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: 146   Methods: 4
NCLOC: 72   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
ValidField.java 71.4% 87.8% 100% 84.7%
coverage coverage
 1    // Copyright 2004, 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.valid;
 16   
 17    import org.apache.tapestry.IMarkupWriter;
 18    import org.apache.tapestry.IRequestCycle;
 19    import org.apache.tapestry.Tapestry;
 20    import org.apache.tapestry.form.AbstractFormComponent;
 21    import org.apache.tapestry.form.Form;
 22   
 23    /**
 24    * A {@link Form}component that creates a text field that allows for validation of user input and
 25    * conversion between string and object values. [ <a
 26    * href="../../../../../ComponentReference/ValidField.html">Component Reference </a>]
 27    * <p>
 28    * A ValidatingTextField uses an {@link IValidationDelegate} to track errors and an
 29    * {@link IValidator}to convert between strings and objects (as well as perform validations). The
 30    * validation delegate is shared by all validating text fields in a form, the validator may be
 31    * shared my multiple elements as desired.
 32    *
 33    * @author Howard Lewis Ship
 34    */
 35   
 36    public abstract class ValidField extends AbstractFormComponent
 37    {
 38    public abstract boolean isHidden();
 39   
 40    public abstract boolean isDisabled();
 41   
 42    public abstract Object getValue();
 43   
 44    public abstract void setValue(Object value);
 45   
 46    /** Parameter */
 47   
 48    public abstract String getDisplayName();
 49   
 50    /**
 51    * @see org.apache.tapestry.form.AbstractFormComponent#renderFormComponent(org.apache.tapestry.IMarkupWriter,
 52    * org.apache.tapestry.IRequestCycle)
 53    */
 54  4 protected void renderFormComponent(IMarkupWriter writer, IRequestCycle cycle)
 55    {
 56  4 IValidationDelegate delegate = getForm().getDelegate();
 57   
 58  4 delegate.writePrefix(writer, cycle, this, null);
 59   
 60  4 writer.beginEmpty("input");
 61   
 62  4 writer.attribute("type", isHidden() ? "password" : "text");
 63   
 64  4 if (isDisabled())
 65  0 writer.attribute("disabled", "disabled");
 66   
 67  4 writer.attribute("name", getName());
 68   
 69  4 String value = readValue();
 70  4 if (value != null)
 71  3 writer.attribute("value", value);
 72   
 73  4 renderIdAttribute(writer, cycle);
 74   
 75  4 renderInformalParameters(writer, cycle);
 76   
 77  4 delegate.writeAttributes(writer, cycle, this, null);
 78   
 79  4 IValidator validator = getValidator();
 80   
 81  4 if (validator == null)
 82  0 throw Tapestry.createRequiredParameterException(this, "validator");
 83   
 84  4 validator.renderValidatorContribution(this, writer, cycle);
 85   
 86  4 writer.closeTag();
 87   
 88  4 delegate.writeSuffix(writer, cycle, this, null);
 89    }
 90   
 91    /**
 92    * @see org.apache.tapestry.form.AbstractFormComponent#rewindFormComponent(org.apache.tapestry.IMarkupWriter,
 93    * org.apache.tapestry.IRequestCycle)
 94    */
 95  2 protected void rewindFormComponent(IMarkupWriter writer, IRequestCycle cycle)
 96    {
 97  2 String value = cycle.getParameter(getName());
 98   
 99  2 updateValue(value);
 100    }
 101   
 102  4 protected String readValue()
 103    {
 104  4 IValidator validator = getValidator();
 105  4 if (validator == null)
 106  0 throw Tapestry.createRequiredParameterException(this, "validator");
 107   
 108  4 IValidationDelegate delegate = getForm().getDelegate();
 109   
 110  4 if (delegate.isInError())
 111  2 return delegate.getFieldInputValue();
 112   
 113  2 Object value = getValue();
 114   
 115  2 String result = validator.toString(this, value);
 116   
 117  2 return result;
 118    }
 119   
 120  2 protected void updateValue(String value)
 121    {
 122  2 Object objectValue = null;
 123   
 124  2 IValidator validator = getValidator();
 125  2 if (validator == null)
 126  1 throw Tapestry.createRequiredParameterException(this, "validator");
 127   
 128  1 IValidationDelegate delegate = getForm().getDelegate();
 129   
 130  1 delegate.recordFieldInputValue(value);
 131   
 132  1 try
 133    {
 134  1 objectValue = validator.toObject(this, value);
 135    }
 136    catch (ValidatorException ex)
 137    {
 138  0 delegate.record(ex);
 139  0 return;
 140    }
 141   
 142  1 setValue(objectValue);
 143    }
 144   
 145    public abstract IValidator getValidator();
 146    }