Examples of org.mule.api.el.ExpressionLanguage

org.mule.api.el.ExpressionLanguage
Allows for the execution of expressions within Mule using an expression language. Expression language implementations should not only wrap an expression language runtime but populate the context such that expression can be used to access, and optionally mutate, both Mule configuration and the current message being processed via expression variables. Runtime exceptions should be caught and wrapped in a Mule {@link ExpressionRuntimeException} before being re-thrown. @since 3.3.0

    }


    @Test
    public void doesNotOverrideExpressionLanguageInExpressionManagerOnCreation() throws Exception
    {
        ExpressionLanguage originalExpressionLanguage = ((DefaultExpressionManager) muleContext.getExpressionManager()).getExpressionLanguage();


        LocalMuleClient client = muleContext.getClient();
        client.send("vm://testInput", TEST_MESSAGE, null);


        ExpressionLanguage newExpressionLanguage = ((DefaultExpressionManager) muleContext.getExpressionManager()).getExpressionLanguage();


        assertSame(originalExpressionLanguage, newExpressionLanguage);
    }

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    @Test
    public void evaluationFromCode() throws Exception
    {
        //<start id="lis_02_expressions-5"/>
        ExpressionLanguage mel = muleContext.getExpressionLanguage();
        String applicationName = mel.evaluate("app.name");
        //<end id="lis_02_expressions-5"/>
        assertThat(mel.isValid("'test'"), is(true));
        assertThat(StringUtils.isNotBlank(applicationName), is(true));
        String testEl = "targetDir = new java.io.File(server.tmpDir, 'target');targetDir.mkdir();targetDir";
        File targetDir = mel.evaluate(testEl);
        assertThat(targetDir, is(notNullValue()));
    }

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Related Classes of org.mule.api.el.ExpressionLanguage

com.muleinaction.ExpressionsTestCase

org.mule.test.integration.el.ExpressionLanguageExtensionTestCase

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