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java.lang.Object | +--java.util.Dictionary | +--java.util.Hashtable | +--org.apache.turbine.modules.GenericLoader | +--org.apache.turbine.modules.ScreenLoader
The purpose of this class is to allow one to load and execute Screen modules.
Inner classes inherited from class java.util.Map |
java.util.Map.Entry |
Field Summary | |
private static ScreenLoader |
instance
The single instance of this class. |
Fields inherited from class org.apache.turbine.modules.GenericLoader |
CACHE, reload, TURBINE_PACKAGE |
Fields inherited from class java.util.Hashtable |
count, emptyEnumerator, emptyIterator, ENTRIES, entrySet, KEYS, keySet, loadFactor, modCount, serialVersionUID, table, threshold, values, VALUES |
Constructor Summary | |
private |
ScreenLoader()
These ctor's are private to force clients to use getInstance() to access this class. |
private |
ScreenLoader(int i)
These ctor's are private to force clients to use getInstance() to access this class. |
Method Summary | |
private void |
addInstance(java.lang.String name,
Screen screen)
Adds an instance of an object into the hashtable. |
org.apache.ecs.ConcreteElement |
eval(RunData data,
java.lang.String name)
Attempts to load and execute the external Screen. |
void |
exec(RunData data,
java.lang.String name)
Attempts to load and execute the Screen. |
static ScreenLoader |
getInstance()
The method through which this class is accessed. |
Screen |
getInstance(java.lang.String name)
Pulls out an instance of the object by name. |
Methods inherited from class org.apache.turbine.modules.GenericLoader |
cache, getBasePackage, reload, setReload |
Methods inherited from class java.util.Hashtable |
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Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, registerNatives, wait, wait, wait |
Field Detail |
private static ScreenLoader instance
Constructor Detail |
private ScreenLoader()
private ScreenLoader(int i)
Method Detail |
private void addInstance(java.lang.String name, Screen screen)
name
- Name of object.screen
- Screen to be associated with name.public org.apache.ecs.ConcreteElement eval(RunData data, java.lang.String name) throws java.lang.Exception
data
- Turbine information.name
- Name of object that will execute the screen.java.lang.Exception
- a generic exception.public void exec(RunData data, java.lang.String name) throws java.lang.Exception
exec
in class GenericLoader
data
- Turbine information.name
- Name of object that will execute the screen.java.lang.Exception
- a generic exception.public Screen getInstance(java.lang.String name) throws java.lang.Exception
name
- Name of object instance.java.lang.Exception
- a generic exception.public static ScreenLoader getInstance()
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