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: 73   Methods: 1
NCLOC: 24   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
Image.java 50% 81.8% 100% 75%
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.html;
 16   
 17    import org.apache.tapestry.AbstractComponent;
 18    import org.apache.tapestry.IAsset;
 19    import org.apache.tapestry.IMarkupWriter;
 20    import org.apache.tapestry.IRequestCycle;
 21    import org.apache.tapestry.Tapestry;
 22   
 23    /**
 24    * Used to insert an image. To create a rollover image, use the
 25    * {@link Rollover} class, which integrates a link with the image assets
 26    * used with the button.
 27    *
 28    * [<a href="../../../../../ComponentReference/Image.html">Component Reference</a>]
 29    *
 30    *
 31    * @author Howard Lewis Ship
 32    *
 33    **/
 34   
 35    public abstract class Image extends AbstractComponent
 36    {
 37    /**
 38    * Renders the &lt;img&gt; element.
 39    *
 40    *
 41    **/
 42   
 43  10 protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
 44    {
 45    // Doesn't contain a body so no need to do anything on rewind (assumes no
 46    // sideffects to accessor methods via bindings).
 47   
 48  10 if (cycle.isRewinding())
 49  0 return;
 50   
 51  10 IAsset imageAsset = getImage();
 52   
 53  10 if (imageAsset == null)
 54  0 throw Tapestry.createRequiredParameterException(this, "image");
 55   
 56  10 String imageURL = imageAsset.buildURL(cycle);
 57   
 58  10 writer.beginEmpty("img");
 59   
 60  10 writer.attribute("src", imageURL);
 61   
 62  10 writer.attribute("border", getBorder());
 63   
 64  10 renderInformalParameters(writer, cycle);
 65   
 66  10 writer.closeTag();
 67   
 68    }
 69   
 70    public abstract IAsset getImage();
 71   
 72    public abstract int getBorder();
 73    }