Example usage for java.lang Class getMethods

Introduction

In this page you can find the example usage for java.lang Class getMethods.

Prototype

@CallerSensitive
public Method[] getMethods() throws SecurityException 

Source Link

Document

Returns an array containing Method objects reflecting all the public methods of the class or interface represented by this Class object, including those declared by the class or interface and those inherited from superclasses and superinterfaces.

Usage

From source file:com.facebook.GraphObjectWrapper.java

private static <T extends GraphObject> void verifyCanProxyClass(Class<T> graphObjectClass) {
    if (hasClassBeenVerified(graphObjectClass)) {
        return;// w  w  w  . ja v a2  s  .c  om
    }

    if (!graphObjectClass.isInterface()) {
        throw new FacebookGraphObjectException(
                "GraphObjectWrapper can only wrap interfaces, not class: " + graphObjectClass.getName());
    }

    Method[] methods = graphObjectClass.getMethods();
    for (Method method : methods) {
        String methodName = method.getName();
        int parameterCount = method.getParameterTypes().length;
        Class<?> returnType = method.getReturnType();
        boolean hasPropertyNameOverride = method.isAnnotationPresent(PropertyName.class);

        if (method.getDeclaringClass().isAssignableFrom(GraphObject.class)) {
            // Don't worry about any methods from GraphObject or one of its base classes.
            continue;
        } else if (parameterCount == 1 && returnType == Void.TYPE) {
            if (hasPropertyNameOverride) {
                // If a property override is present, it MUST be valid. We don't fallback
                // to using the method name
                if (!Utility.isNullOrEmpty(method.getAnnotation(PropertyName.class).value())) {
                    continue;
                }
            } else if (methodName.startsWith("set") && methodName.length() > 3) {
                // Looks like a valid setter
                continue;
            }
        } else if (parameterCount == 0 && returnType != Void.TYPE) {
            if (hasPropertyNameOverride) {
                // If a property override is present, it MUST be valid. We don't fallback
                // to using the method name
                if (!Utility.isNullOrEmpty(method.getAnnotation(PropertyName.class).value())) {
                    continue;
                }
            } else if (methodName.startsWith("get") && methodName.length() > 3) {
                // Looks like a valid getter
                continue;
            }
        }

        throw new FacebookGraphObjectException("GraphObjectWrapper can't proxy method: " + method.toString());
    }

    recordClassHasBeenVerified(graphObjectClass);
}

---

From source file:cn.aposoft.util.spring.ReflectionUtils.java

/**
 * Attempt to find a {@link Method} on the supplied class with the supplied
 * name and parameter types. Searches all superclasses up to {@code Object}.
 * <p>//from   ww  w  .  j  a  va  2 s.  c o  m
 * Returns {@code null} if no {@link Method} can be found.
 * 
 * @param clazz
 *            the class to introspect
 * @param name
 *            the name of the method
 * @param paramTypes
 *            the parameter types of the method (may be {@code null} to
 *            indicate any signature)
 * @return the Method object, or {@code null} if none found
 */
public static Method findMethod(Class<?> clazz, String name, Class<?>... paramTypes) {
    Assert.notNull(clazz, "Class must not be null");
    Assert.notNull(name, "Method name must not be null");
    Class<?> searchType = clazz;
    while (searchType != null) {
        Method[] methods = (searchType.isInterface() ? searchType.getMethods()
                : getDeclaredMethods(searchType));
        for (Method method : methods) {
            if (name.equals(method.getName())
                    && (paramTypes == null || Arrays.equals(paramTypes, method.getParameterTypes()))) {
                return method;
            }
        }
        searchType = searchType.getSuperclass();
    }
    return null;
}

---

From source file:Reflect1.java

public void run(String classes[]) {
    for (int i = 0; i < classes.length; i++)
        try {/*  w  ww.j a v  a 2s  .  c o m*/
            Class c = Class.forName(classes[i]);
            Method methods[] = c.getMethods();
            for (int m = 0; m < methods.length; m++)
                System.out.println(methods[m].toString());
        } catch (ClassNotFoundException e) {
            System.err.println("Error: Class " + classes[i] + " not found!");
        } catch (Exception e) {
            System.err.println(e);
        }
}

---

From source file:org.psnively.scala.beans.ScalaBeanInfoFactory.java

private boolean supports(Class<?> beanClass) {
    for (Method method : beanClass.getMethods()) {
        if (ScalaBeanInfo.isScalaSetter(method)) {
            return true;
        }/*from  w ww. j  ava2 s.  com*/
    }
    return false;
}

---

From source file:com.google.code.siren4j.util.ReflectionUtils.java

/**
 * Retrieve all fields deemed as Exposed, i.e. they are public or have a public accessor method or are marked by an
 * annotation to be exposed.//from ww  w .  j a  v a2  s.co  m
 *
 * @param clazz cannot be <code>null</code>.
 * @return
 */
public static List<ReflectedInfo> getExposedFieldInfo(final Class<?> clazz) {
    List<ReflectedInfo> results = null;
    try {
        results = fieldInfoCache.get(clazz, new Callable<List<ReflectedInfo>>() {
            /**
             * This method is called if the value is not found in the cache. This
             * is where the real reflection work is done.
             */
            public List<ReflectedInfo> call() throws Exception {
                List<ReflectedInfo> exposed = new ArrayList<ReflectedInfo>();
                for (Method m : clazz.getMethods()) {
                    if (ReflectionUtils.isGetter(m) && !isIgnored(m)) {
                        Field f = getGetterField(m);
                        if (f != null && !isIgnored(f)) {
                            f.setAccessible(true);
                            Siren4JProperty propAnno = f.getAnnotation(Siren4JProperty.class);
                            String effectiveName = propAnno != null
                                    ? StringUtils.defaultIfEmpty(propAnno.name(), f.getName())
                                    : f.getName();
                            Siren4JSubEntity subAnno = f.getAnnotation(Siren4JSubEntity.class);
                            if (subAnno != null && !ArrayUtils.isEmpty(subAnno.rel())) {
                                effectiveName = subAnno.rel().length == 1 ? subAnno.rel()[0]
                                        : ArrayUtils.toString(subAnno.rel());
                            }
                            exposed.add(new ReflectedInfo(f, m, ReflectionUtils.getSetter(clazz, f),
                                    effectiveName));
                        }
                    }
                }
                return exposed;
            }

        });
    } catch (ExecutionException e) {
        throw new Siren4JRuntimeException(e);
    }
    return results;

}

---

From source file:com.haulmont.chile.core.model.utils.MethodsCache.java

public MethodsCache(Class clazz) {
    final Method[] methods = clazz.getMethods();
    for (Method method : methods) {
        String name = method.getName();
        if (name.startsWith("get") && method.getParameterTypes().length == 0) {
            name = StringUtils.uncapitalize(name.substring(3));
            method.setAccessible(true);//from   ww  w.j a v  a 2 s  .  c om
            getters.put(name, method);
        }
        if (name.startsWith("is") && method.getParameterTypes().length == 0) {
            name = StringUtils.uncapitalize(name.substring(2));
            method.setAccessible(true);
            getters.put(name, method);
        } else if (name.startsWith("set") && method.getParameterTypes().length == 1) {
            name = StringUtils.uncapitalize(name.substring(3));
            method.setAccessible(true);
            setters.put(name, method);
        }
    }
}

---

From source file:org.LexGrid.LexBIG.caCore.applicationservice.resource.RemoteResourceManager.java

private boolean doMethodsContainClientSideSafeAnnotation(Class<?> clazz) {
    for (Method method : clazz.getMethods()) {
        if (method.isAnnotationPresent(LgClientSideSafe.class)) {
            LgClientSideSafe css = method.getAnnotation(LgClientSideSafe.class);
            if (css.force()) {
                return true;
            }/*from w w w  .  ja  v a 2s .co m*/
        }
    }
    return false;
}

---

From source file:lucee.runtime.reflection.storage.SoftMethodStorage.java

/**
 * store a class with his methods/*from w  ww.j  av a 2  s  . c om*/
 * @param clazz
 * @return returns stored struct
 */
private Map<Key, Array> store(Class clazz) {
    Method[] methods = clazz.getMethods();
    Map<Key, Array> methodsMap = new ConcurrentHashMap<Key, Array>();
    for (int i = 0; i < methods.length; i++) {
        storeMethod(methods[i], methodsMap);

    }
    map.put(clazz, methodsMap);
    return methodsMap;
}

---

From source file:io.stallion.reflection.PropertyUtils.java

private static boolean containsSetterForGetter(Class clazz, Method method) {
    String methodName = method.getName();
    String setterName;// ww  w. j  a v  a 2s  . com

    if (methodName.startsWith("get"))
        setterName = "set" + methodName.substring(3);
    else if (methodName.startsWith("is"))
        setterName = "set" + methodName.substring(2);
    else
        throw new PropertyException(
                "method '" + methodName + "' is not a getter, thereof no setter can be found");

    Method[] methods = clazz.getMethods();
    for (int i = 0; i < methods.length; i++) {
        Method method1 = methods[i];
        if (method1.getName().equals(setterName))
            return true;
    }
    return false;
}

---

From source file:pl.com.bottega.ecommerce.system.saga.impl.SpringSagaRegistry.java

private void registerSagaLoader(Class<?> loaderClass, String beanName) {
    for (Method method : loaderClass.getMethods()) {
        if (method.getAnnotation(SagaAction.class) != null || method.getAnnotation(LoadSaga.class) != null) {
            Class<?>[] params = method.getParameterTypes();
            if (params.length == 1) {
                loadersInterestedIn.put(params[0], beanName);
            } else {
                throw new RuntimeException("incorred event hadndler: " + method);
            }/*w  ww  .j a  v  a 2 s.  c  om*/
        }
    }
}

---

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