Java Doc for IteratorModel.java in  » Template-Engine » freemarker-2.3.10 » freemarker » ext » beans » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Template Engine » freemarker 2.3.10 » freemarker.ext.beans 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   freemarker.ext.beans.BeanModel
      freemarker.ext.beans.IteratorModel

IteratorModel
public class IteratorModel extends BeanModel implements TemplateModelIterator,TemplateCollectionModel(Code)

A class that adds TemplateModelIterator functionality to the Iterator interface implementers.

It differs from the freemarker.template.SimpleCollection in that it inherits from BeanModel , and therefore you can call methods on it directly, even to the effect of calling iterator.remove() in the template.

Using the model as a collection model is NOT thread-safe, as iterators are inherently not thread-safe. Further, you can iterate over it only once. Attempts to call the IteratorModel.iterator() method after it was already driven to the end once will throw an exception.


author:
   Attila Szegedi
version:
   $Id: IteratorModel.java,v 1.26 2003/06/03 13:21:32 szegedia Exp $



Constructor Summary
public  IteratorModel(Iterator iterator, BeansWrapper wrapper)
     Creates a new model that wraps the specified iterator object.
Parameters:
  iterator - the iterator object to wrap into a model.
Parameters:
  wrapper - the BeansWrapper associated with this model.Every model has to have an associated BeansWrapper instance.

Method Summary
public  booleangetAsBoolean()
     Returns Iterator.hasNext .
public  booleanhasNext()
     Calls underlying Iterator.hasNext .
public  TemplateModelIteratoriterator()
     This allows the iterator to be used in a <foreach> block.
public  TemplateModelnext()
     Calls underlying Iterator.next and wraps the result.


Constructor Detail
IteratorModel
public IteratorModel(Iterator iterator, BeansWrapper wrapper)(Code)
Creates a new model that wraps the specified iterator object.
Parameters:
  iterator - the iterator object to wrap into a model.
Parameters:
  wrapper - the BeansWrapper associated with this model.Every model has to have an associated BeansWrapper instance. Themodel gains many attributes from its wrapper, including the caching behavior, method exposure level, method-over-item shadowing policy etc.




Method Detail
getAsBoolean
public boolean getAsBoolean()(Code)
Returns Iterator.hasNext . Therefore, an iterator that has no more element evaluates to false, and an iterator that has further elements evaluates to true.



hasNext
public boolean hasNext()(Code)
Calls underlying Iterator.hasNext .



iterator
public TemplateModelIterator iterator() throws TemplateModelException(Code)
This allows the iterator to be used in a <foreach> block. "this"



next
public TemplateModel next() throws TemplateModelException(Code)
Calls underlying Iterator.next and wraps the result.



Fields inherited from freemarker.ext.beans.BeanModel
final static ModelFactory FACTORY(Code)(Java Doc)
final protected Object object(Code)(Java Doc)
final protected BeansWrapper wrapper(Code)(Java Doc)

Methods inherited from freemarker.ext.beans.BeanModel
public TemplateModel get(String key) throws TemplateModelException(Code)(Java Doc)
public Object getAdaptedObject(Class hint)(Code)(Java Doc)
public Object getWrappedObject()(Code)(Java Doc)
protected boolean hasPlainGetMethod()(Code)(Java Doc)
protected TemplateModel invokeGenericGet(Map keyMap, Class clazz, String key) throws IllegalAccessException, InvocationTargetException, TemplateModelException(Code)(Java Doc)
public boolean isEmpty()(Code)(Java Doc)
protected Set keySet()(Code)(Java Doc)
public TemplateCollectionModel keys()(Code)(Java Doc)
public int size()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
protected Object unwrap(TemplateModel model) throws TemplateModelException(Code)(Java Doc)
public TemplateCollectionModel values() throws TemplateModelException(Code)(Java Doc)
protected TemplateModel wrap(Object obj) throws TemplateModelException(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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