fieldimpl.java

用JGraph编的软件

package org.jgpd.io.jbpm.definition.impl;

import org.jgpd.io.jbpm.definition.Attribute;
import org.jgpd.io.jbpm.definition.Field;
import org.jgpd.io.jbpm.definition.FieldAccess;
import org.jgpd.io.jbpm.definition.State;
import org.jgpd.io.jbpm.xml.*;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public class FieldImpl implements Field {

    public FieldImpl() {}

    public FieldImpl(Node node)
    {
		// Get attributes
		NamedNodeMap attrMap = node.getAttributes();
		// Get name
		Node nameNode = attrMap.getNamedItem("attribute");
		String name = nameNode.getNodeValue();
		setName(name);
		// Get access
		Node accessNode = attrMap.getNamedItem("access");
		String accessText = accessNode.getNodeValue();
		this.access = FieldAccess.fromText( accessText );
		// FIXME what about initial value?
    }
	
  public void readProcessData( XmlElement xmlElement, CreationContext creationContext ) {

    String attributeName = xmlElement.getProperty( "attribute" );
//    creationContext.check( (attributeName!=null), "attribute is a required property in element field : " + xmlElement );

    creationContext.addUnresolvedReference( this, attributeName, creationContext.getProcessBlock(), "attribute", Attribute.class );

    this.state = creationContext.getState();

    String accessText = xmlElement.getProperty( "access" );
//    creationContext.check( (accessText!=null), "access is a required property in element field : " + xmlElement );
    this.access = FieldAccess.fromText( accessText );
  }

  public void readWebData( XmlElement xmlElement, CreationContext creationContext ) {
  }

  public void validate() {
//    validationContext.check( (state!=null), "state is a required property in a field" );
//    validationContext.check( (attribute!=null), "attribute is a required property in a field" );
//    validationContext.check( (access!=null), "access is a required property in a field" );
  }

  public String getDisplayedNodeType()
  {
  	return nodeType;
  }
  
  public String writeXML(String indent)
  {
	String xml = indent + "<field attribute=\"" + getName() + "\"\t";
	
	xml += "access=\"";
	if ( this.access != null )
	{
	  xml += this.access.writeXML();
	}
	else
	{
	  // FIXME TODO db add error log here that no FieldAccess object
	  // had been created
	  xml += "read-only";
	}
	xml += "\"/>\n";
  	
	return xml;
  }

  public String getName() { return this.name; }
  public void setName(String name) { this.name = name; }

  public String getDescription() { return this.description; }
  public void setDescription(String description) {this.description = description; }

  public Integer getIndex() { return this.index; }
  public void setIndex(Integer index) { this.index = index; }

  public Attribute getAttribute() { return this.attribute; }
  public void setAttribute(Attribute attribute) { this.attribute = attribute; }

  public State getState() { return this.state; }
  public void setState(State state) { this.state = state; }

  public FieldAccess getAccess() { return this.access; }
  public void setAccess(FieldAccess fieldAccess) { this.access = fieldAccess; }


  private String name = new String("Enter field name");
  private String description = null;
  private Integer index = null;
  private State state = null;
  private Attribute attribute = null;
  private FieldAccess access = FieldAccess.READ_ONLY;
  public static final String nodeType = new String("field attribute");
}