypeUtil.isPrimitiveTypeByGuava(booleanVal));
assertTrue(primitiveTypeUtil.isPrimitiveTypeByGuava(longWrapper));
assertFalse(primitiveTypeUtil.isPrimitiveTypeByGuava(nonPrimitiveVal));
}
@Test
public void givenObjectWhenCheckWithCommonsLangShouldValidate() {
assertTrue(primitiveTypeUtil.isPrimitiveTypeByCommonsLang(booleanVal));
assertTrue(primitiveTypeUtil.isPrimitiveTypeByCommonsLang(longWrapper));
assertFalse(primitiveTypeUtil.isPrimitiveTypeByCommonsLang(nonPrimitiveVal));
}
@Test
public void givenPrimitiveOrWrapperWhenCheckWithCustomMethodShouldReturnTrue() {
assertTrue(primitiveTypeUtil.isPrimitiveType(booleanVal));
assertTrue(primitiveTypeUtil.isPrimitiveType(longWrapper));
assertFalse(primitiveTypeUtil.isPrimitiveType(nonPrimitiveVal));
}
}