Examples with IAstWriter net.sourceforge.pmd.eclipse.runtime.writer.IAstWriter used on opensource projects

Example 1 with IAstWriter

use of net.sourceforge.pmd.eclipse.runtime.writer.IAstWriter in project pmd-eclipse-plugin by pmd.

the class PMDGenerateASTAction method generateAST.

/**
 * Generate a AST for a file
 *
 * @param file
 *            a file
 */
private void generateAST(IFile file) {
    LOG.info("Generating AST for file " + file.getName());
    ByteArrayOutputStream byteArrayOutputStream = null;
    ByteArrayInputStream astInputStream = null;
    try {
        JavaParser parser = new JavaParser(new JavaCharStream(file.getContents()));
        parser.setJdkVersion(Integer.MAX_VALUE);
        ASTCompilationUnit compilationUnit = parser.CompilationUnit();
        byteArrayOutputStream = new ByteArrayOutputStream();
        IAstWriter astWriter = PMDPlugin.getDefault().getAstWriter();
        astWriter.write(byteArrayOutputStream, compilationUnit);
        byteArrayOutputStream.flush();
        IFile astFile = createASTFile(file);
        if (astFile != null) {
            if (astFile.exists()) {
                astFile.delete(false, null);
            }
            astInputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
            astFile.create(astInputStream, false, null);
        }
    } catch (CoreException e) {
        showErrorById(StringKeys.ERROR_CORE_EXCEPTION, e);
    } catch (ParseException e) {
        showErrorById(StringKeys.ERROR_PMD_EXCEPTION, e);
    } catch (WriterException e) {
        showErrorById(StringKeys.ERROR_PMD_EXCEPTION, e);
    } catch (IOException e) {
        showErrorById(StringKeys.ERROR_IO_EXCEPTION, e);
    } finally {
        IOUtil.closeQuietly(byteArrayOutputStream);
        IOUtil.closeQuietly(astInputStream);
    }
}