hu.icellmobilsoft.coffee.model.base.AbstractProvider Maven / Gradle / Ivy
/*-
* #%L
* Coffee
* %%
* Copyright (C) 2020 i-Cell Mobilsoft Zrt.
* %%
* 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.
* #L%
*/
package hu.icellmobilsoft.coffee.model.base;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.List;
import org.apache.commons.lang3.tuple.Pair;
import hu.icellmobilsoft.coffee.model.base.exception.ProviderException;
/**
* Abstract class of providers.
*
* @author zsolt.vasi
* @since 2.0.0
*/
public abstract class AbstractProvider {
private static ClassFieldsAndMethodsCache classFieldsAndMethodsCache = new ClassFieldsAndMethodsCache();
/**
* Default constructor, constructs a new object.
*/
public AbstractProvider() {
super();
}
/**
* Returns the field from the specified list associated with the specified getter method based on its name
*
* @param method
* the getter method
* @param allFields
* list of fields
* @return the associated field
*/
protected Field getFieldByMethod(Method method, List allFields) {
for (Field field : allFields) {
String fieldName = field.getName();
String suffixMethodName = fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1);
List possibleMethodNames = List.of("get" + suffixMethodName, "is" + suffixMethodName);
if (possibleMethodNames.contains(method.getName()) && field.getDeclaringClass().equals(method.getDeclaringClass())) {
return field;
}
}
throw new ProviderException(
"Field is not found based on the name of the annotated method: " + method.getDeclaringClass() + "." + method.getName());
}
/**
* Returns all the fields and methods of the specified class in a pair of lists
*
* @param clazz
* the specified class
* @return pair of fields and methods lists
*/
protected Pair, List> getAllFieldsAndMethods(Class clazz) {
return classFieldsAndMethodsCache.getFieldsAndMethods(clazz);
}
}