001 package org.apache.myfaces.tobago.taglib.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.lang.StringUtils; 021 import org.apache.myfaces.tobago.apt.annotation.Tag; 022 import org.apache.myfaces.tobago.apt.annotation.TagAttribute; 023 import org.apache.myfaces.tobago.validator.FileItemValidator; 024 025 import javax.faces.webapp.ValidatorTag; 026 import javax.faces.validator.Validator; 027 import javax.servlet.jsp.JspException; 028 029 /* 030 * Date: Oct 30, 2006 031 * Time: 11:07:35 PM 032 */ 033 034 /** 035 * Register an FileItemValidator instance on the UIComponent 036 * associated with the closest parent UIComponent custom action. 037 */ 038 @Tag(name = "validateFileItem") 039 public class FileItemValidatorTag extends ValidatorTag { 040 041 private static final long serialVersionUID = -1461244883146997440L; 042 043 private String maxSize; 044 private String contentType; 045 046 public String getMaxSize() { 047 return maxSize; 048 } 049 050 @TagAttribute() 051 public void setMaxSize(String maxSize) { 052 this.maxSize = maxSize; 053 } 054 055 public String getContentType() { 056 return contentType; 057 } 058 059 @TagAttribute() 060 public void setContentType(String contentType) { 061 this.contentType = contentType; 062 } 063 064 protected Validator createValidator() throws JspException { 065 setValidatorId(FileItemValidator.VALIDATOR_ID); 066 FileItemValidator validator = (FileItemValidator) super.createValidator(); 067 068 if (maxSize != null) { 069 try { 070 validator.setMaxSize(Integer.parseInt(maxSize)); 071 } catch (NumberFormatException e) { 072 // ignore 073 } 074 } 075 if (contentType != null) { 076 validator.setContentType(StringUtils.split(contentType, ", ")); 077 } 078 return validator; 079 } 080 081 082 public void release() { 083 super.release(); 084 maxSize = null; 085 contentType = null; 086 } 087 088 }