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*
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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
/**
* @test
* @bug 6341866
* @summary Source files loaded from source path are not subject to annotation processing
* @modules java.compiler
* jdk.compiler
* @build Anno T6341866
* @run main T6341866
*/
import java.io.*;
import java.util.*;
import javax.annotation.processing.*;
import javax.tools.*;
/**
* For each of a number of implicit compilation scenarios,
* and for each of a set of annotation processing scenarios,
* verify that a class file is generated, or not, for an
* implicitly compiled source file and that the correct
* warning message is given for implicitly compiled files
* when annotation processing.
*/
public class T6341866 {
static final String testSrc = System.getProperty("test.src", ".");
static final String testClasses = System.getProperty("test.classes", ".");
static final File a_java = new File(testSrc, "A.java");
static final File a_class = new File("A.class");
static final File b_java = new File(testSrc, "B.java");
static final File b_class = new File("B.class");
static final File processorServices = services(Processor.class);
enum ImplicitType {
NONE(null), // don't use implicit compilation
OPT_UNSET(null), // implicit compilation, but no -implicit option
OPT_NONE("-implicit:none"), // implicit compilation wiith -implicit:none
OPT_CLASS("-implicit:class"); // implicit compilation wiith -implicit:class
ImplicitType(String opt) {
this.opt = opt;
}
final String opt;
};
enum AnnoType {
NONE, // no annotation processing
SERVICE, // implicit annotation processing, via ServiceLoader
SPECIFY // explicit annotation processing
};
public static void main(String ... args) throws Exception {
boolean ok = true;
// iterate over all combinations
for (ImplicitType implicitType: EnumSet.allOf(ImplicitType.class)) {
for (AnnoType annoType: EnumSet.allOf(AnnoType.class)) {
ok &= test(implicitType, annoType);
}
}
if (!ok)
throw new AssertionError("test failed");
}
/**
* Verify that a class file is generated, or not, for an implicitly compiled source file,
* and that the correct warning message is given for implicitly compiled files when annotation processing.
*/
static boolean test(ImplicitType implicitType, AnnoType annoType) throws IOException {
System.err.println("test implicit=" + implicitType + " anno=" + annoType);
// ensure clean start
a_class.delete();
b_class.delete();
processorServices.delete();
List<String> opts = new ArrayList<String>();
opts.addAll(Arrays.asList("-d", ".", "-sourcepath", testSrc, "-classpath", testClasses, "-Xlint:-options"));
if (implicitType.opt != null)
opts.add(implicitType.opt);
switch (annoType) {
case SERVICE:
createProcessorServices(Anno.class.getName());
break;
case SPECIFY:
opts.addAll(Arrays.asList("-processor", Anno.class.getName()));
break;
}
JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
MyDiagListener dl = new MyDiagListener();
try (StandardJavaFileManager fm = javac.getStandardFileManager(dl, null, null)) {
// Note: class A references class B, so compile A if we want implicit compilation
File file = (implicitType != ImplicitType.NONE) ? a_java : b_java;
Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(file);
//System.err.println("compile: " + opts + " " + files);
boolean ok = javac.getTask(null, fm, dl, opts, null, files).call();
if (!ok) {
error("compilation failed");
return false;
}
// check implicit compilation results if necessary
if (implicitType != ImplicitType.NONE) {
boolean expectClass = (implicitType != ImplicitType.OPT_NONE);
if (b_class.exists() != expectClass) {
if (b_class.exists())
error("B implicitly compiled unexpectedly");
else
error("B not impliictly compiled");
return false;
}
}
// check message key results
String expectKey = null;
if (implicitType == ImplicitType.OPT_UNSET) {
switch (annoType) {
case SERVICE:
expectKey = "compiler.warn.proc.use.proc.or.implicit";
break;
case SPECIFY:
expectKey = "compiler.warn.proc.use.implicit";
break;
}
}
if (expectKey == null) {
if (dl.diagCodes.size() != 0) {
error("no diagnostics expected");
return false;
}
} else {
if (!(dl.diagCodes.size() == 1 && dl.diagCodes.get(0).equals(expectKey))) {
error("unexpected diagnostics generated");
return false;
}
}
return true;
}
}
static void createProcessorServices(String name) throws IOException {
processorServices.getParentFile().mkdirs();
BufferedWriter out = new BufferedWriter(new FileWriter(processorServices));
out.write(name);
out.newLine();
out.close();
}
static class MyDiagListener implements DiagnosticListener<JavaFileObject> {
public void report(Diagnostic d) {
diagCodes.add(d.getCode());
System.err.println(d);
}
List<String> diagCodes = new ArrayList<String>();
}
static void error(String msg) {
System.err.println("ERROR: " + msg);
}
static File services(Class<?> service) {
String[] dirs = { testClasses, "META-INF", "services" };
File dir = null;
for (String d: dirs)
dir = (dir == null ? new File(d) : new File(dir, d));
return new File(dir, service.getName());
}
}