org.hibersap.mapping.BapiField Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2017 akquinet tech@spree GmbH
*
* This file is part of Hibersap.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this software 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.hibersap.mapping;
import java.lang.reflect.Field;
import java.util.Collection;
import org.hibersap.annotations.Changing;
import org.hibersap.annotations.Convert;
import org.hibersap.annotations.Export;
import org.hibersap.annotations.Import;
import org.hibersap.annotations.Parameter;
import org.hibersap.annotations.ParameterType;
import org.hibersap.annotations.Table;
import org.hibersap.conversion.Converter;
/**
* @author Carsten Erker
*/
class BapiField {
private static final Class PARAM = Parameter.class;
private static final Class IMPORT = Import.class;
private static final Class EXPORT = Export.class;
private static final Class CHANGING = Changing.class;
private static final Class TABLE = Table.class;
private static final Class CONVERT = Convert.class;
private final Field field;
public BapiField(final Field field) {
this.field = field;
}
public Class getArrayType() {
Class associatedType = field.getType();
return ReflectionHelper.getArrayType(associatedType);
}
/**
* @return The type.
*/
public Class getAssociatedType() {
if (field.getType().isArray()) {
return getArrayType();
}
if (Collection.class.isAssignableFrom(field.getType())) {
return getGenericType();
}
return getType();
}
public Class getConverter() {
if (field.isAnnotationPresent(CONVERT)) {
Convert convert = field.getAnnotation(CONVERT);
return convert.converter();
}
return null;
}
public Class getGenericType() {
return ReflectionHelper.getGenericType(field);
}
public String getName() {
return field.getName();
}
private Parameter getParameterAnnotation() {
return field.getAnnotation(PARAM);
}
public String getSapName() {
return getParameterAnnotation().value();
}
public Class getType() {
return field.getType();
}
public boolean isExport() {
return field.isAnnotationPresent(EXPORT);
}
public boolean isChanging() {
return field.isAnnotationPresent(CHANGING);
}
public boolean isImport() {
return field.isAnnotationPresent(IMPORT);
}
public boolean isParameter() {
return field.isAnnotationPresent(PARAM);
}
public boolean isStructure() {
return isParameter() && getParameterAnnotation().type() == ParameterType.STRUCTURE;
}
/**
* Check if the field's type equals to {@link org.hibersap.annotations.ParameterType#TABLE_STRUCTURE}.
*
* @return true if the field is of the type {@link org.hibersap.annotations.ParameterType#TABLE_STRUCTURE}
*/
public boolean isTableStructure() {
return isParameter() && getParameterAnnotation().type() == ParameterType.TABLE_STRUCTURE;
}
public boolean isTable() {
return field.isAnnotationPresent(TABLE);
}
}
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