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:MainClass.java

public static void printMethods(Class cl) {
    Method[] methods = cl.getDeclaredMethods();

    for (int i = 0; i < methods.length; i++) {
        Method m = methods[i];
        Class retType = m.getReturnType();
        Class[] paramTypes = m.getParameterTypes();
        String name = m.getName();
        System.out.print(Modifier.toString(m.getModifiers()));
        System.out.print(" " + retType.getName() + " " + name + "(");
        for (int j = 0; j < paramTypes.length; j++) {
            if (j > 0)
                System.out.print(", ");
            System.out.print(paramTypes[j].getName());
        }//from   ww  w .j a  v a  2  s . c  o m
        System.out.println(");");
    }
}

From source file:Main.java

public static synchronized Method getSetter(final Class targetClass, final String propertyName) {
    String setterName = "set" + Character.toUpperCase(propertyName.charAt(0));
    if (setterName.length() > 1)
        setterName += propertyName.substring(1);

    final Method[] methods = targetClass.getMethods();

    for (Method m : methods) {
        if (m.getName().equals(setterName) && m.getParameterTypes().length == 1)
            return m;
    }/* www  . ja v a2 s  .c  o m*/
    return null;
}

From source file:springfox.documentation.schema.property.bean.Accessors.java

public static boolean maybeAGetter(Method method) {
    if (method.getParameterTypes().length == 0) {
        return notAVoidMethod(method);
    }//  w  w w.j av  a  2  s  . c o  m
    return false;
}

From source file:springfox.documentation.schema.property.bean.Accessors.java

public static boolean maybeASetter(Method method) {
    return method.getParameterTypes().length == 1;
}

From source file:Util.java

private static void fillSetterMethods(Class<?> pojoClass, Map<String, Method> baseMap) {
    if (pojoClass.getSuperclass() != Object.class)
        fillSetterMethods(pojoClass.getSuperclass(), baseMap);

    Method[] methods = pojoClass.getDeclaredMethods();
    for (int i = 0; i < methods.length; i++) {
        Method m = methods[i];
        if (!Modifier.isStatic(m.getModifiers()) && m.getParameterTypes().length == 1
                && m.getName().startsWith(SET) && Modifier.isPublic(m.getModifiers())) {
            baseMap.put(toProperty(SET.length(), m.getName()), m);
        }/*w ww.  j a va 2  s  .  c om*/
    }
}

From source file:Main.java

public static boolean isAccessor(Method method, String findValue) {
    boolean accessor = false;
    final Class<?>[] parameterTypes = method.getParameterTypes();
    final String methodName = method.getName();
    if (parameterTypes.length == 0 && method.getReturnType() != null
            && (methodName.startsWith("get") || methodName.startsWith("is"))
            && methodName.toLowerCase().indexOf(findValue.toLowerCase()) > -1) {
        accessor = true;//from www . j  a va  2 s .c  o m
    }
    return accessor;
}

From source file:Util.java

private static void fillGetterMethods(Class<?> pojoClass, Map<String, Method> baseMap) {
    if (pojoClass.getSuperclass() != Object.class)
        fillGetterMethods(pojoClass.getSuperclass(), baseMap);

    Method[] methods = pojoClass.getDeclaredMethods();
    for (int i = 0; i < methods.length; i++) {
        Method m = methods[i];
        if (!Modifier.isStatic(m.getModifiers()) && m.getParameterTypes().length == 0
                && m.getReturnType() != null && Modifier.isPublic(m.getModifiers())) {
            String name = m.getName();
            if (name.startsWith(IS))
                baseMap.put(toProperty(IS.length(), name), m);
            else if (name.startsWith(GET))
                baseMap.put(toProperty(GET.length(), name), m);
        }//from  w ww .j  a va 2 s .c  om
    }
}

From source file:Main.java

public static String getMethodName(Method method, Class<?>[] parameterClasses, String rightCode) {
    if (method.getParameterTypes().length > parameterClasses.length) {
        Class<?>[] types = method.getParameterTypes();
        StringBuilder buf = new StringBuilder(rightCode);
        for (int i = parameterClasses.length; i < types.length; i++) {
            if (buf.length() > 0) {
                buf.append(",");
            }// w ww  .  ja  v  a2  s.c  om
            Class<?> type = types[i];
            String def;
            if (type == boolean.class) {
                def = "false";
            } else if (type == char.class) {
                def = "\'\\0\'";
            } else if (type == byte.class || type == short.class || type == int.class || type == long.class
                    || type == float.class || type == double.class) {
                def = "0";
            } else {
                def = "null";
            }
            buf.append(def);
        }
    }
    return method.getName() + "(" + rightCode + ")";
}

From source file:com.ngdata.sep.util.io.Closer.java

public static void close(Object object) {
    if (object != null) {
        try {// ww w  .jav a2s . com
            Method closeMethod = null;
            Method[] methods = object.getClass().getMethods();
            for (Method method : methods) {
                if (method.getParameterTypes().length == 0) {
                    if (method.getName().equals("close")) {
                        closeMethod = method;
                        break;
                    } else if (method.getName().equals("shutdown")) {
                        closeMethod = method;
                    } else if (method.getName().equals("stop")) {
                        closeMethod = method;
                    }
                }
            }

            if (closeMethod != null) {
                closeMethod.invoke(object);
            } else {
                Log log = LogFactory.getLog(Closer.class);
                log.error("Do not know how to close object of type " + object.getClass().getName());
            }
        } catch (Throwable t) {
            Log log = LogFactory.getLog(Closer.class);
            log.error("Error closing object of type " + object.getClass().getName(), t);
        }
    }
}

From source file:Main.java

static <T extends Annotation> T getSuperMethodAnnotation(Class<?> superClass, Method method,
        Class<T> annotationClass) {
    try {/*  w w  w.jav  a2 s.c  o  m*/
        return superClass.getMethod(method.getName(), method.getParameterTypes())
                .getAnnotation(annotationClass);
    } catch (NoSuchMethodException ignored) {
        return null;
    }
}