使用FTP Ant任务部署Maven站点 [英] Deploy Maven site using FTP Ant task

问题描述

我正在尝试将Maven站点部署到FTP服务器。我在我的pom.xml中使用以下代码：

I am trying to deploy a Maven site to an FTP server. I am using the following code in my pom.xml:

<plugin>
 <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-antrun-plugin</artifactId>
<executions>
    <execution>
    <id>ftp</id>
    <phase>post-site</phase>
    <configuration>
        <tasks>
            <ftp action="del" server="nexus"
        remotedir="/pub/${project.groupId}/${project.artifactId}"
        userid="anonymous" password="[e-mail]"
        skipFailedTransfers="true" ignoreNoncriticalErrors="true">
        <fileset>
                <include name="**/" />
        </fileset>
            </ftp>
        <ftp action="rmdir" server="nexus"
             remotedir="/pub/${project.groupId}/${project.artifactId}"
        userid="anonymous" password="[e-mail]"
        skipFailedTransfers="true" ignoreNoncriticalErrors="true">
             <fileset>
            <include name="**/" />
             </fileset>
        </ftp>
        <ftp action="mkdir" server="nexus"
        remotedir="/pub/${project.groupId}/${project.artifactId}"
        userid="anonymous" password="[e-mail]" depends="yes"
        verbose="no" chmod="777">
        </ftp>
    </tasks>
     </configuration>
     <goals>
    <goal>run</goal>
     </goals>
      </execution>
 </executions>
 </plugin>

这里我删除以前部署的站点，并在后期站点创建该站点的新目录阶段，以便部署将具有所需的结构。
问题是它第一次不起作用 - 删除的文件夹不存在。我第一次必须手动创建目录，这样它就可以正常工作了。
第一次工作得很好。

Here I delete the previous site deployed, and creating a new directory for the site in the post-site phase, so that the deploy will have the structure it needs. The problem is that it doesn't work for the first time - when folder to delete does not exist. In the first time I must manually create the directory so it will work. after the first time it works well.

我的问题是如何检查目录的存在，然后再尝试删除它。

my question is how do I check the existence of the directory before trying to delete it.

谢谢，
Ronen。

Thanks, Ronen.

推荐答案

您可以在 ftp del 任务之前先执行 ftp mkdir 被调用，这将确保目录在删除之前存在。虽然当然这可能会失败，如果目录已经存在。我无法测试，但根据文档，添加 ignoreNoncriticalErrors =true可能让mkdir不存在目录。

You could do ftp mkdir first before the ftp del task is called, this would ensure the directory exists before deleting it. though of course that might fail if the directory already exists. I'm not able to test this, but according to the docs, adding ignoreNoncriticalErrors="true" might let mkdir not fail if the directory exists.

例如：

<ftp action="mkdir"
  server="nexus"
  userid="anonymous"
  password="[e-mail]"
  remotedir="/pub/${project.groupId}/${project.artifactId}"
  ignoreNoncriticalErrors="true"/>

更新：从 Ftp.java it看起来这样会有效：

Update: From Ftp.java it looks like this will work:

/**
 * Create the specified directory on the remote host.
 *
 * @param ftp The FTP client connection
 * @param dir The directory to create (format must be correct for host
 *      type)
 * @throws IOException  in unknown circumstances
 * @throws BuildException if ignoreNoncriticalErrors has not been set to true
 *         and a directory could not be created, for instance because it was
 *         already existing. Precisely, the codes 521, 550 and 553 will trigger
 *         a BuildException
 */
protected void makeRemoteDir(FTPClient ftp, String dir)
    throws IOException, BuildException {
    ...

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