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package org.apache.tapestry.binding; |
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import org.apache.hivemind.ApplicationRuntimeException; |
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import org.apache.hivemind.Location; |
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import org.apache.hivemind.util.Defense; |
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import org.apache.tapestry.IComponent; |
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import org.apache.tapestry.coerce.ValueConverter; |
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import org.apache.tapestry.services.ComponentPropertySource; |
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public class MetaBinding extends AbstractBinding |
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{ |
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private final IComponent _component; |
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private final String _key; |
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private final ComponentPropertySource _propertySource; |
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public MetaBinding(String description, ValueConverter valueConverter, Location location, IComponent component, |
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ComponentPropertySource propertySource, String key) |
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{ |
38 | 0 | super(description, valueConverter, location); |
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|
40 | 0 | Defense.notNull(component, "component"); |
41 | 0 | Defense.notNull(propertySource, "propertySource"); |
42 | 0 | Defense.notNull(key, "key"); |
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44 | 0 | _component = component; |
45 | 0 | _key = key; |
46 | 0 | _propertySource = propertySource; |
47 | 0 | } |
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public Object getObject() |
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{ |
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try |
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{ |
53 | 0 | return _propertySource.getComponentProperty(_component, _key); |
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} |
55 | 0 | catch (Exception ex) |
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{ |
57 | 0 | throw new ApplicationRuntimeException(ex.getMessage(), getLocation(), ex); |
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} |
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} |
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public Object getComponent() |
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{ |
63 | 0 | return _component; |
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} |
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public String toString() |
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{ |
68 | 0 | StringBuffer buffer = new StringBuffer("MetaBinding"); |
69 | 0 | buffer.append('['); |
70 | 0 | buffer.append(_component.getExtendedId()); |
71 | 0 | buffer.append(' '); |
72 | 0 | buffer.append(_key); |
73 | 0 | buffer.append(']'); |
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75 | 0 | return buffer.toString(); |
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} |
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} |