如何创建使用Ant捆绑运行的JAR [英] how to create a bundled runnable jar using Ant
问题描述
我看了<一个href=\"http://stackoverflow.com/questions/9806566/run-a-jar-file-generated-by-ant-in-command-line\">this问题，但它并没有真正解决我的问题，所以我想我会发布一个新的。
I looked at this question, but it didn't really solve my problem, so I figured I'd post a new one.
我需要创建使用Ant运行的JAR（通过双击可运行简单）。我有以下的Java code和build.xml文件，其中编译code就好了，并创建一个jar文件，但是当我尝试运行通过双击的jar，我得到一个消息，说不能找到主类：HttpController.java
I need to create a runnable jar (runnable simply by double clicking) using Ant. I have the following java code and build.xml file, which compiles the code just fine and creates a jar file, but when I try to run the jar by double clicking, i get a message saying "Could not find main class: HttpController.java."
我有我的问题与加载外部做猜疑阿帕奇Http.jar ，我已经成功地构建并运行一个项目，是相同的一个罐子，但它不引用任何外部罐。
I have the suspicion that my problem has to do with loading the external Apache Http.jar, as I have successfully built and run a jar for a project that is identical, except that it does not reference any external jars.
下面是我的code：
HttpController.java：
HttpController.java:
package pack;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpMessage;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
public class HttpController {
public static void main(String[] args) {
DefaultHttpClient client = new DefaultHttpClient();
HttpHost httphost = new HttpHost("localhost", 80);
try {
HttpMessage req = new HttpGet("/test.html");
HttpResponse resp = client.execute(httphost, (HttpGet) req);
HttpEntity entity = resp.getEntity();
BufferedReader in = new BufferedReader(new InputStreamReader(
entity.getContent()));
String line = null;
while ((line = in.readLine()) != null) {
System.out.println(line);
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
// shutdown the connection
client.getConnectionManager().shutdown();
}
}
}
build.xml文件：
build.xml:
<?xml version="1.0" encoding="ISO-8859-1"?>
<project name="Test" basedir="." default="jar">
<property name="source.dir" value="src"/>
<property name="lib.dir" value="lib"/>
<property name="class.dir" value="bin"/>
<property name="jar.dir" value="dist"/>
<property name="main-class" value="pack.HttpController"/>
<path id="libraries.path">
<fileset dir="${lib.dir}">
<include name="*.jar"/>
</fileset>
</path>
<target name="clean" description="delete old files">
<delete dir="${class.dir}"/>
<delete dir="${jar.dir}"/>
</target>
<target name="compile" description="build class files" depends="clean">
<mkdir dir="${class.dir}"/>
<javac srcdir="${source.dir}" destdir="${class.dir}">
<classpath refid="libraries.path"/>
</javac>
</target>
<target name="jar" depends="compile">
<mkdir dir="${jar.dir}"/>
<mkdir dir="${jar.dir}/${lib.dir}"/>
<copy todir="${jar.dir}/${lib.dir}" flatten="true">
<path refid="libraries.path"/>
</copy>
<jar destfile="${jar.dir}/${ant.project.name}.jar" basedir="${class.dir}">
<manifest>
<attribute name="Main-Class" value="${main-class}"/>
<attribute name="Class-Path" value="${jar.dir}/${lib.dir}/Apache HTTP.jar"/>
</manifest>
</jar>
</target>
<target name="run" depends="jar">
<java jar="${jar.dir}/${ant.project.name}.jar" fork="true"/>
</target>
</project>
MANIFEST.MF：
MANIFEST.MF:
Manifest-Version: 1.0
Ant-Version: Apache Ant 1.8.3
Created-By: 1.6.0_31-b05 (Sun Microsystems Inc.)
Main-Class: HttpController
Class-Path: dist/lib
修改 build.xml文件已更新为每迈克的回答。问题仍然没有解决。还贴出清单文件的内容，按照Danation的答案。
EDIT build.xml has been updated as per Mike's answer. Problem is still not solved. Also posted contents of manifest file, as per Danation's answer.
推荐答案
略...
我已经重新设计build.xml文件正确包括jar文件，并在清单类路径的库。我假设你的阿帕奇http.jar文件是Apache核心的包装，并包含在它的其他几个jar文件为Apache客户端等。
I have reworked your build.xml file to properly include the libraries in the jar file and in the Manifest classpath. I'm assuming that your "apache http.jar" file is a wrapper for Apache Core, and contains several other jar files in it for the apache client, etc.
的build.xml
build.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<project name="Test" basedir="." default="jar">
<property name="source.dir" value="src"/>
<property name="lib.dir" value="lib"/>
<property name="class.dir" value="bin"/>
<property name="jar.dir" value="dist"/>
<property name="jar.file" value="${jar.dir}/${ant.project.name}.jar"/>
<property name="main-class" value="pack.HttpController"/>
<path id="libraries.path">
<fileset dir="${lib.dir}">
<include name="*.jar"/>
</fileset>
</path>
<target name="clean" description="delete old files">
<delete dir="${class.dir}"/>
<delete dir="${jar.dir}"/>
</target>
<target name="compile" description="build class files" depends="clean">
<mkdir dir="${class.dir}"/>
<javac srcdir="${source.dir}" destdir="${class.dir}">
<classpath refid="libraries.path"/>
</javac>
</target>
<target name="jar" depends="compile">
<mkdir dir="${jar.dir}"/>
<mkdir dir="${class.dir}/${lib.dir}"/>
<copy todir="${class.dir}/${lib.dir}" flatten="true">
<path refid="libraries.path"/>
</copy>
<manifestclasspath property="manifest.classpath" jarfile="${jar.file}">
<classpath refid="libraries.path"/>
</manifestclasspath>
<jar destfile="${jar.file}" basedir="${class.dir}">
<manifest>
<attribute name="Main-Class" value="${main-class}"/>
<attribute name="Class-Path" value="${manifest.classpath}"/>
</manifest>
</jar>
</target>
<target name="run" depends="jar">
<java jar="${jar.dir}/${ant.project.name}.jar" fork="true"/>
</target>
</project>
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