is Primitive type, get Primitive Class, get Type Default Value : Type « Reflection « Java

1. Java
2. Reflection
3. Type

is Primitive type, get Primitive Class, get Type Default Value

        
/* 
 * Copyright 2009-2010 junithelper.org. 
 * 
 * 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 
 * 
 *     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. 
 */
//package org.junithelper.core.util;

public class PrimitiveTypeUtil {

    private PrimitiveTypeUtil() {
    }

    public static final boolean isPrimitive(String typeName) {
        if (typeName == null)
            return false;
        if (typeName.equals("byte"))
            return true;
        if (typeName.equals("short"))
            return true;
        if (typeName.equals("int"))
            return true;
        if (typeName.equals("long"))
            return true;
        if (typeName.equals("char"))
            return true;
        if (typeName.equals("float"))
            return true;
        if (typeName.equals("double"))
            return true;
        if (typeName.equals("boolean"))
            return true;
        if (typeName.equals("void"))
            return true;
        return false;
    }

    public static final Class<?> getPrimitiveClass(String typeName) {
        if (typeName.equals("byte"))
            return byte.class;
        if (typeName.equals("short"))
            return short.class;
        if (typeName.equals("int"))
            return int.class;
        if (typeName.equals("long"))
            return long.class;
        if (typeName.equals("char"))
            return char.class;
        if (typeName.equals("float"))
            return float.class;
        if (typeName.equals("double"))
            return double.class;
        if (typeName.equals("boolean"))
            return boolean.class;
        if (typeName.equals("void"))
            return void.class;
        throw new IllegalArgumentException("Not primitive type : " + typeName);
    }

    public static final String getTypeDefaultValue(String typeName) {
        if (typeName.equals("byte"))
            return "0";
        if (typeName.equals("short"))
            return "0";
        if (typeName.equals("int"))
            return "0";
        if (typeName.equals("long"))
            return "0L";
        if (typeName.equals("char"))
            return "'\u0000'";
        if (typeName.equals("float"))
            return "0.0F";
        if (typeName.equals("double"))
            return "0.0";
        if (typeName.equals("boolean"))
            return "false";
        if (typeName.equals("void"))
            return "void";
        throw new IllegalArgumentException("Not primitive type : " + typeName);
    }

}

   
    
    
    
    
    
    
    
  

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