resourcecustompropertiestaghandler.java

It is all about project scheduling. GanttProject is a tool for creating a project schedule by means

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

package net.sourceforge.ganttproject.parser;

import java.util.ArrayList;
import java.util.GregorianCalendar;
import java.util.Iterator;
import java.util.List;

import net.sourceforge.ganttproject.GanttCalendar;
import net.sourceforge.ganttproject.Mediator;
import net.sourceforge.ganttproject.resource.HumanResource;
import net.sourceforge.ganttproject.resource.HumanResourceManager;

import org.w3c.util.DateParser;
import org.w3c.util.InvalidDateException;
import org.xml.sax.Attributes;

/**
 * This class parses the custom properties for tasks.
 */
public class ResourceCustomPropertiesTagHandler implements TagHandler,
        ParsingListener {
    private HumanResourceManager manager = null;

    private ParsingContext parsingContext = null;

    private List listStructure = null;

    public ResourceCustomPropertiesTagHandler(ParsingContext context,
            HumanResourceManager manager) {
        this.manager = manager;
        this.parsingContext = context;
        this.listStructure = new ArrayList();
    }

    /**
     * Parses the element's attributes.
     */
    public void startElement(String namespaceURI, String sName, String qName,
            Attributes attrs) throws FileFormatException {
        if (qName.equals("rescustomproperty"))
            loadProperty(attrs);

    }

    /**
     * @see net.sourceforge.ganttproject.parser.TagHandler#endElement(java.lang.String,
     *      java.lang.String, java.lang.String)
     */
    public void endElement(String namespaceURI, String sName, String qName) {
        parsingFinished();
    }

    /**
     * @see net.sourceforge.ganttproject.parser.ParsingListener#parsingStarted()
     */
    public void parsingStarted() {
        // nothing to do.
    }

    /**
     * Applies the parsed element to the resources
     */
    public void parsingFinished() {
        Iterator it = this.listStructure.iterator();

        while (it.hasNext()) {
            CustomPropertiesStructure cps = (CustomPropertiesStructure) it
                    .next();
            HumanResource resource = (HumanResource) manager
                    .getById(parsingContext.getResourceID());

            String valueStr = cps.value;
            Object value = null;
            Class cla = manager.getCustomFieldType(cps.propertyName);

            if (cla.equals(String.class))
                value = valueStr.toString();
            else if (cla.equals(Boolean.class))
                value = Boolean.valueOf(valueStr);
            else if (cla.equals(Integer.class))
                value = Integer.valueOf(valueStr);
            else if (cla.equals(Double.class))
                value = Double.valueOf(valueStr);
            else if (GregorianCalendar.class.isAssignableFrom(cla))
                try {
                    value = new GanttCalendar(DateParser.parse(valueStr));
                } catch (InvalidDateException e) {
                    e.printStackTrace();
                }

            resource.setCustomFieldVal(cps.propertyName, value);
        }
    }

    private void loadProperty(Attributes attrs) {
        if (attrs != null) {
            CustomPropertiesStructure cps = new CustomPropertiesStructure();
            cps.setResourceID(this.parsingContext.getResourceID());
            cps.setPropertyName(attrs.getValue("property_name"));
            cps.setValue(attrs.getValue("value"));

            this.listStructure.add(cps);
        }
    }

    private class CustomPropertiesStructure {
        public int resourceID;

        public String propertyName = null;

        public String value = null;

        public CustomPropertiesStructure() {
        }

        public void setResourceID(int id) {
            resourceID = id;
        }

        public void setPropertyName(String name) {
            propertyName = name;
        }

        public void setValue(String val) {
            this.value = val;
        }
    }
}