功能：利用java 生成java類 ，并上傳至maven私服

使用開源框架：https://github.com/square/javapoet JavaWriter分支

環境：jdk1.8 mavem

import com.squareup.javawriter.JavaWriter;

public class TestClz {

@Test

public void genrateJava() throws IOException {

enumDeclaration();

isOSLinux();

Runtime runtime=Runtime.getRuntime();

try {

Process exec1 = runtime.exec("cmd /k cd D:\\javawriter\\generate && javac TestEnum.java && jar cvf test.jar TestEnum.class &&" +

" mvn deploy:deploy-file -DgroupId=org.testulitmate -DartifactId=code-test -Dversion=0.0.2-SNAPSHOT -Dpackaging=jar -Dfile=D:/javawriter/generate/test.jar -Durl=http://0.0.0.0:8081/nexus/content/repositories/hry-snapshots -DrepositoryId=hry-snapshots");

} catch (IOException e) {

e.printStackTrace();

}

}

/**

*生成java類

**/

public static void enumDeclaration() throws IOException {

JavaWriter javaWriter = getReader("TestEnum");

// 生成的包名

javaWriter.emitPackage("com.javawriter.generate");

//定義生成類的信息 類名 類型 訪問修飾符 注釋

javaWriter.beginType("TestEnum", "enum", EnumSet.of(PUBLIC)).emitJavadoc("this is enum.");

javaWriter.emitEnumValues(Arrays.asList("ZIP","WAR","TAG","Z7"));

javaWriter.endType().close();

}

/**

*構建 javaWriter對象

**/

public static JavaWriter getReader(String className)throws IOException {

String packageName = "com.javawriter.generate";

File outFile = new File("src/main/java/" + packageName.replaceAll("\\.", "/") + "/" + className + ".java");

if(!outFile.getParentFile().exists()) {

outFile.getParentFile().mkdirs();

}

if (!outFile.exists()) {

outFile.createNewFile();

}

System.out.println(outFile.getAbsolutePath());

OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(outFile));

JavaWriter javaWriter=new JavaWriter(writer);

return javaWriter;

}

/**

*判斷是否 是liunx

**/

public static boolean isOSLinux() {

Properties prop = System.getProperties();

String os = prop.getProperty("os.name");

System.out.println(os);

if (os != null && os.toLowerCase().indexOf("linux") > -1) {

return true;

} else {

return false;

}

}

}

總結

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