| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.language; |
| |
| import java.io.File; |
| import java.text.SimpleDateFormat; |
| import java.util.Calendar; |
| import java.util.Date; |
| import java.util.GregorianCalendar; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.ExpressionIllegalSyntaxException; |
| import org.apache.camel.LanguageTestSupport; |
| import org.apache.camel.component.file.FileConsumer; |
| import org.apache.camel.component.file.FileEndpoint; |
| import org.apache.camel.component.file.GenericFile; |
| import org.apache.camel.impl.JndiRegistry; |
| import org.apache.camel.language.simple.SimpleLanguage; |
| import org.apache.camel.util.FileUtil; |
| |
| /** |
| * Unit test for File Language. |
| */ |
| public class FileLanguageTest extends LanguageTestSupport { |
| |
| private File file; |
| |
| @Override |
| protected JndiRegistry createRegistry() throws Exception { |
| JndiRegistry jndi = super.createRegistry(); |
| jndi.bind("generator", new MyFileNameGenerator()); |
| return jndi; |
| } |
| |
| protected String getLanguageName() { |
| return "file"; |
| } |
| |
| public void testConstantExpression() throws Exception { |
| assertExpression("MyBigFile.txt", "MyBigFile.txt"); |
| } |
| |
| public void testMessageId() throws Exception { |
| assertExpression("${id}", exchange.getIn().getMessageId()); |
| assertExpression("${id}.bak", exchange.getIn().getMessageId() + ".bak"); |
| } |
| |
| public void testInvalidSyntax() throws Exception { |
| assertExpression("${file:onlyname}", file.getName()); |
| try { |
| assertExpression("${file:onlyName}", file.getName()); |
| fail("Should have thrown exception"); |
| } catch (ExpressionIllegalSyntaxException e) { |
| assertEquals("Illegal syntax: File language syntax: onlyName", e.getMessage()); |
| } |
| } |
| |
| public void testFile() throws Exception { |
| assertExpression("${file:ext}", "txt"); |
| assertExpression("${file:name.ext}", "txt"); |
| assertExpression("${file:name}", "test" + File.separator + file.getName()); |
| assertExpression("${file:name.noext}", "test" + File.separator + "hello"); |
| assertExpression("${file:onlyname}", file.getName()); |
| assertExpression("${file:onlyname.noext}", "hello"); |
| assertExpression("${file:parent}", file.getParent()); |
| assertExpression("${file:path}", file.getPath()); |
| assertExpression("${file:absolute}", FileUtil.isAbsolute(file)); |
| assertExpression("${file:absolute.path}", file.getAbsolutePath()); |
| assertExpression("${file:length}", file.length()); |
| assertExpression("${file:size}", file.length()); |
| |
| // modified is a Date object |
| Date modified = SimpleLanguage.simple("file:modified").evaluate(exchange, Date.class); |
| assertEquals(new Date(file.lastModified()), modified); |
| } |
| |
| public void testFileUsingAlternativeStartToken() throws Exception { |
| assertExpression("$simple{file:ext}", "txt"); |
| assertExpression("$simple{file:name.ext}", "txt"); |
| assertExpression("$simple{file:name}", "test" + File.separator + file.getName()); |
| assertExpression("$simple{file:name.noext}", "test" + File.separator + "hello"); |
| assertExpression("$simple{file:onlyname}", file.getName()); |
| assertExpression("$simple{file:onlyname.noext}", "hello"); |
| assertExpression("$simple{file:parent}", file.getParent()); |
| assertExpression("$simple{file:path}", file.getPath()); |
| assertExpression("$simple{file:absolute}", FileUtil.isAbsolute(file)); |
| assertExpression("$simple{file:absolute.path}", file.getAbsolutePath()); |
| assertExpression("$simple{file:length}", file.length()); |
| assertExpression("$simple{file:size}", file.length()); |
| |
| // modified is a Date object |
| Date modified = SimpleLanguage.simple("file:modified").evaluate(exchange, Date.class); |
| assertEquals(new Date(file.lastModified()), modified); |
| } |
| |
| public void testDate() throws Exception { |
| String now = new SimpleDateFormat("yyyyMMdd").format(new Date()); |
| assertExpression("backup-${date:now:yyyyMMdd}", "backup-" + now); |
| |
| String expected = new SimpleDateFormat("yyyyMMdd").format(new Date(file.lastModified())); |
| assertExpression("backup-${date:file:yyyyMMdd}", "backup-" + expected); |
| |
| assertExpression("backup-${date:header.birthday:yyyyMMdd}", "backup-19740420"); |
| assertExpression("hello-${date:out.header.special:yyyyMMdd}", "hello-20080808"); |
| |
| try { |
| this.assertExpression("nodate-${date:header.xxx:yyyyMMdd}", null); |
| fail("Should have thrown IllegalArgumentException"); |
| } catch (IllegalArgumentException e) { |
| // expected |
| } |
| } |
| |
| public void testDateUsingAlternativeStartToken() throws Exception { |
| String now = new SimpleDateFormat("yyyyMMdd").format(new Date()); |
| assertExpression("backup-$simple{date:now:yyyyMMdd}", "backup-" + now); |
| |
| String expected = new SimpleDateFormat("yyyyMMdd").format(new Date(file.lastModified())); |
| assertExpression("backup-$simple{date:file:yyyyMMdd}", "backup-" + expected); |
| |
| assertExpression("backup-$simple{date:header.birthday:yyyyMMdd}", "backup-19740420"); |
| assertExpression("hello-$simple{date:out.header.special:yyyyMMdd}", "hello-20080808"); |
| |
| try { |
| this.assertExpression("nodate-$simple{date:header.xxx:yyyyMMdd}", null); |
| fail("Should have thrown IllegalArgumentException"); |
| } catch (IllegalArgumentException e) { |
| // expected |
| } |
| } |
| |
| public void testSimpleAndFile() throws Exception { |
| assertExpression("backup-${in.header.foo}-${file:name.noext}.bak", "backup-abc-test" + File.separator + "hello.bak"); |
| assertExpression("backup-${in.header.foo}-${file:onlyname.noext}.bak", "backup-abc-hello.bak"); |
| } |
| |
| public void testSimpleAndFileAndBean() throws Exception { |
| assertExpression("backup-${in.header.foo}-${bean:generator}-${file:name.noext}.bak", "backup-abc-generatorbybean-test" + File.separator + "hello.bak"); |
| assertExpression("backup-${in.header.foo}-${bean:generator}-${file:onlyname.noext}.bak", "backup-abc-generatorbybean-hello.bak"); |
| } |
| |
| public void testBean() throws Exception { |
| assertExpression("backup-${bean:generator}.txt", "backup-generatorbybean.txt"); |
| assertExpression("backup-${bean:generator.generateFilename}.txt", "backup-generatorbybean.txt"); |
| } |
| |
| public Exchange createExchange() { |
| // create the file |
| String uri = "file://target/filelanguage?fileExist=Override"; |
| template.sendBodyAndHeader(uri, "Hello World", Exchange.FILE_NAME, "test/hello.txt"); |
| |
| // get the file handle |
| file = new File("target/filelanguage/test/hello.txt"); |
| GenericFile<File> gf = FileConsumer.asGenericFile("target/filelanguage", file); |
| |
| FileEndpoint endpoint = getMandatoryEndpoint(uri, FileEndpoint.class); |
| |
| Exchange answer = endpoint.createExchange(gf); |
| endpoint.configureMessage(gf, answer.getIn()); |
| |
| Calendar cal = GregorianCalendar.getInstance(); |
| cal.set(1974, Calendar.APRIL, 20); |
| answer.getIn().setHeader("birthday", cal.getTime()); |
| |
| cal.set(2008, Calendar.AUGUST, 8); |
| answer.getOut().setHeader("special", cal.getTime()); |
| return answer; |
| } |
| |
| public void testIllegalSyntax() throws Exception { |
| try { |
| // it should be with colon |
| assertExpression("${file.name}", ""); |
| fail("Should have thrown an exception"); |
| } catch (ExpressionIllegalSyntaxException e) { |
| assertEquals("Illegal syntax: file.name", e.getMessage()); |
| } |
| |
| try { |
| assertExpression("hey ${xxx} how are you?", ""); |
| fail("Should have thrown an exception"); |
| } catch (ExpressionIllegalSyntaxException e) { |
| assertEquals("Illegal syntax: xxx", e.getMessage()); |
| } |
| |
| try { |
| assertExpression("${xxx}", ""); |
| fail("Should have thrown an exception"); |
| } catch (ExpressionIllegalSyntaxException e) { |
| assertEquals("Illegal syntax: xxx", e.getMessage()); |
| } |
| } |
| |
| public void testConstantFilename() throws Exception { |
| assertExpression("hello.txt", "hello.txt"); |
| } |
| |
| public class MyFileNameGenerator { |
| public String generateFilename(Exchange exchange) { |
| return "generatorbybean"; |
| } |
| } |
| } |