apache-velocity | 易学教程

Velocity upgrade from 1.7 to 2.0

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问题 I am trying to migrate from velocity 1.7 where I use LogChute interface. In my current implementation I have used the log method to get the velocity log level and comparing our own log level. Please see the code below. @Override public void log(int level, String message) { LogLevel projLevel = null; switch ( level ) { case LogChute.DEBUG_ID: projLevel = LogLevel.DEBUG ; break ; case LogChute.INFO_ID: projLevel = LogLevel.INFO ; break ; case LogChute.WARN_ID: projLevel = LogLevel.WARNING ;

Velocity Template Language: How to import EscapeTool

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问题 I am trying to use unurl for my mapping template. $url -> hello here & there $esc.url($url) -> hello+here+%26+there $esc.unurl($esc.url($url)) -> hello here & there I wrote the following mapping template, but $esc.unurl([...]) doesn't work. I couldn't figure out how to fix it. One reason might be that I am missing an import, but I don't know how to import the EscapeTool properly. #set($httpPost = $input.path('$').split("&")) { #foreach( $kvPair in $httpPost ) #set($kvTokenised = $kvPair.split

Apache Velocity 2.0 Scripting Compilable not working

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问题 I'm trying to check velocity scripting engine 2.0 which Provide JSR 223 implementation and support of Compilable the Compilable interface has been implemented in the process. I use jars: velocity-engine-scripting-2.0.jar, velocity-1.7.jar, commons-collections-3.2.2.jar from previous answer I use the following code //class org.apache.velocity.script.VelocityScriptEngine final ScriptEngine engine = engineFactory.getScriptEngine(); if (engine instanceof Compilable) { try { ((Compilable) engine)

org.apache.velocity.exception.ResourceNotFoundException: Unable to find resource 'templates/email/test.vm'

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问题 My code as follow. VelocityEngine ve = new VelocityEngine(); ve.setProperty(RuntimeConstants.RESOURCE_LOADER, "class"); ve.setProperty("class.resource.loader.class", "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader"); ve.init(); Template tempalte = ve.getTemplate("templates/email/test.vm"); I am getting following error. org.apache.velocity.exception.ResourceNotFoundException: Unable to find resource 'templates/email/test.vm' at org.apache.velocity.runtime.resource

JMeter add velocity language to JSR 223 Sampler

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问题 I want to use velocity language as Scripting language in JMeter's JSR 223 Sampler . According to the list velocity can be used in JSR223, According to the answer velocity should be added to JMeter classpath for discovery of available scripting engines. How can I add velocity as a Scripting engine in JMeter? 回答1: Download new velocity engine scripting version 2.0 in order to support scripting engine. Put velocity-engine-scripting-2.0.jar in JMeter's lib folder. When JMeter loaded it can find

JMeter add velocity language to JSR 223 Sampler

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I want to use velocity language as Scripting language in JMeter's JSR 223 Sampler . According to the list velocity can be used in JSR223, According to the answer velocity should be added to JMeter classpath for discovery of available scripting engines. How can I add velocity as a Scripting engine in JMeter? Download new velocity engine scripting version 2.0 in order to support scripting engine. Put velocity-engine-scripting-2.0.jar in JMeter's lib folder. When JMeter loaded it can find velocity as scripting engine and use it. EDIT Also add relevant velocity jar(s) as velocity-engine-core-2.0

What is a classpath and how do I set it?

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问题 I was just reading this line: The first thing the format() method does is load a Velocity template from the classpath named output.vm Please explain what was meant by classpath in this context, and how I should set the classpath. 回答1: When programming in Java, you make other classes available to the class you are writing by putting something like this at the top of your source file: import org.javaguy.coolframework.MyClass; Or sometimes you 'bulk import' stuff by saying: import org.javaguy