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/*
* Copyright © 2010-2011 Reinier Zwitserloot, Roel Spilker and Robbert Jan Grootjans.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.javac.apt;
import java.lang.reflect.Method;
import javax.tools.JavaFileManager;
import javax.tools.JavaFileObject;
import javax.tools.JavaFileObject.Kind;
import lombok.core.DiagnosticsReceiver;
//Can't use SimpleJavaFileObject so we copy/paste most of its content here, because javac doesn't follow the interface,
//and casts to its own BaseFileObject type. D'oh!
final class LombokFileObjects {
private enum Compiler {
JAVAC6 {
@Override public JavaFileObject wrap(JavaFileManager fileManager, LombokFileObject fileObject) {
return new Javac6BaseFileObjectWrapper(fileObject);
}
},
JAVAC7 {
@Override public JavaFileObject wrap(JavaFileManager fileManager, LombokFileObject fileObject) {
return new Javac7BaseFileObjectWrapper((com.sun.tools.javac.file.JavacFileManager)fileManager, fileObject);
}
};
abstract JavaFileObject wrap(JavaFileManager fileManager, LombokFileObject fileObject);
}
private static final Compiler compiler;
private static final Method decoderMethod;
static {
Compiler c = null;
Method m = null;
try {
// In javac6, the BaseFileObject is located in
// com.sun.tools.javac.util
Class<?> clazz = Class.forName("com.sun.tools.javac.util.BaseFileObject");
c = Compiler.JAVAC6;
try {
// The getDecoder method is not always present in javac6
m = clazz.getDeclaredMethod("getDecoder", boolean.class);
} catch (NoSuchMethodException e) {}
} catch (ClassNotFoundException cnfe) {
// In javac7, the BaseFileObject has been moved to the package
// com.sun.tools.javac.file
try {
Class<?> clazz = Class.forName("com.sun.tools.javac.file.BaseFileObject");
c = Compiler.JAVAC7;
try {
m = clazz.getDeclaredMethod("getDecoder", boolean.class);
} catch (NoSuchMethodException e) {}
} catch (ClassNotFoundException cnfe2) {
}
}
compiler = c;
if (m != null) {
m.setAccessible(true);
}
decoderMethod = m;
}
private LombokFileObjects() {}
static JavaFileObject createEmpty(JavaFileManager fileManager, String name, Kind kind) {
return compiler.wrap(fileManager, new EmptyLombokFileObject(name, kind));
}
static JavaFileObject createIntercepting(JavaFileManager fileManager, JavaFileObject delegate, String fileName, DiagnosticsReceiver diagnostics) {
return compiler.wrap(fileManager, new InterceptingJavaFileObject(delegate, fileName, diagnostics, decoderMethod));
}
}
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