[Xpg-xml-commits] CVS: edu/iicm/xpg/transitions/simple StoreDocAuthorTransition.java,NONE,1.1 StoreDocContentTransition.java,NONE,1.1 StoreDocTitleTransition.java,NONE,1.1 WriteDocContentTransition.java,NONE,1.1 WriteGeneralFooterTransition.java,NONE,1.1 WriteGeneralHeaderTransition.java,NONE,1.1 WriteHeaderTransition.java,NONE,1.1

[G?nther B. <br...@us...>]

Update of /cvsroot/xpg-xml/edu/iicm/xpg/transitions/simple
In directory usw-pr-cvs1:/tmp/cvs-serv8789

Added Files:
	StoreDocAuthorTransition.java StoreDocContentTransition.java 
	StoreDocTitleTransition.java WriteDocContentTransition.java 
	WriteGeneralFooterTransition.java 
	WriteGeneralHeaderTransition.java WriteHeaderTransition.java 
Log Message:
files moved

--- NEW FILE: StoreDocAuthorTransition.java ---
/***********************************************************************
 * @(#)$RCSfile: StoreDocAuthorTransition.java,v $   $Revision: 1.1 $ $Date: 2002/02/07 09:42:18 $
 *
 * Copyright (c) 2001 IICM, Graz University of Technology
 * Schiesstattgasse 4a, A-8010 Graz, Austria.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License (LGPL)
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 ***********************************************************************/


package edu.iicm.xpg.transitions.simple;

import edu.iicm.xpg.statemachine.Transition;
import edu.iicm.xpg.statemachine.State;
import edu.iicm.xpg.statemachine.StateMachine;
import edu.iicm.xpg.statemachine.Input;
import edu.iicm.xpg.statemachine.XMLInput;
import edu.iicm.xpg.statemachine.DataObject;


//----------------------------------------------------------------------
/**
 * @author Klaus Schmaranz
 * @author Günther Brand
 * @version $Revision: 1.1 $
 */

public class StoreDocAuthorTransition implements Transition
{
//----------------------------------------------------------------------
/**
 * @param input the input that triggered this transition
 * @param from_state the start state for this transition
 * @param to_state the destination state for this transition
 * @param machine the state machine that this transition belongs to
 * @param data user defined data
 * @return 
 * @exception Exception whatever an implementation can throw
 */

  public String transitionTriggered(Input input,State from_state,State to_state,
                                    StateMachine machine,DataObject data)
    throws Exception
  {
    String doc_author = (String)data.getObject("doc_author");
    if (doc_author == null)
      data.putObject("doc_author", ((XMLInput)input).getValue());
    else
      doc_author = doc_author + ((XMLInput)input).getValue();
    // FIXXME: should be obsolete
    // ((Generator)data).doc_author_ = doc_author;
    return(null);
  }

}



--- NEW FILE: StoreDocContentTransition.java ---
/***********************************************************************
 * @(#)$RCSfile: StoreDocContentTransition.java,v $   $Revision: 1.1 $ $Date: 2002/02/07 09:42:18 $
 *
 * Copyright (c) 2001 IICM, Graz University of Technology
 * Schiesstattgasse 4a, A-8010 Graz, Austria.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License (LGPL)
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 ***********************************************************************/


package edu.iicm.xpg.transitions.simple;

import edu.iicm.xpg.statemachine.Transition;
import edu.iicm.xpg.statemachine.State;
import edu.iicm.xpg.statemachine.StateMachine;
import edu.iicm.xpg.statemachine.Input;
import edu.iicm.xpg.statemachine.XMLInput;
import edu.iicm.xpg.statemachine.DataObject;

//----------------------------------------------------------------------
/**
 * @author Günther Brand
 * @version $Revision: 1.1 $
 */

public class StoreDocContentTransition implements Transition
{
//----------------------------------------------------------------------
/**
 * @param input the input that triggered this transition
 * @param from_state the start state for this transition
 * @param to_state the destination state for this transition
 * @param machine the state machine that this transition belongs to
 * @param data user defined data
 * @return 
 * @exception Exception whatever an implementation can throw
 */

  public String transitionTriggered(Input input,State from_state,State to_state,
                                    StateMachine machine,DataObject data)
    throws Exception
  {
    String content = (String)data.getObject("content");
    if (content == null)
      data.putObject("content", ((XMLInput)input).getValue());
    else
      content += ((XMLInput)input).getValue();
    return(null);
  }

}



--- NEW FILE: StoreDocTitleTransition.java ---
/***********************************************************************
 * @(#)$RCSfile: StoreDocTitleTransition.java,v $   $Revision: 1.1 $ $Date: 2002/02/07 09:42:18 $
 *
 * Copyright (c) 2001 IICM, Graz University of Technology
 * Schiesstattgasse 4a, A-8010 Graz, Austria.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License (LGPL)
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 ***********************************************************************/


package edu.iicm.xpg.transitions.simple;

import edu.iicm.xpg.statemachine.Transition;
import edu.iicm.xpg.statemachine.State;
import edu.iicm.xpg.statemachine.StateMachine;
import edu.iicm.xpg.statemachine.Input;
import edu.iicm.xpg.statemachine.XMLInput;
import edu.iicm.xpg.statemachine.DataObject;

//----------------------------------------------------------------------
/**
 * @author Klaus Schmaranz
 * @version $Revision: 1.1 $
 */

public class StoreDocTitleTransition implements Transition
{
//----------------------------------------------------------------------
/**
 * @param input the input that triggered this transition
 * @param from_state the start state for this transition
 * @param to_state the destination state for this transition
 * @param machine the state machine that this transition belongs to
 * @param data user defined data
 * @return 
 * @exception Exception whatever an implementation can throw
 */

  public String transitionTriggered(Input input,State from_state,State to_state,
                                    StateMachine machine,DataObject data)
    throws Exception
  {
    String doc_title = (String)data.getObject("doc_title");
    if (doc_title == null)
      data.putObject("doc_title", ((XMLInput)input).getValue());
    else
      doc_title = doc_title + ((XMLInput)input).getValue();
    // ((Generator)data).doc_title_ = doc_title;
    return(null);
  }

}



--- NEW FILE: WriteDocContentTransition.java ---
/***********************************************************************
 * @(#)$RCSfile: WriteDocContentTransition.java,v $   $Revision: 1.1 $ $Date: 2002/02/07 09:42:18 $
 *
 * Copyright (c) 2001 IICM, Graz University of Technology
 * Schiesstattgasse 4a, A-8010 Graz, Austria.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License (LGPL)
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 ***********************************************************************/


package edu.iicm.xpg.transitions.simple;

import edu.iicm.xpg.statemachine.Transition;
import edu.iicm.xpg.statemachine.State;
import edu.iicm.xpg.statemachine.StateMachine;
import edu.iicm.xpg.statemachine.Input;
import edu.iicm.xpg.statemachine.XMLInput;
import edu.iicm.xpg.statemachine.DataObject;

import java.util.Vector;
import java.util.Enumeration;

//----------------------------------------------------------------------
/**
 * @author Günther Brand
 * @version $Revision: 1.1 $
 */

public class WriteDocContentTransition implements Transition
{
  protected int field_counter_;
  protected static int coll_counter_;

      // don't use underlines in the labels, only at the end!
  protected final static String COLL_LABEL = "collection_";
  protected final static String COURSE_LABEL = "course_";
  protected final static String TITLE_NEW_LABEL = "newTitle_";
  protected final static String TITLE_OLD_LABEL = "oldTitle_";
  protected final static String TITLE_ANY_LABEL = "anyTitle_";
  protected final static String TYPE_NEW_LABEL = "newType_";
  protected final static String TYPE_OLD_LABEL = "oldType_";
  protected final static String TYPE_ANY_LABEL = "anyType_";
  protected final static String HOURS_NEW_LABEL = "newHours_";
  protected final static String HOURS_OLD_LABEL = "oldHours_";
  protected final static String HOURS_ANY_LABEL = "anyHours_";
  protected final static String MARK_NEW_LABEL = "newMark_";
  protected final static String MARK_OLD_LABEL = "oldMark_";
  protected final static String MARK_ANY_LABEL = "anyMark_";
  protected final static String REMARK_NEW_LABEL = "newRemark_";
  protected final static String REMARK_OLD_LABEL = "oldRemark_";
  protected final static String REMARK_ANY_LABEL = "anyRemark_";
  protected final static String DATE_NEW_LABEL = "newDate_";
  protected final static String DATE_OLD_LABEL = "oldDate_";
  protected final static String DATE_ANY_LABEL = "anyDate_";

//----------------------------------------------------------------------
/**
 * @param input the input that triggered this transition
 * @param from_state the start state for this transition
 * @param to_state the destination state for this transition
 * @param machine the state machine that this transition belongs to
 * @param data user defined data
 * @return 
 * @exception Exception whatever an implementation can throw
 */

  public String transitionTriggered(Input input,State from_state,State to_state,
                                    StateMachine machine,DataObject data)
    throws Exception
  {
    StringBuffer html_form = data.getResult();
    String content = (String)data.getObject("content");

    if (content != null)
      html_form.append(content);
    else
      System.err.println("Error (printing to form): document has no content");

    // writeCourseList(html_form,collection.getCourses());

    return(null);
  }

//----------------------------------------------------------------------
/**
 * @param html_form the form to write to
 * @param course_list the list of courses
 * @return 
 */

  /* protected synchronized void writeCourseList(StringBuffer html_form,Vector course_list)
  {
    if (course_list == null)
    {
      System.err.println("Error (printing to form): collection has no courses");
      return;
    }
    html_form.append("<table border=\"1\" cellspacing=\"2\">\n");

    field_counter_ = 0;
    Enumeration courses = course_list.elements();

    while(courses.hasMoreElements())
    {
      CourseEquivalence course = (CourseEquivalence)courses.nextElement();
      writeCourse(html_form,course);
    }
    html_form.append("</table>\n");
  } */

//----------------------------------------------------------------------
/**
 * @param html_form the form to write to
 * @param course the course to write
 * @return 
 */

  /* protected void writeCourse(StringBuffer html_form,CourseEquivalence course)
  {
    field_counter_++;
    int alternative_counter = 0;
    boolean groupwise = false;

    Vector entries = course.getAllNew();

        // ------------------------------ "any" Course
    if (entries.isEmpty())
    {
      html_form.append("<tr>\n");
      html_form.append("  <td><input type=\"hidden\" name=\"" + COURSE_LABEL + coll_counter_ +
                       "_" + field_counter_ + "_1" + 
                       "\">\n<input type=\"text\" size=\"20\" maxlength=\"60\" name=\"" + TITLE_ANY_LABEL + 
                       coll_counter_ + "_" + field_counter_ + "_1" + "\"></td>\n");
      html_form.append("<td>Typ: <input type=\"text\" size=\"4\" maxlength=\"4\" name=\"" + 
                       TYPE_ANY_LABEL + coll_counter_ + "_" + field_counter_ + "_1" + "\"></td>\n");
      html_form.append("<td>Std: <input type=\"text\" size=\"4\" maxlength=\"4\" name=\"" + 
                       HOURS_ANY_LABEL + coll_counter_ + "_" + field_counter_ + "_1" + "\"></td>\n");
      html_form.append("<td>Dat: <input type=\"text\" size=\"10\" maxlength=\"10\" name=\"" + 
                       DATE_ANY_LABEL + coll_counter_ + "_" + field_counter_ + "_1" + "\"></td>\n");
      html_form.append("<td>Note: <input type=\"text\" size=\"2\" maxlength=\"1\" name=\"" + 
                       MARK_ANY_LABEL + coll_counter_ + "_" + field_counter_ + "_1" + "\"></td>\n");
      html_form.append("<td>Bem.: <input type=\"text\" size=\"13\" maxlength=\"200\" name=\"" + 
                       REMARK_ANY_LABEL + coll_counter_ + "_" + field_counter_ + "_1" + "\"></td>\n");
      html_form.append("</tr>\n");
      return;
    }

        // ------------------------------ new course
    Enumeration entry_enum = entries.elements();
    if (entries.size() > 1) // multiple alternatives
    {
      groupwise = true;
      html_form.append("<tr><td colspan=\"6\" align=\"center\"><strong><i>" +
                       "Folgende Veranstaltungen werden gruppenweise angerechnet</i></strong></td></tr>");
    }
    while(entry_enum.hasMoreElements())
    {
      CourseEntry entry = (CourseEntry)entry_enum.nextElement();
      alternative_counter++;

      html_form.append("<tr>\n");
      html_form.append("  <td><input type=\"hidden\" name=\"" + COURSE_LABEL + coll_counter_ +
                       "_" + field_counter_ + "_" + alternative_counter + "\">\n<strong>");
      html_form.append(entry.getTitle());
      html_form.append("<input type=\"hidden\" name=\"" + TITLE_NEW_LABEL + coll_counter_ +
                       "_" + field_counter_ + "_" + alternative_counter + "\" value=\"" + 
                       entry.getTitle() + "\">\n");
      html_form.append("</strong></td><td>");
      html_form.append("Typ: ");
      html_form.append(entry.getType());
      html_form.append("<input type=\"hidden\" name=\"" + TYPE_NEW_LABEL + coll_counter_ +
                       "_" + field_counter_ + "_" + alternative_counter + "\" value=\"" + 
                       entry.getType() + "\">\n");
      html_form.append("</td><td>");
      html_form.append("Std: ");
      html_form.append(entry.getHours());
      html_form.append("<input type=\"hidden\" name=\"" + HOURS_NEW_LABEL + coll_counter_ +
                       "_" + field_counter_ + "_" + alternative_counter + "\" value=\"" + 
                       entry.getHours() + "\">\n");
      html_form.append("</td>");
      html_form.append("<td>Dat: <input type=\"text\" size=\"10\" maxlength=\"10\" name=\"" + 
                       DATE_NEW_LABEL + coll_counter_ + "_" + field_counter_ + "_" +
                       alternative_counter + "\"></td>\n");
      html_form.append("<td>Note: <input type=\"text\" size=\"2\" maxlength=\"1\" name=\"" + 
                       MARK_NEW_LABEL + coll_counter_ + "_" + field_counter_ + "_" +
                       alternative_counter + "\"></td>\n");
      html_form.append("<td>Bem.: <input type=\"text\" size=\"13\" maxlength=\"200\" name=\"" + 
                       REMARK_NEW_LABEL + coll_counter_ + "_" + field_counter_ + "_" + 
                       alternative_counter + "\"></td>\n");
      html_form.append("</tr>\n");
    }

        // ------------------------------ old course
    alternative_counter = 0;
    entries = course.getAllOld();
    if (entries.isEmpty())
      return;
    entry_enum = entries.elements();
    while(entry_enum.hasMoreElements())
    {
      CourseEntry entry = (CourseEntry)entry_enum.nextElement();
      alternative_counter++;

      html_form.append("<tr>\n");
      html_form.append("  <td>&nbsp;&nbsp;&nbsp;&nbsp;<i>");
      html_form.append(entry.getTitle());
      html_form.append("<input type=\"hidden\" name=\"" + TITLE_OLD_LABEL + coll_counter_ +
                       "_" + field_counter_ + "_" + alternative_counter + "\" value=\"" +
                       entry.getTitle() + "\">\n");
      html_form.append("</i></td><td>");
      html_form.append("Typ: ");
      html_form.append(entry.getType());
      html_form.append("<input type=\"hidden\" name=\"" + TYPE_OLD_LABEL + coll_counter_ +
                       "_" + field_counter_ + "_" + alternative_counter + "\" value=\"" + 
                       entry.getType() + "\">\n");
      html_form.append("</td><td>");
      html_form.append("Std: ");
      html_form.append(entry.getHours());
      html_form.append("<input type=\"hidden\" name=\"" + HOURS_OLD_LABEL + coll_counter_ +
                       "_" + field_counter_ + "_" + alternative_counter + "\" value=\"" +
                       entry.getHours() + "\">\n");
      html_form.append("</td>");
      html_form.append("<td>Dat: <input type=\"text\" size=\"10\" maxlength=\"10\" name=\"" + 
                       DATE_OLD_LABEL + coll_counter_ + "_" + field_counter_ + "_" +
                       alternative_counter + "\"></td>\n");
      html_form.append("<td>Note: <input type=\"text\" size=\"2\" maxlength=\"1\" name=\"" + 
                       MARK_OLD_LABEL + coll_counter_ + "_" + field_counter_ + "_" +
                       alternative_counter + "\"></td>\n");
      html_form.append("<td>Bem.: <input type=\"text\" size=\"13\" maxlength=\"200\" name=\"" + 
                       REMARK_OLD_LABEL + coll_counter_ + "_" + field_counter_ + "_" + 
                       alternative_counter + "\"></td>\n");
      html_form.append("</tr>\n");
    }
    if (groupwise) // multiple alternatives
    {
      html_form.append("<tr><td colspan=\"6\" align=\"center\"><strong><i>" +
                       "Ende der Anrechnungsgruppe</i></strong></td></tr>");
    }

  } */

}

--- NEW FILE: WriteGeneralFooterTransition.java ---
/***********************************************************************
 * @(#)$RCSfile: WriteGeneralFooterTransition.java,v $   $Revision: 1.1 $ $Date: 2002/02/07 09:42:18 $
 *
 * Copyright (c) 2001 IICM, Graz University of Technology
 * Schiesstattgasse 4a, A-8010 Graz, Austria.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License (LGPL)
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 ***********************************************************************/


package edu.iicm.xpg.transitions.simple;

import edu.iicm.xpg.statemachine.Transition;
import edu.iicm.xpg.statemachine.State;
import edu.iicm.xpg.statemachine.StateMachine;
import edu.iicm.xpg.statemachine.Input;
import edu.iicm.xpg.statemachine.XMLInput;
import edu.iicm.xpg.statemachine.DataObject;

//----------------------------------------------------------------------
/**
 * @author Klaus Schmaranz
 * @author G&uuml;nther Brand
 * @version $Revision: 1.1 $
 */

public class WriteGeneralFooterTransition implements Transition
{
//----------------------------------------------------------------------
/**
 * @param input the input that triggered this transition
 * @param from_state the start state for this transition
 * @param to_state the destination state for this transition
 * @param machine the state machine that this transition belongs to
 * @param data user defined data
 * @return 
 * @exception Exception whatever an implementation can throw
 */

  public String transitionTriggered(Input input,State from_state,State to_state,
                                    StateMachine machine,DataObject data)
    throws Exception
  {
    StringBuffer html_form = data.getResult();
    html_form.append("\n<p><hr></p><input type=\"submit\" value=\"abschicken\">\n</form>" +
      "\n</body>\n</html>");
    // html_form.append("\n</body>\n</html>");
    return(null);
  }

}



--- NEW FILE: WriteGeneralHeaderTransition.java ---
/***********************************************************************
 * @(#)$RCSfile: WriteGeneralHeaderTransition.java,v $   $Revision: 1.1 $ $Date: 2002/02/07 09:42:18 $
 *
 * Copyright (c) 2001 IICM, Graz University of Technology
 * Schiesstattgasse 4a, A-8010 Graz, Austria.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License (LGPL)
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 ***********************************************************************/


package edu.iicm.xpg.transitions.simple;

import edu.iicm.xpg.statemachine.Transition;
import edu.iicm.xpg.statemachine.State;
import edu.iicm.xpg.statemachine.StateMachine;
import edu.iicm.xpg.statemachine.Input;
import edu.iicm.xpg.statemachine.XMLInput;
import edu.iicm.xpg.statemachine.DataObject;

//----------------------------------------------------------------------
/**
 * @author Klaus Schmaranz
 * @version $Revision: 1.1 $
 */

public class WriteGeneralHeaderTransition implements Transition
{
//----------------------------------------------------------------------
/**
 * @param input the input that triggered this transition
 * @param from_state the start state for this transition
 * @param to_state the destination state for this transition
 * @param machine the state machine that this transition belongs to
 * @param data user defined data
 * @return 
 * @exception Exception whatever an implementation can throw
 */

  public String transitionTriggered(Input input,State from_state,State to_state,
                                    StateMachine machine,DataObject data)
    throws Exception
  {
    StringBuffer html_form = data.getResult();
    html_form.append("<html>\n<head>\n");
    return(null);
  }

}



--- NEW FILE: WriteHeaderTransition.java ---
/***********************************************************************
 * @(#)$RCSfile: WriteHeaderTransition.java,v $   $Revision: 1.1 $ $Date: 2002/02/07 09:42:18 $
 *
 * Copyright (c) 2001 IICM, Graz University of Technology
 * Schiesstattgasse 4a, A-8010 Graz, Austria.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License (LGPL)
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 ***********************************************************************/


package edu.iicm.xpg.transitions.simple;

import edu.iicm.xpg.statemachine.Transition;
import edu.iicm.xpg.statemachine.Input;
import edu.iicm.xpg.statemachine.State;
import edu.iicm.xpg.statemachine.StateMachine;
import edu.iicm.xpg.statemachine.DataObject;

//----------------------------------------------------------------------
/**
 * @author Klaus Schmaranz
 * @author G&uuml;nther Brand
 * @version $Revision: 1.1 $
 */

public class WriteHeaderTransition implements Transition
{

//----------------------------------------------------------------------
/**
 * @param input the input that triggered this transition
 * @param from_state the start state for this transition
 * @param to_state the destination state for this transition
 * @param machine the state machine that this transition belongs to
 * @param data user defined data
 * @return 
 * @exception Exception whatever an implementation can throw
 */

  public String transitionTriggered(Input input,State from_state,State to_state,
                                    StateMachine machine,DataObject data)
    throws Exception
  {
    StringBuffer html_form = data.getResult();
    String doc_title = (String)data.getObject("doc_title");
    String doc_author = (String)data.getObject("doc_author");
    
    if (doc_title == null)
      System.err.println("Error (printing to form): document has no title");
    
    html_form.append("<title>" + doc_title + "</title>\n");
    
    if (doc_author != null)
      html_form.append("<meta name=\"author\" content=\"" + doc_author + "\">\n");
    
    html_form.append("</head>\n<body>\n<h1>" + doc_title + "</h1>\n");

    return(null);
  }

}