it.eng.spagobi.studio.console.model.bo.JsonTemplateGenerator.java Source code

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Here is the source code for it.eng.spagobi.studio.console.model.bo.JsonTemplateGenerator.java

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/**
    
SpagoBI - The Business Intelligence Free Platform
    
Copyright (C) 2005-2010 Engineering Ingegneria Informatica S.p.A.
    
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 2.1 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 this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    
**/
package it.eng.spagobi.studio.console.model.bo;

import java.io.IOException;

import it.eng.spagobi.studio.utils.exceptions.SavingEditorException;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonGenerationException;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;

/**
 * @author Marco Cortella (marco.cortella@eng.it)
 *
 */
public class JsonTemplateGenerator {

    public static String transformToJson(Object bean) throws SavingEditorException {
        String result = null;
        try {
            ObjectMapper mapper = new ObjectMapper();
            //This option exclude object with null value from the serialization
            mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
            //mapper.writeValueAsString(bean);
            result = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(bean);

        } catch (JsonGenerationException e) {
            e.printStackTrace();
        } catch (JsonMappingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;

    }

    /** populate the ConsoleTemplateModel Object from template*/
    public static ConsoleTemplateModel readJson(IFile file) throws CoreException {
        ConsoleTemplateModel objFromJson = null;
        ObjectMapper mapper = new ObjectMapper();
        try {
            objFromJson = mapper.readValue(file.getContents(), ConsoleTemplateModel.class);
        } catch (JsonParseException e) {
            e.printStackTrace();
        } catch (JsonMappingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return objFromJson;
    }

    //Only for testing
    public static void main(String[] args) {
        //Example fake model
        ConsoleTemplateModel example = new ConsoleTemplateModel();
        DatasetElement dataset_one = new DatasetElement();
        DatasetElement dataset_two = new DatasetElement();

        example.getDatasets().add(dataset_one);
        example.getDatasets().add(dataset_two);

        SummaryPanel summaryPanel = new SummaryPanel();
        example.setSummaryPanel(summaryPanel);

        LayoutManagerConfig layoutManagerConfig = new LayoutManagerConfig();
        summaryPanel.setLayoutManagerConfig(layoutManagerConfig);

        layoutManagerConfig.getColumnWidths().add(".25");
        layoutManagerConfig.getColumnWidths().add(".25");
        layoutManagerConfig.getColumnWidths().add(".25");
        layoutManagerConfig.getColumnWidths().add(".25");

        Chart chart = new Chart();
        Chart chart_two = new Chart();

        WidgetConfigElement widget_one = new WidgetConfigElementLiveLine();
        chart.setWidgetConfig(widget_one);

        WidgetConfigElement widget_two = new WidgetConfigElementSemaphore();
        chart_two.setWidgetConfig(widget_two);

        summaryPanel.getCharts().add(chart);
        summaryPanel.getCharts().add(chart_two);

        try {
            System.out.println(transformToJson(example));
        } catch (SavingEditorException e) {
            e.printStackTrace();
        }

    }

}