geirm 01/04/06 04:25:53
Added: whiteboard/geir/listener EventCartridge.java
EventHandler.java NullReferenceEventHandler.java
NullSetEventHandler.java
ReferenceInsertionEventHandler.java Test.java
listener.vm
Log:
Interesting parts of the listener impl for comments
Revision Changes Path
1.1 jakarta-velocity/whiteboard/geir/listener/EventCartridge.java
Index: EventCartridge.java
===================================================================
package org.apache.velocity.context;
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Velocity", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import org.apache.velocity.context.InternalHousekeepingContext;
import org.apache.velocity.context.Context;
import java.util.ArrayList;
/**
* 'Package' of event handlers...
*
* @author <a href="mailto:[EMAIL PROTECTED]">Geir Magnusson Jr.</a>
* @version $Id: EventCartridge.java,v 1.1 2001/04/06 11:25:52 geirm Exp $
*/
public class EventCartridge
{
private ArrayList riehList = null;
private Object[] riehArr = null;
private ArrayList nsehList = null;
private Object[] nsehArr = null;
private ArrayList nrehList = null;
private Object[] nrehArr = null;
/**
* called by client to add an event handler. For multiple
* calls with the same type, they stack and are called
* in sequence when invoked
*/
public boolean addEventHandler( EventHandler ev )
throws Exception
{
if (ev == null)
{
return false;
}
boolean found = false;
if ( ev instanceof ReferenceInsertionEventHandler)
{
/*
* if we don't have one, make one
*/
if ( riehList == null)
{
riehList = new ArrayList();
}
/*
* add to end
*/
riehList.add( ev );
riehArr = riehList.toArray();
found = true;
}
if ( ev instanceof NullReferenceEventHandler )
{
/*
* if we don't have one, make one
*/
if ( nrehList == null)
{
nrehList = new ArrayList();
}
/*
* add to end
*/
nrehList.add( ev );
nrehArr = nrehList.toArray();
found = true;
}
if ( ev instanceof NullSetEventHandler )
{
/*
* if we don't have one, make one
*/
if ( nsehList == null)
{
nsehList = new ArrayList();
}
/*
* add to end
*/
nsehList.add( ev );
nsehArr = nsehList.toArray();
found = true;
}
if(!found)
{
/*
* guess we don't support that kind of event handler
*/
throw new Exception("Unsupported handler class : " + ev.getClass());
}
return true;
}
public Object[] getReferenceInsertionHandlerArray()
{
return riehArr;
}
public Object[] getNullReferenceHandlerArray()
{
return nrehArr;
}
public Object[] getNullSetEventHandlerArray()
{
return nsehArr;
}
public boolean attachToContext( Context context )
{
if ( context instanceof InternalHousekeepingContext )
{
InternalHousekeepingContext icb = (InternalHousekeepingContext) context;
icb.attachEventCartridge( this );
return true;
}
else
{
return false;
}
}
}
1.1 jakarta-velocity/whiteboard/geir/listener/EventHandler.java
Index: EventHandler.java
===================================================================
package org.apache.velocity.context;
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Velocity", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/**
* Base interface for all event handlers
*
* @author <a href="mailto:[EMAIL PROTECTED]">Geir Magnusson Jr.</a>
* @version $Id: EventHandler.java,v 1.1 2001/04/06 11:25:52 geirm Exp $
*/
public interface EventHandler
{
}
1.1
jakarta-velocity/whiteboard/geir/listener/NullReferenceEventHandler.java
Index: NullReferenceEventHandler.java
===================================================================
package org.apache.velocity.context;
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Velocity", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/**
* Reference 'null reference' event handler. Called when
* a non-quiet reference ($foo vs $!foo) is null (not in the
* Context), which would result in '$foo' being rendered.
*
* Please return what you want rendered into the output stream.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Geir Magnusson Jr.</a>
* @version $Id: NullReferenceEventHandler.java,v 1.1 2001/04/06 11:25:52 geirm Exp $
*/
public interface NullReferenceEventHandler extends EventHandler
{
public String nullReferenceRender( String reference );
}
1.1
jakarta-velocity/whiteboard/geir/listener/NullSetEventHandler.java
Index: NullSetEventHandler.java
===================================================================
package org.apache.velocity.context;
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Velocity", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/**
* Called when the RHS of a #set() is null
*
* Please return what you want rendered into the output stream.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Geir Magnusson Jr.</a>
* @version $Id: NullSetEventHandler.java,v 1.1 2001/04/06 11:25:52 geirm Exp $
*/
public interface NullSetEventHandler extends EventHandler
{
public boolean nullSetLogMessage( String reference );
}
1.1
jakarta-velocity/whiteboard/geir/listener/ReferenceInsertionEventHandler.java
Index: ReferenceInsertionEventHandler.java
===================================================================
package org.apache.velocity.context;
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Velocity", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/**
* Reference 'Stream insertion' event handler. Called with object
* that will be inserted into stream via value.toString().
*
* Please return an Object that will toString() nicely :)
*
* @author <a href="mailto:[EMAIL PROTECTED]">Geir Magnusson Jr.</a>
* @version $Id: ReferenceInsertionEventHandler.java,v 1.1 2001/04/06 11:25:52 geirm
Exp $
*/
public interface ReferenceInsertionEventHandler extends EventHandler
{
public Object referenceInsert( String reference, Object value );
}
1.1 jakarta-velocity/whiteboard/geir/listener/Test.java
Index: Test.java
===================================================================
package org.apache.velocity.test.misc;
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Velocity", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.HashMap;
import java.util.Properties;
import java.util.Stack;
import java.util.Vector;
import java.util.Enumeration;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.Template;
import org.apache.velocity.app.FieldMethodizer;
import org.apache.velocity.app.Velocity;
import org.apache.velocity.exception.ParseErrorException;
import org.apache.velocity.exception.ResourceNotFoundException;
import org.apache.velocity.runtime.Runtime;
import org.apache.velocity.test.provider.TestProvider;
import org.apache.velocity.context.EventCartridge;
import org.apache.velocity.context.ReferenceInsertionEventHandler;
import org.apache.velocity.context.NullSetEventHandler;
import org.apache.velocity.context.NullReferenceEventHandler;
import org.apache.velocity.context.Context;
//import org.apache.velocity.runtime.log.SimpleLogSystem;
/**
* This class the testbed for Velocity. It is used to
* test all the directives support by Velocity.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Jason van Zyl</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Geir Magnusson Jr.</a>
* @version $Id: Test.java,v 1.1 2001/04/06 11:25:52 geirm Exp $
*/
public class Test implements ReferenceInsertionEventHandler,
NullSetEventHandler,NullReferenceEventHandler
{
/**
* Cache of writers
*/
private static Stack writerStack = new Stack();
public Test(String templateFile)
{
Writer writer = null;
TestProvider provider = new TestProvider();
ArrayList al = provider.getCustomers();
Hashtable h = new Hashtable();
/*
* put this in to test introspection $h.Bar or $h.get("Bar") etc
*/
h.put("Bar", "this is from a hashtable!");
h.put("Foo", "this is from a hashtable too!");
/*
* adding simple vector with strings for testing late introspection stuff
*/
Vector v = new Vector();
v.addElement( new String("hello") );
v.addElement( new String("hello2") );
try
{
/*
* this is another way to do properties when initializing Runtime.
* make a Properties
*/
Properties p = new Properties();
/*
* now, if you want to, load it from a file (or whatever)
*/
try
{
FileInputStream fis = new FileInputStream(
new File("velocity.properties" ));
if( fis != null)
p.load( fis );
}
catch (Exception ex)
{
/* no worries. no file... */
}
/*
* iterate out the properties
*/
for( Enumeration e = p.propertyNames(); e.hasMoreElements(); )
{
String el = (String) e.nextElement();
Velocity.setProperty( el, p.getProperty( el ) );
}
/*
* add some individual properties if you wish
*/
Velocity.setProperty(Velocity.RUNTIME_LOG_ERROR_STACKTRACE, "true");
Velocity.setProperty(Velocity.RUNTIME_LOG_WARN_STACKTRACE, "true");
Velocity.setProperty(Velocity.RUNTIME_LOG_INFO_STACKTRACE, "true");
/*
* use an alternative logger. Set it up here and pass it in.
*/
// SimpleLogSystem sls = new
SimpleLogSystem("velocity_simple.log");
// Velocity.setProperty(Velocity.RUNTIME_LOG_LOGSYSTEM, sls );
/*
* and now call init
*/
Velocity.init();
/*
* now, do what we want to do. First, get the Template
*/
if (templateFile == null)
{
templateFile = "examples/example.vm";
}
Template template = null;
try
{
template = Runtime.getTemplate(templateFile);
}
catch( ResourceNotFoundException rnfe )
{
System.out.println("Test : RNFE : Cannot find template " +
templateFile );
}
catch( ParseErrorException pee )
{
System.out.println("Test : Syntax error in template " + templateFile
+ ":" + pee );
}
/*
* now, make a Context object and populate it.
*/
VelocityContext context = new VelocityContext();
context.put("provider", provider);
context.put("name", "jason");
context.put("providers", provider.getCustomers2());
context.put("list", al);
context.put("hashtable", h);
context.put("search", provider.getSearch());
context.put("relatedSearches", provider.getRelSearches());
context.put("searchResults", provider.getRelSearches());
context.put("menu", provider.getMenu());
context.put("stringarray", provider.getArray());
context.put("vector", v);
context.put("mystring", new String());
context.put("hashmap", new HashMap() );
context.put("runtime", new FieldMethodizer(
"org.apache.velocity.runtime.Runtime" ));
context.put("fmprov", new FieldMethodizer( provider ));
context.put("Floog", "floogie woogie");
/*
* we want to make sure we test all types of iterative objects
* in #foreach()
*/
Object[] oarr = { "a","b","c","d" } ;
context.put( "collection", v );
context.put("iterator", v.iterator());
context.put("map", h );
context.put("obarr", oarr );
String stest = " My name is $name -> $Floog";
StringWriter w = new StringWriter();
Velocity.evaluate( context, w, "evaltest",stest );
// System.out.println("Eval = " + w );
w = new StringWriter();
//Velocity.mergeTemplate( "mergethis.vm", context, w );
//System.out.println("Merge = " + w );
w = new StringWriter();
//Velocity.invokeVelocimacro( "floog", "test", new String[2], context,
w );
//System.out.println("Invoke = " + w );
EventCartridge ec = new EventCartridge();
ec.addEventHandler(this);
ec.attachToContext( context );
/*
* make a writer, and merge the template 'against' the context
*/
if( template != null)
{
writer = new BufferedWriter(new OutputStreamWriter(System.out));
template.merge( context , writer);
writer.flush();
writer.close();
}
}
catch( Exception e )
{
Runtime.error(e);
e.printStackTrace( System.out );
}
}
public String nullReferenceRender( String reference )
{
if( reference.equals("$gloppy"))
return "";
return reference;
}
public Object referenceInsert( String reference, Object value )
{
System.out.println("Woo! referenceInsert : " + reference + " = " +
value.toString() );
return value;
}
public boolean nullSetLogMessage( String reference )
{
System.out.println("Woo2! nullSetLogMessage : " + reference);
if (reference.equals("$woogie"))
return false;
return true;
}
public static void main(String[] args)
{
Test t;
t = new Test(args[0]);
}
}
1.1 jakarta-velocity/whiteboard/geir/listener/listener.vm
Index: listener.vm
===================================================================
#set($foo = "geir")
#set($lala = $bar)
#set($woogie = $bar)
#set($dod = $bar)
$foo
$lala
$gloppy
$woogie
