// [JACKSON-605]
public void testClassWithParams() throws IOException {
String json = MAPPER.writeValueAsString(new ParamClassBean("Foobar"));
ParamClassBean result = MAPPER.readValue(json, ParamClassBean.class);
assertEquals("Foobar", result.name);
assertSame(String.class, result.clazz);
}
// [JACKSON-484]
public void testInetAddress() throws IOException {
InetAddress address = MAPPER.readValue(quote("127.0.0.1"), InetAddress.class);
assertEquals("127.0.0.1", address.getHostAddress());
// should we try resolving host names? That requires connectivity...
final String HOST = "google.com";
address = MAPPER.readValue(quote(HOST), InetAddress.class);
assertEquals(HOST, address.getHostName());
}
// for [JACKSON-652]
// @since 1.9
public void testUntypedWithJsonArrays() throws Exception {
// by default we get:
Object ob = MAPPER.readValue("[1]", Object.class);
assertTrue(ob instanceof List<?>);
// but can change to produce Object[]:
MAPPER.configure(DeserializationFeature.USE_JAVA_ARRAY_FOR_JSON_ARRAY, true);
ob = MAPPER.readValue("[1]", Object.class);
assertEquals(Object[].class, ob.getClass());
}
public void testRegexps() throws IOException {
final String PATTERN_STR = "abc:\\s?(\\d+)";
Pattern exp = Pattern.compile(PATTERN_STR);
/* Ok: easiest way is to just serialize first; problem
* is the backslash
*/
String json = MAPPER.writeValueAsString(exp);
Pattern result = MAPPER.readValue(json, Pattern.class);
assertEquals(exp.pattern(), result.pattern());
}
// [Issue#239]
public void testByteBuffer() throws Exception {
byte[] INPUT = new byte[] {1, 3, 9, -1, 6};
String exp = MAPPER.writeValueAsString(INPUT);
ByteBuffer result = MAPPER.readValue(exp, ByteBuffer.class);
assertNotNull(result);
assertEquals(INPUT.length, result.remaining());
for (int i = 0; i < INPUT.length; ++i) {
assertEquals(INPUT[i], result.get());
}
assertEquals(0, result.remaining());
}
/** Related to issues [JACKSON-155], [#170]. */
public void testFile() throws Exception {
// Not portable etc... has to do:
File src = new File("/test").getAbsoluteFile();
String abs = src.getAbsolutePath();
// escape backslashes (for portability with windows)
String json = MAPPER.writeValueAsString(abs);
File result = MAPPER.readValue(json, File.class);
assertEquals(abs, result.getAbsolutePath());
// Then #170
final ObjectMapper mapper2 = new ObjectMapper();
mapper2.setVisibility(PropertyAccessor.CREATOR, Visibility.NONE);
result = mapper2.readValue(json, File.class);
assertEquals(abs, result.getAbsolutePath());
}
// [JACKSON-888]
public void testStackTraceElement() throws Exception {
StackTraceElement elem = null;
try {
throw new IllegalStateException();
} catch (Exception e) {
elem = e.getStackTrace()[0];
}
String json = MAPPER.writeValueAsString(elem);
StackTraceElement back = MAPPER.readValue(json, StackTraceElement.class);
assertEquals("testStackTraceElement", back.getMethodName());
assertEquals(elem.getLineNumber(), back.getLineNumber());
assertEquals(elem.getClassName(), back.getClassName());
assertEquals(elem.isNativeMethod(), back.isNativeMethod());
assertTrue(back.getClassName().endsWith("TestJdkTypes"));
assertFalse(back.isNativeMethod());
}
public void testInetSocketAddress() throws IOException {
InetSocketAddress address = MAPPER.readValue(quote("127.0.0.1"), InetSocketAddress.class);
assertEquals("127.0.0.1", address.getAddress().getHostAddress());
InetSocketAddress ip6 =
MAPPER.readValue(quote("2001:db8:85a3:8d3:1319:8a2e:370:7348"), InetSocketAddress.class);
assertEquals("2001:db8:85a3:8d3:1319:8a2e:370:7348", ip6.getAddress().getHostAddress());
InetSocketAddress ip6port =
MAPPER.readValue(
quote("[2001:db8:85a3:8d3:1319:8a2e:370:7348]:443"), InetSocketAddress.class);
assertEquals("2001:db8:85a3:8d3:1319:8a2e:370:7348", ip6port.getAddress().getHostAddress());
assertEquals(443, ip6port.getPort());
// should we try resolving host names? That requires connectivity...
final String HOST = "www.ning.com";
address = MAPPER.readValue(quote(HOST), InetSocketAddress.class);
assertEquals(HOST, address.getHostName());
}
// Test for verifying that Long values are coerced to boolean correctly as well
public void testLongToBoolean() throws Exception {
long value = 1L + Integer.MAX_VALUE;
BooleanBean b =
MAPPER.readValue(
"{\"primitive\" : " + value + ", \"wrapper\":" + value + ", \"ctor\":" + value + "}",
BooleanBean.class);
assertEquals(Boolean.TRUE, b.wrapper);
assertTrue(b.primitive);
assertEquals(Boolean.TRUE, b.ctor);
}
// for [JACKSON-616]
// @since 1.9
public void testEmptyStringForPrimitives() throws IOException {
PrimitivesBean bean;
bean = MAPPER.readValue("{\"booleanValue\":\"\"}", PrimitivesBean.class);
assertFalse(bean.booleanValue);
bean = MAPPER.readValue("{\"byteValue\":\"\"}", PrimitivesBean.class);
assertEquals((byte) 0, bean.byteValue);
bean = MAPPER.readValue("{\"charValue\":\"\"}", PrimitivesBean.class);
assertEquals((char) 0, bean.charValue);
bean = MAPPER.readValue("{\"shortValue\":\"\"}", PrimitivesBean.class);
assertEquals((short) 0, bean.shortValue);
bean = MAPPER.readValue("{\"intValue\":\"\"}", PrimitivesBean.class);
assertEquals(0, bean.intValue);
bean = MAPPER.readValue("{\"longValue\":\"\"}", PrimitivesBean.class);
assertEquals(0L, bean.longValue);
bean = MAPPER.readValue("{\"floatValue\":\"\"}", PrimitivesBean.class);
assertEquals(0.0f, bean.floatValue);
bean = MAPPER.readValue("{\"doubleValue\":\"\"}", PrimitivesBean.class);
assertEquals(0.0, bean.doubleValue);
}
// by default, should return nulls, n'est pas?
public void testEmptyStringForWrappers() throws IOException {
WrappersBean bean;
// by default, ok to rely on defaults
bean = MAPPER.readValue("{\"booleanValue\":\"\"}", WrappersBean.class);
assertNull(bean.booleanValue);
bean = MAPPER.readValue("{\"byteValue\":\"\"}", WrappersBean.class);
assertNull(bean.byteValue);
// char/Character is different... not sure if this should work or not:
bean = MAPPER.readValue("{\"charValue\":\"\"}", WrappersBean.class);
assertNull(bean.charValue);
bean = MAPPER.readValue("{\"shortValue\":\"\"}", WrappersBean.class);
assertNull(bean.shortValue);
bean = MAPPER.readValue("{\"intValue\":\"\"}", WrappersBean.class);
assertNull(bean.intValue);
bean = MAPPER.readValue("{\"longValue\":\"\"}", WrappersBean.class);
assertNull(bean.longValue);
bean = MAPPER.readValue("{\"floatValue\":\"\"}", WrappersBean.class);
assertNull(bean.floatValue);
bean = MAPPER.readValue("{\"doubleValue\":\"\"}", WrappersBean.class);
assertNull(bean.doubleValue);
}
/** Test for [JACKSON-419] */
public void testLocale() throws IOException {
assertEquals(new Locale("en"), MAPPER.readValue(quote("en"), Locale.class));
assertEquals(new Locale("es", "ES"), MAPPER.readValue(quote("es_ES"), Locale.class));
assertEquals(
new Locale("FI", "fi", "savo"), MAPPER.readValue(quote("fi_FI_savo"), Locale.class));
}
public void testMultiValueArrayException() throws IOException {
final ObjectMapper mapper = new ObjectMapper();
mapper.enable(DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS);
try {
mapper.readValue("[42,42]", Integer.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42,42]", Integer.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42.273,42.273]", Double.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42.2723,42.273]", Double.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42342342342342,42342342342342]", Long.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42342342342342342,42342342342342]", Long.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42,42]", Short.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42,42]", Short.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[327.2323,327.2323]", Float.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[82.81902,327.2323]", Float.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[22,23]", Byte.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[22,23]", Byte.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue(asArray(quote("c") + "," + quote("d")), Character.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue(asArray(quote("c") + "," + quote("d")), Character.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[true,false]", Boolean.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[true,false]", Boolean.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
}
public void testSingleElementArrayException() throws Exception {
final ObjectMapper mapper = new ObjectMapper();
mapper.disable(DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS);
try {
mapper.readValue("[42]", Integer.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42]", Integer.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42.273]", Double.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42.2723]", Double.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42342342342342]", Long.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42342342342342342]", Long.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42]", Short.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[42]", Short.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[327.2323]", Float.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[82.81902]", Float.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[22]", Byte.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[22]", Byte.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("['d']", Character.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("['d']", Character.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[true]", Boolean.class);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
try {
mapper.readValue("[true]", Boolean.TYPE);
fail(
"Single value array didn't throw an exception when DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS is disabled");
} catch (JsonMappingException exp) {
// Exception was thrown correctly
}
}
// [Issue#381]
public void testSingleElementArray() throws Exception {
final int intTest = 932832;
final double doubleTest = 32.3234;
final long longTest = 2374237428374293423L;
final short shortTest = (short) intTest;
final float floatTest = 84.3743f;
final byte byteTest = (byte) 43;
final char charTest = 'c';
final ObjectMapper mapper = new ObjectMapper();
mapper.enable(DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS);
final int intValue = mapper.readValue(asArray(intTest), Integer.TYPE);
assertEquals(intTest, intValue);
final Integer integerWrapperValue =
mapper.readValue(asArray(Integer.valueOf(intTest)), Integer.class);
assertEquals(Integer.valueOf(intTest), integerWrapperValue);
final double doubleValue = mapper.readValue(asArray(doubleTest), Double.class);
assertEquals(doubleTest, doubleValue);
final Double doubleWrapperValue =
mapper.readValue(asArray(Double.valueOf(doubleTest)), Double.class);
assertEquals(Double.valueOf(doubleTest), doubleWrapperValue);
final long longValue = mapper.readValue(asArray(longTest), Long.TYPE);
assertEquals(longTest, longValue);
final Long longWrapperValue = mapper.readValue(asArray(Long.valueOf(longTest)), Long.class);
assertEquals(Long.valueOf(longTest), longWrapperValue);
final short shortValue = mapper.readValue(asArray(shortTest), Short.TYPE);
assertEquals(shortTest, shortValue);
final Short shortWrapperValue =
mapper.readValue(asArray(Short.valueOf(shortTest)), Short.class);
assertEquals(Short.valueOf(shortTest), shortWrapperValue);
final float floatValue = mapper.readValue(asArray(floatTest), Float.TYPE);
assertEquals(floatTest, floatValue);
final Float floatWrapperValue =
mapper.readValue(asArray(Float.valueOf(floatTest)), Float.class);
assertEquals(Float.valueOf(floatTest), floatWrapperValue);
final byte byteValue = mapper.readValue(asArray(byteTest), Byte.TYPE);
assertEquals(byteTest, byteValue);
final Byte byteWrapperValue = mapper.readValue(asArray(Byte.valueOf(byteTest)), Byte.class);
assertEquals(Byte.valueOf(byteTest), byteWrapperValue);
final char charValue =
mapper.readValue(asArray(quote(String.valueOf(charTest))), Character.TYPE);
assertEquals(charTest, charValue);
final Character charWrapperValue =
mapper.readValue(asArray(quote(String.valueOf(charTest))), Character.class);
assertEquals(Character.valueOf(charTest), charWrapperValue);
final boolean booleanTrueValue = mapper.readValue(asArray(true), Boolean.TYPE);
assertTrue(booleanTrueValue);
final boolean booleanFalseValue = mapper.readValue(asArray(false), Boolean.TYPE);
assertFalse(booleanFalseValue);
final Boolean booleanWrapperTrueValue =
mapper.readValue(asArray(Boolean.valueOf(true)), Boolean.class);
assertEquals(Boolean.TRUE, booleanWrapperTrueValue);
}
// [JACKSON-789]
public void testCharset() throws Exception {
Charset UTF8 = Charset.forName("UTF-8");
assertSame(UTF8, MAPPER.readValue(quote("UTF-8"), Charset.class));
}
/** Test for [JACKSON-420] (add DeserializationConfig.FAIL_ON_NULL_FOR_PRIMITIVES) */
public void testNullForPrimitives() throws IOException {
// by default, ok to rely on defaults
PrimitivesBean bean =
MAPPER.readValue(
"{\"intValue\":null, \"booleanValue\":null, \"doubleValue\":null}",
PrimitivesBean.class);
assertNotNull(bean);
assertEquals(0, bean.intValue);
assertEquals(false, bean.booleanValue);
assertEquals(0.0, bean.doubleValue);
bean =
MAPPER.readValue(
"{\"byteValue\":null, \"longValue\":null, \"floatValue\":null}", PrimitivesBean.class);
assertNotNull(bean);
assertEquals((byte) 0, bean.byteValue);
assertEquals(0L, bean.longValue);
assertEquals(0.0f, bean.floatValue);
// but not when enabled
final ObjectMapper mapper2 = new ObjectMapper();
mapper2.configure(DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES, true);
// boolean
try {
mapper2.readValue("{\"booleanValue\":null}", PrimitivesBean.class);
fail("Expected failure for boolean + null");
} catch (JsonMappingException e) {
verifyException(e, "Can not map JSON null into type boolean");
}
// byte/char/short/int/long
try {
mapper2.readValue("{\"byteValue\":null}", PrimitivesBean.class);
fail("Expected failure for byte + null");
} catch (JsonMappingException e) {
verifyException(e, "Can not map JSON null into type byte");
}
try {
mapper2.readValue("{\"charValue\":null}", PrimitivesBean.class);
fail("Expected failure for char + null");
} catch (JsonMappingException e) {
verifyException(e, "Can not map JSON null into type char");
}
try {
mapper2.readValue("{\"shortValue\":null}", PrimitivesBean.class);
fail("Expected failure for short + null");
} catch (JsonMappingException e) {
verifyException(e, "Can not map JSON null into type short");
}
try {
mapper2.readValue("{\"intValue\":null}", PrimitivesBean.class);
fail("Expected failure for int + null");
} catch (JsonMappingException e) {
verifyException(e, "Can not map JSON null into type int");
}
try {
mapper2.readValue("{\"longValue\":null}", PrimitivesBean.class);
fail("Expected failure for long + null");
} catch (JsonMappingException e) {
verifyException(e, "Can not map JSON null into type long");
}
// float/double
try {
mapper2.readValue("{\"floatValue\":null}", PrimitivesBean.class);
fail("Expected failure for float + null");
} catch (JsonMappingException e) {
verifyException(e, "Can not map JSON null into type float");
}
try {
mapper2.readValue("{\"doubleValue\":null}", PrimitivesBean.class);
fail("Expected failure for double + null");
} catch (JsonMappingException e) {
verifyException(e, "Can not map JSON null into type double");
}
}
/** Test for [JACKSON-483], allow handling of CharSequence */
public void testCharSequence() throws IOException {
CharSequence cs = MAPPER.readValue("\"abc\"", CharSequence.class);
assertEquals(String.class, cs.getClass());
assertEquals("abc", cs.toString());
}
// [JACKSON-597]
public void testClass() throws IOException {
ObjectMapper mapper = new ObjectMapper();
assertSame(String.class, mapper.readValue(quote("java.lang.String"), Class.class));
// then primitive types
assertSame(Boolean.TYPE, mapper.readValue(quote("boolean"), Class.class));
assertSame(Byte.TYPE, mapper.readValue(quote("byte"), Class.class));
assertSame(Short.TYPE, mapper.readValue(quote("short"), Class.class));
assertSame(Character.TYPE, mapper.readValue(quote("char"), Class.class));
assertSame(Integer.TYPE, mapper.readValue(quote("int"), Class.class));
assertSame(Long.TYPE, mapper.readValue(quote("long"), Class.class));
assertSame(Float.TYPE, mapper.readValue(quote("float"), Class.class));
assertSame(Double.TYPE, mapper.readValue(quote("double"), Class.class));
assertSame(Void.TYPE, mapper.readValue(quote("void"), Class.class));
}