XMLHumanResourceSet.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2012 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.erp.time;
 
import java.io.File;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.List;
import java.util.TreeSet;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.turro.string.ObjectString;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.context.IConstructor;
import org.turro.elephant.impl.util.FileUtil;
 
public class XMLHumanResourceSet extends TreeSet<XMLHumanResource> {
  
  public static final String XML_HUMANRESOURCE = "/WEB-INF/local/humanResource.xml";
 
  private IConstructor constructor;
  
  public XMLHumanResourceSet(IConstructor constructor) {
    this.constructor = constructor;
    loadCollection();
  }
  
  public String getName(XMLTimeControl tc) {
    for(XMLHumanResource hr : this) {
      if(hr.getId() == tc.getHumanResourceId()) {
        return hr.getName();
      }
    }
    return null;
  }
 
  public void saveCollection() {
    Document doc = new Document(new Element("human-resources"));
    writeXML(doc.getRootElement());
    try {
      OutputStreamWriter fw = FileUtil.getFileWriter(
              ElephantContext.getRealPath(XML_HUMANRESOURCE));
      Format fm = Format.getPrettyFormat();
      fm.setEncoding(ElephantContext.getEncoding());
      XMLOutputter xo = new XMLOutputter(fm);
      xo.output(doc, fw);
      fw.close();
    } catch (IOException ex) {
      Logger.getLogger(XMLHumanResourceSet.class.getName()).log(Level.SEVERE, null, ex);
    }
  }
 
  private void loadCollection() {
    SAXBuilder builder = new SAXBuilder();
    Document doc;
    try {
      File confFile = new File(ElephantContext.getRealPath(XML_HUMANRESOURCE));
      if(confFile.exists()) {
        doc = builder.build(confFile);
        readXML(doc.getRootElement());
      }
    } catch (IOException ex) {
      Logger.getLogger(XMLHumanResourceSet.class.getName()).log(Level.SEVERE, null, ex);
    } catch (JDOMException ex) {
      Logger.getLogger(XMLHumanResourceSet.class.getName()).log(Level.SEVERE, null, ex);
    }
  }
 
  private void writeXML(Element rootElement) {
    for(XMLHumanResource hr : this) {
      Element el = new Element("human-resource");
      el.setAttribute("name", hr.getName());
      el.setAttribute("id", hr.getId() + "");
      rootElement.addContent(el);
    }
  }
 
  private void readXML(Element rootElement) {
    clear();
    for(Element el : (List<Element>) rootElement.getChildren("human-resource")) {
      XMLHumanResource hr = new XMLHumanResource();
      hr.setName(el.getAttributeValue("name"));
      hr.setId((Long) ObjectString.parseString(el.getAttributeValue("id"), Long.class, false));
      add(hr);
    }
  }
 
}