Package org.apache.camel.impl

Examples of org.apache.camel.impl.ExpressionAdapter

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    /**
     * Returns the expression for the exchanges inbound message body type
     */
    public static Expression bodyTypeExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return exchange.getIn().getBody().getClass();
            }

            @Override
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    /**
     * Returns the expression for the out messages body
     */
    public static Expression outBodyExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                if (exchange.hasOut()) {
                    return exchange.getOut().getBody();
                } else {
                    return null;
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    /**
     * Returns the expression for the exchanges outbound message body converted
     * to the given type
     */
    public static <T> Expression outBodyExpression(final Class<T> type) {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                if (exchange.hasOut()) {
                    return exchange.getOut().getBody(type);
                } else {
                    return null;
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    /**
     * Returns the expression for the fault messages body
     */
    public static Expression faultBodyExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return exchange.getOut().isFault() ? exchange.getOut().getBody() : null;
            }

            @Override
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    /**
     * Returns the expression for the exchanges fault message body converted
     * to the given type
     */
    public static <T> Expression faultBodyExpression(final Class<T> type) {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return exchange.getOut().isFault() ? exchange.getOut().getBody(type) : null;
            }

            @Override
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    /**
     * Returns the expression for the exchange
     */
    public static Expression exchangeExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return exchange;
            }

            @Override
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    /**
     * Returns the expression for the IN message
     */
    public static Expression inMessageExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return exchange.getIn();
            }

            @Override
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    /**
     * Returns the expression for the OUT message
     */
    public static Expression outMessageExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return exchange.getOut();
            }

            @Override
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    /**
     * Returns an expression which converts the given expression to the given type
     */
    @SuppressWarnings("unchecked")
    public static Expression convertToExpression(final Expression expression, final Class type) {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return expression.evaluate(exchange, type);
            }

            @Override
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    /**
     * Returns an expression which converts the given expression to the given type the type
     * expression is evaluated to
     */
    public static Expression convertToExpression(final Expression expression, final Expression type) {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return expression.evaluate(exchange, type.evaluate(exchange, Object.class).getClass());
            }

            @Override
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Related Classes of org.apache.camel.impl.ExpressionAdapter

  • org.apache.camel.builder.ExpressionBuilder
  • org.apache.camel.builder.FileExpressionBuilder
  • org.apache.camel.component.bean.CustomParameterMappingStrategyTest$MyCustomStrategy
  • org.apache.camel.component.bean.MethodInfo
  • org.apache.camel.component.jpa.JpaEndpoint
  • org.apache.camel.component.rss.AggregateRssFeedCollection
  • org.apache.camel.issues.NeilSplitterTest
  • org.apache.camel.language.ref.RefLanguage
  • org.apache.camel.model.InterceptFromDefinition
  • org.apache.camel.processor.SetHeaderUsingDslExpressionsTest
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