无法将 AspectJ 与 Maven 集成
我绞尽脑汁想把aspectj与maven集成,但是没有成功。 我正在编写一个带有两个建议的简单程序(在 Eclipse 中运行良好,所以我确信这不是代码端错误)。
我最近开始使用maven来构建项目。想不出为什么我无法启动aspectj 编译器。
在通过 maven 编译期间 - 我只获得 java 的类文件而无需编织。 .aj 文件未编译。
请帮忙!!!!
第一个方面文件 - ExceptionAspects.aj
package com.aspectSample;
public aspect ExceptionAspects {
pointcut ExceptionHandler(Exception e) : handler(Exception+) && args(e) && within(com.clickable.*);
pointcut callbeforeMethod():execution( public void HelloWorldExclude.*(..)) ;
before(Exception ex) : ExceptionHandler(ex)
{
System.out.println("Added Aspects before Exception :"+ex.toString());
}
before(): callbeforeMethod()
{
System.out.println("Aspect Before Method Call");
}
pointcut sysOutOrErrAccess() : get(* System.out) || get(* System.err);
declare error
: sysOutOrErrAccess()
: "Don't write to the console";
}
源java文件HelloWorldExclude.java 包 com.aspectSample;
import java.sql.SQLException;
public class HelloWorldExclude {
private void FoulIntro(String message, String name) throws SQLException
{
throw new SQLException("WriteSomething");
}
public void GiveMeFoulIntro(String message, String name)
{
try
{
this.FoulIntro(message, name);
}catch(SQLException exp)
{
System.out.println("catching exception");
}
}
}
pom.xml 文件是
<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>com.clickable.HelloWorld-Maven</groupId>
<artifactId>HelloWorldAspect-Maven</artifactId>
<version>1.0.0</version>
<name>HelloWorld Aspect</name>
<packaging>jar</packaging>
<description>Hello World Code</description>
<properties>
<java-version>1.6</java-version>
<org.aspectj-version>1.6.11</org.aspectj-version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
</properties>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>aspectj-maven-plugin</artifactId>
<version>1.4</version>
<executions>
<execution>
<goals>
<goal>compile</goal>
</goals>
</execution>
</executions>
<configuration>
<source>${java-version}</source>
<target>${java-version}</target>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.5</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${org.aspectj-version}</version>
</dependency>
</dependencies>
</project>
I banged my head for two days to integrate aspectj with maven, But did not work.
I am writing a simple program with two advices (which works fine in eclipse, so I am sure it's not a code side error).
I have recently started using maven for project building. Can't think of why I am not able to kick off aspectj compiler.
During compilation through maven - I get only class file for java without weaving. .aj file is not compiled.
Please Help!!!!
the first aspect file - ExceptionAspects.aj
package com.aspectSample;
public aspect ExceptionAspects {
pointcut ExceptionHandler(Exception e) : handler(Exception+) && args(e) && within(com.clickable.*);
pointcut callbeforeMethod():execution( public void HelloWorldExclude.*(..)) ;
before(Exception ex) : ExceptionHandler(ex)
{
System.out.println("Added Aspects before Exception :"+ex.toString());
}
before(): callbeforeMethod()
{
System.out.println("Aspect Before Method Call");
}
pointcut sysOutOrErrAccess() : get(* System.out) || get(* System.err);
declare error
: sysOutOrErrAccess()
: "Don't write to the console";
}
The source java file HelloWorldExclude.java
package com.aspectSample;
import java.sql.SQLException;
public class HelloWorldExclude {
private void FoulIntro(String message, String name) throws SQLException
{
throw new SQLException("WriteSomething");
}
public void GiveMeFoulIntro(String message, String name)
{
try
{
this.FoulIntro(message, name);
}catch(SQLException exp)
{
System.out.println("catching exception");
}
}
}
and the pom.xml file is
<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>com.clickable.HelloWorld-Maven</groupId>
<artifactId>HelloWorldAspect-Maven</artifactId>
<version>1.0.0</version>
<name>HelloWorld Aspect</name>
<packaging>jar</packaging>
<description>Hello World Code</description>
<properties>
<java-version>1.6</java-version>
<org.aspectj-version>1.6.11</org.aspectj-version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
</properties>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>aspectj-maven-plugin</artifactId>
<version>1.4</version>
<executions>
<execution>
<goals>
<goal>compile</goal>
</goals>
</execution>
</executions>
<configuration>
<source>${java-version}</source>
<target>${java-version}</target>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.5</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${org.aspectj-version}</version>
</dependency>
</dependencies>
</project>
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您可以尝试以下几件事:
显式提供 maven-aspectj 插件的依赖项:
<前><代码> <插件>
org.codehaus.mojo ;
aspectj-maven-plugin ;
org.aspectj ;
aspectjrt
org.aspectj ;
aspectjtools
<版本>1.4
<依赖关系>
<依赖关系>
<版本>${aspectj.version}
<依赖关系>
<版本>${aspectj.version}
aspectjrt和aspectjtools的版本与您正在使用的aspectj版本相匹配。
您的测试文件夹中是否有任何源代码,
使用 src/test 文件夹,然后要将方面编织到测试源,您必须在 maven-aspectj 插件中明确提及:
A couple of things that you can try:
Explicitly provide the dependencies of the maven-aspectj plugin:
with the version of aspectjrt and aspectjtools matching the version of aspectj that you are using.
Do you by any chance have any of your sources in the test folder,
with the src/test folder, then to weave the aspects to the test sources you will have to explicitly mention that in the maven-aspectj plugin:
pom 文件中有一个愚蠢的错误。
element下添加了aspectj插件,这只是所有插件的配置。它不告诉编译器要使用什么。
当我从这个元素中删除插件后它就起作用了。
谢谢
潘卡伊
There was a stupid mistake in pom file.
aspectj plugin was added under element, which is just a configuration of all plugins. It doesn't tell compiler what to use.
It worked as soon as I removed plugin out of this element.
Thanks
Pankaj