cxf-api-2.7.6源码无POM文件时，修改后生成Jar包的步骤咨询

Alright, let's figure out how to build your modified cxf-api-2.7.6 JAR even without the original POM file. I've done this a few times before, so here's a practical step-by-step guide tailored for IntelliJ IDEA:

First, make sure your source code follows the standard Maven project structure—this simplifies dependency management and packaging:

• Create src/main/java and src/main/resources directories at your project root if they don't exist.
• Move all your Java source files into src/main/java, and any configuration files (like XMLs, properties) into src/main/resources.

Next, create a pom.xml file at the project root. This file tells Maven how to compile and package your code. Use this template as a starting point, then fill in any missing dependencies (you can look up cxf-api-2.7.6's full dependency list to complete this):

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.apache.cxf</groupId>
    <artifactId>cxf-api</artifactId>
    <version>2.7.6</version>
    <packaging>jar</packaging>
    <name>Apache CXF API</name>

    <dependencies>
        <!-- Core dependencies for cxf-api 2.7.6 -->
        <dependency>
            <groupId>org.apache.ws.xmlschema</groupId>
            <artifactId>xmlschema-core</artifactId>
            <version>2.1.0</version>
        </dependency>
        <dependency>
            <groupId>org.apache.geronimo.specs</groupId>
            <artifactId>geronimo-jaxws_2.2_spec</artifactId>
            <version>1.1</version>
        </dependency>
        <!-- Add other required dependencies based on compile errors or Maven Central's listing -->
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>1.6</source> <!-- CXF 2.7.6 targets Java 6 by default -->
                    <target>1.6</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

• Right-click the pom.xml file you just created and select Add as Maven Project.
• Wait for IntelliJ to download all the dependencies. If you get missing dependency errors, go back to the POM and add the required artifacts.

• Make your desired changes to the cxf-api classes.
• To ensure everything compiles correctly, run the Maven compile command:
  1. Open the Maven panel on the right side of IntelliJ.
  2. Navigate to your project → Lifecycle → double-click compile.
• Fix any compilation errors (usually missing dependencies or syntax issues) before moving on.

You have two reliable options here:

Option 1: Use Maven's Package Command #

• In the Maven panel, go to your project → Lifecycle → double-click package.
• Once the command finishes, your modified JAR file will be in the target directory, named cxf-api-2.7.6.jar.

Option 2: Use IntelliJ's Built-in Artifact Builder #

If you prefer not to rely on Maven for packaging:

1. Go to File → Project Structure → Artifacts.
2. Click the + button → select JAR → From modules with dependencies.
3. Select your project module, set the output directory for the JAR, and click OK.
4. Back in the main IDE window, go to Build → Build Artifacts → select your new artifact → click Build.

• The generated JAR will be in the output directory you specified.

• If you're using this JAR in a local project, simply replace the original cxf-api-2.7.6.jar with your modified version.
• If you need to use it in other Maven projects, run mvn install from the Maven panel—this will install your modified JAR into your local Maven repository, so other projects can reference it like any other Maven dependency.

内容的提问来源于stack exchange，提问作者yagnya