Coverage report

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org.apache.commons.jelly.tags.swt.LayoutDataTag
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 1   
 /*
 2   
  * Copyright 2002,2004 The Apache Software Foundation.
 3   
  *
 4   
  * Licensed under the Apache License, Version 2.0 (the "License");
 5   
  * you may not use this file except in compliance with the License.
 6   
  * You may obtain a copy of the License at
 7   
  *
 8   
  *      http://www.apache.org/licenses/LICENSE-2.0
 9   
  *
 10   
  * Unless required by applicable law or agreed to in writing, software
 11   
  * distributed under the License is distributed on an "AS IS" BASIS,
 12   
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13   
  * See the License for the specific language governing permissions and
 14   
  * limitations under the License.
 15   
  */
 16   
 package org.apache.commons.jelly.tags.swt;
 17   
 
 18   
 import java.lang.reflect.Constructor;
 19   
 import java.lang.reflect.InvocationTargetException;
 20   
 import java.util.Map;
 21   
 
 22   
 import org.apache.commons.jelly.JellyTagException;
 23   
 import org.apache.commons.jelly.XMLOutput;
 24   
 import org.apache.commons.logging.Log;
 25   
 import org.apache.commons.logging.LogFactory;
 26   
 import org.eclipse.swt.layout.GridData;
 27   
 import org.eclipse.swt.widgets.Control;
 28   
 import org.eclipse.swt.widgets.Widget;
 29   
 
 30   
 /**
 31   
  * Creates a LayoutData object and sets it on the parent Widget.
 32   
  *
 33   
  * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
 34   
  * @version 1.1
 35   
  */
 36   
 public class LayoutDataTag extends LayoutTagSupport {
 37   
 
 38   
     /** The Log to which logging calls will be made. */
 39  0 
     private static final Log log = LogFactory.getLog(LayoutDataTag.class);
 40   
 
 41   
     public LayoutDataTag(Class layoutDataClass) {
 42  0 
         super(layoutDataClass);
 43  0 
     }
 44   
 
 45   
     // Implementation methods
 46   
     //-------------------------------------------------------------------------
 47   
 
 48   
     /**
 49   
      * Either defines a variable or adds the current component to the parent
 50   
      */
 51   
     protected void processBean(String var, Object bean)
 52   
         throws JellyTagException {
 53  0 
         super.processBean(var, bean);
 54   
 
 55  0 
         Widget parent = getParentWidget();
 56   
 
 57  0 
         if (parent instanceof Control) {
 58  0 
             Control control = (Control) parent;
 59  0 
             control.setLayoutData(getBean());
 60   
         } else {
 61  0 
             throw new JellyTagException("This tag must be nested within a control widget tag");
 62   
         }
 63  0 
     }
 64   
 
 65   
     /**
 66   
      * @see org.apache.commons.jelly.tags.core.UseBeanTag#newInstance(java.lang.Class, java.util.Map, org.apache.commons.jelly.XMLOutput)
 67   
      */
 68   
     protected Object newInstance(
 69   
         Class theClass,
 70   
         Map attributes,
 71   
         XMLOutput output)
 72   
         throws JellyTagException {
 73   
 
 74  0 
         String text = (String) attributes.remove("style");
 75  0 
         if (text != null) {
 76  0 
             int style = SwtHelper.parseStyle(theClass, text);
 77   
 
 78   
             // now lets try invoke a constructor
 79  0 
             Class[] types = { int.class };
 80   
 
 81   
             try {
 82  0 
                 Constructor constructor = theClass.getConstructor(types);
 83  0 
                 if (constructor != null) {
 84  0 
                     Object[] values = { new Integer(style)};
 85  0 
                     return constructor.newInstance(values);
 86   
                 }
 87  0 
             } catch (NoSuchMethodException e) {
 88  0 
                 throw new JellyTagException(e);
 89  0 
             } catch (InstantiationException e) {
 90  0 
                 throw new JellyTagException(e);
 91  0 
             } catch (IllegalAccessException e) {
 92  0 
                 throw new JellyTagException(e);
 93  0 
             } catch (InvocationTargetException e) {
 94  0 
                 throw new JellyTagException(e);
 95  0 
             }
 96   
         }
 97  0 
         return super.newInstance(theClass, attributes, output);
 98   
     }
 99   
 
 100   
     /**
 101   
      * @see org.apache.commons.jelly.tags.swt.LayoutTagSupport#convertValue(java.lang.Object, java.lang.String, java.lang.Object)
 102   
      */
 103   
     protected Object convertValue(Object bean, String name, Object value)
 104   
         throws JellyTagException {
 105   
 
 106  0 
         if (bean instanceof GridData) {
 107  0 
             if (name.endsWith("Alignment") && value instanceof String) {
 108  0 
                 int style =
 109   
                     SwtHelper.parseStyle(bean.getClass(), (String) value);
 110  0 
                 return new Integer(style);
 111   
             }
 112   
         }
 113  0 
         return super.convertValue(bean, name, value);
 114   
     }
 115   
 
 116   
 }

This report is generated by jcoverage, Maven and Maven JCoverage Plugin.