Example usage for org.springframework.expression Expression setValue

Introduction

In this page you can find the example usage for org.springframework.expression Expression setValue.

Prototype

void setValue(EvaluationContext context, @Nullable Object value) throws EvaluationException;

Source Link

Document

Set this expression in the provided context to the value provided.

Usage

From source file:com.google.code.activetemplates.impl.CompileContext.java

public void setExpressionValue(String expression, Object value) {
    Expression expr = expressionParser.parseExpression(expression);
    expr.setValue(getEvaluationContext(), value);
}

---

From source file:com.seovic.core.expression.SpelExpression.java

/**
  * {@inheritDoc}/*www  .  j a va  2s . c  om*/
  */
public void evaluateAndSet(Object target, Object value) {
    Expression expression = getParsedExpression();
    StandardEvaluationContext context = m_context;

    context.setRootObject(target);
    try {
        expression.setValue(context, value);
    } catch (EvaluationException e) {
        throw new RuntimeException(e);
    }
}

---

From source file:it.geosolutions.opensdi2.workflow.transform.spel.SpelTransformer.java

@Override
public DESTTYPE transform(SOURCETYPE source) throws IllegalArgumentException {

    //create the output object
    DESTTYPE output = null;//  w w w . j  a  va 2  s  .c o m
    if (outputObject == null && outputPreBuilder != null) {
        output = outputPreBuilder.build(rules);
    } else if (outputPreBuilder != null) {
        output = outputPreBuilder.build(outputObject, rules);
    } else if (outputObject != null) {
        output = outputObject;
    } else {
        throw new IllegalArgumentException("no outputObject or outPrebuilder provided");
    }

    //create evaluation Context
    StandardEvaluationContext inputEvaluationContext = new StandardEvaluationContext(source);
    StandardEvaluationContext outputevaluationContext = new StandardEvaluationContext(output);
    //set property accessors for input and output
    inputEvaluationContext.setPropertyAccessors(inputaccessors);
    outputevaluationContext.setPropertyAccessors(outputaccessors);
    if (rules != null) {
        Set<String> attributes = rules.keySet();

        //parse rules to create output
        for (String attribute : attributes) {
            String expression = rules.get(attribute);
            //create expressions for in and out
            Expression conversionExpression = expressionParser.parseExpression(expression);
            Expression outputAttribute = expressionParser.parseExpression(attribute);
            //evaluate input value
            Object value = conversionExpression.getValue(inputEvaluationContext); //TODO create a second evaulationContext for output
            //set the attribute value using the output context
            outputAttribute.setValue(outputevaluationContext, value);
        }
    }
    return output;

}

---