RAEntity.java

package org.mobicents.plugins.du.deployconfig;

import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

public class RAEntity {

  /**
   * <ra-entity resource-adaptor-id="HttpClientResourceAdaptor#org.mobicents#1.0" entity-name="HttpClientRA">
   *     <properties url="...">
   *       <property name="user" value="admin" />
   *       <property name="password" value="admin" />
   *     </properties>
   *     <ra-link name="HTTPClientRA" />
   *   </ra-entity>
   */

  public static RAEntity parse(Element element) {

    String resourceAdaptorId = element.getAttribute("resource-adaptor-id");
    if (resourceAdaptorId == null) {
      throw new IllegalArgumentException("Invalid element, resource-adaptor-id attr is null");
    }

    String entityName = element.getAttribute("entity-name");
    if (entityName == null) {
      throw new IllegalArgumentException("Invalid element, entity-name attr is null");
    }

    String propertiesFile = null;
    Properties properties = new Properties();
    List<String> raLinks = new ArrayList<String>();

    NodeList propertiesNodeList = element.getElementsByTagName("properties");
    if (propertiesNodeList.getLength() > 1) {
      throw new IllegalArgumentException("Invalid ra-entity element, has more than one properties child");
    }
    else {
      Element propertiesElement = ((Element)propertiesNodeList.item(0));
      // properties file attr
      propertiesFile = propertiesElement.getAttribute("file");
      // properties childs
      NodeList propertiesChilds = propertiesElement.getElementsByTagName("property");

      for(int i=0; i < propertiesChilds.getLength(); i++) {
        Element propertyElement = ((Element)propertiesChilds.item(i));

        // property element
        String propertyName = propertyElement.getAttribute("name");
        if (propertyName == null) {       
          throw new IllegalArgumentException("Invalid element, found a properties's child with null name");
        }

        String propertyValue = propertyElement.getAttribute("value");
        if (propertyValue == null) {
          throw new IllegalArgumentException("Invalid element, found a properties's child with null value");
        }
        properties.setProperty(propertyName,propertyValue);
      }
    }
    NodeList raLinkNodeList = element.getElementsByTagName("ra-link");

    for(int i = 0; i < raLinkNodeList.getLength(); i++) {
      String raLinkName = ((Element)raLinkNodeList.item(i)).getAttribute("name");
      if (raLinkName != null) {
        raLinks.add(raLinkName);
      }
      else {
        throw new IllegalArgumentException(" found invalid ra-link child, name attr is null");
      }
    }

    return new RAEntity(resourceAdaptorId,entityName,propertiesFile,properties,raLinks);
  }

  public RAEntity(String resourceAdaptorId, String entityName, String propertiesFile,Properties properties,List<String> raLinks){
    this.resourceAdaptorId = resourceAdaptorId;
    this.entityName = entityName;
    this.propertiesFile = propertiesFile;
    this.properties = properties;
    this.raLinks = raLinks;
  }

  private final String resourceAdaptorId;

  private final String entityName;

  private final String propertiesFile;

  private final Properties properties;

  private final List<String> raLinks;

  public String getEntityName() {
    return entityName;
  }

  public String getPropertiesFile() {
    return propertiesFile;
  }

  public Properties getProperties() {
    return properties;
  }

  public List<String> getRaLinks() {
    return raLinks;
  }

  public String getResourceAdaptorId() {
    return resourceAdaptorId;
  }

}