Java Reflection Method Setter Get getSetterShorthandName(Method method)

Description

get Setter Shorthand Name

License

Apache License

Declaration

public static String getSetterShorthandName(Method method) 

Method Source Code

//package com.java2s;
/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * /*from w  w  w .j  a  va 2s  . co m*/
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.lang.reflect.Method;

import java.util.Locale;
import java.util.regex.Pattern;

public class Main {
    private static final Pattern SETTER_PATTERN = Pattern
            .compile("set[A-Z].*");

    public static String getSetterShorthandName(Method method) {
        if (!isSetter(method)) {
            return method.getName();
        }

        String name = method.getName();
        if (name.startsWith("set")) {
            name = name.substring(3);
            name = name.substring(0, 1).toLowerCase(Locale.ENGLISH)
                    + name.substring(1);
        }

        return name;
    }

    public static boolean isSetter(Method method,
            boolean allowBuilderPattern) {
        String name = method.getName();
        Class<?> type = method.getReturnType();
        Class<?> params[] = method.getParameterTypes();

        if (!SETTER_PATTERN.matcher(name).matches()) {
            return false;
        }

        return params.length == 1
                && (type.equals(Void.TYPE) || (allowBuilderPattern && method
                        .getDeclaringClass().isAssignableFrom(type)));
    }

    public static boolean isSetter(Method method) {
        return isSetter(method, false);
    }

    private static boolean matches(Class<?>[] parameterTypes, Object[] args) {
        if ((parameterTypes == null) || (parameterTypes.length == 0)) {
            return ((args == null) || (args.length == 0));
        }
        if ((args == null) || (parameterTypes.length != args.length)) {
            return false;
        }
        for (int i = 0; i < parameterTypes.length; i++) {
            if ((args[i] != null)
                    && (!parameterTypes[i].isAssignableFrom(args[i]
                            .getClass()))) {
                return false;
            }
        }
        return true;
    }
}

Related

1. getSetters(Class clazz)
2. getSetters(Class clazz)
3. getSetters(Class klass)
4. getSetters(Object obj)
5. getSettersForType(Class clazz, String typeName)
6. getSetterType(Method method)