Java SQL Type isPrimitiveCollection(Method m)

Description

is Primitive Collection

License

Open Source License

Declaration

public static boolean isPrimitiveCollection(Method m) 

Method Source Code

//package com.java2s;
/**//from w w  w.  j av a 2s.  co  m
 * @author GML Enterprise Solutions
 * Copyright 2011 GML Enterprise Solutions
 * 
 * This file is part of SimpleORM.
 *
 * SimpleORM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *   
 * SimpleORM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with SimpleORM.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */

import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.math.BigDecimal;
import java.sql.Timestamp;
import java.sql.Date;
import java.util.Collection;

public class Main {
    public static boolean isPrimitiveCollection(Method m) {
        if (!Collection.class.isAssignableFrom(m.getReturnType()))
            return false;
        return isPrimitive(extractCollection(m));
    }

    public static boolean isPrimitive(Class<?> c) {
        return c.equals(String.class) || Date.class.isAssignableFrom(c) || c.equals(Integer.class)
                || c.toString().equals("int") || c.equals(Float.class) || c.toString().equals("float")
                || c.toString().equals("char") || c.equals(Short.class) || c.toString().equals("short")
                || c.equals(Long.class) || c.toString().equals("long") || c.equals(Double.class)
                || c.toString().equals("double") || c.equals(Boolean.class) || c.toString().equals("boolean")
                || (c.isArray() && c.getComponentType().toString().equals("byte")) || c.isEnum()
                || c.equals(BigDecimal.class) || c.equals(Timestamp.class);

    }

    public static boolean isPrimitive(Method m) {
        Class<?> c = m.getReturnType();
        return isPrimitive(c);

    }

    public static Class<?> extractCollection(Method m) {
        if (Collection.class.isAssignableFrom(m.getReturnType())) {

            Type[] types = ((ParameterizedType) m.getGenericReturnType()).getActualTypeArguments();
            return (Class<?>) types[types.length - 1];

        }

        return m.getReturnType();

    }

    public static Class<?> extractCollection(PropertyDescriptor property) {
        return extractCollection(property.getReadMethod());
    }
}

Related

1. isNumericType(int datatype)
2. isNumericType(int type)
3. isPlainJdbcType(int type)
4. isPrecisionRequired(int jdbcType)
5. isPrimitive(Class type)
6. isScaleRequired(int type)
7. isSerializationClass(Class clazz)
8. isSimpleType(Class type)
9. isSqlTypeBinayBased(int javaSqlType)