Clover coverage report - Code Coverage for tapestry release 4.0-beta-2
Coverage timestamp: Sat Jul 9 2005 22:02:17 EDT
file stats: LOC: 56   Methods: 0
NCLOC: 7   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
ValidatorFactory.java - - - -
coverage
 1    // Copyright 2005 The Apache Software Foundation
 2    //
 3    // Licensed under the Apache License, Version 2.0 (the "License");
 4    // you may not use this file except in compliance with the License.
 5    // You may obtain a copy of the License at
 6    //
 7    // http://www.apache.org/licenses/LICENSE-2.0
 8    //
 9    // Unless required by applicable law or agreed to in writing, software
 10    // distributed under the License is distributed on an "AS IS" BASIS,
 11    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12    // See the License for the specific language governing permissions and
 13    // limitations under the License.
 14   
 15    package org.apache.tapestry.form.validator;
 16   
 17    import java.util.List;
 18   
 19    import org.apache.tapestry.IComponent;
 20   
 21    /**
 22    * Constructs {@link org.apache.tapestry.form.validator.Validator} instances from a specification. A
 23    * specification is a comma-seperated list of entries. Each entry is in one of the following forms:
 24    * <ul>
 25    * <li><em>name</em>
 26    * <li><em>name</em>=<em>value</em>
 27    * <li><em>name[<em>message</em>]</em>
 28    * <li><em>name</em>=<em>value</em>[<em>message</em>]
 29    * </ul>
 30    * <p>
 31    * Most validator classes are <em>configurable</em>: they have a property that matches their
 32    * name. For example, {@link org.apache.tapestry.form.validator.MinDate} (which is named "minDate"
 33    * has a <code>minDate</code> property. A few validators are not configurable ("required" =>
 34    * {@link org.apache.tapestry.form.validator.Required}, for example).
 35    * <p>
 36    * Validators are expected to have a public no-args constructor. They are also expected to have a
 37    * <code>message</code> property which is set from the value in brackets.
 38    * <p>
 39    * A full validator specification might be:
 40    * <code>required,email,minLength=20[Email addresses must be at least 20 characters long.]
 41    *
 42    * @author Howard Lewis Ship
 43    * @since 4.0
 44    */
 45    public interface ValidatorFactory
 46    {
 47    /**
 48    * Constructs a new (immutable) List of {@link Validator}, or returns a previously constructed
 49    * List.
 50    *
 51    * @param specification
 52    * a string identifying which validators and their configuration
 53    * @return List of {@link Validator} (possibly empty)
 54    */
 55    public List constructValidatorList(String specification);
 56    }