Java DfReflectionUtil类代码示例

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected void throwListJsonParameterParseFailureException(Object bean, String name, String json, Type propertyType,
        RuntimeException e) {
    final StringBuilder sb = new StringBuilder();
    sb.append("Cannot parse list json of the request parameter.");
    final List<Map<String, Object>> retryList = retryJsonListAsMapForDebug(json);
    final List<JsonDebugChallenge> challengeList = new ArrayList<JsonDebugChallenge>();
    final StringBuilder challengeSb = new StringBuilder();
    if (!retryList.isEmpty()) {
        final Class<?> elementType = DfReflectionUtil.getGenericFirstClass(propertyType);
        if (elementType != null) { // just in case
            int index = 0;
            for (Map<String, Object> retryMap : retryList) {
                challengeSb.append(LF).append(" (index: ").append(index).append(")");
                final List<JsonDebugChallenge> nestedList = prepareJsonParameterDebugChallengeList(retryMap, elementType, json, index);
                challengeList.addAll(nestedList);
                nestedList.forEach(challenge -> challengeSb.append(challenge.toChallengeDisp()));
                ++index;
            }
        }
    }
    final String challengeDisp = challengeSb.toString();
    buildClientErrorHeader(sb, "List JsonParameter Parse Failure", bean, name, json, propertyType, challengeDisp);
    throwRequestJsonParseFailureException(sb.toString(), challengeList, e);
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected Map<Integer, Class<?>> prepareOptionalGenericTypeMap(Method executeMethod) {
    final Parameter[] parameters = executeMethod.getParameters();
    if (parameters.length == 0) {
        return Collections.emptyMap();
    }
    final Map<Integer, Class<?>> optionalGenericTypeMap = new LinkedHashMap<Integer, Class<?>>(4);
    int index = 0;
    for (Parameter parameter : parameters) {
        if (isOptionalParameterType(parameter.getType())) {
            final Type paramedType = parameter.getParameterizedType();
            final Class<?> genericType = DfReflectionUtil.getGenericFirstClass(paramedType);
            checkExecuteMethodOptionalParameter(executeMethod, paramedType, genericType);
            optionalGenericTypeMap.put(index, genericType);
        }
        ++index;
    }
    return Collections.unmodifiableMap(optionalGenericTypeMap);
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected void doCheckGenericBeanValidationMismatch(Field field) {
    // #hope cannot check now: public List<ROOM> roomList;
    final Class<?> genericType = getFieldGenericType(field); // only first generic #for_now
    if (genericType == null) {
        return;
    }
    if (mayBeNestedBeanType(genericType)) { // e.g. LandBean<PiariBean>
        pathDeque.push("@generic");
        doCheckNestedValidationMismatch(genericType);
        pathDeque.pop();
    } else if (Collection.class.isAssignableFrom(genericType)) {
        final Type fieldGenericType = field.getGenericType();
        if (fieldGenericType != null && fieldGenericType instanceof ParameterizedType) {
            final Type[] typeArguments = ((ParameterizedType) fieldGenericType).getActualTypeArguments();
            if (typeArguments != null && typeArguments.length > 0) {
                final Class<?> elementType = DfReflectionUtil.getGenericFirstClass(typeArguments[0]);
                if (elementType != null && mayBeNestedBeanType(elementType)) {
                    // e.g. public LandBean<List<PiariBean>> landBean;
                    pathDeque.push("@generic");
                    doCheckNestedValidationMismatch(elementType);
                    pathDeque.pop();
                }
            }
        }
    }
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected void checkJsonBeanValidator() {
    final Class<?> returnType = executeMethod.getReturnType();
    if (!JsonResponse.class.isAssignableFrom(returnType)) {
        return;
    }
    final Type genericReturnType = executeMethod.getGenericReturnType();
    if (genericReturnType == null || !(genericReturnType instanceof ParameterizedType)) { // just in case
        return;
    }
    final Class<?> jsonBeanType = DfReflectionUtil.getGenericFirstClass(genericReturnType);
    if (jsonBeanType == null) { // just in case
        return;
    }
    if (Collection.class.isAssignableFrom(jsonBeanType)) { // e.g. JsonResponse<List<SeaBean>>
        final Type[] resopnseArgTypes = DfReflectionUtil.getGenericParameterTypes(genericReturnType);
        if (resopnseArgTypes.length > 0) { // just in case
            final Class<?> elementBeanType = DfReflectionUtil.getGenericFirstClass(resopnseArgTypes[0]);
            if (elementBeanType != null && mayBeJsonBeanType(elementBeanType)) { // just in case
                doCheckJsonBeanValidator(elementBeanType, Collections.emptyMap()); // can check JsonResponse<List<SeaBean>>
            }
        }
    } else if (mayBeJsonBeanType(jsonBeanType)) { // e.g. JsonResponse<SeaBean>, JsonResponse<WholeBean<SeaBean>>
        doCheckJsonBeanValidator(jsonBeanType, prepareJsonBeanGenericMap(genericReturnType, jsonBeanType));
    }
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected Map<String, Class<?>> prepareJsonBeanGenericMap(Type genericReturnType, Class<?> jsonBeanType) {
    // can check: JsonResponse<LandBean<PiariBean>> landBean;
    final Type[] resopnseArgTypes = DfReflectionUtil.getGenericParameterTypes(genericReturnType);
    if (resopnseArgTypes.length > 0) { // just in case
        final Type firstGenericType = resopnseArgTypes[0];
        final Class<?> elementBeanType = DfReflectionUtil.getGenericFirstClass(firstGenericType);
        if (elementBeanType != null && mayBeJsonBeanType(elementBeanType)) { // just in case
            final Map<String, Class<?>> genericMap = new LinkedHashMap<String, Class<?>>(1); // only first generic #for_now
            final TypeVariable<?>[] typeParameters = jsonBeanType.getTypeParameters();
            if (typeParameters != null && typeParameters.length > 0) { // just in case
                genericMap.put(typeParameters[0].getName(), elementBeanType); // e.g. DATA = PiariBean.class
                return genericMap;
            }
        }
    }
    return Collections.emptyMap();
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected static Map<Integer, Class<?>> prepareOptionalGenericTypeMap(Method executeMethod) {
    final Parameter[] parameters = executeMethod.getParameters();
    if (parameters.length == 0) {
        return Collections.emptyMap();
    }
    final Map<Integer, Class<?>> optionalGenericTypeMap = new LinkedHashMap<Integer, Class<?>>(4);
    int index = 0;
    for (Parameter parameter : parameters) {
        if (isOptionalParameterType(parameter.getType())) {
            final Type paramedType = parameter.getParameterizedType();
            final Class<?> genericType = DfReflectionUtil.getGenericFirstClass(paramedType);
            optionalGenericTypeMap.put(index, genericType);
        }
        ++index;
    }
    return Collections.unmodifiableMap(optionalGenericTypeMap);
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected void setupTransactionViewListByReflection(ConnectionPool pool, List<String> txViewList) {
    final Field field = DfReflectionUtil.getWholeField(pool.getClass(), "txActivePool");
    @SuppressWarnings("unchecked")
    final Map<Transaction, ConnectionWrapper> txActivePool =
            (Map<Transaction, ConnectionWrapper>) DfReflectionUtil.getValueForcedly(field, pool);
    synchronized (pool) { // just in case
        for (Entry<Transaction, ConnectionWrapper> entry : txActivePool.entrySet()) {
            final Transaction tx = entry.getKey();
            final ConnectionWrapper wrapper = entry.getValue();
            final String romantic;
            if (tx instanceof RomanticTransaction) {
                romantic = ((RomanticTransaction) tx).toRomanticSnapshot(wrapper);
            } else {
                romantic = tx.toString();
            }
            txViewList.add(romantic);
        }
    }
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected static OptionalThing<Classification> nativeFindByCode(Class<?> cdefType, Object code) {
    assertArgumentNotNull("cdefType", cdefType);
    assertArgumentNotNull("code", code);
    final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(cdefType);
    final String methodName = "of";
    final Method method;
    try {
        method = beanDesc.getMethod(methodName, new Class<?>[] { Object.class });
    } catch (BeanMethodNotFoundException e) {
        String msg = "Failed to get the method " + methodName + "() of the classification type: " + cdefType;
        throw new ClassificationFindByCodeMethodNotFoundException(msg, e);
    }
    @SuppressWarnings("unchecked")
    final OptionalThing<Classification> opt =
            (OptionalThing<Classification>) DfReflectionUtil.invokeStatic(method, new Object[] { code });
    return opt;
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected static OptionalThing<ClassificationMeta> nativeFindMeta(Class<?> defmetaType, String classificationName) { // old method
    assertArgumentNotNull("defmetaType", defmetaType);
    assertArgumentNotNull("classificationName", classificationName);
    final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(defmetaType);
    final String methodName = "find";
    final Method method;
    try {
        method = beanDesc.getMethod(methodName, new Class<?>[] { String.class });
    } catch (BeanMethodNotFoundException e) {
        String msg = "Failed to get the method " + methodName + "() of the def-meta type: " + defmetaType;
        throw new ClassificationMetaFindMethodNotFoundException(msg, e);
    }
    @SuppressWarnings("unchecked")
    OptionalThing<ClassificationMeta> opt =
            (OptionalThing<ClassificationMeta>) DfReflectionUtil.invokeStatic(method, new Object[] { classificationName });
    return opt;
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
/**
 * Creates a new {@code T} instance by reflection and pass it to subsequent matcher.
 */
@SuppressWarnings("unchecked")
@Override
public boolean matches(Object item) {
    if (item == null) {
        return false;
    }
    T cb = (T) DfReflectionUtil.newInstance(clazz);
    CBCall<T> callback = (CBCall<T>) item;
    callback.callback(cb);
    // store cb for mismatch
    this.cb = cb;

    return matcher.matches(cb);
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
/**
 * Returns new {@code CB} instances that were applied lambda callback.
 *
 * @return new {@code CB} instances.
 * @see ArgumentCaptor#getAllValues()
 */
public List<CB> getAllCB() {
    List<CBCall> values = captor.getAllValues();
    List<CB> cbs = new ArrayList<CB>(values.size());
    for (CBCall callback : values) {
        CB cb = (CB) DfReflectionUtil.newInstance(clazz);
        callback.callback(cb);
        cbs.add(cb);
    }
    return cbs;
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private String resolveRelationName(SqlClause sqlClause, String table) {
    Method method = DfReflectionUtil.getAccessibleMethod(sqlClause.getClass(), "getSelectedRelationBasicMap", null);
    Map<String, String> baseMap = (Map<String, String>) DfReflectionUtil.invokeForcedly(method, sqlClause, null);
    for (Map.Entry<String, String> entry : baseMap.entrySet()) {
        if (entry.getValue().equals(table)) {
            return entry.getKey();
        }
    }
    return null;
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected Class<?> findListFormGenericType(Parameter parameter) {
    if (List.class.equals(parameter.getType())) { // just List
        final Type pt = parameter.getParameterizedType();
        final Class<?> genericType = DfReflectionUtil.getGenericFirstClass(pt); // almost not null, already checked
        return genericType != null && isBeanActionFormType(genericType) ? genericType : null; // e.g. List<SeaForm>
    }
    return null;
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected Object digUpDbmsNativeProcessIdOf(Connection physicalConn) {
    final Class<?> connType = physicalConn.getClass();
    if (getMySQLConnectionClassFQCN().equals(connType.getName())) {
        final Method method = DfReflectionUtil.getPublicMethod(connType, "getId", (Class<?>[]) null);
        return DfReflectionUtil.invoke(method, physicalConn, (Object[]) null);
    }
    return null;
}
 

import org.dbflute.util.DfReflectionUtil; //导入依赖的package包/类
protected void switchFactories(Gson newGson) {
    final Field factoriesField = DfReflectionUtil.getWholeField(newGson.getClass(), "factories");
    @SuppressWarnings("unchecked")
    final List<Object> factories = (List<Object>) DfReflectionUtil.getValueForcedly(factoriesField, newGson);
    final List<Object> filtered = new ArrayList<Object>();
    for (Object factory : factories) {
        if (factory instanceof ReflectiveTypeAdapterFactory) { // switched, only one time
            filtered.add(createReflectiveTypeAdapterFactory(newGson, factory));
        } else {
            filtered.add(factory);
        }
    }
    DfReflectionUtil.setValueForcedly(factoriesField, newGson, Collections.unmodifiableList(filtered));
}