de.erdesignerng.dialect.ModelItemProperties.java Source code

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Here is the source code for de.erdesignerng.dialect.ModelItemProperties.java

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/**
 * Mogwai ERDesigner. Copyright (C) 2002 The Mogwai Project.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 * 
 * This program 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 General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA.
 */
package de.erdesignerng.dialect;

import de.erdesignerng.model.ModelItem;
import de.erdesignerng.model.ModelProperties;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.lang.StringUtils;

import java.beans.PropertyDescriptor;

public class ModelItemProperties<T extends ModelItem> {

    protected ModelItemProperties() {
    }

    public void copyTo(T aObject) {

        ModelProperties theProperties = aObject.getProperties();

        try {
            for (PropertyDescriptor theDescriptor : PropertyUtils.getPropertyDescriptors(this)) {
                if (theDescriptor.getReadMethod() != null && theDescriptor.getWriteMethod() != null) {
                    Object theValue = PropertyUtils.getProperty(this, theDescriptor.getName());
                    if (theValue != null) {
                        theProperties.setProperty(theDescriptor.getName(), theValue.toString());
                    } else {
                        theProperties.setProperty(theDescriptor.getName(), null);
                    }
                }
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public void initializeFrom(T aObject) {
        ModelProperties theProperties = aObject.getProperties();

        try {
            for (PropertyDescriptor theDescriptor : PropertyUtils.getPropertyDescriptors(this)) {
                if (theDescriptor.getReadMethod() != null && theDescriptor.getWriteMethod() != null) {
                    String theValue = theProperties.getProperty(theDescriptor.getName());
                    if (!StringUtils.isEmpty(theValue)) {
                        Class theType = theDescriptor.getPropertyType();

                        if (theType.isEnum()) {
                            PropertyUtils.setProperty(this, theDescriptor.getName(),
                                    Enum.valueOf(theType, theValue));
                        }
                        if (String.class.equals(theType)) {
                            PropertyUtils.setProperty(this, theDescriptor.getName(), theValue);
                        }
                        if (Long.class.equals(theType) || long.class.equals(theType)) {
                            PropertyUtils.setProperty(this, theDescriptor.getName(), Long.parseLong(theValue));
                        }
                        if (Integer.class.equals(theType) || int.class.equals(theType)) {
                            PropertyUtils.setProperty(this, theDescriptor.getName(), Integer.parseInt(theValue));
                        }
                        if (Boolean.class.equals(theType) || boolean.class.equals(theType)) {
                            PropertyUtils.setProperty(this, theDescriptor.getName(),
                                    Boolean.parseBoolean(theValue));
                        }
                    }
                }
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

    }
}