001 package org.apache.myfaces.tobago.component; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one or more 005 * contributor license agreements. See the NOTICE file distributed with 006 * this work for additional information regarding copyright ownership. 007 * The ASF licenses this file to You under the Apache License, Version 2.0 008 * (the "License"); you may not use this file except in compliance with 009 * the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019 020 import org.apache.commons.logging.Log; 021 import org.apache.commons.logging.LogFactory; 022 import org.apache.myfaces.tobago.TobagoConstants; 023 024 import javax.faces.component.UIComponent; 025 import javax.faces.component.UIOutput; 026 import javax.faces.context.FacesContext; 027 import java.io.IOException; 028 029 public class UILabel extends UIOutput { 030 031 private static final Log LOG = LogFactory.getLog(UILabel.class); 032 033 public static final String COMPONENT_TYPE = "org.apache.myfaces.tobago.Label"; 034 035 @Override 036 public void encodeBegin(FacesContext facesContext) throws IOException { 037 String forComponent = (String) getAttributes().get(TobagoConstants.ATTR_FOR); 038 if (LOG.isDebugEnabled()) { 039 LOG.debug("for = '" + forComponent + "'"); 040 } 041 if ("@auto".equals(forComponent)) { 042 for(Object object : getParent().getChildren()) { 043 UIComponent child = (UIComponent) object; 044 if (child instanceof javax.faces.component.UIInput) { 045 forComponent = child.getId(); 046 getAttributes().put(TobagoConstants.ATTR_FOR, forComponent); 047 break; 048 } 049 } 050 } 051 052 super.encodeBegin(facesContext); 053 } 054 055 }