Example usage for javax.tools DiagnosticCollector DiagnosticCollector

Introduction

In this page you can find the example usage for javax.tools DiagnosticCollector DiagnosticCollector.

Prototype

DiagnosticCollector

Source Link

Usage

From source file:org.wso2.carbon.config.test.annotationprocessor.AnnotationProcessorTest.java

@BeforeClass
public void initClass() {
    //get the java compiler.
    compiler = ToolProvider.getSystemJavaCompiler();
    //configure the diagnostics collector.
    collector = new DiagnosticCollector<>();
    fileManager = compiler.getStandardFileManager(collector, Locale.US, Charset.forName("UTF-8"));
    packagePath = Paths/*from  ww w . jav  a2s .  c o  m*/
            .get("src", "test", "java", "org", "wso2", "carbon", "config", "test", "annotationprocessor")
            .toString();
    classesToCompile = new String[] { Paths.get(packagePath, "TestConfiguration.java").toString() };
}

From source file:org.wso2.carbon.kernel.annotationprocessor.AnnotationProcessorTest.java

@BeforeClass
public void initClass() {
    //get the java compiler.
    compiler = ToolProvider.getSystemJavaCompiler();
    //configure the diagnostics collector.
    collector = new DiagnosticCollector<>();
    fileManager = compiler.getStandardFileManager(collector, Locale.US, Charset.forName("UTF-8"));
    packagePath = Paths.get("src", "test", "java", "org", "wso2", "carbon", "kernel", "annotationprocessor")
            .toString();//from   w  w w  .ja v a2 s . c  o m
    classesToCompile = new String[] { Paths.get(packagePath, "Configurations.java").toString() };
}

From source file:zhwb.study.compiler.CachedCompiler.java

public Map<String, byte[]> compileFromJava(String className, String javaCode) {
    Iterable<? extends JavaFileObject> compilationUnits;
    if (sourceDir != null) {
        String filename = className.replaceAll("\\.", '\\' + File.separator) + ".java";
        File file = new File(sourceDir, filename);
        writeText(file, javaCode);//  w  w  w  .jav a 2s  .  com
        compilationUnits = CompilerUtils.s_standardJavaFileManager.getJavaFileObjects(file);

    } else {
        javaFileObjects.add(new JavaSourceFromString(className, javaCode));
        compilationUnits = javaFileObjects;
    }
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();

    // reuse the same file manager to allow caching of jar files
    Boolean status = CompilerUtils.s_compiler
            .getTask(null, CompilerUtils.s_fileManager, diagnostics, null, null, compilationUnits).call();
    if (!status) {//If compilation error occurs
        /*Iterate through each compilation problem and print it*/
        StringBuilder sb = new StringBuilder();
        sb.append(StringUtils.LF);
        for (Diagnostic diagnostic : diagnostics.getDiagnostics()) {
            sb.append(String.format("Error on line %d in %s", diagnostic.getLineNumber(), diagnostic))
                    .append(StringUtils.LF);
        }
        throw new IllegalStateException(String.format("compile error, %s", sb.toString()));
    }
    return CompilerUtils.s_fileManager.getAllBuffers();
}