Java tutorial
/* * Copyright (C) 2005-2013 ManyDesigns srl. All rights reserved. * http://www.manydesigns.com/ * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 3 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package com.manydesigns.portofino.reflection; import com.manydesigns.elements.annotations.*; import com.manydesigns.elements.annotations.impl.*; import com.manydesigns.elements.reflection.PropertyAccessor; import com.manydesigns.portofino.model.database.Column; import org.apache.commons.lang.builder.ToStringBuilder; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.lang.reflect.Modifier; import java.util.Map; /* * @author Paolo Predonzani - paolo.predonzani@manydesigns.com * @author Angelo Lupo - angelo.lupo@manydesigns.com * @author Giampiero Granatella - giampiero.granatella@manydesigns.com * @author Alessio Stalla - alessio.stalla@manydesigns.com */ public class ColumnAccessor extends AbstractAnnotatedAccessor implements PropertyAccessor { public static final String copyright = "Copyright (c) 2005-2013, ManyDesigns srl"; //************************************************************************** // Fields //************************************************************************** protected final Column column; protected final PropertyAccessor nestedPropertyAccessor; public static final Logger logger = LoggerFactory.getLogger(ColumnAccessor.class); //************************************************************************** // Constructors //************************************************************************** public ColumnAccessor(Column column, boolean inPk, boolean autoGenerated, PropertyAccessor nestedPropertyAccessor) { super(column.getAnnotations()); this.column = column; this.nestedPropertyAccessor = nestedPropertyAccessor; annotations.put(Required.class, new RequiredImpl(!column.isNullable())); if (String.class.equals(column.getActualJavaType())) { annotations.put(MaxLength.class, new MaxLengthImpl(column.getLength())); } if (column.getLength() > 0 && column.getScale() >= 0) { annotations.put(PrecisionScale.class, new PrecisionScaleImpl(column.getLength(), column.getScale())); } annotations.put(Enabled.class, new EnabledImpl(true)); annotations.put(Updatable.class, new UpdatableImpl(!inPk)); annotations.put(Insertable.class, new InsertableImpl(!column.isAutoincrement() && !autoGenerated)); annotations.put(Searchable.class, new SearchableImpl(column.isSearchable())); } //************************************************************************** // PropertyAccessor implementation //************************************************************************** public String getName() { return column.getActualPropertyName(); } public Class getType() { return column.getActualJavaType(); } public int getModifiers() { return Modifier.PUBLIC; } public Object get(Object obj) { if (nestedPropertyAccessor == null) { return ((Map) obj).get(column.getActualPropertyName()); } else { return nestedPropertyAccessor.get(obj); } } public void set(Object obj, Object value) { if (nestedPropertyAccessor == null) { //noinspection unchecked ((Map) obj).put(column.getActualPropertyName(), value); } else { nestedPropertyAccessor.set(obj, value); } } //************************************************************************** // Getters/setters //************************************************************************** public Column getColumn() { return column; } //************************************************************************** // toString() //************************************************************************** @Override public String toString() { return new ToStringBuilder(this).append("column", column.getQualifiedName()).toString(); } }