Examples with Method java.lang.reflect.Method used on opensource projects

Example 66 with Method

use of java.lang.reflect.Method in project disconf by knightliao.

the class ClassUtils method filter2Map.

/**
     * 将方法中非static的public方法获取到
     *
     * @param ms
     *
     * @return
     */
public static Map<String, Method> filter2Map(Set<Method> ms) {
    Map<String, Method> map = new HashMap<String, Method>();
    for (Method m : ms) {
        boolean flag = Modifier.isPublic(m.getModifiers()) && !Modifier.isStatic(m.getModifiers());
        if (flag) {
            String name = m.getName().toLowerCase();
            if (name.startsWith("get") && m.getParameterTypes().length == 0) {
            } else if (name.startsWith("is") && m.getParameterTypes().length == 0) {
            } else if (name.startsWith("set") && m.getParameterTypes().length == 1) {
            } else {
                continue;
            }
            // 获取同名的方法
            Method old = map.get(name);
            // 如果之前没有同名方法,则添加本方法
            if (old == null) {
                map.put(name, m);
            // 如果有同名方法，且本方法在子类中声明，且，父类本方法包含了annotation，则替换原来的方法
            } else if (old.getDeclaringClass().isAssignableFrom(m.getDeclaringClass()) && m.getAnnotation(Column.class) != null) {
                map.put(name, m);
            }
        }
    }
    return map;
}

Example 67 with Method

use of java.lang.reflect.Method in project disconf by knightliao.

the class PrivateMethodUtil method invokeMethod.

/**
     * spring注入对象的私有方法调用
     * 
     * @param owner
     *            注入的对象
     * @param methodName
     *            私有方法名
     * @param parameterTypes
     *            私有方法参数类型
     * @param parameters
     *            私有方法参数
     * @return 私有方法返回值
     */
@SuppressWarnings({ "rawtypes" })
public static Object invokeMethod(final Object owner, final String methodName, final Class[] parameterTypes, final Object[] parameters) throws Exception {
    // get class
    final Class ownerclass = owner.getClass();
    // get property
    try {
        @SuppressWarnings("unchecked") final Method getTargetClass = ownerclass.getMethod("getTargetSource");
        final TargetSource target = (TargetSource) getTargetClass.invoke(owner, new Object[] {});
        final Class targetClass = target.getTargetClass();
        @SuppressWarnings("unchecked") final Method method = targetClass.getDeclaredMethod(methodName, parameterTypes);
        if (!method.isAccessible()) {
            method.setAccessible(true);
        }
        final Object targetInstance = target.getTarget();
        return method.invoke(targetInstance, parameters);
    } catch (NoSuchMethodException e) {
        return invokeMethod(owner, 0, methodName, parameterTypes, parameters);
    // e.printStackTrace();
    }
}

Example 68 with Method

use of java.lang.reflect.Method in project disconf by knightliao.

the class PrivateMethodUtil method invokeMethod.

/**
     * 普通对象私有方法调用
     * 
     * @param owner
     *            : target object
     * @param classLevel
     *            : 0 means itself, 1 means it's father, and so on...
     * @param methodName
     *            : name of the target method
     * @param parameterTypes
     *            : types of the target method's parameters
     * @param parameters
     *            : parameters of the target method
     * @return result of invoked method
     */
@SuppressWarnings("rawtypes")
public static Object invokeMethod(final Object owner, final int classLevel, final String methodName, final Class[] parameterTypes, final Object[] parameters) throws Exception {
    // get class
    final Class ownerclass = getOwnerclass(owner, classLevel);
    // get property
    @SuppressWarnings("unchecked") final Method method = ownerclass.getDeclaredMethod(methodName, parameterTypes);
    if (!method.isAccessible()) {
        method.setAccessible(true);
    }
    return method.invoke(owner, parameters);
}

Example 69 with Method

use of java.lang.reflect.Method in project Lazy by l123456789jy.

the class ClassUtils method searchProperty.

@SuppressWarnings("unchecked")
public static Object searchProperty(Object leftParameter, String name) throws Exception {
    Class<?> leftClass = leftParameter.getClass();
    Object result;
    if (leftParameter.getClass().isArray() && "length".equals(name)) {
        result = Array.getLength(leftParameter);
    } else if (leftParameter instanceof Map) {
        result = ((Map<Object, Object>) leftParameter).get(name);
    } else {
        try {
            String getter = "get" + name.substring(0, 1).toUpperCase() + name.substring(1);
            Method method = leftClass.getMethod(getter, new Class<?>[0]);
            if (!method.isAccessible()) {
                method.setAccessible(true);
            }
            result = method.invoke(leftParameter, new Object[0]);
        } catch (NoSuchMethodException e2) {
            try {
                String getter = "is" + name.substring(0, 1).toUpperCase() + name.substring(1);
                Method method = leftClass.getMethod(getter, new Class<?>[0]);
                if (!method.isAccessible()) {
                    method.setAccessible(true);
                }
                result = method.invoke(leftParameter, new Object[0]);
            } catch (NoSuchMethodException e3) {
                Field field = leftClass.getField(name);
                result = field.get(leftParameter);
            }
        }
    }
    return result;
}

Example 70 with Method

use of java.lang.reflect.Method in project eweb4j-framework by laiweiwei.

the class ParamUtil method injectFile.

public static void injectFile(Context context, ReflectUtil ru, String startName) throws Exception {
    Hashtable<String, Object> hasPojo = new Hashtable<String, Object>();
    paramForeach: for (Entry<String, List<UploadFile>> en : context.getUploadMap().entrySet()) {
        String paramName = en.getKey();
        List<UploadFile> paramValue = en.getValue();
        if (paramValue == null || paramValue.size() == 0)
            continue;
        Method setter = null;
        String[] pojoParamNames = paramName.split("\\.");
        if (pojoParamNames.length > 1) {
            Object lastPojo = ru.getObject();
            if (startName != null && startName.trim().length() > 0) {
                if (!pojoParamNames[0].equals(startName))
                    continue;
            }
            int lastIndex = pojoParamNames.length - 1;
            for (int i = 0; i < lastIndex; i++) {
                if (startName != null && startName.trim().length() > 0) {
                    if ((i + 1) == lastIndex)
                        break;
                    lastPojo = getLastPojo(lastPojo, pojoParamNames[i + 1], hasPojo);
                } else {
                    lastPojo = getLastPojo(lastPojo, pojoParamNames[i], hasPojo);
                }
                if (lastPojo == null)
                    continue paramForeach;
            }
            String _paramName = pojoParamNames[lastIndex];
            if (Map.class.isAssignableFrom(lastPojo.getClass())) {
                Map<String, Object> map = (HashMap<String, Object>) lastPojo;
                if (paramValue.size() <= 1)
                    map.put(_paramName, paramValue.get(0));
                else
                    map.put(_paramName, paramValue);
                lastPojo = map;
            }
            ReflectUtil lpRu = new ReflectUtil(lastPojo);
            setter = lpRu.getSetter(_paramName);
            if (setter == null)
                continue;
            Class<?> clazz = setter.getParameterTypes()[0];
            if (File.class.isAssignableFrom(clazz)) {
                setter.invoke(lastPojo, paramValue.get(0).getTmpFile());
            } else if (File[].class.isAssignableFrom(clazz)) {
                File[] files = new File[paramValue.size()];
                for (int j = 0; j < files.length; j++) files[j] = paramValue.get(j).getTmpFile();
                setter.invoke(lastPojo, new Object[] { files });
            }
            if (UploadFile.class.isAssignableFrom(clazz)) {
                setter.invoke(lastPojo, paramValue.get(0));
            } else if (UploadFile[].class.isAssignableFrom(clazz)) {
                UploadFile[] files = new UploadFile[paramValue.size()];
                for (int j = 0; j < files.length; j++) files[j] = paramValue.get(j);
                setter.invoke(lastPojo, new Object[] { files });
            }
        } else {
            setter = ru.getSetter(paramName);
            if (setter == null)
                continue;
            Class<?> clazz = setter.getParameterTypes()[0];
            if (File.class.isAssignableFrom(clazz)) {
                setter.invoke(ru.getObject(), paramValue.get(0).getTmpFile());
            } else if (File[].class.isAssignableFrom(clazz)) {
                File[] files = new File[paramValue.size()];
                for (int j = 0; j < files.length; j++) files[j] = paramValue.get(j).getTmpFile();
                setter.invoke(ru.getObject(), new Object[] { files });
            }
            if (UploadFile.class.isAssignableFrom(clazz)) {
                setter.invoke(ru.getObject(), paramValue.get(0));
            } else if (UploadFile[].class.isAssignableFrom(clazz)) {
                UploadFile[] files = new UploadFile[paramValue.size()];
                for (int j = 0; j < files.length; j++) files[j] = paramValue.get(j);
                setter.invoke(ru.getObject(), new Object[] { files });
            }
        }
    }
}