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org.eclipse.jdt.internal.compiler.apt.dispatch.BatchFilerImpl Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2006, 2011 BEA Systems, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* [email protected] - initial API and implementation
* [email protected] - Fix for 338370
* IBM Corporation - Fix for validating relative name
*******************************************************************************/
package org.eclipse.jdt.internal.compiler.apt.dispatch;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URI;
import java.util.HashSet;
import javax.annotation.processing.Filer;
import javax.annotation.processing.FilerException;
import javax.lang.model.element.Element;
import javax.tools.FileObject;
import javax.tools.JavaFileManager;
import javax.tools.JavaFileObject;
import javax.tools.StandardLocation;
import javax.tools.JavaFileManager.Location;
import org.eclipse.jdt.internal.compiler.env.ICompilationUnit;
import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
/**
* Implementation of Filer used when compilation is driven by command line
* or by Tool interface. This version does not need to keep track of
* dependencies.
*/
public class BatchFilerImpl implements Filer {
protected final BaseAnnotationProcessorManager _dispatchManager;
protected final BaseProcessingEnvImpl _env;
protected final JavaFileManager _fileManager;
protected final HashSet _createdFiles;
public BatchFilerImpl(BaseAnnotationProcessorManager dispatchManager, BatchProcessingEnvImpl env)
{
_dispatchManager = dispatchManager;
_fileManager = env._fileManager;
_env = env;
_createdFiles = new HashSet();
}
public void addNewUnit(ICompilationUnit unit) {
_env.addNewUnit(unit);
}
public void addNewClassFile(ReferenceBinding binding) {
_env.addNewClassFile(binding);
}
/* (non-Javadoc)
* @see javax.annotation.processing.Filer#createClassFile(java.lang.CharSequence, javax.lang.model.element.Element[])
*/
@Override
public JavaFileObject createClassFile(CharSequence name,
Element... originatingElements) throws IOException {
JavaFileObject jfo = _fileManager.getJavaFileForOutput(
StandardLocation.CLASS_OUTPUT, name.toString(), JavaFileObject.Kind.CLASS, null);
URI uri = jfo.toUri();
if (_createdFiles.contains(uri)) {
throw new FilerException("Class file already created : " + name); //$NON-NLS-1$
}
_createdFiles.add(uri);
return new HookedJavaFileObject(jfo, jfo.getName(), name.toString(), this);
}
/* (non-Javadoc)
* @see javax.annotation.processing.Filer#createResource(javax.tools.JavaFileManager.Location, java.lang.CharSequence, java.lang.CharSequence, javax.lang.model.element.Element[])
*/
@Override
public FileObject createResource(Location location, CharSequence pkg,
CharSequence relativeName, Element... originatingElements)
throws IOException {
validateName(relativeName);
FileObject fo = _fileManager.getFileForOutput(
location, pkg.toString(), relativeName.toString(), null);
URI uri = fo.toUri();
if (_createdFiles.contains(uri)) {
throw new FilerException("Resource already created : " + location + '/' + pkg + '/' + relativeName); //$NON-NLS-1$
}
_createdFiles.add(uri);
return fo;
}
private static void validateName(CharSequence relativeName) {
int length = relativeName.length();
if (length == 0) {
throw new IllegalArgumentException("relative path cannot be empty"); //$NON-NLS-1$
}
String path = relativeName.toString();
if (path.indexOf('\\') != -1) {
// normalize the path with '/'
path = path.replace('\\', '/');
}
if (path.charAt(0) == '/') {
throw new IllegalArgumentException("relative path is absolute"); //$NON-NLS-1$
}
boolean hasDot = false;
for (int i = 0; i < length; i++) {
switch(path.charAt(i)) {
case '/' :
if (hasDot) {
throw new IllegalArgumentException("relative name " + relativeName + " is not relative"); //$NON-NLS-1$ //$NON-NLS-2$
}
break;
case '.' :
hasDot = true;
break;
default:
hasDot = false;
}
}
if (hasDot) {
throw new IllegalArgumentException("relative name " + relativeName + " is not relative"); //$NON-NLS-1$ //$NON-NLS-2$
}
}
/* (non-Javadoc)
* @see javax.annotation.processing.Filer#createSourceFile(java.lang.CharSequence, javax.lang.model.element.Element[])
*/
@Override
public JavaFileObject createSourceFile(CharSequence name,
Element... originatingElements) throws IOException {
JavaFileObject jfo = _fileManager.getJavaFileForOutput(
StandardLocation.SOURCE_OUTPUT, name.toString(), JavaFileObject.Kind.SOURCE, null);
URI uri = jfo.toUri();
if (_createdFiles.contains(uri)) {
throw new FilerException("Source file already created : " + name); //$NON-NLS-1$
}
_createdFiles.add(uri);
// hook the file object's writers to create compilation unit and add to addedUnits()
return new HookedJavaFileObject(jfo, jfo.getName(), name.toString(), this);
}
/* (non-Javadoc)
* @see javax.annotation.processing.Filer#getResource(javax.tools.JavaFileManager.Location, java.lang.CharSequence, java.lang.CharSequence)
*/
@Override
public FileObject getResource(Location location, CharSequence pkg,
CharSequence relativeName) throws IOException {
validateName(relativeName);
FileObject fo = _fileManager.getFileForInput(
location, pkg.toString(), relativeName.toString());
if (fo == null) {
throw new FileNotFoundException("Resource does not exist : " + location + '/' + pkg + '/' + relativeName); //$NON-NLS-1$
}
URI uri = fo.toUri();
if (_createdFiles.contains(uri)) {
throw new FilerException("Resource already created : " + location + '/' + pkg + '/' + relativeName); //$NON-NLS-1$
}
_createdFiles.add(uri);
return fo;
}
}