使用Square的Wire生成Protobuf java文件

时间:2016-03-04 01:51:02

标签: android android-gradle build.gradle maven-plugin square

我正在尝试从Android工作室中存储在我的SRC文件夹下的.proto文件生成.java文件。我将下面的代码放在我的gradle文件中,它似乎不起作用

apply plugin: 'com.squareup.wire'

buildscript {
  repositories {
    mavenCentral()
  }
  dependencies {
    classpath 'com.squareup.wire:wire-maven-plugin:2.1.1'
  }
}

2 个答案:

答案 0 :(得分:4)

这里有一个gradle插件:https://github.com/square/wire-gradle-plugin。但是,黄金时段好像是not quite ready。我在使用它时遇到了一些麻烦。

但是,这是一种方法,可以直接使用线编译器和简单的gradle任务自动生成* .proto文件中的java代码。我在下面提供了一个片段,其中包含对build.gradle的修改。根据源布局更改protoPath和wireGeneratedPath。

def protoPath = 'src/proto'
def wireGeneratedPath = 'build/generated/source/wire'

buildscript {
    repositories {
        mavenCentral()
    }

    dependencies {
        classpath 'com.squareup.wire:wire-compiler:2.2.0'
    }
}

android {
    sourceSets {
        main {
            java {
                include wireGeneratedPath
            }
        }
    }
}

dependencies {
    compile 'com.squareup.wire:wire-runtime:2.2.0'
    // Leave this out if you're not doing integration testing...
    androidTestCompile 'com.squareup.wire:wire-runtime:2.2.0'
}

// This handles the protocol buffer generation with wire
task generateWireClasses {
    description = 'Generate Java classes from protocol buffer (.proto) schema files for use with squareup\'s wire library'
    delete(wireGeneratedPath)
    fileTree(dir: protoPath, include: '**/*.proto').each { File file ->
        doLast {
            javaexec {
                main = 'com.squareup.wire.WireCompiler'
                classpath = buildscript.configurations.classpath
                args = ["--proto_path=${protoPath}", "--java_out=${wireGeneratedPath}", "${file}"]
            }
        }
    }
}

preBuild.dependsOn generateWireClasses

答案 1 :(得分:2)

因此,我没有使用gradle插件,而是最终使用了方形线编译器jar。以下是步骤。

  1. http://search.maven.org/#artifactdetails%7Ccom.squareup.wire%7Cwire-compiler%7C2.1.1%7Cjar
  2. 下载编译器jar-with-dependencies
  3. 将jar文件放入android app的根目录
  4. 转到目录并粘贴此命令

    java -jar wire-compiler-2.1.1-jar-with-dependencies.jar --proto_path=directory-of-protofile --java_out=app/src/main/java/ name-of-file.proto
    
  5. 应该有效。请确保将directory-of-protofilename-of-file替换为您拥有的任何内容。