java.lang.Class.isSynthetic()方法的使用及代码示例
本文整理了Java中java.lang.Class.isSynthetic()方法的一些代码示例，展示了Class.isSynthetic()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Class.isSynthetic()方法的具体详情如下：
包路径：java.lang.Class
类名称：Class
方法名：isSynthetic
Class.isSynthetic介绍
[英]Tests whether this Class represents a synthetic type.
[中]测试此类是否表示合成类型。
代码示例
代码示例来源：origin: spring-projects/spring-loaded
public static boolean callIsSynthetic(Class thiz)
{
return thiz.isSynthetic();
}代码示例来源：origin: oracle/helidon
/**
* Returns the real class of this object, skipping proxies.
*
* @param object The object.
* @return Its class.
*/
static Class<?> getRealClass(Object object) {
Class<?> result = object.getClass();
while (result.isSynthetic()) {
result = result.getSuperclass();
}
return result;
}代码示例来源：origin: oracle/helidon
/**
* Returns the real class of this object, skipping proxies.
*
* @param object The object.
* @return Its class.
*/
static Class<?> getRealClass(Object object) {
Class<?> result = object.getClass();
while (result.isSynthetic()) {
result = result.getSuperclass();
}
return result;
}代码示例来源：origin: com.thoughtworks.xstream/xstream
public static final boolean isLambdaType(final Class<?> type) {
return type != null && type.isSynthetic() && lambdaPattern.matcher(type.getSimpleName()).matches();
}代码示例来源：origin: org.codehaus.groovy/groovy
private static boolean classShouldBeIgnored(Class c, Collection<String> extraIgnoredPackages) {
return ((c != null)
&& (c.isSynthetic()
|| (c.getPackage() != null
&& (IGNORED_PACKAGES.contains(c.getPackage().getName())
|| extraIgnoredPackages.contains(c.getPackage().getName())))));
}代码示例来源：origin: jersey/jersey
private int computeRank(final T provider, final int rank) {
if (rank > 0) {
return rank;
} else {
Class<?> clazz = provider.getClass();
// when provided instance is a proxy (from weld), we need to get the right class to check for
// @Priority annotation - proxy doesn't propagate isAnnotationPresent to the parent class.
while (clazz.isSynthetic()) {
clazz = clazz.getSuperclass();
}
if (clazz.isAnnotationPresent(Priority.class)) {
return clazz.getAnnotation(Priority.class).value();
} else {
return Priorities.USER;
}
}
}代码示例来源：origin: jersey/jersey
private int computeRank(final T provider, final int rank) {
if (rank > 0) {
return rank;
} else {
Class<?> clazz = provider.getClass();
// when provided instance is a proxy (from weld), we need to get the right class to check for
// @Priority annotation - proxy doesn't propagate isAnnotationPresent to the parent class.
while (clazz.isSynthetic()) {
clazz = clazz.getSuperclass();
}
if (clazz.isAnnotationPresent(Priority.class)) {
return clazz.getAnnotation(Priority.class).value();
} else {
return Priorities.USER;
}
}
}代码示例来源：origin: jersey/jersey
private static boolean isJerseyOrDependencyType(final Class<?> clazz) {
if (clazz.isPrimitive() || clazz.isSynthetic()) {
return false;
}
final Package pkg = clazz.getPackage();
if (pkg == null) { // Class.getPackage() could return null
LOGGER.warning(String.format("Class %s has null package", clazz));
return false;
}
final String pkgName = pkg.getName();
return !clazz.isAnnotationPresent(JerseyVetoed.class)
&& (pkgName.contains("org.glassfish.hk2")
|| pkgName.contains("jersey.repackaged")
|| pkgName.contains("org.jvnet.hk2")
|| (pkgName.startsWith("org.glassfish.jersey")
&& !pkgName.startsWith("org.glassfish.jersey.examples")
&& !pkgName.startsWith("org.glassfish.jersey.tests"))
|| (pkgName.startsWith("com.sun.jersey")
&& !pkgName.startsWith("com.sun.jersey.examples")
&& !pkgName.startsWith("com.sun.jersey.tests")));
}代码示例来源：origin: oldmanpushcart/greys-anatomy
/**
* 计算ClassType
*
* @param targetClass 目标类
* @return 计算出的ClassType
*/
public static int computeClassType(Class<?> targetClass) {
int type = 0;
if (targetClass.isAnnotation())
type |= TYPE_ANNOTATION;
if (targetClass.isAnonymousClass())
type |= TYPE_ANONYMOUS;
if (targetClass.isArray())
type |= TYPE_ARRAY;
if (targetClass.isEnum())
type |= TYPE_ENUM;
if (targetClass.isInterface())
type |= TYPE_INTERFACE;
if (targetClass.isLocalClass())
type |= TYPE_LOCAL;
if (targetClass.isMemberClass())
type |= TYPE_MEMBER;
if (targetClass.isPrimitive())
type |= TYPE_PRIMITIVE;
if (targetClass.isSynthetic())
type |= TYPE_SYNTHETIC;
return type;
}代码示例来源：origin: HotswapProjects/HotswapAgent
public static Map<String, String> getNonSyntheticSignatureMap(Class<?> clazz) {
Map<String, String> signatureMap = new HashMap<>();
Class<?> parentClass = clazz.getSuperclass();
while (parentClass.isSynthetic()) {
parentClass = parentClass.getSuperclass();
}
addSignaturesToMap(parentClass, signatureMap);
for (Class<?> intr : clazz.getInterfaces()) {
addSignaturesToMap(intr, signatureMap);
}
return signatureMap;
}代码示例来源：origin: looly/hutool
/**
* 是否为标准的类<br>
* 这个类必须：
*
* <pre>
* 1、非接口
* 2、非抽象类
* 3、非Enum枚举
* 4、非数组
* 5、非注解
* 6、非原始类型（int, long等）
* </pre>
*
* @param clazz 类
* @return 是否为标准类
*/
public static boolean isNormalClass(Class<?> clazz) {
return null != clazz //
&& false == clazz.isInterface() //
&& false == isAbstract(clazz) //
&& false == clazz.isEnum() //
&& false == clazz.isArray() //
&& false == clazz.isAnnotation() //
&& false == clazz.isSynthetic() //
&& false == clazz.isPrimitive();//
}代码示例来源：origin: looly/hutool
/**
* 是否为标准的类<br>
* 这个类必须：
*
* <pre>
* 1、非接口
* 2、非抽象类
* 3、非Enum枚举
* 4、非数组
* 5、非注解
* 6、非原始类型（int, long等）
* </pre>
*
* @param clazz 类
* @return 是否为标准类
*/
public static boolean isNormalClass(Class<?> clazz) {
return null != clazz //
&& false == clazz.isInterface() //
&& false == isAbstract(clazz) //
&& false == clazz.isEnum() //
&& false == clazz.isArray() //
&& false == clazz.isAnnotation() //
&& false == clazz.isSynthetic() //
&& false == clazz.isPrimitive();//
}代码示例来源：origin: qiujiayu/AutoLoadCache
@Override
public Object deepClone(Object obj, Type type) throws Exception {
if (null == obj) {
return null;
}
Class<?> clazz = obj.getClass();
if (BeanUtil.isPrimitive(obj) || clazz.isEnum() || obj instanceof Class || clazz.isAnnotation() || clazz.isSynthetic()) {// 常见不会被修改的数据类型
return obj;
}
if (obj instanceof Date) {
return ((Date) obj).clone();
} else if (obj instanceof Calendar) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(((Calendar) obj).getTime().getTime());
return cal;
}
return deserialize(serialize(obj), null);
}代码示例来源：origin: qiujiayu/AutoLoadCache
@Override
public Object deepClone(Object obj, final Type type) throws Exception {
if (null == obj) {
return obj;
}
Class<?> clazz = obj.getClass();
if (BeanUtil.isPrimitive(obj) || clazz.isEnum() || obj instanceof Class || clazz.isAnnotation()
|| clazz.isSynthetic()) {// 常见不会被修改的数据类型
return obj;
}
if (obj instanceof Date) {
return ((Date) obj).clone();
} else if (obj instanceof Calendar) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(((Calendar) obj).getTime().getTime());
return cal;
}
return deserialize(serialize(obj), null);
}代码示例来源：origin: baomidou/mybatis-plus
/**
* 通过反序列化转换 lambda 表达式，该方法只能序列化 lambda 表达式，不能序列化接口实现或者正常非 lambda 写法的对象
*
* @param lambda lambda对象
* @return 返回解析后的 SerializedLambda
*/
public static SerializedLambda resolve(SFunction lambda) {
if (!lambda.getClass().isSynthetic()) {
throw ExceptionUtils.mpe("该方法仅能传入 lambda 表达式产生的合成类");
}
try (ObjectInputStream objIn = new ObjectInputStream(new ByteArrayInputStream(SerializationUtils.serialize(lambda))) {
@Override
protected Class<?> resolveClass(ObjectStreamClass objectStreamClass) throws IOException, ClassNotFoundException {
Class<?> clazz = super.resolveClass(objectStreamClass);
return clazz == java.lang.invoke.SerializedLambda.class ? SerializedLambda.class : clazz;
}
}) {
return (SerializedLambda) objIn.readObject();
} catch (ClassNotFoundException | IOException e) {
throw ExceptionUtils.mpe("This is impossible to happen", e);
}
}代码示例来源：origin: HotswapProjects/HotswapAgent
/**
* Checks if the CtClass or one of its parents signature differs from the one already loaded by Java. Ignores
* synthetic classes
*
* @param classBeingRedefined
* @param cp
* @return
*/
public static boolean isNonSyntheticPoolClassOrParentDifferent(Class<?> classBeingRedefined, ClassPool cp) {
Class<?> clazz = classBeingRedefined.getSuperclass();
while (clazz.isSynthetic() || clazz.getName().contains("$Enhancer")) {
clazz = clazz.getSuperclass();
}
if (isPoolClassOrParentDifferent(clazz, cp))
return true;
Class<?>[] interfaces = classBeingRedefined.getInterfaces();
for (Class<?> intr : interfaces) {
if (isPoolClassOrParentDifferent(intr, cp))
return true;
}
return false;
}代码示例来源：origin: qiujiayu/AutoLoadCache
@Override
public Object deepClone(Object obj, final Type type) throws Exception {
if (null == obj) {
return null;
}
Class<?> clazz = obj.getClass();
if (BeanUtil.isPrimitive(obj) || clazz.isEnum() || obj instanceof Class || clazz.isAnnotation()
|| clazz.isSynthetic()) {// 常见不会被修改的数据类型
return obj;
}
if (obj instanceof Date) {
return ((Date) obj).clone();
} else if (obj instanceof Calendar) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(((Calendar) obj).getTime().getTime());
return cal;
}
return deserialize(serialize(obj), null);
}代码示例来源：origin: HotswapProjects/HotswapAgent
public boolean isReloadNeeded(Class<?> classBeingRedefined, byte[] classfileBuffer) {
if (classBeingRedefined.isSynthetic() || isSyntheticClass(classBeingRedefined))
return false;
return classChangeNeedsReload(classBeingRedefined, classfileBuffer);
}代码示例来源：origin: qiujiayu/AutoLoadCache
@Override
public Object deepClone(Object obj, final Type type) throws Exception {
if (null == obj) {
return null;
}
Class<?> clazz = obj.getClass();
if (BeanUtil.isPrimitive(obj) || clazz.isEnum() || obj instanceof Class || clazz.isAnnotation()
|| clazz.isSynthetic()) {// 常见不会被修改的数据类型
return obj;
}
if (obj instanceof Date) {
return ((Date) obj).clone();
} else if (obj instanceof Calendar) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(((Calendar) obj).getTime().getTime());
return cal;
}
if (clazz.isArray()) {
Object[] arr = (Object[]) obj;
Object[] res = ((Object) clazz == (Object) Object[].class) ? (Object[]) new Object[arr.length]
: (Object[]) Array.newInstance(clazz.getComponentType(), arr.length);
for (int i = 0; i < arr.length; i++) {
res[i] = deepClone(arr[i], null);
}
return res;
}
return cloner.deepClone(obj);
}代码示例来源：origin: oldmanpushcart/greys-anatomy
private String drawClassInfo() {
final CodeSource cs = clazz.getProtectionDomain().getCodeSource();
final TTable tTable = new TTable(new TTable.ColumnDefine[]{
new TTable.ColumnDefine(50, TTable.Align.RIGHT),
new TTable.ColumnDefine(80, TTable.Align.LEFT)
})
.addRow("class-info", tranClassName(clazz))
.addRow("code-source", getCodeSource(cs))
.addRow("name", tranClassName(clazz))
.addRow("isInterface", clazz.isInterface())
.addRow("isAnnotation", clazz.isAnnotation())
.addRow("isEnum", clazz.isEnum())
.addRow("isAnonymousClass", clazz.isAnonymousClass())
.addRow("isArray", clazz.isArray())
.addRow("isLocalClass", clazz.isLocalClass())
.addRow("isMemberClass", clazz.isMemberClass())
.addRow("isPrimitive", clazz.isPrimitive())
.addRow("isSynthetic", clazz.isSynthetic())
.addRow("simple-name", clazz.getSimpleName())
.addRow("modifier", tranModifier(clazz.getModifiers()))
.addRow("annotation", drawAnnotation())
.addRow("interfaces", drawInterface())
.addRow("super-class", drawSuperClass())
.addRow("class-loader", drawClassLoader());
if (isPrintField) {
tTable.addRow("fields", drawField());
}
return tTable.padding(1).rendering();
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