sampledatatagiteratorcollection.java

这是一个mvc模式

package jsp.tags.dapact.samples;

import java.util.ArrayList;
import java.util.Collection;
import jsp.tags.dapact.tags.data.*;

/**
 * Title:        Data Aware Processing And Control Tags
 * Description:  Tag library for the processing and controlling the input and output of data.
 * Copyright:    LGPL (http://www.gnu.org/copyleft/lesser.html)
 * Compile Date: @compile_date@
 * @author Allen M Servedio
 * @amp_sign@version @VERSION@
 */

/**
 * Sample data tag iteration class that returns a collection to be iterated over. In
 * this instance, the collection resides within the class, but there is certainly
 * no reason that the collection could not be retrieved from elsewhere in the system
 * (it is in this class for simplicity of example).
 */
public class SampleDataTagIteratorCollection extends BaseDataTagIteratorCollection
{
  /**
   * Default constructor.
   */
  public SampleDataTagIteratorCollection()
  {
  }

  /**
   * Returns a sample collection to be iterated over (5 entries exist in this sample).
   *
   * @return collection to be iterated over.
   */
  protected Collection getCollection()
  {
    ArrayList arrList = new ArrayList(5);
    // Please excuse this highly inefficient code, I am allowing the horrid string
    //  concatenation (resulting in the creation of a string buffer for each entry)
    //  just to keep the example simple. You should never do this type of concatenation
    //  in production code.
    arrList.add("Entry 1 for " + getName());
    arrList.add("Entry 2 for " + getName());
    arrList.add("Entry 3 for " + getName());
    arrList.add("Entry 4 for " + getName());
    arrList.add("Entry 5 for " + getName());
    return arrList;
  }
}