com.cubusmail.server.user.PreferencesTypeHandler.java Source code

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Here is the source code for com.cubusmail.server.user.PreferencesTypeHandler.java

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/* PreferencesTypeHandler.java
    
   Copyright (c) 2010 Juergen Schlierf, All Rights Reserved
       
   This file is part of Cubusmail (http://code.google.com/p/cubusmail/).
       
   This library 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 library 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 Cubusmail. If not, see <http://www.gnu.org/licenses/>.
 */
package com.cubusmail.server.user;

import java.lang.reflect.Field;
import java.sql.SQLException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.JSONException;
import org.json.JSONObject;

import com.cubusmail.common.model.Preferences;
import com.ibatis.sqlmap.client.extensions.ParameterSetter;
import com.ibatis.sqlmap.client.extensions.ResultGetter;
import com.ibatis.sqlmap.client.extensions.TypeHandlerCallback;

/**
 * iBatis type handler for type Preferences.
 * 
 * @author Juergen Schlierf
 */
public class PreferencesTypeHandler implements TypeHandlerCallback {

    private final Log log = LogFactory.getLog(getClass());

    /*
     * (non-Javadoc)
     * 
     * @see
     * com.ibatis.sqlmap.client.extensions.TypeHandlerCallback#getResult(com
     * .ibatis.sqlmap.client.extensions.ResultGetter)
     */
    public Object getResult(ResultGetter getter) throws SQLException {

        String preferencesJson = getter.getString();
        Preferences preferences = null;

        if (preferencesJson != null) {
            preferences = new Preferences();
            try {
                JSONObject object = new JSONObject(preferencesJson);
                Field[] fields = Preferences.class.getFields();
                if (fields != null) {
                    for (Field field : fields) {
                        Object value = object.has(field.getName()) ? object.get(field.getName()) : null;
                        if (value != null) {
                            if (value instanceof Integer) {
                                field.setInt(preferences, ((Integer) value).intValue());
                            } else if (value instanceof Boolean) {
                                field.setBoolean(preferences, ((Boolean) value).booleanValue());
                            } else if (value instanceof String) {
                                field.set(preferences, value);
                            }
                        }
                    }
                }
            } catch (JSONException e) {
                log.error(e.getMessage(), e);
            } catch (NumberFormatException e) {
                log.error(e.getMessage(), e);
            } catch (IllegalArgumentException e) {
                log.error(e.getMessage(), e);
            } catch (IllegalAccessException e) {
                log.error(e.getMessage(), e);
            }
        }

        return preferences;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * com.ibatis.sqlmap.client.extensions.TypeHandlerCallback#setParameter(
     * com.ibatis.sqlmap.client.extensions.ParameterSetter, java.lang.Object)
     */
    public void setParameter(ParameterSetter setter, Object parameter) throws SQLException {

        if (parameter != null && parameter instanceof Preferences) {
            try {
                JSONObject jsonObject = new JSONObject((Preferences) parameter);
                setter.setString(jsonObject.toString());
            } catch (Exception e) {
                setter.setString("");
                log.error(e.getMessage(), e);
            }
        } else {
            setter.setString("");
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * com.ibatis.sqlmap.client.extensions.TypeHandlerCallback#valueOf(java.
     * lang.String)
     */
    public Object valueOf(String s) {

        // TODO Auto-generated method stub
        return null;
    }
}