Java tutorial
/* ========================================================================== * Copyright 2002-2005 Cyclops Group Community * * Licensed under the Open Software License, Version 2.1 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://opensource.org/licenses/osl-2.1.php * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ========================================================================= */ package com.cyclopsgroup.waterview.core.taglib; import org.apache.commons.jelly.JellyTagException; import org.apache.commons.jelly.XMLOutput; import com.cyclopsgroup.waterview.spi.LookAndFeelService; import com.cyclopsgroup.waterview.spi.Page; import com.cyclopsgroup.waterview.spi.Theme; import com.cyclopsgroup.waterview.spi.taglib.TagSupport; /** * Default layout definition tag * * @author <a href="mailto:jiaqi.guo@gmail.com">Jiaqi Guo </a> */ public class DefaultLayoutTag extends TagSupport { /** * Overwrite or implement method processTag() * * @see com.cyclopsgroup.waterview.utils.TagSupportBase#processTag(org.apache.commons.jelly.XMLOutput) */ public void processTag(XMLOutput output) throws Exception { Page page = (Page) context.getVariable(Page.NAME); if (page == null) { throw new JellyTagException("JellyLayout must be in a page"); } LookAndFeelService tm = (LookAndFeelService) getServiceManager().lookup(LookAndFeelService.ROLE); Theme theme = tm.getRuntimeTheme(getRuntimeData()); page.setLayout(theme.getLayout(Theme.LAYOUT_FOR_DEFAULT)); } }