@Test
public void testSimpleCopy_ok() {
NestedSrcMappingObject nestedSrcRef = new NestedSrcMappingObject();
nestedSrcRef.setBigDecimalValue(BigDecimal.ONE);
nestedSrcRef.setName("ljh");
NestedTargetMappingObject nestedTargetRef =
new NestedTargetMappingObject(); // 测试一下mapping到一个Object对象
nestedSrcCopyer.copy(nestedSrcRef, nestedTargetRef);
assertNull(nestedTargetRef.getValue()); // 属性不同，类型也不同
assertEquals(nestedTargetRef.getName(), nestedSrcRef.getName());
NestedSrcMappingObject newNestedSrcRef = new NestedSrcMappingObject(); // 反过来再mapping一次
nestedTargetCopyer.copy(nestedTargetRef, newNestedSrcRef);
assertNull(newNestedSrcRef.getBigDecimalValue()); // 属性不同，类型也不同
assertEquals(newNestedSrcRef.getName(), nestedTargetRef.getName());
}
@Test
public void testNestedMapping() { // 测试嵌套mapping处理
BeanMappingBuilder builder =
new BeanMappingBuilder() {
protected void configure() {
behavior().debug(true); // 设置行为
mapping(HashMap.class, HashMap.class);
fields(srcField(ONE, String.class), targetField(ONE_OTHER, BigInteger.class));
fields(srcField(TWO, BigInteger.class), targetField(TWO_OTHER, Integer.class));
fields(
srcField(THREE, SrcMappingObject.class),
targetField(THREE_OTHER, TargetMappingObject.class))
.recursiveMapping(true);
}
};
// 第二层mapping
BeanMappingBuilder nestedMapping =
new BeanMappingBuilder() {
protected void configure() {
behavior().debug(true); // 设置行为
mapping(SrcMappingObject.class, TargetMappingObject.class);
fields(srcField("intValue"), targetField("intValue"));
fields(srcField("integerValue"), targetField("integerValue"));
fields(srcField("start"), targetField("start"));
fields(srcField("name"), targetField("targetName"));
fields(srcField("mapping"), targetField("mapping")).recursiveMapping(true);
}
};
// 第三层mapping
BeanMappingBuilder nextNestedMapping =
new BeanMappingBuilder() {
protected void configure() {
behavior().debug(true); // 设置行为
mapping(NestedSrcMappingObject.class, NestedTargetMappingObject.class);
fields(srcField("name"), targetField("name"));
fields(srcField("bigDecimalValue"), targetField("value"));
}
};
BeanMappingConfigHelper.getInstance().register(nestedMapping);
BeanMappingConfigHelper.getInstance().register(nextNestedMapping);
BeanMapping mapping = new BeanMapping(builder);
Map src = new HashMap();
src.put(ONE, "10");
src.put(TWO, BigInteger.TEN);
SrcMappingObject srcRef = new SrcMappingObject();
srcRef.setIntegerValue(1);
srcRef.setIntValue(1);
srcRef.setName("ljh");
srcRef.setStart(true);
NestedSrcMappingObject nestedSrcRef = new NestedSrcMappingObject();
nestedSrcRef.setBigDecimalValue(BigDecimal.ONE);
nestedSrcRef.setName("ljh");
srcRef.setMapping(nestedSrcRef);
src.put(THREE, srcRef);
Map dest = new HashMap();
mapping.mapping(src, dest);
assertEquals(dest.get(ONE_OTHER), BigInteger.valueOf(10));
assertEquals(dest.get(TWO_OTHER), Integer.valueOf(10));
TargetMappingObject targetRef = (TargetMappingObject) dest.get(THREE_OTHER);
assertNotNull(targetRef.getMapping());
assertEquals(targetRef.getIntValue(), srcRef.getIntValue());
assertEquals(targetRef.getIntegerValue(), srcRef.getIntegerValue());
assertEquals(targetRef.getTargetName(), srcRef.getName());
assertEquals(targetRef.getMapping().getName(), srcRef.getMapping().getName());
assertEquals(
targetRef.getMapping().getValue(), srcRef.getMapping().getBigDecimalValue().toString());
}
@Test
public void testCollectionNestedMapping() { // 测试下collection的mapping
BeanMappingBuilder builder =
new BeanMappingBuilder() {
protected void configure() {
behavior()
.debug(true)
.mappingEmptyStrings(false)
.mappingNullValue(false)
.trimStrings(true); // 设置行为
mapping(HashMap.class, HashMap.class);
fields(
srcField(ONE),
targetField(ONE_OTHER, ArrayList.class)
.componentClasses(NestedTargetMappingObject.class));
fields(
srcField(TWO),
targetField(TWO_OTHER, HashSet.class)
.componentClasses(NestedTargetMappingObject.class));
fields(
srcField(THREE),
targetField(THREE_OTHER, HashMap[].class).componentClasses(HashMap.class));
}
};
// 第二层mapping
BeanMappingBuilder nextNestedMapping =
new BeanMappingBuilder() {
protected void configure() {
behavior().debug(true); // 设置行为
mapping(NestedSrcMappingObject.class, NestedTargetMappingObject.class);
fields(srcField("name"), targetField("name"));
fields(srcField("bigDecimalValue"), targetField("value"));
}
};
BeanMappingConfigHelper.getInstance().register(nextNestedMapping);
BeanMapping mapping = new BeanMapping(builder);
Map src = new HashMap();
HashMap[] mapArray = new HashMap[1];
Map arrayNested = new HashMap();
arrayNested.put("name", "ljh");
arrayNested.put("value", "10");
mapArray[0] = (HashMap) arrayNested;
src.put(ONE, mapArray);
List<NestedSrcMappingObject> objectList = new ArrayList<NestedSrcMappingObject>();
NestedSrcMappingObject listNested = new NestedSrcMappingObject();
listNested.setBigDecimalValue(BigDecimal.TEN);
listNested.setName("ljh");
objectList.add(listNested);
src.put(TWO, objectList);
Set<NestedSrcMappingObject> objectSet = new HashSet<NestedSrcMappingObject>();
NestedSrcMappingObject setNested = new NestedSrcMappingObject();
setNested.setBigDecimalValue(BigDecimal.TEN);
setNested.setName("ljh");
objectSet.add(listNested);
src.put(THREE, objectSet);
Map dest = new HashMap();
mapping.mapping(src, dest);
List<NestedTargetMappingObject> list = (List) dest.get(ONE_OTHER);
Set<NestedTargetMappingObject> set = (Set) dest.get(TWO_OTHER);
HashMap[] array = (HashMap[]) dest.get(THREE_OTHER);
assertEquals(list.get(0).getName(), "ljh");
assertEquals(list.get(0).getValue(), "10");
NestedTargetMappingObject obj = set.iterator().next();
assertEquals(obj.getName(), "ljh");
assertEquals(obj.getValue(), "10");
assertEquals(array[0].get("name"), "ljh");
assertEquals(array[0].get("bigDecimalValue"), BigDecimal.TEN);
}