Java Code Examples for org.eclipse.jdt.core.IBuffer#getContents()

private String getContents(IClassFile cf) {
    String source = null;
    if (cf != null) {
        try {
            IBuffer buffer = cf.getBuffer();
            if (buffer != null) {
                source = buffer.getContents();
            }
        } catch (JavaModelException e) {
            logger.log(Level.SEVERE, String.format("Failed to parse the source contents of the class file: %s", e.toString()), e);
        }
        if (source == null) {
            source = "";
        }
    }
    return source;
}
 

@Override
public String getSource(IClassFile classFile, IProgressMonitor monitor) throws CoreException {
	String source = null;
	try {
		IBuffer buffer = classFile.getBuffer();
		if (buffer == null) {
			ProjectsManager projectsManager = JavaLanguageServerPlugin.getProjectsManager();
			if (projectsManager != null) {
				Optional<IBuildSupport> bs = projectsManager.getBuildSupport(classFile.getJavaProject().getProject());
				if (bs.isPresent()) {
					bs.get().discoverSource(classFile, monitor);
				}
			}
			buffer = classFile.getBuffer();
		}
		if (buffer != null) {
			source = buffer.getContents();
			JavaLanguageServerPlugin.logInfo("ClassFile contents request completed");
		}
	} catch (JavaModelException e) {
		JavaLanguageServerPlugin.logException("Exception getting java element ", e);
	}
	return source;
}
 

private void initCallTextAndLineNumber() {
	if (fCallText != null)
		return;

    IBuffer buffer= getBufferForMember();
    if (buffer == null || buffer.getLength() < fEnd) { //binary, without source attachment || buffer contents out of sync (bug 121900)
    	fCallText= ""; //$NON-NLS-1$
    	fLineNumber= UNKNOWN_LINE_NUMBER;
    	return;
    }

    fCallText= buffer.getText(fStart, (fEnd - fStart));

    if (fLineNumber == UNKNOWN_LINE_NUMBER) {
        Document document= new Document(buffer.getContents());
        try {
            fLineNumber= document.getLineOfOffset(fStart) + 1;
        } catch (BadLocationException e) {
            JavaPlugin.log(e);
        }
    }
}
 

public static ICleanUpFix createCleanUp(ICompilationUnit compilationUnit, boolean updateIbmCopyright) throws CoreException {
	if (!updateIbmCopyright)
		return null;
	
	IBuffer buffer= compilationUnit.getBuffer();
	String contents= buffer.getContents();
	
	for (SearchReplacePattern pattern : SEARCH_REPLACE_PATTERNS) {
		Matcher matcher= pattern.getSearchPattern().matcher(contents);
		if (matcher.find(0)) {
			int start= matcher.start();
			int end= matcher.end();
			String substring= contents.substring(start, end);
			
			matcher= pattern.getSearchPattern().matcher(substring);
			String replacement= matcher.replaceFirst(pattern.getReplaceString());
			if (substring.equals(replacement))
				return null;
			
			ReplaceEdit edit= new ReplaceEdit(start, substring.length(), replacement);
			
			CompilationUnitChange change= new CompilationUnitChange("Update Copyright", compilationUnit); //$NON-NLS-1$
			change.setEdit(edit);
			
			return new UpdateCopyrightFix(change);
		}
	}
	
	return null;
}
 

public DocumentAdapter(IBuffer buffer) {
	super(buffer.getContents());
	this.buffer = buffer;
}