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Updated to use the new LogChute Velocity logging wrapper and added a method to

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create an engine that loads templates from a specified path instead of from the
classpath.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@1740 6335cc39-0255-0410-8fd6-9bcaacd3b74c
This commit is contained in:
mdb
2005-12-09 01:29:55 +00:00
parent d78f6b6021
commit 1c30a9c3dc
1 changed files with 44 additions and 16 deletions
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projects/samskivert/src/java/com/samskivert/velocity/VelocityUtil.java
+44 -16
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@@ -3,31 +3,34 @@
package com.samskivert.velocity;
import java.io.File;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.runtime.RuntimeServices;
import org.apache.velocity.runtime.log.LogSystem;
import org.apache.velocity.runtime.log.LogChute;
import org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader;
import com.samskivert.Log;
/**
* Handy Velocity-related routines.
*/
public class VelocityUtil
{
/**
* Creates a {@link VelocityEngine} that is configured to load
* templates from the classpath and log using the samskivert logging
* classes and not complain about a bunch of pointless stuff that it
* generally complains about.
* Creates a {@link VelocityEngine} that is configured to load templates
* from the classpath and log using the samskivert logging classes and not
* complain about a bunch of pointless stuff that it generally complains
* about.
*
* @throws Exception if a problem occurs initializing Velocity. We'd
* throw something less generic, but that's what
* {@link VelocityEngine#init} throws.
* @throws Exception if a problem occurs initializing Velocity. We'd throw
* something less generic, but that's what {@link VelocityEngine#init}
* throws.
*/
public static VelocityEngine createEngine ()
throws Exception
{
// initialize velocity which we'll use for templating
VelocityEngine ve = new VelocityEngine();
ve.setProperty(VelocityEngine.VM_LIBRARY, "");
ve.setProperty(VelocityEngine.RESOURCE_LOADER, "classpath");
@@ -38,16 +41,41 @@ public class VelocityUtil
return ve;
}
/**
* Creates a {@link VelocityEngine} that is configured to load templates
* from the specified path and log using the samskivert logging classes and
* not complain about a bunch of pointless stuff that it generally
* complains about.
*
* @throws Exception if a problem occurs initializing Velocity. We'd throw
* something less generic, but that's what {@link VelocityEngine#init}
* throws.
*/
public static VelocityEngine createEngine (File templatePath)
throws Exception
{
VelocityEngine ve = new VelocityEngine();
ve.setProperty(VelocityEngine.VM_LIBRARY, "");
ve.setProperty("file.resource.loader.path", templatePath);
ve.setProperty(VelocityEngine.RUNTIME_LOG_LOGSYSTEM, _logger);
ve.init();
return ve;
}
/** Handles logging for Velocity. */
protected static LogSystem _logger = new LogSystem() {
public void init (RuntimeServices rs) {
protected static LogChute _logger = new LogChute() {
public void init (RuntimeServices rs) throws Exception {
// nothing doing
}
public void logVelocityMessage (int level, String message) {
// skip anything other than warnings or errors
if (level == WARN_ID || level == ERROR_ID) {
System.err.println(message);
}
public void log (int level, String message) {
Log.warning(message);
}
public void log (int level, String message, Throwable t) {
Log.warning(message);
Log.logStackTrace(t);
}
public boolean isLevelEnabled (int level) {
return (level == WARN_ID || level == ERROR_ID);
}
};
}