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

Example 56 with Method

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

the class BeanXMLReader method readRecursion.

@SuppressWarnings("unchecked")
private <T> T readRecursion(Element bean) throws Exception {
    Class<T> clazz = (Class<T>) this.classes.get(bean.getName());
    T o = clazz.newInstance();
    ReflectUtil ru = new ReflectUtil(o);
    Field[] fields = ru.getFields();
    for (Field f : fields) {
        String n = f.getName();
        Method m = ru.getSetter(n);
        if (m == null)
            continue;
        Skip skip = f.getAnnotation(Skip.class);
        if (skip != null)
            continue;
        AttrTag attrTag = f.getAnnotation(AttrTag.class);
        Writeonly writeonly = f.getAnnotation(Writeonly.class);
        if (writeonly != null)
            continue;
        if (attrTag != null) {
            if ("clazz".equals(n))
                n = "class";
            Attribute a = bean.attribute(n);
            if (a != null)
                m.invoke(o, a.getData());
        } else if (ClassUtil.isPojo(f.getType())) {
            Element el = bean.element(n);
            if (el == null)
                continue;
            String cls = this.classes.get(el.getName()).getName();
            Object object = Thread.currentThread().getContextClassLoader().loadClass(cls).newInstance();
            // 递归
            object = readRecursion(el);
            m.invoke(o, object);
        } else if (ClassUtil.isListClass(f)) {
            List<?> eList = bean.elements(n);
            if (eList == null)
                continue;
            List<Object> list = new ArrayList<Object>();
            for (Iterator<?> it = eList.iterator(); it.hasNext(); ) {
                Element e = (Element) it.next();
                // 递归
                list.add(readRecursion(e));
            }
            m.invoke(o, list);
        } else if (ClassUtil.isListString(f)) {
            List<?> eList = bean.elements(n);
            if (eList == null)
                continue;
            List<String> list = new ArrayList<String>();
            for (Iterator<?> it = eList.iterator(); it.hasNext(); ) {
                Element e = (Element) it.next();
                list.add(e.getText());
            }
            m.invoke(o, list);
        } else {
            if ("clazz".equals(n))
                n = "class";
            Element a = bean.element(n);
            if (a == null)
                continue;
            m.invoke(o, String.valueOf(a.getData()));
        }
    }
    return o;
}

Example 57 with Method

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

the class JsonConverter method convertFromKeyValue.

/**
	 * 将键值对key-value转换为json（给定是否为其他对象属性）
	 * 
	 * @param <T>
	 * @param key
	 * @param value
	 * @return
	 */
private static <T> String convertFromKeyValue(String key, T value, boolean isProperty) {
    String json = null;
    if (value != null) {
        Class<?> cls = value.getClass();
        String format = String.class.isAssignableFrom(cls) ? "\"%s\":\"%s\"" : "\"%s\":%s";
        if (String.class.isAssignableFrom(cls) || Integer.class.isAssignableFrom(cls) || Long.class.isAssignableFrom(cls) || Float.class.isAssignableFrom(cls) || Double.class.isAssignableFrom(cls) || Boolean.class.isAssignableFrom(cls) || int.class.isAssignableFrom(cls) || long.class.isAssignableFrom(cls) || float.class.isAssignableFrom(cls) || double.class.isAssignableFrom(cls) || boolean.class.isAssignableFrom(cls)) {
            // 基本数据类型，key-value
            if (key == null || "".equals(key.trim())) {
                format = String.class.isAssignableFrom(cls) ? "\"%s\"" : "%s";
                json = String.format(format, String.valueOf(value));
            } else {
                json = String.format(format, key, String.valueOf(value));
            }
        } else if (Object[].class.isAssignableFrom(cls)) {
            // 对象数组，使用下标来遍历对象
            json = JsonConverter.convertFromArray(key, (Object[]) value, isProperty);
        } else if (List.class.isAssignableFrom(cls)) {
            // 对象数组，使用下标来遍历对象
            json = JsonConverter.convertFromList(key, (List<?>) value, isProperty);
        } else if (Set.class.isAssignableFrom(cls)) {
            // 对象数组，使用下标来遍历对象
            json = JsonConverter.convertFromSet(key, (Set<?>) value, isProperty);
        } else if (Map.class.isAssignableFrom(cls)) {
            json = JsonConverter.convertFromMap(key, (Map<?, ?>) value, isProperty);
        } else {
            // 当不满足上面所有类型时，认为是自定义类型
            // 反射获取属性，将属性递归
            ReflectUtil ru = new ReflectUtil(value);
            StringBuilder sb = new StringBuilder("{");
            format = "\"%s\":%s";
            for (String name : ru.getFieldsName()) {
                Method m = ru.getMethod("get" + CommonUtil.toUpCaseFirst(name));
                if (m != null) {
                    try {
                        json = JsonConverter.convertFromKeyValue(name, m.invoke(value), true);
                        if (json != null) {
                            if (sb.length() > 1) {
                                sb.append(",");
                            }
                            sb.append(json);
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }
            sb.append("}");
            // 如果key没有给定具体的值，则认为是匿名对象（自定义类型）
            if (key == null || "".equals(key)) {
                format = "%s";
                json = String.format(format, sb.toString());
            } else {
                json = String.format(format, key, sb.toString());
            }
        }
    }
    return json;
}

Example 58 with Method

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

the class ClassUtil method injectFieldValue.

/**
	 * 
	 * @param <T>
	 * @param fieldName
	 * @param v
	 * @param vs
	 * @param pojo
	 * @return
	 * @throws Exception
	 */
public static <T> T injectFieldValue(T pojo, String fieldName, String[] vs) throws Exception {
    if (pojo == null)
        return null;
    if (vs == null)
        return pojo;
    ReflectUtil ru = new ReflectUtil(pojo);
    Field f = ru.getField(fieldName);
    if (f == null)
        return pojo;
    Method setter = ru.getSetter(fieldName);
    if (setter == null)
        return pojo;
    Class<?> clazz = f.getType();
    if (Object[].class.isAssignableFrom(clazz)) {
        Object obj = getParamVals(clazz, vs);
        if (obj != null)
            setter.invoke(pojo, new Object[] { obj });
    } else {
        Object obj = getParamVal(clazz, vs[0]);
        if (obj != null)
            setter.invoke(pojo, obj);
    }
    return pojo;
}

Example 59 with Method

use of java.lang.reflect.Method in project libgdx by libgdx.

the class SharedLibraryLoader method canExecute.

private boolean canExecute(File file) {
    try {
        Method canExecute = File.class.getMethod("canExecute");
        if ((Boolean) canExecute.invoke(file))
            return true;
        Method setExecutable = File.class.getMethod("setExecutable", boolean.class, boolean.class);
        setExecutable.invoke(file, true, false);
        return (Boolean) canExecute.invoke(file);
    } catch (Exception ignored) {
    }
    return false;
}

Example 60 with Method

use of java.lang.reflect.Method in project killbill by killbill.

the class MultiTenantConfigBase method convertToListString.

//
// The conversion methds are rather limited (but this is all we need).
// Ideally we could reuse the bully/Coercer from skife package, but those are kept private.
//
protected List<String> convertToListString(final String value, final String methodName) {
    final Method method = getConfigStaticMethodWithChecking(methodName);
    final Iterable<String> tokens = getTokens(method, value);
    return ImmutableList.copyOf(tokens);
}