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/*
* Copyright © 2010 Reinier Zwitserloot and Roel Spilker.
*
* 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.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.StringReader;
import java.io.Writer;
import java.net.URI;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CodingErrorAction;
import java.util.Iterator;
import java.util.Set;
import javax.lang.model.element.Modifier;
import javax.lang.model.element.NestingKind;
import javax.tools.FileObject;
import javax.tools.JavaFileManager;
import javax.tools.JavaFileObject;
import javax.tools.JavaFileObject.Kind;
import com.sun.tools.javac.util.BaseFileObject;
import lombok.core.DiagnosticsReceiver;
final class InterceptingJavaFileManager implements JavaFileManager {
private final JavaFileManager delegate;
private final DiagnosticsReceiver diagnostics;
InterceptingJavaFileManager(JavaFileManager original, DiagnosticsReceiver diagnostics) {
this.delegate = original;
this.diagnostics = diagnostics;
}
@Override public JavaFileObject getJavaFileForOutput(Location location, String className, final Kind kind, FileObject sibling) throws IOException {
if (className.startsWith("lombok.dummy.ForceNewRound")) {
final String name = className.replace(".", "/") + kind.extension;
// 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!
return new BaseFileObject() {
@Override public boolean isNameCompatible(String simpleName, Kind kind) {
String baseName = simpleName + kind.extension;
return kind.equals(getKind())
&& (baseName.equals(toUri().getPath())
|| toUri().getPath().endsWith("/" + baseName));
}
@Override public URI toUri() {
return URI.create(name);
}
@Override public InputStream openInputStream() throws IOException {
return new ByteArrayInputStream(new byte[0]);
}
@Override public OutputStream openOutputStream() throws IOException {
return new ByteArrayOutputStream();
}
@Override public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
return "";
}
@Override public Writer openWriter() throws IOException {
return new OutputStreamWriter(openOutputStream());
}
@Override public long getLastModified() {
return 0L;
}
@Override public boolean delete() {
return false;
}
@Override public Kind getKind() {
return kind;
}
@SuppressWarnings("all")
@Override public String getName() {
return toUri().getPath();
}
@Override public NestingKind getNestingKind() {
return null;
}
@Override public Modifier getAccessLevel() {
return null;
}
@Override public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
return new StringReader("");
}
protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) {
CharsetDecoder decoder = Charset.forName("UTF-8").newDecoder();
CodingErrorAction action = ignoreEncodingErrors ? CodingErrorAction.REPLACE : CodingErrorAction.REPORT;
return decoder.onMalformedInput(action).onUnmappableCharacter(action);
}
};
}
JavaFileObject fileObject = delegate.getJavaFileForOutput(location, className, kind, sibling);
if (kind != Kind.CLASS) {
return fileObject;
}
return new InterceptingJavaFileObject(fileObject, className, diagnostics);
}
/////////////////////// NOTHING CHANGED BELOW //////////////////////////////////////
@Override public void close() throws IOException {
delegate.close();
}
@Override public void flush() throws IOException {
delegate.flush();
}
@Override public ClassLoader getClassLoader(Location location) {
return delegate.getClassLoader(location);
}
@Override public FileObject getFileForInput(Location location, String packageName, String relativeName) throws IOException {
return delegate.getFileForInput(location, packageName, relativeName);
}
@Override public FileObject getFileForOutput(Location location, String packageName, String relativeName, FileObject sibling) throws IOException {
return delegate.getFileForOutput(location, packageName, relativeName, sibling);
}
@Override public JavaFileObject getJavaFileForInput(Location location, String className, Kind kind) throws IOException {
return delegate.getJavaFileForInput(location, className, kind);
}
@Override public boolean handleOption(String current, Iterator<String> remaining) {
return delegate.handleOption(current, remaining);
}
@Override public boolean hasLocation(Location location) {
return delegate.hasLocation(location);
}
@Override public String inferBinaryName(Location location, JavaFileObject file) {
return delegate.inferBinaryName(location, file);
}
@Override public boolean isSameFile(FileObject a, FileObject b) {
return delegate.isSameFile(a, b);
}
@Override public Iterable<JavaFileObject> list(Location location, String packageName, Set<Kind> kinds, boolean recurse) throws IOException {
return delegate.list(location, packageName, kinds, recurse);
}
@Override public int isSupportedOption(String option) {
return delegate.isSupportedOption(option);
}
}
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