package at.gv.egovernment.moa.spss.api.impl;

import java.util.HashMap;
import java.util.Map;

import at.gv.egovernment.moa.spss.api.common.XPathTransform;

/**
 * Default implementation of <code>XPathTransform</code>.
 * 
 * @author Fatemeh Philippi
 * @version $Id$
 */
public class XPathTransformImpl
  extends TransformImpl
  implements XPathTransform {
    
  /** The XPath expression to evaluate. */
  private String xPathExpression;
  /** The namespace prefix to URI mapping to while evaluating the XPath 
   * expression. */
  private Map namespaceDeclarations = new HashMap();

  /**
   * Create a new <code>XPathTransformImpl</code> object.
   */
  public XPathTransformImpl() {
    setAlgorithmURI(XPATH);
  }

  /**
   * Sets the XPath expression to evaluate.
   * 
   * @param xPathExpression The XPath expression to evaluate.
   */
  public void setXPathExpression(String xPathExpression) {
    this.xPathExpression = xPathExpression;
  }

  public String getXPathExpression() {
    return xPathExpression;
  }

  /**
   * Sets the namespace prefix to URI mapping to while evaluating the XPath 
   * expression.
   * 
   * @param namespaceDeclarations The namespace prefix to URI mapping to while 
   * evaluating the XPath expression.
   */
  public void setNamespaceDelcarations(Map namespaceDeclarations) {
    this.namespaceDeclarations = namespaceDeclarations;
  }

  public Map getNamespaceDeclarations() {
    return namespaceDeclarations;
  }

}