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);
}
}