Package it.eng.spagobi.engines.qbe.datasource

Source Code of it.eng.spagobi.engines.qbe.datasource.JarFileRetriever

/**
* SpagoBI - The Business Intelligence Free Platform
*
* Copyright (C) 2004 - 2008 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.engines.qbe.datasource;

import it.eng.qbe.datasource.configuration.dao.DAOException;
import it.eng.spagobi.utilities.assertion.Assert;

import java.io.File;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

/**
* @author Andrea Gioia
*/
public class JarFileRetriever {

  protected File datamartsDir;
 
  // ============================================================
  // COSTRUCTORS
  // ============================================================
 
  public JarFileRetriever(File datamartsDir) {
    Assert.assertNotNull(datamartsDir, "Parameter [datamartsDir] cannot be null");
    if(!datamartsDir.exists()) {
      throw new DAOException("Folder [" + datamartsDir.getName() + "] does not exist.");
    }
    if(!datamartsDir.isDirectory()) {
      throw new DAOException("File [" + datamartsDir.getName() + "] is not a folder.");
    }
    this.setDatamartsDir(datamartsDir);
  }
 
  // ============================================================
  // ACCESSORS
  // ============================================================
 
  private File getDatamartsDir() {
    return datamartsDir;
  }


  private void setDatamartsDir(File datamartsDir) {
    this.datamartsDir = datamartsDir;
  }
 
  // ============================================================
  // DAO (load & save)
  // ============================================================
 
  public File loadDatamartJarFile(String datamartName) {
    File targetDatamartDir;
    File datamartJarFile;
   
    targetDatamartDir = new File(getDatamartsDir(), datamartName);   
    datamartJarFile = new File(targetDatamartDir, "datamart.jar");
   
    if (!datamartJarFile.exists()) {
      throw new DAOException("Impossible to load datamart [" + datamartName + "]. The associated mapping file [" + datamartJarFile + "] does not exist");
    }
   
    return datamartJarFile;
  }
 
  public void saveDatamartJarFile(String datamartName, File jarFile) {
   
  }

  public boolean isAJPADatamartJarFile(File datamartFile) {
    ZipFile zipFile;
    ZipEntry zipEntry;
   
    try {
      zipFile = new ZipFile(datamartFile);
    } catch (Throwable t) {
      throw new DAOException("Impossible to read jar file [" + datamartFile + "]");
    }
   
    zipEntry = zipFile.getEntry("META-INF/persistence.xml");
   
    return zipEntry!=null;
  }
 

 


}
TOP

Related Classes of it.eng.spagobi.engines.qbe.datasource.JarFileRetriever

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.