Java，将Ant与Apache Ivy问题结合使用

Question

我正在使用ANT将我的东西部署到Tomcat。 但是我在缺少依赖项方面遇到麻烦，我想添加Ivy，因为它被推荐了。

现在，我将其添加到build.xml文件中：

<!-- Ivy settings start-->

    <condition property="ivy.home" value="${env.IVY_HOME}">
        <isset property="env.IVY_HOME" />
    </condition>


    <target name="download-ivy" unless="offline">
        <mkdir dir="${ivy.jar.dir}"/>
            <!-- download Ivy from web site so that it can be used even without any special installation -->
        <get src="http://repo2.maven.org/maven2/org/apache/ivy/ivy/${ivy.install.version}/ivy-${ivy.install.version}.jar" 
            dest="${ivy.jar.file}" usetimestamp="true"/>
    </target>


    <target name="init-ivy" depends="download-ivy">
        <!-- try to load ivy here from ivy home, in case the user has not already dropped
        it into ant's lib dir (note that the latter copy will always take precedence).
        We will not fail as long as local lib dir exists (it may be empty) and
        ivy is in at least one of ant's lib dir or the local lib dir. -->
        <path id="ivy.lib.path">
            <fileset dir="${ivy.jar.dir}" includes="*.jar"/>
        </path>
        <taskdef resource="org/apache/ivy/ant/antlib.xml"
        uri="antlib:org.apache.ivy.ant" classpathref="ivy.lib.path"/>
    </target>

    <target name="go" depends="init-ivy" description="--> resolve dependencies, compile and run the project">
    <echo message="using ivy to resolve commons-lang 2.1..."/>
    <!--
    here comes the magic line: asks ivy to resolve a dependency on commons-lang 2.1 and to build an ant path with it from its cache
    -->
    <ivy:cachepath organisation="commons-lang" module="commons-lang" revision="2.1" pathid="lib.path.id" inline="true"/>
    </target>
<!-- Ivy settings end-->

为此，我试图将通用语言JAR文件添加到我的项目中。 这是我得到的输出：

    Buildfile: C:\Users\Jansu\workspace\HelloWorld\build.xml
build:
deploywar:
download-ivy:
      [get] Getting: http://repo2.maven.org/maven2/org/apache/ivy/ivy/2.2.0/ivy-2.2.0.jar
      [get] To: C:\Users\Jansu\.ant\lib\ivy-2.2.0.jar
      [get] Not modified - so not downloaded
init-ivy:
go:
     [echo] using ivy to resolve commons-lang 2.1...
[ivy:cachepath] :: Ivy 2.2.0 - 20100923230623 :: http://ant.apache.org/ivy/ ::
[ivy:cachepath] :: loading settings :: url = jar:file:/C:/Users/Jansu/.ant/lib/ivy-2.2.0.jar!/org/apache/ivy/core/settings/ivysettings.xml
[ivy:cachepath] :: resolving dependencies :: commons-lang#commons-lang-caller;working
[ivy:cachepath]     confs: [default, master, compile, provided, runtime, system, sources, javadoc, optional]
[ivy:cachepath]     found commons-lang#commons-lang;2.1 in public
[ivy:cachepath] :: resolution report :: resolve 151ms :: artifacts dl 10ms
    ---------------------------------------------------------------------
    |                  |            modules            ||   artifacts   |
    |       conf       | number| search|dwnlded|evicted|| number|dwnlded|
    ---------------------------------------------------------------------
    |      default     |   1   |   0   |   0   |   0   ||   1   |   0   |
    |      master      |   1   |   0   |   0   |   0   ||   1   |   0   |
    |      compile     |   1   |   0   |   0   |   0   ||   0   |   0   |
    |     provided     |   1   |   0   |   0   |   0   ||   0   |   0   |
    |      runtime     |   1   |   0   |   0   |   0   ||   0   |   0   |
    |      system      |   1   |   0   |   0   |   0   ||   0   |   0   |
    |      sources     |   1   |   0   |   0   |   0   ||   1   |   0   |
    |      javadoc     |   1   |   0   |   0   |   0   ||   1   |   0   |
    |     optional     |   1   |   0   |   0   |   0   ||   0   |   0   |
    ---------------------------------------------------------------------
BUILD SUCCESSFUL
Total time: 2 seconds

我猜它有效..现在有两个问题：

1） 这些JAR文件在我的项目中出现在哪里？

2） 如何添加其他JAR文件，例如Spring框架文件？

Answer 1

这个：

<ivy:cachepath organisation="commons-lang" module="commons-lang" revision="2.1" pathid="lib.path.id" inline="true"/>
</target>

这称为内联检索，并告诉Ivy从常春藤缓存中使用pathid="lib.path.id"构建一个ant-path，jar将不会复制到您的项目中。 缓存位于$ {user.home} /。ivy2中。

如果要将工件下载到项目中，则必须使用retrieve任务并为项目定义ivy.xml 。