9

我需要在运行时编辑 POM。我使用 Dom4j 读取 pom,然后设置一些数据。但我需要知道是否存在另一种形式来做到这一点。是否存在为此的 Maven 实用程序?

4

3 回答 3

11

用于MavenXpp3Reader读取和MavenXpp3Writer写入Model对象。简单的例子:

String baseDir = "/your/project/basedir/";

//Reading
MavenXpp3Reader reader = new MavenXpp3Reader();
Model model = reader.read(new FileInputStream(new File(baseDir, "/pom.xml")));

//Editing
model.setUrl("http://stackoverflow.com");

//Writing
MavenXpp3Writer writer = new MavenXpp3Writer();
writer.write(new FileOutputStream(new File(baseDir, "/pom.xml")), model);

请注意,任何注释、多余的空格或行都将从文件中删除。

于 2011-12-11T14:37:42.980 回答
1

根据您要更改的内容,可能会有 maven 插件。例如,maven发布插件更新 pom.xml 中的版本信息并将更改检查到版本控制中。

尝试搜索您尝试完成的特定任务(例如“maven 插件版本号更新”),而不是更通用的“修改 pom.xml”。

于 2010-05-11T19:00:18.943 回答
0

这段代码对我有用:

package or.jrichardsz;

import java.io.FileReader;
import java.io.FileWriter;
import java.io.Writer;

import org.apache.maven.model.Model;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
import org.apache.maven.model.io.xpp3.MavenXpp3Writer;

public class TestMavenPomEdit {

    public static void main(String[] args) throws Exception {

        //read initial pom
        Model model = parsePomXmlFileToMavenPomModel("C:\\Users\\User\\Desktop\\initial_pom.xml");

        //add some pom modification
        Plugin plugin = new Plugin();
        plugin.setGroupId("com.jelastic");

        model.getBuild().addPlugin(plugin);

        //write new pom
        parseMavenPomModelToXmlString("C:\\Users\\User\\Desktop\\final_pom.xml", model);

    }

    public static Model parsePomXmlFileToMavenPomModel(String path) throws Exception {

        Model model = null;
        FileReader reader = null;
        MavenXpp3Reader mavenreader = new MavenXpp3Reader();
        reader = new FileReader(path);
            model = mavenreader.read(reader);
        return model;

    }   

    public static void parseMavenPomModelToXmlString(String path,Model model) throws Exception {
        MavenXpp3Writer mavenWriter = new MavenXpp3Writer();
        Writer writer = new FileWriter(path);
        mavenWriter.write(writer, model);
    }       

}

TestMavenPomEdit.java

HTH

于 2017-01-19T00:43:56.407 回答