有人能举例说明如何在mule中将csv转换为xml吗?
我对骡子不熟悉 我想做下面的事情有人能举例说明如何在mule中将csv转换为xml吗?,xml,csv,mule,Xml,Csv,Mule,我对骡子不熟悉 我想做下面的事情 1) Read csv file from local drive 2) Transform to xml 3) Write xml 请帮助。您可以使用转换器转换为XML smooks csv配置xml <?xml version="1.0" encoding="UTF-8"?> <smooks-resource-list xmlns="http://www.milyn.org/xsd/smooks-1.1.xsd"
1) Read csv file from local drive
2) Transform to xml
3) Write xml
请帮助。您可以使用转换器转换为XML
smooks csv配置xml
<?xml version="1.0" encoding="UTF-8"?>
<smooks-resource-list xmlns="http://www.milyn.org/xsd/smooks-1.1.xsd"
xmlns:csv="http://www.milyn.org/xsd/smooks/csv-1.2.xsd">
<csv:reader fields="order_no?trim,cust_no?trim,prod_no?trim,amount?trim"
separator="|" quote="'" skipLines="0" rootElementName="orders" recordElementName="order" indent="true" />
<resource-config selector="global-parameters">
<param name="stream.filter.type">SAX</param>
</resource-config>
</smooks-resource-list>
上面的输出如下所示
<orders>
<order number="1">
<order_no>1888852</order_no>
<cust_no>21625</cust_no>
<prod_no>02745011</prod_no>
<amount>31</amount>
</order>
<order number="2">
<order_no>1888853</order_no>
<cust_no>21625</cust_no>
<prod_no>02745011</prod_no>
<amount>71</amount>
</order>
<order number="3">
<order_no>1888854</order_no>
<cust_no>21625</cust_no>
<prod_no>02745011</prod_no>
<amount>3</amount>
</order>
</orders>
1888852
21625
02745011
将CSV转换和映射为XML的最简单方法之一是使用MuleDatamapper
但是,这个数据映射器是Mule企业版的一个特性
另一种选择是
使用文件入站端点从本地光盘加载CSV文件
使用表达式转换器将有效负载拆分为每列,将每列存储在流量变量中,参考:-
最后使用XSLT创建XML负载,并将流变量作为输入。。参考:-
此外,您还可以参考以下链接:-
package net.pascalalma.mule.test;
import java.io.File;
import java.io.InputStream;
import java.util.Locale;
import java.util.TimeZone;
import org.junit.Test;
import org.mule.DefaultMuleMessage;
import org.mule.api.MuleMessage;
import org.mule.module.client.MuleClient;
import org.mule.tck.FunctionalTestCase;
import org.mule.util.IOUtils;
public class SmooksCsvTest extends FunctionalTestCase
{
@Override
protected String getConfigResources() {
return "config/smooks-csv-config.xml";
}
@Test
public void testSmooks() throws Exception {
InputStream in = IOUtils.getResourceAsStream("test-order.csv", this.getClass());
MuleClient client = new MuleClient();
MuleMessage reply = client.send("vm://test-csv-to-xml",new DefaultMuleMessage(in));
assertNotNull(reply);
assertNotNull(reply.getPayload());
Object payload = reply.getPayload();
assertTrue("The message payload is not an instance of String", payload instanceof String);
assertTrue("The report file wasn't created", getReportFile().exists());
}
private File getReportFile() {
return new File("target/smooks-report/report.html");
}
private void deleteReportFile() {
getReportFile().delete();
}
/* (non-Javadoc)
* @see org.mule.tck.AbstractMuleTestCase#doSetUp()
*/
@Override
protected void doSetUp() throws Exception {
super.doSetUp();
TimeZone.setDefault(TimeZone.getTimeZone("EST"));
Locale.setDefault(new Locale("en","IE"));
deleteReportFile();
}
/* (non-Javadoc)
* @see org.mule.tck.AbstractMuleTestCase#doTearDown()
*/
@Override
protected void doTearDown() throws Exception {
super.doTearDown();
deleteReportFile();
}
}
<orders>
<order number="1">
<order_no>1888852</order_no>
<cust_no>21625</cust_no>
<prod_no>02745011</prod_no>
<amount>31</amount>
</order>
<order number="2">
<order_no>1888853</order_no>
<cust_no>21625</cust_no>
<prod_no>02745011</prod_no>
<amount>71</amount>
</order>
<order number="3">
<order_no>1888854</order_no>
<cust_no>21625</cust_no>
<prod_no>02745011</prod_no>
<amount>3</amount>
</order>
</orders>