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.myfaces.tobago.apt.annotation.Tag;
021 import org.apache.myfaces.tobago.apt.annotation.TagAttribute;
022 import org.apache.myfaces.tobago.validator.SubmittedValueLengthValidator;
023
024 import javax.faces.validator.Validator;
025 import javax.faces.webapp.ValidatorTag;
026 import javax.servlet.jsp.JspException;
027
028 /**
029 * Register an SubmittedValueLengthValidator instance on the UIComponent
030 * associated with the closest parent UIComponent custom action.
031 * The standard LengthValidator validate the length on the converted value.toString()
032 * not on the submitted value. Sometime you need to check the length of the submitted value.
033 */
034 @Tag(name = "validateSubmittedValueLength")
035 public class SubmittedValueLengthValidatorTag extends ValidatorTag {
036
037 private static final long serialVersionUID = 6777040780038715924L;
038
039 private String minimum;
040 private String maximum;
041
042 public String getMinimum() {
043 return minimum;
044 }
045
046 @TagAttribute()
047 public void setMinimum(String minimum) {
048 this.minimum = minimum;
049 }
050
051 public String getMaximum() {
052 return maximum;
053 }
054
055 @TagAttribute()
056 public void setMaximum(String maximum) {
057 this.maximum = maximum;
058 }
059
060 protected Validator createValidator() throws JspException {
061 setValidatorId(SubmittedValueLengthValidator.VALIDATOR_ID);
062 SubmittedValueLengthValidator validator = (SubmittedValueLengthValidator) super.createValidator();
063 if (minimum != null) {
064 try {
065 validator.setMinimum(Integer.parseInt(minimum));
066 } catch (NumberFormatException e) {
067 // ignore
068 }
069 }
070 if (maximum != null) {
071 try {
072 validator.setMaximum(Integer.parseInt(maximum));
073 } catch (NumberFormatException e) {
074 // ignore
075 }
076 }
077 return validator;
078 }
079
080
081 public void release() {
082 super.release();
083 minimum = null;
084 maximum = null;
085 }
086 }