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java.lang.Object | +--org.apache.velocity.runtime.resource.Resource | +--org.apache.velocity.Template
This class is used for controlling all template operations. This class uses a parser created by JavaCC to create an AST that is subsequently traversed by a Visitor.
Template template = Velocity.getTemplate("test.wm"); Context context = new VelocityContext(); context.put("foo", "bar"); context.put("customer", new Customer()); template.merge(context, writer);
Field Summary | |
private java.lang.Exception |
errorCondition
|
private boolean |
initialized
To keep track of whether this template has been initialized. |
Fields inherited from class org.apache.velocity.runtime.resource.Resource |
data, encoding, lastModified, MILLIS_PER_SECOND, modificationCheckInterval, name, nextCheck, resourceLoader, rsvc |
Constructor Summary | |
Template()
Default constructor |
Method Summary | |
void |
initDocument()
initializes the document. |
void |
merge(Context context,
java.io.Writer writer)
The AST node structure is merged with the context to produce the final output. |
boolean |
process()
gets the named resource as a stream, parses and inits |
Methods inherited from class org.apache.velocity.runtime.resource.Resource |
getData, getEncoding, getLastModified, getName, getResourceLoader, isSourceModified, requiresChecking, setData, setEncoding, setLastModified, setModificationCheckInterval, setName, setResourceLoader, setRuntimeServices, touch |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
private boolean initialized
private java.lang.Exception errorCondition
Constructor Detail |
public Template()
Method Detail |
public boolean process() throws ResourceNotFoundException, ParseErrorException, java.lang.Exception
process
in class Resource
ResourceNotFoundException
- if template not found
from any available source.
ParseErrorException
- if template cannot be parsed due
to syntax (or other) error.
java.lang.Exception
- some other problem, should only be from
initialization of the template AST.public void initDocument() throws java.lang.Exception
java.lang.Exception
public void merge(Context context, java.io.Writer writer) throws ResourceNotFoundException, ParseErrorException, MethodInvocationException, java.lang.Exception
context
- Conext with data elements accessed by templatewriter
- output writer for rendered template
ResourceNotFoundException
- if template not found
from any available source.
ParseErrorException
- if template cannot be parsed due
to syntax (or other) error.
java.lang.Exception
- anything else.
MethodInvocationException
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