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package org.mule.expression.transformers; |
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import org.mule.api.lifecycle.InitialisationException; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.transformer.AbstractMessageTransformer; |
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import org.mule.transformer.types.DataTypeFactory; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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public abstract class AbstractExpressionTransformer extends AbstractMessageTransformer |
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{ |
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protected List<ExpressionArgument> arguments; |
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public AbstractExpressionTransformer() |
42 | 0 | { |
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44 | 0 | registerSourceType(DataTypeFactory.OBJECT); |
45 | 0 | setReturnDataType(DataTypeFactory.OBJECT); |
46 | 0 | arguments = new ArrayList<ExpressionArgument>(4); |
47 | 0 | } |
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public void addArgument(ExpressionArgument argument) |
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{ |
51 | 0 | arguments.add(argument); |
52 | 0 | } |
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public boolean removeArgument(ExpressionArgument argument) |
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{ |
56 | 0 | return arguments.remove(argument); |
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} |
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@Override |
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public void initialise() throws InitialisationException |
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{ |
69 | 0 | if (arguments == null || arguments.size() == 0) |
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{ |
71 | 0 | throw new InitialisationException(CoreMessages.objectIsNull("arguments[]"), this); |
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} |
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74 | 0 | for (Iterator<ExpressionArgument> iterator = arguments.iterator(); iterator.hasNext();) |
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{ |
76 | 0 | ExpressionArgument argument = iterator.next(); |
77 | 0 | argument.setMuleContext(muleContext); |
78 | 0 | argument.setExpressionEvaluationClassLoader(Thread.currentThread().getContextClassLoader()); |
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try |
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{ |
81 | 0 | argument.validate(); |
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} |
83 | 0 | catch (Exception e) |
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{ |
85 | 0 | throw new InitialisationException(e, this); |
86 | 0 | } |
87 | 0 | } |
88 | 0 | } |
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public List<ExpressionArgument> getArguments() |
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{ |
92 | 0 | return arguments; |
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} |
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public void setArguments(List<ExpressionArgument> arguments) |
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{ |
97 | 0 | this.arguments = arguments; |
98 | 0 | } |
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} |