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Posted to dev@velocity.apache.org by "Nathan Bubna (JIRA)" <de...@velocity.apache.org> on 2007/02/24 01:05:05 UTC
[jira] Resolved: (VELOCITY-519) Java escape sequences should work
in Velocity macros
[ https://issues.apache.org/jira/browse/VELOCITY-519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Nathan Bubna resolved VELOCITY-519.
-----------------------------------
Resolution: Won't Fix
Sorry Stepan, VTL (Velocity Template Language) is *not* java, nor do we have any intention of making it so. It is designed to be a simple templating language with a small feature set that is quick for anyone to learn. We have several times in the past debated supporting various escaping schemes in string literal definitions (that's what your example is about, not macros), but the only escaping feature that managed to gather a consensus among the developers was MySQL like quote and double quote escaping and even that has not been added yet. Search the archives for more history on this.
Do your escaping in Java or create a tool (or even a patch for this: http://velocity.apache.org/tools/devel/javadoc/org/apache/velocity/tools/generic/EscapeTool.html) to support doing this within templates.
Personally, the soonest i would be interested in re-opening discussion on escaping within string definitions would be when work has started on Velocity 2.0. Until then, this gets a -1 from me.
> Java escape sequences should work in Velocity macros
> ----------------------------------------------------
>
> Key: VELOCITY-519
> URL: https://issues.apache.org/jira/browse/VELOCITY-519
> Project: Velocity
> Issue Type: New Feature
> Affects Versions: 1.5 beta2
> Reporter: Stepan Koltsov
>
> Following test should work:
> ===
> public void testJavaEscape() throws Exception {
> VelocityEngine ve = new VelocityEngine();
> ve.init();
> Context context = new VelocityContext();
> StringWriter writer = new StringWriter();
> ve.evaluate(context, writer, "test","#set($v = \"\\u0061\")$v");
> assertEquals("a", writer.toString());
> writer = new StringWriter();
> ve.evaluate(context, writer, "test","#set($v = \"\\n\")$v");
> assertEquals("\n", writer.toString());
> }
> ===
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