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java.lang.Object | +--java.util.Dictionary | +--java.util.Hashtable | +--org.apache.turbine.modules.GenericLoader | +--org.apache.turbine.modules.NavigationLoader
The purpose of this class is to allow one to load and execute Navigation modules.
Inner classes inherited from class java.util.Map |
java.util.Map.Entry |
Field Summary | |
private static NavigationLoader |
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 |
NavigationLoader()
These ctor's are private to force clients to use getInstance() to access this class. |
private |
NavigationLoader(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,
Navigation navigation)
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 Navigation. |
void |
exec(RunData data,
java.lang.String name)
Attempts to load and execute the external Navigation. |
static NavigationLoader |
getInstance()
The method through which this class is accessed. |
Navigation |
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 NavigationLoader instance
Constructor Detail |
private NavigationLoader()
private NavigationLoader(int i)
Method Detail |
private void addInstance(java.lang.String name, Navigation navigation)
name
- Name of object.navigation
- Navigation 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 navigation.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 instance.java.lang.Exception
- a generic exception.public Navigation getInstance(java.lang.String name) throws java.lang.Exception
name
- Name of object instance.java.lang.Exception
- a generic exception.public static NavigationLoader getInstance()
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