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/*
* Copyright (C) 2010-2020 The Project Lombok Authors.
*
* 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.io.IOException;
import java.lang.reflect.Method;
import java.net.URI;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Iterator;
import java.util.Set;
import javax.tools.FileObject;
import javax.tools.JavaFileManager;
import javax.tools.JavaFileObject;
import javax.tools.JavaFileObject.Kind;
import com.sun.tools.javac.file.BaseFileManager;
class Java9Compiler implements lombok.javac.apt.LombokFileObjects.Compiler {
private final BaseFileManager fileManager;
public Java9Compiler(JavaFileManager jfm) {
fileManager = asBaseFileManager(jfm);
}
@Override public JavaFileObject wrap(LombokFileObject fileObject) {
Path p; try {
p = toPath(fileObject);
} catch (Exception e) {
p = null;
}
// J9BFOW extends javac's internal file base impl of javax.tools.JavaFileObject.
// J9JFOW just straight implements it. Probably J9JFOW is fine, but we decided to extend java's internal impl possibly for a reason.
// Some exotic build environments don't _have_ file objects and crash with FileNotFoundEx, so if that happens, let's try the alternative.
if (p != null) return new Javac9BaseFileObjectWrapper(fileManager, p, fileObject);
return new Javac9JavaFileObjectWrapper(fileObject);
}
@Override public Method getDecoderMethod() {
return null;
}
private static Path toPath(LombokFileObject fileObject) {
URI uri = fileObject.toUri();
if (uri.getScheme() == null) {
uri = URI.create("file:///" + uri);
}
try {
return Paths.get(uri);
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException("Problems in URI '" + uri + "' (" + fileObject.toUri() + ")", e);
}
}
private static BaseFileManager asBaseFileManager(JavaFileManager jfm) {
if (jfm instanceof BaseFileManager) {
return (BaseFileManager) jfm;
}
return new FileManagerWrapper(jfm);
}
static class FileManagerWrapper extends BaseFileManager {
JavaFileManager manager;
public FileManagerWrapper(JavaFileManager manager) {
super(null);
this.manager = manager;
}
@Override
public int isSupportedOption(String option) {
return manager.isSupportedOption(option);
}
@Override
public ClassLoader getClassLoader(Location location) {
return manager.getClassLoader(location);
}
@Override
public Iterable<JavaFileObject> list(Location location, String packageName, Set<Kind> kinds, boolean recurse) throws IOException {
return manager.list(location, packageName, kinds, recurse);
}
@Override
public String inferBinaryName(Location location, JavaFileObject file) {
return manager.inferBinaryName(location, file);
}
@Override
public boolean isSameFile(FileObject a, FileObject b) {
return manager.isSameFile(a, b);
}
@Override
public boolean handleOption(String current, Iterator<String> remaining) {
return manager.handleOption(current, remaining);
}
@Override
public boolean hasLocation(Location location) {
return manager.hasLocation(location);
}
@Override
public JavaFileObject getJavaFileForInput(Location location, String className, Kind kind) throws IOException {
return manager.getJavaFileForInput(location, className, kind);
}
@Override
public JavaFileObject getJavaFileForOutput(Location location, String className, Kind kind, FileObject sibling) throws IOException {
return manager.getJavaFileForOutput(location, className, kind, sibling);
}
@Override
public FileObject getFileForInput(Location location, String packageName, String relativeName) throws IOException {
return manager.getFileForInput(location, packageName, relativeName);
}
@Override
public FileObject getFileForOutput(Location location, String packageName, String relativeName, FileObject sibling) throws IOException {
return manager.getFileForOutput(location, packageName, relativeName, sibling);
}
@Override
public void flush() throws IOException {
manager.flush();
}
@Override
public void close() throws IOException {
manager.close();
}
}
}
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