2011-12-29 129 views
6

我正在創建我的第一個gradle插件。我試圖將文件從發佈jar複製到我在項目中創建的目錄中。儘管該文件存在於jar中,但我無法將其複製到目錄中。從插件jar中插入Gradle插件文件

這是我的任務代碼:

import org.gradle.api.DefaultTask; 
import org.gradle.api.tasks.TaskAction; 

class InitTask extends DefaultTask { 

    File baseDir; 

    private void copyEnvironment(File environments) { 
    String resource =  getClass().getResource("/environments/development.properties").getFile(); 
    File input = new File(resource); 
    File output = new File(environments, "development.properties"); 

    try { 
     copyFile(input, output); 
    } 
    catch (IOException e) { 
     e.printStackTrace(); 
    } 
    } 

    void copyFile(File sourceFile, File destFile) { 
    destFile << sourceFile.text 
    } 

    @TaskAction 
    void createDirectories() { 
    logger.info "Creating directory." 

    File environments = new File(baseDir, "environments"); 
    File scripts = new File(baseDir, "scripts"); 
    File drivers = new File(baseDir, "drivers"); 

    [environments, scripts, drivers].each { 
     it.mkdirs(); 
    } 

    copyEnvironment(environments); 

    logger.info "Directory created at '${baseDir.absolutePath}'." 
    } 
} 

這是我得到的錯誤:

:init 
java.io.FileNotFoundException:  file:/path-to-jar/MyJar.jar!/environments/development.properties (No such  file or directory) 
    at java.io.FileInputStream.open(Native Method) 
    at java.io.FileInputStream.<init>(FileInputStream.java:120) 
    at groovy.util.CharsetToolkit.<init>(CharsetToolkit.java:69) 
    at org.codehaus.groovy.runtime.DefaultGroovyMethods.newReader(DefaultGroovyMethods.java:15706) 
    at org.codehaus.groovy.runtime.DefaultGroovyMethods.getText(DefaultGroovyMethods.java:14754) 
    at org.codehaus.groovy.runtime.dgm$352.doMethodInvoke(Unknown Source) 
    at org.codehaus.groovy.reflection.GeneratedMetaMethod$Proxy.doMethodInvoke(GeneratedMetaMethod.java:70) 
    at groovy.lang.MetaClassImpl$GetBeanMethodMetaProperty.getProperty(MetaClassImpl.java:3465) 
    at org.codehaus.groovy.runtime.callsite.GetEffectivePojoPropertySite.getProperty(GetEffectivePojoPropertySite.java:61) 
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGetProperty(AbstractCallSite.java:227) 
    at br.com.smartcoders.migration.tasks.InitTask.copyFile(InitTask.groovy:29) 

只是強調,該development.properties是myjar這一內部環境的目錄內.jar

回答

1

getClass().getResource()返回一個URL。要訪問該URL,您必須直接閱讀(例如,使用url.text),而不是先將其轉換爲字符串/文件。或者您可以使用getClass().getResourceAsStream().text,這可能更準確。在這兩種情況下,您都可以選擇指定文件編碼。

+0

Hi @peter!有效! 這是新的copyEnvironment方法: void copyEnvironment(environments)String resource = InitTask.class.getResourceAsStream(「/ environments/development.properties」)。text; 文件輸出=新文件(環境,「development.properties」); 輸出<<資源 } – marceloemanoel 2011-12-29 19:39:09