【问题标题】:Add classpath from XML file从 XML 文件添加类路径
【发布时间】:2015-12-23 18:10:36
【问题描述】:

如何将此 XML 文件添加到类路径?

命令行

# java -classpath . dk.firma.klient.webservice.OiosiRaspClient

.classpath

<?xml version="1.0" encoding="UTF-8"?>
<classpath>
    <classpathentry kind="src" path="src"/>
    <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
    <classpathentry kind="lib" path="lib/axis2/transport/axis2-transport-base-1.0-SNAPSHOT.jar"/>
    <classpathentry kind="lib" path="lib/axis2/transport/axis2-transport-mail-1.0-SNAPSHOT.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-adb-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-adb-codegen-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-ant-plugin-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-clustering-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-codegen-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-corba-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-fastinfoset-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-java2wsdl-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-jaxbri-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-jaxws-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-jibx-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-json-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-kernel-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-metadata-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-mtompolicy-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-spring-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-saaj-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-transport-http-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-transport-local-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axis2-xmlbeans-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/apache_commons/collections/commons-collections-3.2.1.jar"/>
    <classpathentry kind="lib" path="lib/apache_commons/configuration/commons-configuration-1.6.jar"/>
    <classpathentry kind="lib" path="lib/apache_commons/jxpath/commons-jxpath-1.3.jar"/>
    <classpathentry kind="lib" path="lib/apache_commons/lang/commons-lang-2.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/activation-1.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axiom-api-1.2.8.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axiom-dom-1.2.8.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/axiom-impl-1.2.8.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/bcel-5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/commons-codec-1.3.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/commons-fileupload-1.2.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/commons-httpclient-3.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/commons-io-1.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/commons-lang-2.3.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/commons-logging-1.1.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/geronimo-annotation_1.0_spec-1.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/geronimo-jaxws_2.1_spec-1.0.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/geronimo-stax-api_1.0_spec-1.0.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/geronimo-saaj_1.3_spec-1.0.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/geronimo-ws-metadata_2.0_spec-1.1.2.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/httpcore-4.0.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/jalopy-1.5rc3.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/jaxb-api-2.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/jaxb-impl-2.1.7.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/XmlSchema-1.4.3.jar"/>
    <classpathentry kind="lib" path="lib/axis2/mercury/mercury-core-0.91.jar"/>
    <classpathentry kind="lib" path="lib/axis2/mercury/mercury-persistence-0.91.jar"/>
    <classpathentry kind="lib" path="lib/axis2/rampart/opensaml-1.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/rampart/rampart-core-1.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/rampart/rampart-policy-1.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/rampart/rampart-trust-1.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/rampart/wss4j-1.5.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/rampart/xmlsec-1.4.1.jar"/>
    <classpathentry kind="lib" path="lib/backports/backport-util-concurrent.jar"/>
    <classpathentry kind="lib" path="lib/openuddi/openuddi-client-1.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/jaxb-xjc-2.1.7.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/jaxen-1.1.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/jettison-1.0-RC2.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/jibx-bind-1.2.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/jibx-run-1.2.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/log4j-1.2.15.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/mail-1.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/mex-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/neethi-2.0.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/smack-3.0.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/smackx-3.0.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/soapmonitor-1.5.1.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/woden-api-1.0M8.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/woden-impl-dom-1.0M8.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/wsdl4j-1.6.2.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/wstx-asl-3.2.4.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/xalan-2.7.0.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/xercesImpl-2.6.2.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/xml-apis-1.3.02.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/xmlbeans-2.3.0.jar"/>
    <classpathentry kind="lib" path="lib/axis2/core/xml-resolver-1.2.jar"/>
    <classpathentry kind="lib" path="lib/bouncycastle/bcpkix-jdk15on-147.jar"/>
    <classpathentry kind="lib" path="lib/bouncycastle/bcprov-jdk15on-147.jar"/>
    <classpathentry kind="lib" path="lib/nemhandel/dk.gov.oiosi.library-2.1.0.21718.jar"/>
    <classpathentry kind="output" path="bin"/>
</classpath>

【问题讨论】:

    标签: java


    【解决方案1】:

    你不能按照你想要的方式去做。您不能直接在命令行中添加 .classpath 文件(我猜是由 eclipse 生成的)。您需要使用 ant、maven 或 gradle 等外部工具来完成这项工作。或者您可以在主 jar 的 MANIFEST 文件中手动添加所有列出的依赖项。

    编辑:使用 Ant 的解决方案

    1-打开你的 build.xml 文件

    2-添加路径元素:

    <path id="dep.runtime">
        <fileset dir="paht/to/external/dependency/dir"    includes="**/*.jar"/>
    </path>
    

    路径元素是一种抽象用途,用于描述项目所需的库。因此,它必须反映 .classpath 文件的依赖项 kind="lib"。在你的情况下,我给你你的道路的开始,并希望它能帮助你理解它是如何工作的。如果不是,谷歌就是你的朋友。

    <path id="dep.runtime">
            <fileset dir="lib/axis2/core"  includes="**/*.jar"/>
            <fileset dir="lib/axis2/rampart"  includes="**/*.jar"/>
            <fileset dir="lib/axis2/transport"  includes="**/*.jar"/>
            <fileset dir="lib/apache_commons"  includes="**/*.jar"/>
            <fileset dir="lib/axis2/mercury" includes="**/*.jar"/>
            <!--you need to complete this list by inspiring you of those examples -->
    </path>
    

    3-在目标调用“jar”中添加一个 Jar 元素,这取决于负责编译 java 文件的目标。

    <target name="jar" depends="compile">
    
    <!-- This element will write inside the manifest file all your dependencies needed to execute your project.-->
        <manifestclasspath property="manifest_cp" jarfile="myProject.jar" maxParentLevels="10">
    
    <!-- This is the reference to your classpath description inside element path -->
            <classpath refid="dep.runtime" />
        </manifestclasspath>
    
        <jar jarfile="myProject.jar" basedir="./src">
            <manifest>
                <attribute name="Main-Class" value="dk.firma.klient.webservice.OiosiRaspClient"/>
                <attribute name="Class-Path" value="${manifest_cp}"/>
            </manifest>
    
        </jar>
    </target>
    

    4-使用 ant 启动 build.xml(确保 ant 使用名为“jar”的目标)。通常,如果一切顺利,它会生成一个名为 myProject.jar 的 jar。如果您使用 zip 工具打开它,您将看到一个 META-INF/MANIFEST.MF 文件。在其中,有一个 Class-path 行,其中列出了所有依赖项。

    5-键入命令行 java -jar myProject.jar

    如果一切顺利,它将启动您的程序。

    【讨论】:

    • 如何使用ant添加类路径?所有.class 文件都使用ant 编译并使用build.xml 文件构建
    • 尝试使用jar、path和manifestclasspath元素,如stackoverflow.com/questions/16917803/…问题中源代码中给出的示例。
    • 好的,我会用分步教程完成我的答案,给我 5 分钟。
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