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    <p>It's a bit confusing, it was dificult to me how to figure this too.</p> <p>All you need is an object of type java.util.Properties to fill the desired fields, but it's up to ou how to fill this object.</p> <p>I dit it through a ValueObject, I can fill this VO from a file, database, web form...</p> <pre><code> JCOProvider jcoProvider = null; SAPVO sap = new SAPVO(); // Value Object Properties properties = new Properties(); if(jcoProvider == null) { // Get SAP config from DB try { sap = SAPDAO.getSAPConfig(); // DAO object that gets conn data from DB } catch (Exception ex) { throw new ConexionSAPException(ex.getMessage()); } // Create new conn jcoProvider = new JCOProvider(); } properties.setProperty(DestinationDataProvider.JCO_ASHOST, sap.getJCO_ASHOST()); properties.setProperty(DestinationDataProvider.JCO_SYSNR, sap.getJCO_SYSNR()); properties.setProperty(DestinationDataProvider.JCO_CLIENT, sap.getJCO_CLIENT()); properties.setProperty(DestinationDataProvider.JCO_USER, sap.getJCO_USER()); properties.setProperty(DestinationDataProvider.JCO_PASSWD, sap.getJCO_PASSWD()); properties.setProperty(DestinationDataProvider.JCO_LANG, sap.getJCO_LANG()); // properties.setProperty(DestinationDataProvider.JCO_TRACE, "10"); try { jcoProvider.changePropertiesForABAP_AS(properties); } catch (Exception e) { throw new ConexionSAPException(e.getMessage()); } </code></pre> <p>The JCOProvider class:</p> <pre><code>import com.sap.conn.jco.ext.DestinationDataEventListener; import com.sap.conn.jco.ext.DestinationDataProvider; import com.sap.conn.jco.ext.Environment; import es.grupotec.ejb.util.ConexionSAPException; import java.util.Properties; public class JCOProvider implements DestinationDataProvider { private String SAP_SERVER = "SAPSERVER"; private DestinationDataEventListener eventListener; private Properties ABAP_AS_properties; public JCOProvider() { } @Override public Properties getDestinationProperties(String name) { if (name.equals(SAP_SERVER) &amp;&amp; ABAP_AS_properties != null) { return ABAP_AS_properties; } else { return null; } // if(ABAP_AS_properties!=null) return ABAP_AS_properties; // else throw new RuntimeException("Destination " + name + " is not available"); } @Override public boolean supportsEvents() { return true; } @Override public void setDestinationDataEventListener(DestinationDataEventListener eventListener) { this.eventListener = eventListener; } public void changePropertiesForABAP_AS(Properties properties) throws ConexionSAPException { try { if (!Environment.isDestinationDataProviderRegistered()) { if (ABAP_AS_properties == null) { ABAP_AS_properties = properties; } Environment.registerDestinationDataProvider(this); } if (properties == null) { if (eventListener != null) { eventListener.deleted(SAP_SERVER); } ABAP_AS_properties = null; } else { ABAP_AS_properties = properties; if (eventListener != null) { eventListener.updated(SAP_SERVER); } } } catch (Exception ex) { throw new ConexionSAPException(ex.getMessage()); } } } </code></pre> <p>Regards</p>
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