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BATCH-2270: Allow ScriptEvaluator to be injectable in the ScriptItemProcessor

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This commit is contained in:
Chris Schaefer
2014-07-09 13:48:20 -04:00
committed by Mahmoud Ben Hassine
parent ad3dcbc96a
commit d6f90a1d21
2 changed files with 44 additions and 3 deletions
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21
spring-batch-infrastructure/src/main/java/org/springframework/batch/item/support/ScriptItemProcessor.java
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@@ -108,9 +108,24 @@ public class ScriptItemProcessor<I, O> implements ItemProcessor<I, O>, Initializ
this.itemBindingVariableName = itemBindingVariableName;
}
/**
* <p>
* Provides the ability to set a custom {@link org.springframework.scripting.ScriptEvaluator}
* implementation. If not set, a {@link org.springframework.scripting.support.StandardScriptEvaluator}
* will be used by default.
* </p>
*
* @param scriptEvaluator the {@link org.springframework.scripting.ScriptEvaluator} to use
*/
public void setScriptEvaluator(ScriptEvaluator scriptEvaluator) {
this.scriptEvaluator = scriptEvaluator;
}
@Override
public void afterPropertiesSet() throws Exception {
scriptEvaluator = new StandardScriptEvaluator();
if(scriptEvaluator == null) {
scriptEvaluator = new StandardScriptEvaluator();
}
Assert.state(scriptSource != null || script != null,
"Either the script source or script file must be provided");
@@ -118,9 +133,9 @@ public class ScriptItemProcessor<I, O> implements ItemProcessor<I, O>, Initializ
Assert.state(scriptSource == null || script == null,
"Either a script source or script file must be provided, not both");
if (scriptSource != null) {
if (scriptSource != null && scriptEvaluator instanceof StandardScriptEvaluator) {
Assert.isTrue(!StringUtils.isEmpty(language),
"Language must be provided when using script source");
"Language must be provided when using the default ScriptEvaluator and raw source code");
((StandardScriptEvaluator) scriptEvaluator).setLanguage(language);
}