Example usage for org.springframework.expression.spel.standard SpelExpressionParser SpelExpressionParser

Introduction

In this page you can find the example usage for org.springframework.expression.spel.standard SpelExpressionParser SpelExpressionParser.

Prototype

public SpelExpressionParser(SpelParserConfiguration configuration) 

Source Link

Document

Create a parser with the specified configuration.

Usage

From source file:com.fitbur.core.el.spring.internal.SpelExpressionParserProvider.java

@Rank(Integer.MIN_VALUE)
@Singleton
@Override
public ExpressionParser provide() {
    return new SpelExpressionParser(config);
}

---

From source file:org.springframework.cloud.function.deployer.ApplicationRunner.java

public Object evaluate(String expression, Object root, Object... attrs) {
    Expression parsed = new SpelExpressionParser(this.config).parseExpression(expression);
    StandardEvaluationContext context = new StandardEvaluationContext(root);
    context.setTypeLocator(this.typeLocator);
    if (attrs.length % 2 != 0) {
        throw new IllegalArgumentException("Context attributes must be name, value pairs");
    }/*from   ww  w .  j a va 2 s. c  om*/
    for (int i = 0; i < attrs.length / 2; i++) {
        String name = (String) attrs[2 * i];
        Object value = attrs[2 * i + 1];
        context.setVariable(name, value);
    }
    return parsed.getValue(context);
}

---

From source file:org.springframework.integration.ftp.inbound.FtpInboundRemoteFileSystemSynchronizerTests.java

@Test
public void testCopyFileToLocalDir() throws Exception {
    File localDirectoy = new File("test");
    assertFalse(localDirectoy.exists());

    TestFtpSessionFactory ftpSessionFactory = new TestFtpSessionFactory();
    ftpSessionFactory.setUsername("kermit");
    ftpSessionFactory.setPassword("frog");
    ftpSessionFactory.setHost("foo.com");
    FtpInboundFileSynchronizer synchronizer = spy(new FtpInboundFileSynchronizer(ftpSessionFactory));
    synchronizer.setDeleteRemoteFiles(true);
    synchronizer.setRemoteDirectory("remote-test-dir");
    synchronizer.setFilter(new FtpRegexPatternFileListFilter(".*\\.test$"));
    synchronizer.setIntegrationEvaluationContext(ExpressionUtils.createStandardEvaluationContext());

    ExpressionParser expressionParser = new SpelExpressionParser(new SpelParserConfiguration(true, true));
    Expression expression = expressionParser.parseExpression("#this.toUpperCase() + '.a'");
    synchronizer.setLocalFilenameGeneratorExpression(expression);

    FtpInboundFileSynchronizingMessageSource ms = new FtpInboundFileSynchronizingMessageSource(synchronizer);

    ms.setAutoCreateLocalDirectory(true);

    ms.setLocalDirectory(localDirectoy);
    ms.afterPropertiesSet();//from   w  w w .  ja v  a 2 s  .c o m
    Message<File> atestFile = ms.receive();
    assertNotNull(atestFile);
    assertEquals("A.TEST.a", atestFile.getPayload().getName());
    Message<File> btestFile = ms.receive();
    assertNotNull(btestFile);
    assertEquals("B.TEST.a", btestFile.getPayload().getName());
    Message<File> nothing = ms.receive();
    assertNull(nothing);

    // two times because on the third receive (above) the internal queue will be empty, so it will attempt
    verify(synchronizer, times(2)).synchronizeToLocalDirectory(localDirectoy);

    assertTrue(new File("test/A.TEST.a").exists());
    assertTrue(new File("test/B.TEST.a").exists());
}

---