/** @see Openable#openBuffer(IProgressMonitor, Object) */
protected IBuffer openBuffer(IProgressMonitor pm, Object info) throws JavaModelException {
// create buffer
IBuffer buffer = this.owner.createBuffer(this);
if (buffer == null) return null;
// set the buffer source
if (buffer.getCharacters() == null) {
IBuffer classFileBuffer = this.classFile.getBuffer();
if (classFileBuffer != null) {
buffer.setContents(classFileBuffer.getCharacters());
} else {
// Disassemble
IClassFileReader reader =
ToolFactory.createDefaultClassFileReader(this.classFile, IClassFileReader.ALL);
Disassembler disassembler = new Disassembler();
String contents =
disassembler.disassemble(
reader,
Util.getLineSeparator("", getJavaProject()),
ClassFileBytesDisassembler.WORKING_COPY); // $NON-NLS-1$
buffer.setContents(contents);
}
}
// add buffer to buffer cache
BufferManager bufManager = getBufferManager();
bufManager.addBuffer(buffer);
// listen to buffer changes
buffer.addBufferChangedListener(this);
return buffer;
}
/**
* Determines is the java element contains a type with a specific annotation.
*
* <p>The syntax for the property tester is of the form: qualified or unqualified annotation name
* <li>qualified or unqualified annotation name, required. For example, <code>org.junit.JUnit
* </code>.
* </ol>
*
* @param element the element to check for the method
* @param annotationName the qualified or unqualified name of the annotation to look for
* @return true if the type is found in the element, false otherwise
*/
private boolean hasTypeWithAnnotation(IJavaElement element, String annotationType) {
try {
IType type = getType(element);
if (type == null || !type.exists()) {
return false;
}
IBuffer buffer = null;
IOpenable openable = type.getOpenable();
if (openable instanceof ICompilationUnit) {
buffer = ((ICompilationUnit) openable).getBuffer();
} else if (openable instanceof IClassFile) {
buffer = ((IClassFile) openable).getBuffer();
}
if (buffer == null) {
return false;
}
ISourceRange sourceRange = type.getSourceRange();
ISourceRange nameRange = type.getNameRange();
if (sourceRange != null && nameRange != null) {
IScanner scanner = ToolFactory.createScanner(false, false, true, false);
scanner.setSource(buffer.getCharacters());
scanner.resetTo(sourceRange.getOffset(), nameRange.getOffset());
if (findAnnotation(scanner, annotationType)) {
return true;
}
}
} catch (JavaModelException e) {
} catch (InvalidInputException e) {
}
return false;
}
/** Loads the buffer via SourceMapper, and maps it in SourceMapper */
private IBuffer mapSource(SourceMapper mapper, IBinaryType info, IClassFile bufferOwner) {
char[] contents = mapper.findSource(getType(), info);
if (contents != null) {
// create buffer
IBuffer buffer = BufferManager.createBuffer(bufferOwner);
if (buffer == null) return null;
BufferManager bufManager = getBufferManager();
bufManager.addBuffer(buffer);
// set the buffer source
if (buffer.getCharacters() == null) {
buffer.setContents(contents);
}
// listen to buffer changes
buffer.addBufferChangedListener(this);
// do the source mapping
mapper.mapSource(getOuterMostEnclosingType(), contents, info);
return buffer;
} else {
// create buffer
IBuffer buffer = BufferManager.createNullBuffer(bufferOwner);
if (buffer == null) return null;
BufferManager bufManager = getBufferManager();
bufManager.addBuffer(buffer);
// listen to buffer changes
buffer.addBufferChangedListener(this);
return buffer;
}
}
/** @see ICodeAssist#codeSelect(int, int, WorkingCopyOwner) */
public IJavaElement[] codeSelect(int offset, int length, WorkingCopyOwner owner)
throws JavaModelException {
IBuffer buffer = getBuffer();
char[] contents;
if (buffer != null && (contents = buffer.getCharacters()) != null) {
BinaryType type = (BinaryType) getType();
// GROOVY start
/*old{
BasicCompilationUnit cu = new BasicCompilationUnit(contents, null, type.sourceFileName((IBinaryType) type.getElementInfo()));
}new*/
// handle code select for Groovy files differently
IBinaryType typeInfo = (IBinaryType) type.getElementInfo();
if (LanguageSupportFactory.isInterestingBinary(type, typeInfo)) {
return LanguageSupportFactory.binaryCodeSelect(this, offset, length, owner);
}
BasicCompilationUnit cu =
new BasicCompilationUnit(contents, null, type.sourceFileName(typeInfo));
// GROOVY end
return super.codeSelect(cu, offset, length, owner);
} else {
// has no associated souce
return new IJavaElement[] {};
}
}
public char[] getContents() {
try {
IBuffer buffer = getBuffer();
if (buffer == null) return CharOperation.NO_CHAR;
char[] characters = buffer.getCharacters();
if (characters == null) return CharOperation.NO_CHAR;
return characters;
} catch (JavaModelException e) {
return CharOperation.NO_CHAR;
}
}
/**
* Determines is the java element contains a method with a specific annotation.
*
* <p>The syntax for the property tester is of the form: qualified or unqualified annotation name,
* modifiers
* <li>qualified or unqualified annotation name, required. For example, <code>org.junit.JUnit
* </code>.
* <li>modifiers - optional space separated list of modifiers, for example, <code>public static
* </code>.
* </ol>
*
* @param element the element to check for the method
* @param annotationName the qualified or unqualified name of the annotation to look for
* @return true if the method is found in the element, false otherwise
*/
private boolean hasMethodWithAnnotation(IJavaElement element, Object[] args) {
try {
String annotationType = (String) args[0];
int flags = 0;
if (args.length > 1) {
String[] modifiers = ((String) args[1]).split(" "); // $NON-NLS-1$
for (int j = 0; j < modifiers.length; j++) {
String modifier = modifiers[j];
Integer flag = (Integer) fgModifiers.get(modifier);
if (flag != null) {
flags = flags | flag.intValue();
}
}
} else {
flags = -1;
}
IType type = getType(element);
if (type == null || !type.exists()) {
return false;
}
IMethod[] methods = type.getMethods();
if (methods.length == 0) {
return false;
}
IBuffer buffer = null;
IOpenable openable = type.getOpenable();
if (openable instanceof ICompilationUnit) {
buffer = ((ICompilationUnit) openable).getBuffer();
} else if (openable instanceof IClassFile) {
buffer = ((IClassFile) openable).getBuffer();
}
if (buffer == null) {
return false;
}
IScanner scanner = null; // delay initialization
for (int i = 0; i < methods.length; i++) {
IMethod curr = methods[i];
if (curr.isConstructor() || (flags != -1 && flags != (curr.getFlags() & FLAGS_MASK))) {
continue;
}
ISourceRange sourceRange = curr.getSourceRange();
ISourceRange nameRange = curr.getNameRange();
if (sourceRange != null && nameRange != null) {
if (scanner == null) {
scanner = ToolFactory.createScanner(false, false, true, false);
scanner.setSource(buffer.getCharacters());
}
scanner.resetTo(sourceRange.getOffset(), nameRange.getOffset());
if (findAnnotation(scanner, annotationType)) {
return true;
}
}
}
} catch (JavaModelException e) {
} catch (InvalidInputException e) {
}
return false;
}
/** @exception JavaModelException if setting the source of the original compilation unit fails */
protected void executeOperation() throws JavaModelException {
try {
beginTask(Messages.workingCopy_commit, 2);
CompilationUnit workingCopy = getCompilationUnit();
if (ExternalJavaProject.EXTERNAL_PROJECT_NAME.equals(
workingCopy.getJavaProject().getElementName())) {
// case of a working copy without a resource
workingCopy.getBuffer().save(this.progressMonitor, this.force);
return;
}
ICompilationUnit primary = workingCopy.getPrimary();
boolean isPrimary = workingCopy.isPrimary();
JavaElementDeltaBuilder deltaBuilder = null;
PackageFragmentRoot root =
(PackageFragmentRoot) workingCopy.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
boolean isIncluded = !Util.isExcluded(workingCopy);
IFile resource = (IFile) workingCopy.getResource();
IJavaProject project = root.getJavaProject();
if (isPrimary
|| (root.validateOnClasspath().isOK()
&& isIncluded
&& resource.isAccessible()
&& Util.isValidCompilationUnitName(
workingCopy.getElementName(),
project.getOption(JavaCore.COMPILER_SOURCE, true),
project.getOption(JavaCore.COMPILER_COMPLIANCE, true)))) {
// force opening so that the delta builder can get the old info
if (!isPrimary && !primary.isOpen()) {
primary.open(null);
}
// creates the delta builder (this remembers the content of the cu) if:
// - it is not excluded
// - and it is not a primary or it is a non-consistent primary
if (isIncluded && (!isPrimary || !workingCopy.isConsistent())) {
deltaBuilder = new JavaElementDeltaBuilder(primary);
}
// save the cu
IBuffer primaryBuffer = primary.getBuffer();
if (!isPrimary) {
if (primaryBuffer == null) return;
char[] primaryContents = primaryBuffer.getCharacters();
boolean hasSaved = false;
try {
IBuffer workingCopyBuffer = workingCopy.getBuffer();
if (workingCopyBuffer == null) return;
primaryBuffer.setContents(workingCopyBuffer.getCharacters());
primaryBuffer.save(this.progressMonitor, this.force);
primary.makeConsistent(this);
hasSaved = true;
} finally {
if (!hasSaved) {
// restore original buffer contents since something went wrong
primaryBuffer.setContents(primaryContents);
}
}
} else {
// for a primary working copy no need to set the content of the buffer again
primaryBuffer.save(this.progressMonitor, this.force);
primary.makeConsistent(this);
}
} else {
// working copy on cu outside classpath OR resource doesn't exist yet
String encoding = null;
try {
encoding = resource.getCharset();
} catch (CoreException ce) {
// use no encoding
}
String contents = workingCopy.getSource();
if (contents == null) return;
try {
byte[] bytes = encoding == null ? contents.getBytes() : contents.getBytes(encoding);
ByteArrayInputStream stream = new ByteArrayInputStream(bytes);
if (resource.exists()) {
resource.setContents(
stream,
this.force ? IResource.FORCE | IResource.KEEP_HISTORY : IResource.KEEP_HISTORY,
null);
} else {
resource.create(stream, this.force, this.progressMonitor);
}
} catch (CoreException e) {
throw new JavaModelException(e);
} catch (UnsupportedEncodingException e) {
throw new JavaModelException(e, IJavaModelStatusConstants.IO_EXCEPTION);
}
}
setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
// make sure working copy is in sync
workingCopy.updateTimeStamp((CompilationUnit) primary);
workingCopy.makeConsistent(this);
worked(1);
// build the deltas
if (deltaBuilder != null) {
deltaBuilder.buildDeltas();
// add the deltas to the list of deltas created during this operation
if (deltaBuilder.delta != null) {
addDelta(deltaBuilder.delta);
}
}
worked(1);
} finally {
done();
}
}
