logic: implemented writing Java exceptions to log file
This commit is contained in:
mlangkabel
@@ -1,5 +1,7 @@
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package com.sourcetrail;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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@@ -26,110 +28,119 @@ public class JavaIndexer
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public static void processFile(AstVisitorClient astVisitorClient, String filePath, String fileContent, String languageStandard, String classPath, int verbose)
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{
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astVisitorClient.logInfo("indexing source file: " + filePath);
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try
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{
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astVisitorClient.logInfo("indexing source file: " + filePath);
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Path path = Paths.get(filePath);
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Path path = Paths.get(filePath);
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ASTParser parser = ASTParser.newParser(AST.JLS8);
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parser.setResolveBindings(true); // solve "bindings" like the declatarion of the type used in a var decl
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parser.setKind(ASTParser.K_COMPILATION_UNIT); // specify to parse the entire compilation unit
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parser.setBindingsRecovery(true); // also return bindings that are not resolved completely
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parser.setStatementsRecovery(true);
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Hashtable<String, String> options = JavaCore.getOptions();
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String convertedLanguageStandard;
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switch (languageStandard)
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{
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case "1":
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convertedLanguageStandard = JavaCore.VERSION_1_1;
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break;
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case "2":
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convertedLanguageStandard = JavaCore.VERSION_1_2;
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break;
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case "3":
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convertedLanguageStandard = JavaCore.VERSION_1_3;
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break;
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case "4":
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convertedLanguageStandard = JavaCore.VERSION_1_4;
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break;
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case "5":
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convertedLanguageStandard = JavaCore.VERSION_1_5;
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break;
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case "6":
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convertedLanguageStandard = JavaCore.VERSION_1_6;
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break;
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case "7":
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convertedLanguageStandard = JavaCore.VERSION_1_7;
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break;
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case "8":
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default:
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convertedLanguageStandard = JavaCore.VERSION_1_8;
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break;
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}
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ASTParser parser = ASTParser.newParser(AST.JLS8);
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parser.setResolveBindings(true); // solve "bindings" like the declatarion of the type used in a var decl
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parser.setKind(ASTParser.K_COMPILATION_UNIT); // specify to parse the entire compilation unit
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parser.setBindingsRecovery(true); // also return bindings that are not resolved completely
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parser.setStatementsRecovery(true);
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Hashtable<String, String> options = JavaCore.getOptions();
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String convertedLanguageStandard;
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switch (languageStandard)
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{
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case "1":
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convertedLanguageStandard = JavaCore.VERSION_1_1;
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break;
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case "2":
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convertedLanguageStandard = JavaCore.VERSION_1_2;
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break;
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case "3":
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convertedLanguageStandard = JavaCore.VERSION_1_3;
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break;
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case "4":
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convertedLanguageStandard = JavaCore.VERSION_1_4;
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break;
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case "5":
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convertedLanguageStandard = JavaCore.VERSION_1_5;
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break;
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case "6":
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convertedLanguageStandard = JavaCore.VERSION_1_6;
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break;
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case "7":
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convertedLanguageStandard = JavaCore.VERSION_1_7;
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break;
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case "8":
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default:
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convertedLanguageStandard = JavaCore.VERSION_1_8;
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break;
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}
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astVisitorClient.logInfo("using language standard " + convertedLanguageStandard);
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JavaCore.setComplianceOptions(convertedLanguageStandard, options);
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parser.setCompilerOptions(options);
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parser.setUnitName(path.getFileName().toString());
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List<String> classpath = new ArrayList<>();
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List<String> sources = new ArrayList<>();
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for (String classPathEntry: classPath.split("\\;"))
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{
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if (classPathEntry.endsWith(".jar"))
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{
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classpath.add(classPathEntry);
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}
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else if (!classPathEntry.isEmpty())
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{
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sources.add(classPathEntry);
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}
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}
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parser.setEnvironment(classpath.toArray(new String[0]), sources.toArray(new String[0]), null, true);
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parser.setSource(fileContent.toCharArray());
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CompilationUnit cu = (CompilationUnit) parser.createAST(null);
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ASTVisitor visitor;
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if (verbose != 0)
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{
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visitor = new VerboseContextAwareAstVisitor(astVisitorClient, path.toFile(), fileContent, cu);
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}
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else
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{
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visitor = new ContextAwareAstVisitor(astVisitorClient, path.toFile(), fileContent, cu);
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}
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cu.accept(visitor);
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for (IProblem problem: cu.getProblems())
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{
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if (problem.isError())
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{
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Range range = new Range(
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cu.getLineNumber(problem.getSourceStart()),
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cu.getColumnNumber(problem.getSourceStart() + 1),
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cu.getLineNumber(problem.getSourceEnd()),
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cu.getColumnNumber(problem.getSourceEnd()) + 1);
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astVisitorClient.recordError(problem.getMessage(), false, true, range);
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}
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}
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for (Object commentObject: cu.getCommentList())
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{
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if ((commentObject instanceof LineComment) || (commentObject instanceof BlockComment))
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{
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((Comment) commentObject).accept(visitor);
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}
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}
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astVisitorClient.logInfo("using language standard " + convertedLanguageStandard);
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JavaCore.setComplianceOptions(convertedLanguageStandard, options);
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parser.setCompilerOptions(options);
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parser.setUnitName(path.getFileName().toString());
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List<String> classpath = new ArrayList<>();
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List<String> sources = new ArrayList<>();
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for (String classPathEntry: classPath.split("\\;"))
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{
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if (classPathEntry.endsWith(".jar"))
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{
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classpath.add(classPathEntry);
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}
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else if (!classPathEntry.isEmpty())
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{
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sources.add(classPathEntry);
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}
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}
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parser.setEnvironment(classpath.toArray(new String[0]), sources.toArray(new String[0]), null, true);
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parser.setSource(fileContent.toCharArray());
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CompilationUnit cu = (CompilationUnit) parser.createAST(null);
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ASTVisitor visitor;
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if (verbose != 0)
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{
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visitor = new VerboseContextAwareAstVisitor(astVisitorClient, path.toFile(), fileContent, cu);
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}
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else
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{
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visitor = new ContextAwareAstVisitor(astVisitorClient, path.toFile(), fileContent, cu);
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}
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cu.accept(visitor);
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for (IProblem problem: cu.getProblems())
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{
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if (problem.isError())
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{
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Range range = new Range(
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cu.getLineNumber(problem.getSourceStart()),
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cu.getColumnNumber(problem.getSourceStart() + 1),
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cu.getLineNumber(problem.getSourceEnd()),
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cu.getColumnNumber(problem.getSourceEnd()) + 1);
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astVisitorClient.recordError(problem.getMessage(), false, true, range);
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}
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}
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for (Object commentObject: cu.getCommentList())
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{
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if ((commentObject instanceof LineComment) || (commentObject instanceof BlockComment))
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{
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((Comment) commentObject).accept(visitor);
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}
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}
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}
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catch (Exception e)
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{
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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e.printStackTrace(pw);
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astVisitorClient.logError(sw.toString());
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}
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}
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public static String getPackageName(String fileContent)
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