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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
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ValidatingTextField.java | 0% | 0% | 0% | 0% |
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// Copyright 2004, 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// 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
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package org.apache.tapestry.contrib.valid;
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import org.apache.tapestry.valid.IValidator;
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import org.apache.tapestry.valid.StringValidator;
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import org.apache.tapestry.valid.ValidField;
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/**
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* Backwards compatible version of the 1.0.7 ValidatingTextField component. <table border=1>
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* <tr>
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* <td>Parameter</td>
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* <td>Type</td>
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* <td>Read / Write</td>
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* <td>Required</td>
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* <td>Default</td>
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* <td>Description</td>
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* </tr>
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* <tr>
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* <td>text</td>
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* <td>java.lang.String</td>
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* <td>R / W</td>
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* <td>yes</td>
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* <td> </td>
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* <td>The text inside the text field.
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* <p>
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* When the form is submitted, the binding is only updated if the value is valid.</td>
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* </tr>
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* <tr>
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* <td>minimumLength</td>
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* <td>int</td>
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* <td>R</td>
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* <td>no</td>
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* <td>0</td>
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* <td>The minimum length (number of characters read) for the field. The value provided in the
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* request is trimmed of leading and trailing whitespace.
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* <p>
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* If a field is not required and no value is given, then minimumLength is ignored. Minimum length
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* only applies if <em>some</em> non-null value is given.</td>
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* </tr>
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* <tr>
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* <td>required</td>
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* <td>boolean</td>
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* <td>R</td>
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* <td>no</td>
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* <td>false</td>
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* <td>If true, then a non-null value must be provided. A value consisting only of whitespace is
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* considered null.</td>
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* </tr>
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* <tr>
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* <td>displayName</td>
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* <td>String</td>
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* <td>R</td>
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* <td>yes</td>
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* <td> </td>
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* <td>A textual name for the field that is used when formulating error messages.</td>
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* </tr>
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* </table>
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* <p>
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* May not have a body. May have informal parameters.
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*
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* @author Howard Lewis Ship
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* @since 1.0.8
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* @see org.apache.tapestry.valid.ValidField
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*/
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public abstract class ValidatingTextField extends ValidField |
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{ |
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public abstract int getMinimumLength(); |
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public abstract boolean isRequired(); |
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public abstract String getText();
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public abstract void setText(String value); |
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/*
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* (non-Javadoc)
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*
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* @see org.apache.tapestry.valid.ValidField#getValue()
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*/
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public Object getValue()
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{ |
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return getText();
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.apache.tapestry.valid.ValidField#setValue(java.lang.Object)
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*/
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public void setValue(Object value) |
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{ |
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setText((String) value); |
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} |
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/**
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* Overrides {@link ValidField#getValidator()}to construct a validator on the fly.
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*/
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public IValidator getValidator()
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{ |
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StringValidator validator = new StringValidator();
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if (isParameterBound("required")) |
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validator.setRequired(isRequired()); |
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if (isParameterBound("minimumLength")) |
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validator.setMinimumLength(getMinimumLength()); |
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return validator;
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} |
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} |
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