/*
    * This software was designed and created by Jason Carroll.
    * Copyright (c) 2002, 2003, 2004 Jason Carroll.
    * The author can be reached at jcarroll@cowsultants.com
    * ITracker website: http://www.cowsultants.com
    * ITracker forums: http://www.cowsultants.com/phpBB/index.php
    *
    * This program is free software; you can redistribute it and/or modify
    * it only under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 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 General Public License for more details.
   */
  
  package org.itracker.web.taglib;
  
  import java.net.MalformedURLException;
  import java.util.Locale;
  
  import javax.servlet.http.HttpSession;
  import javax.servlet.jsp.JspException;
  import javax.servlet.jsp.tagext.BodyTagSupport;
  
  import org.apache.struts.taglib.TagUtils;
  import org.itracker.core.resources.ITrackerResources;
  import org.itracker.services.util.HTMLUtilities;
  import org.itracker.web.util.Constants;
  
  
  public final class FormatLinkTag extends BodyTagSupport {
      /**
  	 * 
  	 */
  	private static final long serialVersionUID = 1L;
  
  	private String text = null;
  
      private String action = null;
      private String forward = null;
      private String paramName = null;
      private String paramValue = null;
      private String titleKey = null;
      private String arg0 = null;
      private String caller = null;
      private String targetAction = null;
      private String target = null;
      private String styleClass = null;
      private String queryString = null;
  
      public String getAction() {
        	return action;
      }
  
      public void setAction(String value) {
      	  action = value;
      }
  
      public String getForward() {
        	return forward;
      }
  
      public void setForward(String value) {
      	  forward = value;
      }
  
      public String getParamName() {
        	return paramName;
      }
  
      public void setParamName(String value) {
      	  paramName = value;
      }
  
      public Object getParamValue() {
        	return paramValue;
      }
  
      public void setParamValue(Object value) {
      	  paramValue = (value != null ? value.toString() : null);
      }
  
      public String getQueryString() {
          return queryString;
      }
  
      public void setQueryString(String value) {
          queryString = value;
      }
  
      public String getTitleKey() {
        	return titleKey;
      }
  
      public void setTitleKey(String value) {
      	  titleKey = value;
     }
 
     public Object getArg0() {
       	return arg0;
     }
 
     public void setArg0(Object value) {
     	  arg0 = (value != null ? value.toString() : null);
     }
 
     public String getCaller() {
       	return caller;
     }
 
     public void setCaller(String value) {
     	  caller = value;
     }
 
     public String getTargetAction() {
       	return targetAction;
     }
 
     public void setTargetAction(String value) {
     	  targetAction = value;
     }
 
     public String getTarget() {
       	return target;
     }
 
     public void setTarget(String value) {
     	  target = value;
     }
 
     public String getStyleClass() {
       	return styleClass;
     }
 
     public void setStyleClass(String value) {
     	  styleClass = value;
     }
 
     public int doStartTag() throws JspException {
         text = null;
         return EVAL_BODY_BUFFERED;
     }
 
     public int doAfterBody() throws JspException {
         if(bodyContent != null) {
             String value = bodyContent.getString().trim();
             if(value.length() > 0) {
                 text = value;
             }
         }
         return SKIP_BODY;
     }
 
     public int doEndTag() throws JspException {
         boolean hasParams = false;
         Locale locale = null;
 
         HttpSession session = pageContext.getSession();
         if(session != null) {
             locale = (Locale) session.getAttribute(Constants.LOCALE_KEY);
         }
 
         StringBuffer buf = new StringBuffer("<a href=\"");
         try {
             buf.append(TagUtils.getInstance().computeURL(pageContext, forward, null, null, action, null, null, null, false));            
         } catch(MalformedURLException murle) {
             buf.append(HTMLUtilities.escapeTags(forward));
         }
         if(queryString != null) {
             buf.append("?" + HTMLUtilities.escapeTags(queryString));
             hasParams = true;
         }
         if(paramName != null && paramValue != null) {
             buf.append((hasParams ? "&amp;" : "?") + paramName + "=" + paramValue);
             hasParams = true;
         }
         if(caller != null) {
             buf.append((hasParams ? "&amp;" : "?") + "caller=" + HTMLUtilities.escapeTags(caller));
             hasParams = true;
         }
         if(targetAction != null) {
             buf.append((hasParams ? "&amp;" : "?") + "action=" + HTMLUtilities.escapeTags(targetAction));
             hasParams = true;
         }
         buf.append("\"");
         if(target != null) {
             buf.append(" target=\"" + HTMLUtilities.escapeTags(target) + "\"");
         }
         if(titleKey != null) {
             buf.append(" title=\"" + HTMLUtilities.escapeTags(ITrackerResources.getString(titleKey, locale, (arg0 == null ? "" : arg0))) + "\"");
         }
         if(styleClass != null) {
             buf.append(" class=\"" + HTMLUtilities.escapeTags(styleClass) + "\"");
         }
         buf.append(">");
         buf.append(HTMLUtilities.escapeTags(text));
         buf.append("</a>");
         // ResponseUtils.write(pageContext, buf.toString());
         TagUtils.getInstance().write(pageContext, buf.toString());
         clearState();
         return (EVAL_PAGE);
     }
 
     public void release() {
         super.release();
         clearState();
     }
 
     private void clearState() {
         text = null;
         action = null;
         forward = null;
         paramName = null;
         paramValue = null;
         titleKey = null;
         arg0 = null;
         caller = null;
         target = null;
         targetAction = null;
         styleClass = null;
         queryString = null;
     }
 }