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https://issues.apache.org/jira/browse/VELTOOLS-109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nathan Bubna resolved VELTOOLS-109.
-----------------------------------
Resolution: Fixed
Fix Version/s: (was: 1.4)
Ok, DisplayTool (in 2.0) now has a printf(String,Object...) method and extends
LocaleConfig. Thanks for the idea. If we support MessageFormat style, we
might as well support printf.
> A PrinftTool comes in handy. I've one I wish to donate
> -------------------------------------------------------
>
> Key: VELTOOLS-109
> URL: https://issues.apache.org/jira/browse/VELTOOLS-109
> Project: Velocity Tools
> Issue Type: Improvement
> Components: GenericTools
> Affects Versions: 1.4, 2.0
> Environment: JDK 1.5, 6
> Reporter: Ezra Epstein
> Priority: Minor
> Fix For: 2.0
>
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> import java.io.ByteArrayOutputStream;
> import java.io.PrintStream;
> import java.io.PrintWriter;
> import java.io.StringWriter;
> import java.util.List;
> public class PrintfTool extends
> org.apache.velocity.tools.generic.LocaleConfig {
> StringWriter output;
> PrintWriter printer;
> public PrintfTool() {
> output = new StringWriter();
> printer = new PrintWriter(output);
> }
> // Velocity doesn't support invoking with varargs
> private String printf(String format, Object... args) {
> printer.printf(format, args);
> printer.flush();
> output.flush();
> String result = output.toString();
> output.getBuffer().setLength(0);
> return result;
> }
> // Velocity does support invoking with a List of values.
> public String printf(String format, List args) {
> return printf(format, args.toArray());
> }
> // Since value convenience method
> public String printf(String format, Object arg) {
> return printf(format, new Object[] { arg });
> }
> }
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