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| package org.apache.hivemind.schema.rules; |
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| import java.beans.PropertyEditor; |
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| import java.beans.PropertyEditorManager; |
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| import java.util.Map; |
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| import org.apache.hivemind.ApplicationRuntimeException; |
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| import org.apache.hivemind.Location; |
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| import org.apache.hivemind.internal.Module; |
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| import org.apache.hivemind.schema.Translator; |
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| public class SmartTranslator implements Translator |
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| { |
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| private String _default; |
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| public SmartTranslator()
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| { |
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| } |
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| public SmartTranslator(String initializer)
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| { |
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| Map m = RuleUtils.convertInitializer(initializer);
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| _default = (String) m.get("default");
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| } |
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| public Object translate(Module contributingModule, Class propertyType, String inputValue,
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| Location location) |
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| { |
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| if (inputValue == null)
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| { |
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| if (_default == null)
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| return null;
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| inputValue = _default;
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| } |
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| if (propertyType.equals(String.class) || propertyType.equals(Object.class))
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| return inputValue;
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| try
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| { |
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| PropertyEditor e = PropertyEditorManager.findEditor(propertyType);
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| if (e == null)
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| throw new ApplicationRuntimeException(RulesMessages.noPropertyEditor(propertyType),
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| location, null); |
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| e.setAsText(inputValue);
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| return e.getValue();
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| } |
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| catch (Exception ex) |
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| { |
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| throw new ApplicationRuntimeException(RulesMessages.smartTranslatorError(
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| inputValue, |
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| propertyType, |
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| ex), location, ex); |
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| } |
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| } |
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| } |