Java - Maven JAXB-2插件具有不同配置的多个方案不会生成类

Question

我们正在将现有的项目从Ant + Eclipse迁移到Maven + IntelliJ IDEA。我目前正在使用JAXB从xsd文件生成类。我希望继续当前的项目结构，以便让jaxb2-maven-plugin在特定位置生成类。我有多个方案，并希望在不同的位置生成类。我使用了多个插件执行绑定，以便按照the JAXB-2 Maven plugin site中的说明进行操作。我的问题是只执行第一次执行。在第二次执行中不会生成任何类。以下是我的POM.xml文件相关部分：

<plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>jaxb2-maven-plugin</artifactId>
            <version>1.5</version>
            <executions>
                <execution>
                    <id>schema1</id>
                    <goals>
                        <goal>xjc</goal>
                    </goals>
                    <configuration>
                        <schemaDirectory>${basedir}/src/main/resources/schemes</schemaDirectory>
                        <schemaFiles>myschema1.xsd</schemaFiles>
                        <packageName>xml</packageName>
                        <outputDirectory>${basedir}/src/main/java/com/example/dor/a</outputDirectory>
                        <arguments>-extension -Xcloneable -Xdefault-value -Xsetters -Xannotate</arguments>
                        <staleFile>${build.directory}/.jaxb-staleFlag-1</staleFile>
                        <clearOutputDir>false</clearOutputDir>
                    </configuration>
                </execution>
                <execution>
                    <id>schema2</id>
                    <goals>
                        <goal>xjc</goal>
                    </goals>
                    <configuration>
                        <schemaDirectory>${basedir}/src/main/resources/schemes</schemaDirectory>
                        <schemaFiles>myschema2.xsd</schemaFiles>
                        <packageName>xml</packageName>
                        <outputDirectory>${basedir}/src/main/java/com/example/dor/b</outputDirectory>
                        <arguments>-extension -Xcloneable -Xdefault-value -Xsetters -Xannotate</arguments>
                        <staleFile>${build.directory}/.jaxb-staleFlag-1</staleFile>
                        <clearOutputDir>false</clearOutputDir>
                    </configuration>
                </execution>
            </executions>
</plugin>

Answer 1

我将升级到1.6，您将不得不将这两个模式放在不同的包中，以防止在生成的ObjectFactory中发生冲突。下面的代码对我很有效：

<build>
        <plugins>
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>jaxb2-maven-plugin</artifactId>
                <version>1.6</version>
                <executions>
                    <execution>
                        <id>schema1</id>
                        <goals>
                            <goal>xjc</goal>
                        </goals>
                        <configuration>
                            <schemaDirectory>${basedir}/src/main/resources/schemes</schemaDirectory>
                            <schemaFiles>myschema1.xsd</schemaFiles>
                            <packageName>xml.a</packageName>
                            <outputDirectory>${basedir}/src/main/generated1</outputDirectory>
                            <clearOutputDir>true</clearOutputDir>
                        </configuration>
                    </execution>
                    <execution>
                        <id>schema2</id>
                        <goals>
                            <goal>xjc</goal>
                        </goals>
                        <configuration>
                            <schemaDirectory>${basedir}/src/main/resources/schemes</schemaDirectory>
                            <schemaFiles>myschema2.xsd</schemaFiles>
                            <packageName>xml.b</packageName>
                            <outputDirectory>${basedir}/src/main/generated2</outputDirectory>
                            <clearOutputDir>true</clearOutputDir>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

Answer 2

使用2.5.0版插件的更新答案。这将是配置：

<plugin>
  <groupId>org.codehaus.mojo</groupId>
  <artifactId>jaxb2-maven-plugin</artifactId>
  <version>2.5.0</version>
  <executions>

    <execution>
      <id>schema1</id>
      <goals>
        <goal>xjc</goal>
      </goals>
      <configuration>
        <packageName>com.your.package</packageName>
        <sources>
          <source>${project.basedir}/src/main/resources/xsd/sample1/sample1.xsd</source>
        </sources>
        <clearOutputDir>false</clearOutputDir>
      </configuration>
    </execution>

    <execution>
      <id>schema2</id>
      <goals>
        <goal>xjc</goal>
      </goals>
      <configuration>
        <packageName>com.your.package</packageName>
        <sources>
          <source>${project.basedir}/src/main/resources/xsd/sample2/sample2.xsd</source>
        </sources>
        <clearOutputDir>false</clearOutputDir>
      </configuration>
    </execution>

  </executions>
</plugin>

希望它对更新的配置有所帮助。

Answer 3

也有同样的问题。

已启用maven的-X选项以查看未执行第二代的原因。

第二代没有运行，因为staleFile是相同的。我必须将具有不同值的参数staleFile添加到两次执行中：

<staleFile>${project.build.directory}/jaxb2/.xjcStaleFlag1</staleFile>

.

<staleFile>${project.build.directory}/jaxb2/.xjcStaleFlag2</staleFile>