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Core services for Usergrid system.
/*******************************************************************************
* Copyright 2012 Apigee Corporation
*
* 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.usergrid.utils;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
public class ClassUtils extends org.apache.commons.lang.ClassUtils {
@SuppressWarnings("unchecked")
public static Class tryGetClass(Class baseCls, String className) {
try {
Class cls = (Class) Class.forName(className);
if (cls != null) {
return cls;
}
} catch (ClassCastException e) {
// logger.warn("Unable to convert to a typed entity (" + entityType
// + "): " + e.getMessage());
} catch (ClassNotFoundException e) {
// logger.warn("Unable to convert to a typed entity (" + entityType
// + "): " + e.getMessage());
}
return null;
}
@SuppressWarnings("unchecked")
public static B cast(A a) {
return (B) a;
}
@SuppressWarnings("unchecked")
private static final Set> WRAPPER_TYPES = new HashSet>(
Arrays.asList(Boolean.class, Byte.class, Character.class,
Double.class, Float.class, Integer.class, Long.class,
Short.class, Void.class));
public static boolean isWrapperType(Class clazz) {
return WRAPPER_TYPES.contains(clazz);
}
public static boolean isWrapperType2(Class clazz) {
if (clazz == null) {
return false;
}
return clazz.equals(Boolean.class) || clazz.equals(Integer.class)
|| clazz.equals(Character.class) || clazz.equals(Byte.class)
|| clazz.equals(Short.class) || clazz.equals(Double.class)
|| clazz.equals(Long.class) || clazz.equals(Float.class);
}
public static boolean isPrimitiveType(Class clazz) {
if (clazz == null) {
return false;
}
return clazz.isPrimitive() || isWrapperType(clazz);
}
public static boolean isBasicType(Class clazz) {
if (clazz == null) {
return false;
}
return (String.class.isAssignableFrom(clazz)) || isPrimitiveType(clazz);
}
}