114 lines
3.8 KiB
Java
114 lines
3.8 KiB
Java
/*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
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*
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* Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
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* WARRANTY OF ANY KIND, either express or implied. See the License for the specific
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* language governing rights and limitations under the License.
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*
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* The Original Code is the Venice Web Communities System.
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*
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* The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
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* for Silverwrist Design Studios. Portions created by Eric J. Bowersox are
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* Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios. All Rights Reserved.
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*
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* Contributor(s):
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*/
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package com.silverwrist.venice.servlets.format.menus;
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import java.io.Writer;
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import java.io.IOException;
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import org.apache.log4j.*;
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import org.w3c.dom.*;
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import com.silverwrist.util.*;
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import com.silverwrist.venice.except.ConfigException;
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import com.silverwrist.venice.servlets.format.ComponentRender;
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import com.silverwrist.venice.servlets.format.RenderData;
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class ImageItem implements ComponentRender
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{
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/*--------------------------------------------------------------------------------
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* Static data members
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*--------------------------------------------------------------------------------
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*/
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private static Category logger = Category.getInstance(LinkItem.class);
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/*--------------------------------------------------------------------------------
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* Attributes
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*--------------------------------------------------------------------------------
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*/
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private String src;
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private String alt = null;
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private int width;
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private int height;
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private boolean fixup;
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/*--------------------------------------------------------------------------------
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* Constructor
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*--------------------------------------------------------------------------------
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*/
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ImageItem(Element elt) throws ConfigException
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{
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if (!(elt.getNodeName().equals("image")))
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{ // just some shorts-checking here to make sure the element is OK
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logger.fatal("huh?!? this should have been a <image/> if it got here!");
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throw new ConfigException("not a <image/> element");
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} // end if
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// get image source
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DOMElementHelper h = new DOMElementHelper(elt);
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if (h.hasAttribute("src"))
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src = elt.getAttribute("src");
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else
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throw new ConfigException("src= attribute of <image/> element not specified");
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// get the image width
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Integer tmp = h.getAttributeInt("width");
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if (tmp!=null)
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width = tmp.intValue();
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else
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throw new ConfigException("width= attribute of <image/> element not specified or invalid");
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// get the image height
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tmp = h.getAttributeInt("height");
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if (tmp!=null)
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height = tmp.intValue();
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else
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throw new ConfigException("height= attribute of <image/> element not specified or invalid");
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if (h.hasAttribute("alt"))
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alt = elt.getAttribute("alt");
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if (h.hasAttribute("fixup"))
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fixup = true;
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} // end constructor
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/*--------------------------------------------------------------------------------
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* Implementations from interface ComponentRender
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*--------------------------------------------------------------------------------
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*/
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public void renderHere(Writer out, RenderData rdat) throws IOException
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{
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out.write("<IMG SRC=\"");
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if (fixup)
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{ // fix up the image path
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src = rdat.getFullImagePath(src);
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fixup = false;
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} // end if
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out.write(src + "\" WIDTH=" + width + " HEIGHT=" + height);
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if (alt!=null)
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out.write(" ALT=\"" + alt + "\"");
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out.write(" BORDER=0>");
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} // end renderHere
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} // end class ImageItem
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