| java.lang.Object
 pnuts.lang.Configuration
All known Subclasses: pnuts.lang.JavaBeansConfiguration, pnuts.ext.ConfigurationAdapter,
| Configuration | | abstract public class Configuration implements Serializable(Code) | | This class defines the interface of runtime configuration, such as how to
find method/field candidates, how to get the field value, how to get indexed
elements, and so on.
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| Method Summary | |
| synchronized Constructor[] | _getConstructors(Class cls)
| | synchronized Method[] | _getMethods(Class cls, String name)
| | abstract public Object | callConstructor(Context context, Class c, Object[] args, Class[] types)
| | abstract public Object | callMethod(Context context, Class c, String name, Object args, Class types, Object target)
| | public List | createList()
| | public Map | createMap(int size, Context context)
Create a new Map object that corresponds to {key=>value} expression. | | public String | formatObject(Object obj)
Defines how objects are printed in the interactive shell. | | abstract public Constructor[] | getConstructors(Class cls)
Get all public constructors of the specified class. | | public static Configuration | getDefault()
Returns the default Configuration object. | | static Configuration | getDefault(Properties properties)
| | protected String[] | getDefaultImports()
| | abstract public Object | getElement(Context context, Object target, Object key)
| | abstract public Object | getField(Context context, Object target, String name)
Gets a field value of the target object. | | protected ClassLoader | getInitialClassLoader()
| | static Configuration | getInstance(String className)
| | abstract public Method[] | getMethods(Class cls)
Get all public methods of the specified class. | | abstract public Object | getRange(Context context, Object target, Object idx1, Object idx2)
Defines the semantices of an expression like:
target[idx1..idx2]
Parameters:
context - the context
Parameters:
target - the target object
Parameters:
idx1 - the start index
Parameters:
idx2 - the end index. | | abstract public Object | getStaticField(Context context, Class clazz, String name)
Get the value of a static field. | | public Object | handleUndefinedSymbol(String symbol, Context context)
Handle an "not.defined" error
This method can be redefined by a subclass so that a special value (e.g. | | protected void | initializeOperators()
| | protected static Object | invokeMethod(Context context, Class c, String name, Object args, Class types, Object target)
| | BigDecimal | longToBigDecimal(long lval)
| | public Object | makeArray(Object[] parameters, Context context)
Return the value of an array expression. | | abstract public void | putField(Context context, Object target, String name, Object value)
Sets a field value of the specified object. | | abstract public void | putStaticField(Context context, Class clazz, String name, Object value)
Sets a value to the static field of the specified class. | | Object | reInvoke(IllegalAccessException t, Method method, Object target, Object[] args)
| | void | replace(StringBuffer buf, int start, int end, String str)
| | abstract public void | setElement(Context context, Object target, Object key, Object value)
| | abstract public Object | setRange(Context context, Object target, Object idx1, Object idx2, Object value)
Defines the semantices of an expression like:
target[idx1..idx2] = value
Parameters:
context - the context in which the assignment is done
Parameters:
target - the target object
Parameters:
idx1 - the start index
Parameters:
idx2 - the end index. | | abstract public Callable | toCallable(Object obj)
Convert an object to Callable. | | abstract public Enumeration | toEnumeration(Object obj)
Convert an object to Enumeration. |
| normalConfiguration | | final protected static Configuration normalConfiguration(Code) | | The normal configuration, which is the fall-back of the default
configuration.
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| serialVersionUID | | final static long serialVersionUID(Code) | | |
| Configuration | | public Configuration()(Code) | | |
| callConstructor | | abstract public Object callConstructor(Context context, Class c, Object[] args, Class[] types)(Code) | | Calls a constructor
Parameters:
context - the context
Parameters:
c - class of the constructor
Parameters:
args - the arguments
Parameters:
types - type information of each arguments the result |
| callMethod | | abstract public Object callMethod(Context context, Class c, String name, Object args, Class types, Object target)(Code) | | Calls a method
Parameters:
context - the contexct
Parameters:
c - the class of the method
Parameters:
name - the name of the method
Parameters:
args - arguments
Parameters:
types - type information of each arguments
Parameters:
target - the target object of the method call the result of the method call |
| createMap | | public Map createMap(int size, Context context)(Code) | | Create a new Map object that corresponds to {key=>value} expression.
Parameters:
size - the map size a new Map object |
| formatObject | | public String formatObject(Object obj)(Code) | | Defines how objects are printed in the interactive shell.
Parameters:
obj - the target object to print the string representation of the target object |
| getConstructors | | abstract public Constructor[] getConstructors(Class cls)(Code) | | Get all public constructors of the specified class.
Parameters:
cls - the class an array of Constructor objects |
| getDefault | | public static Configuration getDefault()(Code) | | Returns the default Configuration object.
the current default configuration |
| getDefaultImports | | protected String[] getDefaultImports()(Code) | | Subclasses may redefines default imports
an array of imported classes, package, or statics |
| getElement | | abstract public Object getElement(Context context, Object target, Object key)(Code) | | Gets an array element
Parameters:
context - the context
Parameters:
target - the target object (an array)
Parameters:
key - the key or the index of the element the value of the element |
| getField | | abstract public Object getField(Context context, Object target, String name)(Code) | | Gets a field value of the target object.
Parameters:
context - the context in which the field is read
Parameters:
target - the target object
Parameters:
name - the field name the field value |
| getMethods | | abstract public Method[] getMethods(Class cls)(Code) | | Get all public methods of the specified class.
Parameters:
cls - the class an array of Method objects |
| getRange | | abstract public Object getRange(Context context, Object target, Object idx1, Object idx2)(Code) | | Defines the semantices of an expression like:
target[idx1..idx2]
Parameters:
context - the context
Parameters:
target - the target object
Parameters:
idx1 - the start index
Parameters:
idx2 - the end index. null in idx2 means open-ended. the result |
| getStaticField | | abstract public Object getStaticField(Context context, Class clazz, String name)(Code) | | Get the value of a static field.
Parameters:
context - the context in which the field is accessed
Parameters:
clazz - the class in which the static field is defined
Parameters:
name - the name of the static field the value |
| handleUndefinedSymbol | | public Object handleUndefinedSymbol(String symbol, Context context)(Code) | | Handle an "not.defined" error
This method can be redefined by a subclass so that a special value (e.g.
null) is returned when undefined symbol is referenced.
Parameters:
symbol - the undefined symbol
Parameters:
context - the context in which the symbol is referenced the value to be returned |
| initializeOperators | | protected void initializeOperators()(Code) | | |
| makeArray | | public Object makeArray(Object[] parameters, Context context)(Code) | | Return the value of an array expression. e.g. [a,b,c] {1,2,3}
This method can be redefined by a subclass so that array expression
returns different type of object, such as java.util.List.
Parameters:
parameters - the elements in the array expression the value of the array expression |
| putField | | abstract public void putField(Context context, Object target, String name, Object value)(Code) | | Sets a field value of the specified object.
Parameters:
context - the context in which the field is written.
Parameters:
target - the target object
Parameters:
name - the field name
Parameters:
value - the field value |
| putStaticField | | abstract public void putStaticField(Context context, Class clazz, String name, Object value)(Code) | | Sets a value to the static field of the specified class.
Parameters:
context - the context in which the field is written.
Parameters:
clazz - the class in which the static field is defined
Parameters:
name - the field name
Parameters:
value - the field value |
| setElement | | abstract public void setElement(Context context, Object target, Object key, Object value)(Code) | | Sets an element
Parameters:
context - the context
Parameters:
target - the target object (an array)
Parameters:
key - the key or the index of the element
Parameters:
value - the new value of the element |
| setRange | | abstract public Object setRange(Context context, Object target, Object idx1, Object idx2, Object value)(Code) | | Defines the semantices of an expression like:
target[idx1..idx2] = value
Parameters:
context - the context in which the assignment is done
Parameters:
target - the target object
Parameters:
idx1 - the start index
Parameters:
idx2 - the end index. null in idx2 means open-ended.
Parameters:
value - the new value of the indexed element the result |
| toCallable | | abstract public Callable toCallable(Object obj)(Code) | | Convert an object to Callable. This method is used by call expression, e.g. obj(arg1, ...).
Subclasses can override this method to register custom callable objects.
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| toEnumeration | | abstract public Enumeration toEnumeration(Object obj)(Code) | | Convert an object to Enumeration. This method is used by foreach
statements. Subclasses can override this method to customize the behavior
of foreach statements.
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