Example usage for java.lang.reflect Method getParameterTypes

Introduction

In this page you can find the example usage for java.lang.reflect Method getParameterTypes.

Prototype

@Override
public Class<?>[] getParameterTypes()

Source Link

Usage

From source file:Main.java

public static String parseParameterTypes(Method method) {
    String parameterTypes = "";
    for (Class<?> parameterClass : method.getParameterTypes())
        parameterTypes += parseClassType(parameterClass);
    return parameterTypes;
}

From source file:Main.java

/**
 * Convenience method for obtaining most non-null human readable properties
 * of a JComponent.  Array properties are not included.
 * <P>//from  w  w w .  j  a v a 2s  . c  o m
 * Implementation note:  The returned value is a HashMap.  This is subject
 * to change, so callers should code against the interface Map.
 *
 * @param component the component whose proerties are to be determined
 * @return the class and value of the properties
 */
public static Map<Object, Object> getProperties(JComponent component) {
    Map<Object, Object> retVal = new HashMap<Object, Object>();
    Class<?> clazz = component.getClass();
    Method[] methods = clazz.getMethods();
    Object value = null;
    for (Method method : methods) {
        if (method.getName().matches("^(is|get).*") && method.getParameterTypes().length == 0) {
            try {
                Class returnType = method.getReturnType();
                if (returnType != void.class && !returnType.getName().startsWith("[")
                        && !setExclude.contains(method.getName())) {
                    String key = method.getName();
                    value = method.invoke(component);
                    if (value != null && !(value instanceof Component)) {
                        retVal.put(key, value);
                    }
                }
                // ignore exceptions that arise if the property could not be accessed
            } catch (IllegalAccessException ex) {
            } catch (IllegalArgumentException ex) {
            } catch (InvocationTargetException ex) {
            }
        }
    }
    return retVal;
}

From source file:Main.java

private static List<Object> createParamsArray(Method m, List<Object> availableParams) {
    List<Object> params = new ArrayList<Object>();
    Class<?>[] paramTypes = m.getParameterTypes();

    for (Class<?> type : paramTypes) {
        for (Object param : availableParams) {
            if (param != null && type.isAssignableFrom(param.getClass())) {
                params.add(param);/*w ww.  j  a va  2 s .  c  om*/
            }
        }
    }

    return params;
}

From source file:Main.java

private static final Method findMethod(Class<?> clazz, String name, List<Class<?>> actualArgs) {
    for (final Method m : clazz.getMethods()) {
        if (m.getName().equals(name) && callableWith(m.getParameterTypes(), actualArgs)) {
            return m;
        }/*from www . j av a  2s  . c  o m*/
    }
    return null;
}

From source file:Main.java

static boolean isSuperMethodAnnotated(Class<?> superClass, Method method,
        Class<? extends Annotation> annotationClass) {
    try {//from w  w  w. j a v  a  2 s. c o  m
        return superClass.getMethod(method.getName(), method.getParameterTypes())
                .isAnnotationPresent(annotationClass);
    } catch (NoSuchMethodException ignored) {
        return false;
    }
}

From source file:Main.java

public static String generateNameOfMethod(Class<?> providerClass, Method method) {
    StringBuilder buider = new StringBuilder(providerClass.getName()).append(method.getName());
    Class<?>[] paramTypes = method.getParameterTypes();
    for (Class<?> c : paramTypes) {
        buider.append(c.getName());/* w w  w  . j av  a  2 s .c o  m*/
    }
    return buider.toString();
}

From source file:Main.java

/**
 * Convenience method for obtaining most non-null human readable properties
 * of a JComponent. Array properties are not included.
 * <P>//  w ww  . j av a  2 s.c  o  m
 * Implementation note: The returned value is a HashMap. This is subject to
 * change, so callers should code against the interface Map.
 * 
 * @param component
 *            the component whose proerties are to be determined
 * @return the class and value of the properties
 */
public static Map<Object, Object> getProperties(final JComponent component) {
    final Map<Object, Object> retVal = new HashMap<Object, Object>();
    final Class<?> clazz = component.getClass();
    final Method[] methods = clazz.getMethods();
    Object value = null;
    for (final Method method : methods) {
        if (method.getName().matches("^(is|get).*") && method.getParameterTypes().length == 0) {
            try {
                final Class returnType = method.getReturnType();
                if (returnType != void.class && !returnType.getName().startsWith("[")
                        && !setExclude.contains(method.getName())) {
                    final String key = method.getName();
                    value = method.invoke(component);
                    if (value != null && !(value instanceof Component)) {
                        retVal.put(key, value);
                    }
                }
                // ignore exceptions that arise if the property could not be
                // accessed
            } catch (final IllegalAccessException ex) {
            } catch (final IllegalArgumentException ex) {
            } catch (final InvocationTargetException ex) {
            }
        }
    }
    return retVal;
}

From source file:Main.java

/**
 * Convenience method for obtaining most non-null human readable properties
 * of a JComponent.  Array properties are not included.
 * <P>//w w  w. j  a va 2  s.com
 * Implementation note:  The returned value is a HashMap.  This is subject
 * to change, so callers should code against the interface Map.
 * 
 * @param component the component whose proerties are to be determined
 * @return the class and value of the properties
 */
public static Map<Object, Object> getProperties(JComponent component) {
    Map<Object, Object> retVal = new HashMap<>();
    Class<?> clazz = component.getClass();
    Method[] methods = clazz.getMethods();
    Object value = null;
    for (Method method : methods) {
        if (method.getName().matches("^(is|get).*") && method.getParameterTypes().length == 0) {
            try {
                Class<?> returnType = method.getReturnType();
                if (returnType != void.class && !returnType.getName().startsWith("[")
                        && !setExclude.contains(method.getName())) {
                    String key = method.getName();
                    value = method.invoke(component);
                    if (value != null && !(value instanceof Component)) {
                        retVal.put(key, value);
                    }
                }
                // ignore exceptions that arise if the property could not be accessed
            } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
            }
        }
    }
    return retVal;
}

From source file:ShowClass.java

public static void printMethodOrConstructor(Member member) {
    Class returntype = null, parameters[], exceptions[];
    if (member instanceof Method) {
        Method m = (Method) member;
        returntype = m.getReturnType();/*from  w  ww. jav  a  2  s  .  co  m*/
        parameters = m.getParameterTypes();
        exceptions = m.getExceptionTypes();
        System.out.print(
                "  " + modifiers(member.getModifiers()) + typeName(returntype) + " " + member.getName() + "(");
    } else {
        Constructor c = (Constructor) member;
        parameters = c.getParameterTypes();
        exceptions = c.getExceptionTypes();
        System.out.print("  " + modifiers(member.getModifiers()) + typeName(c.getDeclaringClass()) + "(");
    }

    for (int i = 0; i < parameters.length; i++) {
        if (i > 0)
            System.out.print(", ");
        System.out.print(typeName(parameters[i]));
    }
    System.out.print(")");
    if (exceptions.length > 0)
        System.out.print(" throws ");
    for (int i = 0; i < exceptions.length; i++) {
        if (i > 0)
            System.out.print(", ");
        System.out.print(typeName(exceptions[i]));
    }
    System.out.println(";");
}

From source file:Main.java

public static void print_method_or_constructor(Member member) {
    Class returntype = null, parameters[], exceptions[];
    if (member instanceof Method) {
        Method m = (Method) member;
        returntype = m.getReturnType();/*from w w w.j a  v  a 2 s.co  m*/
        parameters = m.getParameterTypes();
        exceptions = m.getExceptionTypes();
        System.out.print(
                "  " + modifiers(member.getModifiers()) + typename(returntype) + " " + member.getName() + "(");
    } else {
        Constructor c = (Constructor) member;
        parameters = c.getParameterTypes();
        exceptions = c.getExceptionTypes();
        System.out.print("  " + modifiers(member.getModifiers()) + typename(c.getDeclaringClass()) + "(");
    }
    for (int i = 0; i < parameters.length; i++) {
        if (i > 0)
            System.out.print(", ");
        System.out.print(typename(parameters[i]));
    }
    System.out.print(")");
    if (exceptions.length > 0)
        System.out.print(" throws ");
    for (int i = 0; i < exceptions.length; i++) {
        if (i > 0)
            System.out.print(", ");
        System.out.print(typename(exceptions[i]));
    }
    System.out.println(";");
}