formprimitive.java

考勤管理系统源码

package com.wiley.compBooks.EJwithUML.Base.HtmlPrimitives.FormPrimitives;

import com.wiley.compBooks.EJwithUML.Base.HtmlPrimitives.Core.*;
import java.util.*;

/** The FormPrimitive encapsulates the details of building the HTML
  *  for an input form. */
public class FormPrimitive implements IHtmlPrimitive
{
  private String submitTarget;
  private String name;
  private ArrayList primitives = new ArrayList();

  /** Construct a FormPrimitive with the specified submit target
   *  and form name. */
  public FormPrimitive(String submitTarget, String name)
  {
    this.submitTarget = submitTarget;
    this.name = name;
  }

  /** Add the producer to this form. */
  public void addPrimitive(IHtmlPrimitive primitive)
  {
    this.primitives.add(primitive);
  }

  /** Build the content for this primitive and append it to
   *  the specified buffer.*/
  public void buildContent(StringBuffer buffer)
  {
    String name_string = Formatting.convertToAttribute("name", name);
    String action_string = Formatting.convertToAttribute("action", submitTarget);
    buffer.append("<form" +name_string+action_string+ " method=POST>");

    // add the HTML from each producer to the HTML for this producer.
    Iterator producersIterator = primitives.iterator();
    while (producersIterator.hasNext())
    {
      IHtmlPrimitive producer = (IHtmlPrimitive) producersIterator.next();
      producer.buildContent(buffer);
    }

    // end the form tag
    buffer.append("</form>\n");
  }
}