Example usage for java.lang.reflect Modifier isPublic

List of usage examples for java.lang.reflect Modifier isPublic

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Introduction

In this page you can find the example usage for java.lang.reflect Modifier isPublic.

Prototype

public static boolean isPublic(int mod)

Source Link

Document

Return true if the integer argument includes the public modifier, false otherwise.

Usage

From source file:Main.java

public static Method getGetter(Object bean, String property) {
    Map<String, Method> cache = GETTER_CACHE.get(bean.getClass());
    if (cache == null) {
        cache = new ConcurrentHashMap<String, Method>();
        for (Method method : bean.getClass().getMethods()) {
            if (Modifier.isPublic(method.getModifiers()) && !Modifier.isStatic(method.getModifiers())
                    && !void.class.equals(method.getReturnType()) && method.getParameterTypes().length == 0) {
                String name = method.getName();
                if (name.length() > 3 && name.startsWith("get")) {
                    cache.put(name.substring(3, 4).toLowerCase() + name.substring(4), method);
                } else if (name.length() > 2 && name.startsWith("is")) {
                    cache.put(name.substring(2, 3).toLowerCase() + name.substring(3), method);
                }/*from w  ww  .  j a  v  a2s. co m*/
            }
        }
        Map<String, Method> old = GETTER_CACHE.putIfAbsent(bean.getClass(), cache);
        if (old != null) {
            cache = old;
        }
    }
    return cache.get(property);
}

From source file:com.hihframework.core.utils.BeanUtils.java

/**
 * ?????/*  w  ww  .  ja v a 2  s  .c o  m*/
 * @param bean
 * @param name
 * @return
 * @author 
 * @since 
 */
public static String getProperty(Object bean, String name) {
    try {
        Method m = bean.getClass().getMethod("get" + StringHelpers.upperFirst(name));
        if (m != null && Modifier.isPublic(m.getModifiers())) {
            Object val = m.invoke(bean);
            return val == null ? null : val.toString();
        }
    } catch (Exception e) {
    }
    try {
        Method[] methods = bean.getClass().getDeclaredMethods();
        for (Method method : methods) {
            String n = method.getName();
            if (!n.startsWith("get"))
                continue;
            n = n.substring(3);
            if (!name.equalsIgnoreCase(n))
                continue;
            if (!Modifier.isPublic(method.getModifiers()))
                continue;
            Object val = method.invoke(bean);
            return val == null ? null : val.toString();
        }
    } catch (Exception e) {
    }
    return null;
}

From source file:Main.java

/**
 * set method is accessible// w  w w  . ja  va 2s.c  om
 * 
 * @param method {@link java.lang.reflect.Method}
 */
public static void makeAccessible(final Method method) {
    if (!Modifier.isPublic(method.getModifiers())
            || !Modifier.isPublic(method.getDeclaringClass().getModifiers())) {
        method.setAccessible(true);
    }
}

From source file:com.curl.orb.security.RemoteServiceAnnotationChecker.java

/**
 * Check the PublicService annotation. Throw AccessException if false.
 * //from   w w w  . j av  a 2  s .c om
 * @param cls the class
 * @throws AccessException
 */
public static void check(Class<?> cls, Environment environment) throws AccessException {
    // ignore security
    if (environment == null)
        return;

    RemoteService remoteServiceAnnotation = (RemoteService) cls.getAnnotation(RemoteService.class);
    if (!Modifier.isPublic(cls.getModifiers()) || remoteServiceAnnotation == null
            || !environment.contain(remoteServiceAnnotation.value())) {
        Log log = LogFactory.getLog(RemoteServiceAnnotationChecker.class);
        log.debug("Cannot allow to access the class [" + cls.getName() + "]");
        throw new AccessException("Cannot allow to access the class [" + cls.getName() + "]");
    }
    // TODO: Cache the class(cls). Which is faster, cache or annotation?
}

From source file:Main.java

/**
 * find the setter method and set the value.
 *//*from  w ww .j a v a  2 s.  c  o m*/
public static void setProperties(Object bean, Map<String, Object> properties) {
    for (Method method : bean.getClass().getMethods()) {
        String name = method.getName();
        if (name.length() > 3 && name.startsWith("set") && Modifier.isPublic(method.getModifiers())
                && method.getParameterTypes().length == 1 && method.getDeclaringClass() != Object.class) {
            String key = name.substring(3, 4).toLowerCase() + name.substring(4);
            try {
                Object value = properties.get(key);
                if (value != null) {
                    method.invoke(bean,
                            new Object[] { convertCompatibleType(value, method.getParameterTypes()[0]) });
                }
            } catch (Exception e) {
            }
        }
    }
}

From source file:ReflectionUtils.java

/**
 * Determine whether the given field is a "public static final" constant.
 * @param field the field to check/*www  .j  a v  a  2  s.c o  m*/
 */
public static boolean isPublicStaticFinal(Field field) {
    int modifiers = field.getModifiers();
    return (Modifier.isPublic(modifiers) && Modifier.isStatic(modifiers) && Modifier.isFinal(modifiers));
}

From source file:Main.java

/**
 * search the method and return the defined method.
 * it will {@link Class#getMethod(String, Class[])}, if exception occurs,
 * it will search for all methods, and find the most fit method.
 *///w ww. j  ava 2  s  .co m
public static Method searchMethod(Class<?> currentClass, String name, Class<?>[] parameterTypes, boolean boxed)
        throws NoSuchMethodException {
    if (currentClass == null) {
        throw new NoSuchMethodException("class == null");
    }
    try {
        return currentClass.getMethod(name, parameterTypes);
    } catch (NoSuchMethodException e) {
        Method likeMethod = null;
        for (Method method : currentClass.getMethods()) {
            if (method.getName().equals(name) && parameterTypes.length == method.getParameterTypes().length
                    && Modifier.isPublic(method.getModifiers())) {
                if (parameterTypes.length > 0) {
                    Class<?>[] types = method.getParameterTypes();
                    boolean eq = true;
                    boolean like = true;
                    for (int i = 0; i < parameterTypes.length; i++) {
                        Class<?> type = types[i];
                        Class<?> parameterType = parameterTypes[i];
                        if (type != null && parameterType != null && !type.equals(parameterType)) {
                            eq = false;
                            if (boxed) {
                                type = getBoxedClass(type);
                                parameterType = getBoxedClass(parameterType);
                            }
                            if (!type.isAssignableFrom(parameterType)) {
                                eq = false;
                                like = false;
                                break;
                            }
                        }
                    }
                    if (!eq) {
                        if (like && (likeMethod == null || likeMethod.getParameterTypes()[0]
                                .isAssignableFrom(method.getParameterTypes()[0]))) {
                            likeMethod = method;
                        }
                        continue;
                    }
                }
                return method;
            }
        }
        if (likeMethod != null) {
            return likeMethod;
        }
        throw e;
    }
}

From source file:Main.java

/**
 * get the method start with 'get' or 'is'.
 *///from  w  w w.  jav a  2  s  .  c om
public static Method getGetter(Object bean, String property) {
    Map<String, Method> cache = GETTER_CACHE.get(bean.getClass());
    if (cache == null) {
        cache = new ConcurrentHashMap<>();
        for (Method method : bean.getClass().getMethods()) {
            if (Modifier.isPublic(method.getModifiers()) && !Modifier.isStatic(method.getModifiers())
                    && !void.class.equals(method.getReturnType()) && method.getParameterTypes().length == 0) {
                String name = method.getName();
                if (name.length() > 3 && name.startsWith("get")) {
                    cache.put(name.substring(3, 4).toLowerCase() + name.substring(4), method);
                } else if (name.length() > 2 && name.startsWith("is")) {
                    cache.put(name.substring(2, 3).toLowerCase() + name.substring(3), method);
                }
            }
        }
        Map<String, Method> old = GETTER_CACHE.putIfAbsent(bean.getClass(), cache);
        if (old != null) {
            cache = old;
        }
    }
    return cache.get(property);
}

From source file:api.Status.java

public static Result getStatus() {
    ObjectNode metrics = Json.newObject();

    OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
    TreeMap<String, Object> values = new TreeMap<String, Object>();
    for (Method method : os.getClass().getDeclaredMethods()) {
        method.setAccessible(true);// ww w.  ja  va 2  s .c o  m
        if (method.getName().startsWith("get") && Modifier.isPublic(method.getModifiers())) {
            Object value;
            try {
                value = method.invoke(os);
                values.put(method.getName(), value);
            } catch (Exception e) {
                Logger.warn("Error when invoking " + os.getClass().getName()
                        + " (OperatingSystemMXBean) method " + method.getName() + ": " + e);
            } // try
        } // if
    } // for

    metrics.put("jvmLoad", (Double) values.get("getProcessCpuLoad"));
    metrics.put("cpuLoad", (Double) values.get("getSystemCpuLoad"));
    metrics.put("openFD", (Long) values.get("getOpenFileDescriptorCount"));
    metrics.put("maxFD", (Long) values.get("getMaxFileDescriptorCount"));
    metrics.put("freeMemory", (Long) values.get("getFreePhysicalMemorySize"));
    metrics.put("totalMemory", (Long) values.get("getTotalPhysicalMemorySize"));

    return ok(metrics.toString());
}

From source file:ReflectionUtils.java

/**
 * Make the given field accessible, explicitly setting it accessible if necessary.
 * The <code>setAccessible(true)</code> method is only called when actually necessary,
 * to avoid unnecessary conflicts with a JVM SecurityManager (if active).
 * @param field the field to make accessible
 * @see java.lang.reflect.Field#setAccessible
 *//* w w w  . j a  v a 2  s .c o m*/
public static void makeAccessible(Field field) {
    if (!Modifier.isPublic(field.getModifiers())
            || !Modifier.isPublic(field.getDeclaringClass().getModifiers())) {
        field.setAccessible(true);
    }
}