com.sun.source.tree.CatchTree Java Exaples

Source File: ModelChecker.java From openjdk-jdk8u-backup with GNU General Public License v2.0

6 votes

@Override
public Void visitCatch(CatchTree node, Void p) {
    TreePath param = new TreePath(getCurrentPath(), node.getParameter());
    Element ex = trees.getElement(param);
    validateUnionTypeInfo(ex);
    if (ex.getSimpleName().contentEquals("ex")) {
        assertTrue(ex.getKind() == ElementKind.EXCEPTION_PARAMETER, "Expected EXCEPTION_PARAMETER - found " + ex.getKind());
        for (Element e : types.asElement(trees.getLub(node)).getEnclosedElements()) {
            Member m = e.getAnnotation(Member.class);
            if (m != null) {
                assertTrue(e.getKind() == m.value(), "Expected " + m.value() + " - found " + e.getKind());
            }
        }
        assertTrue(assertionCount == 9, "Expected 9 assertions - found " + assertionCount);
    }
    return super.visitCatch(node, p);
}

Source File: UseSpecificCatch.java From netbeans with Apache License 2.0

6 votes

@Override
protected void performRewrite(TransformationContext ctx) {
    WorkingCopy wc = ctx.getWorkingCopy();
    TreePath tp = ctx.getPath();
    List<Tree> exceptions = new LinkedList<Tree>();

    for (TypeMirrorHandle<TypeMirror> h : exceptionHandles) {
        TypeMirror tm = h.resolve(wc);

        if (tm == null) return ; //XXX: log

        exceptions.add(wc.getTreeMaker().Type(tm));
    }

    VariableTree excVar = ((CatchTree) tp.getLeaf()).getParameter();

    wc.rewrite(excVar.getType(), wc.getTreeMaker().UnionType(exceptions));
}

Source File: TryCatchFinally.java From netbeans with Apache License 2.0

6 votes

@Override
public Void visitTry(TryTree node, Collection<TreePath> trees) {
    Set<TypeMirror> caught = new HashSet<TypeMirror>();

    for (CatchTree ct : node.getCatches()) {
        TypeMirror t = info.getTrees().getTypeMirror(new TreePath(new TreePath(getCurrentPath(), ct), ct.getParameter()));

        if (t != null) {
            caught.add(t);
        }
    }

    caughtExceptions.push(caught);
    
    try {
        scan(node.getBlock(), trees);
    } finally {
        caughtExceptions.pop();
    }
    scan(node.getFinallyBlock(), trees);
    return null;
}

Source File: ModelChecker.java From hottub with GNU General Public License v2.0

6 votes

@Override
public Void visitCatch(CatchTree node, Void p) {
    TreePath param = new TreePath(getCurrentPath(), node.getParameter());
    Element ex = trees.getElement(param);
    validateUnionTypeInfo(ex);
    if (ex.getSimpleName().contentEquals("ex")) {
        assertTrue(ex.getKind() == ElementKind.EXCEPTION_PARAMETER, "Expected EXCEPTION_PARAMETER - found " + ex.getKind());
        for (Element e : types.asElement(trees.getLub(node)).getEnclosedElements()) {
            Member m = e.getAnnotation(Member.class);
            if (m != null) {
                assertTrue(e.getKind() == m.value(), "Expected " + m.value() + " - found " + e.getKind());
            }
        }
        assertTrue(assertionCount == 9, "Expected 9 assertions - found " + assertionCount);
    }
    return super.visitCatch(node, p);
}

Source File: ModelChecker.java From openjdk-8-source with GNU General Public License v2.0

6 votes

@Override
public Void visitCatch(CatchTree node, Void p) {
    TreePath param = new TreePath(getCurrentPath(), node.getParameter());
    Element ex = trees.getElement(param);
    validateUnionTypeInfo(ex);
    if (ex.getSimpleName().contentEquals("ex")) {
        assertTrue(ex.getKind() == ElementKind.EXCEPTION_PARAMETER, "Expected EXCEPTION_PARAMETER - found " + ex.getKind());
        for (Element e : types.asElement(trees.getLub(node)).getEnclosedElements()) {
            Member m = e.getAnnotation(Member.class);
            if (m != null) {
                assertTrue(e.getKind() == m.value(), "Expected " + m.value() + " - found " + e.getKind());
            }
        }
        assertTrue(assertionCount == 9, "Expected 9 assertions - found " + assertionCount);
    }
    return super.visitCatch(node, p);
}

Source File: ExtraCatch.java From netbeans with Apache License 2.0

6 votes

@Override
protected void performRewrite(TransformationContext ctx) throws Exception {
    Tree t = ctx.getPath().getLeaf();
    if (t.getKind() != Tree.Kind.CATCH) {
        // remove a clause from the multi-catch
        removeAlternativeFromMultiCatch(ctx);
        return;
    }
    CatchTree toRemove = (CatchTree)t;
    TryTree parent = (TryTree) ctx.getPath().getParentPath().getLeaf();
    TreeMaker make = ctx.getWorkingCopy().getTreeMaker();
    
    if (parent.getResources().isEmpty() && parent.getCatches().size() == 1) {
        List<StatementTree> repl = new ArrayList<>();
        repl.addAll(parent.getBlock().getStatements());
        if (parent.getFinallyBlock() != null) {
                repl.addAll(parent.getFinallyBlock().getStatements());
        }
        Utilities.replaceStatement(ctx.getWorkingCopy(), ctx.getPath().getParentPath(), repl);
    } else {
        ctx.getWorkingCopy().rewrite(parent, make.removeTryCatch(parent, toRemove));
    }
}

Source File: MethodExitDetector.java From netbeans with Apache License 2.0

6 votes

@Override
public Boolean visitCatch(CatchTree tree, Stack<Tree> d) {
    TypeMirror type1 = info.getTrees().getTypeMirror(new TreePath(new TreePath(getCurrentPath(), tree.getParameter()), tree.getParameter().getType()));
    Types t = info.getTypes();
    
    if (type1 != null) {
        Set<TypeMirror> toRemove = new HashSet<TypeMirror>();
        Map<TypeMirror, List<Tree>> exceptions2Highlights = exceptions2HighlightsStack.peek();
        
        if (exceptions2Highlights != null) {
            for (TypeMirror type2 : exceptions2Highlights.keySet()) {
                if (t.isAssignable(type2, type1)) {
                    toRemove.add(type2);
                }
            }
            
            for (TypeMirror type : toRemove) {
                exceptions2Highlights.remove(type);
            }
        }
        
    }
    
    scan(tree.getParameter(), d);
    return scan(tree.getBlock(), d);
}

Source File: ModelChecker.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

@Override
public Void visitCatch(CatchTree node, Void p) {
    TreePath param = new TreePath(getCurrentPath(), node.getParameter());
    Element ex = trees.getElement(param);
    validateUnionTypeInfo(ex);
    if (ex.getSimpleName().contentEquals("ex")) {
        assertTrue(ex.getKind() == ElementKind.EXCEPTION_PARAMETER, "Expected EXCEPTION_PARAMETER - found " + ex.getKind());
        for (Element e : types.asElement(trees.getLub(node)).getEnclosedElements()) {
            Member m = e.getAnnotation(Member.class);
            if (m != null) {
                assertTrue(e.getKind() == m.value(), "Expected " + m.value() + " - found " + e.getKind());
            }
        }
        assertTrue(assertionCount == 9, "Expected 9 assertions - found " + assertionCount);
    }
    return super.visitCatch(node, p);
}

Source File: MagicSurroundWithTryCatchFix.java From netbeans with Apache License 2.0

6 votes

private static CatchTree createCatch(WorkingCopy info, TreeMaker make, TreePath statement, String name, TypeMirror type) {
    StatementTree logStatement = createExceptionsStatement(info, make, name);

    if (logStatement == null) {
        logStatement = createLogStatement(info, make, statement, name);
    }
    
    if (logStatement == null) {
        logStatement = createRethrowAsRuntimeExceptionStatement(info, make, name);
    }
    
    if (logStatement == null) {
        logStatement = createRethrow(info, make, name);
    }

    if (logStatement == null) {
        logStatement = createPrintStackTraceStatement(info, make, name);
    }

    return make.Catch(make.Variable(make.Modifiers(EnumSet.noneOf(Modifier.class)), name, make.Type(type), null), make.Block(Collections.singletonList(logStatement), false));
}

Source File: ModelChecker.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

@Override
public Void visitCatch(CatchTree node, Void p) {
    TreePath param = new TreePath(getCurrentPath(), node.getParameter());
    Element ex = trees.getElement(param);
    validateUnionTypeInfo(ex);
    if (ex.getSimpleName().contentEquals("ex")) {
        assertTrue(ex.getKind() == ElementKind.EXCEPTION_PARAMETER, "Expected EXCEPTION_PARAMETER - found " + ex.getKind());
        for (Element e : types.asElement(trees.getLub(node)).getEnclosedElements()) {
            Member m = e.getAnnotation(Member.class);
            if (m != null) {
                assertTrue(e.getKind() == m.value(), "Expected " + m.value() + " - found " + e.getKind());
            }
        }
        assertTrue(assertionCount == 9, "Expected 9 assertions - found " + assertionCount);
    }
    return super.visitCatch(node, p);
}

Source File: ModelChecker.java From openjdk-8 with GNU General Public License v2.0

6 votes

@Override
public Void visitCatch(CatchTree node, Void p) {
    TreePath param = new TreePath(getCurrentPath(), node.getParameter());
    Element ex = trees.getElement(param);
    validateUnionTypeInfo(ex);
    if (ex.getSimpleName().contentEquals("ex")) {
        assertTrue(ex.getKind() == ElementKind.EXCEPTION_PARAMETER, "Expected EXCEPTION_PARAMETER - found " + ex.getKind());
        for (Element e : types.asElement(trees.getLub(node)).getEnclosedElements()) {
            Member m = e.getAnnotation(Member.class);
            if (m != null) {
                assertTrue(e.getKind() == m.value(), "Expected " + m.value() + " - found " + e.getKind());
            }
        }
        assertTrue(assertionCount == 9, "Expected 9 assertions - found " + assertionCount);
    }
    return super.visitCatch(node, p);
}

Source File: JavaInputAstVisitor.java From java-n-IDE-for-Android with Apache License 2.0

6 votes

/**
 * Helper method for {@link CatchTree}s.
 */
private void visitCatchClause(CatchTree node, AllowTrailingBlankLine allowTrailingBlankLine) {
    sync(node);
    builder.space();
    token("catch");
    builder.space();
    token("(");
    builder.open(plusFour);
    VariableTree ex = node.getParameter();
    if (ex.getType().getKind() == UNION_TYPE) {
        builder.open(ZERO);
        visitUnionType(ex);
        builder.close();
    } else {
        // TODO(cushon): don't break after here for consistency with for, while, etc.
        builder.breakToFill();
        builder.open(ZERO);
        scan(ex, null);
        builder.close();
    }
    builder.close();
    token(")");
    builder.space();
    visitBlock(
            node.getBlock(), CollapseEmptyOrNot.NO, AllowLeadingBlankLine.YES, allowTrailingBlankLine);
}

Source File: Utilities.java From netbeans with Apache License 2.0

6 votes

@Override
public Boolean visitTry(TryTree node, Void p) {
    Set<TypeMirror> caught = new HashSet<TypeMirror>();

    for (CatchTree ct : node.getCatches()) {
        TypeMirror t = info.getTrees().getTypeMirror(new TreePath(new TreePath(getCurrentPath(), ct), ct.getParameter()));

        if (t != null) {
            caught.add(t);
        }
    }

    caughtExceptions.push(Pair.of(caught, node));
    
    try {
        return scan(node.getBlock(), p) == Boolean.TRUE || scan(node.getFinallyBlock(), p) == Boolean.TRUE;
    } finally {
        caughtExceptions.pop();
    }
}

Source File: JavaInputAstVisitor.java From javaide with GNU General Public License v3.0

6 votes

/**
 * Helper method for {@link CatchTree}s.
 */
private void visitCatchClause(CatchTree node, AllowTrailingBlankLine allowTrailingBlankLine) {
    sync(node);
    builder.space();
    token("catch");
    builder.space();
    token("(");
    builder.open(plusFour);
    VariableTree ex = node.getParameter();
    if (ex.getType().getKind() == UNION_TYPE) {
        builder.open(ZERO);
        visitUnionType(ex);
        builder.close();
    } else {
        // TODO(cushon): don't break after here for consistency with for, while, etc.
        builder.breakToFill();
        builder.open(ZERO);
        scan(ex, null);
        builder.close();
    }
    builder.close();
    token(")");
    builder.space();
    visitBlock(
            node.getBlock(), CollapseEmptyOrNot.NO, AllowLeadingBlankLine.YES, allowTrailingBlankLine);
}

Source File: JavaInputAstVisitor.java From google-java-format with Apache License 2.0

6 votes

/** Helper method for {@link CatchTree}s. */
private void visitCatchClause(CatchTree node, AllowTrailingBlankLine allowTrailingBlankLine) {
  sync(node);
  builder.space();
  token("catch");
  builder.space();
  token("(");
  builder.open(plusFour);
  VariableTree ex = node.getParameter();
  if (ex.getType().getKind() == UNION_TYPE) {
    builder.open(ZERO);
    visitUnionType(ex);
    builder.close();
  } else {
    // TODO(cushon): don't break after here for consistency with for, while, etc.
    builder.breakToFill();
    builder.open(ZERO);
    scan(ex, null);
    builder.close();
  }
  builder.close();
  token(")");
  builder.space();
  visitBlock(
      node.getBlock(), CollapseEmptyOrNot.NO, AllowLeadingBlankLine.YES, allowTrailingBlankLine);
}

Source File: AssignmentIssues.java From netbeans with Apache License 2.0

6 votes

@Hint(displayName = "#DN_org.netbeans.modules.java.hints.AssignmentIssues.assignmentToCatchBlockParameter", description = "#DESC_org.netbeans.modules.java.hints.AssignmentIssues.assignmentToCatchBlockParameter", category = "assignment_issues", enabled = false, suppressWarnings = "AssignmentToCatchBlockParameter", options=Options.QUERY) //NOI18N
@TriggerTreeKind(Kind.CATCH)
public static List<ErrorDescription> assignmentToCatchBlockParameter(HintContext context) {
    final Trees trees = context.getInfo().getTrees();
    final TreePath catchPath = context.getPath();
    final Element param = trees.getElement(TreePath.getPath(catchPath, ((CatchTree) catchPath.getLeaf()).getParameter()));
    if (param == null || param.getKind() != ElementKind.EXCEPTION_PARAMETER) {
        return null;
    }
    final TreePath block = TreePath.getPath(catchPath, ((CatchTree) catchPath.getLeaf()).getBlock());
    final List<TreePath> paths = new LinkedList<TreePath>();
    new AssignmentFinder(trees, param).scan(block, paths);
    final List<ErrorDescription> ret = new ArrayList<ErrorDescription>(paths.size());
    for (TreePath path : paths) {
        ret.add(ErrorDescriptionFactory.forTree(context, path, NbBundle.getMessage(AssignmentIssues.class, "MSG_AssignmentToCatchBlockParameter", param.getSimpleName()))); //NOI18N
    }
    return ret;
}

Source File: ModelChecker.java From jdk8u60 with GNU General Public License v2.0

6 votes

@Override
public Void visitCatch(CatchTree node, Void p) {
    TreePath param = new TreePath(getCurrentPath(), node.getParameter());
    Element ex = trees.getElement(param);
    validateUnionTypeInfo(ex);
    if (ex.getSimpleName().contentEquals("ex")) {
        assertTrue(ex.getKind() == ElementKind.EXCEPTION_PARAMETER, "Expected EXCEPTION_PARAMETER - found " + ex.getKind());
        for (Element e : types.asElement(trees.getLub(node)).getEnclosedElements()) {
            Member m = e.getAnnotation(Member.class);
            if (m != null) {
                assertTrue(e.getKind() == m.value(), "Expected " + m.value() + " - found " + e.getKind());
            }
        }
        assertTrue(assertionCount == 9, "Expected 9 assertions - found " + assertionCount);
    }
    return super.visitCatch(node, p);
}

Source File: ModelChecker.java From TencentKona-8 with GNU General Public License v2.0

6 votes

@Override
public Void visitCatch(CatchTree node, Void p) {
    TreePath param = new TreePath(getCurrentPath(), node.getParameter());
    Element ex = trees.getElement(param);
    validateUnionTypeInfo(ex);
    if (ex.getSimpleName().contentEquals("ex")) {
        assertTrue(ex.getKind() == ElementKind.EXCEPTION_PARAMETER, "Expected EXCEPTION_PARAMETER - found " + ex.getKind());
        for (Element e : types.asElement(trees.getLub(node)).getEnclosedElements()) {
            Member m = e.getAnnotation(Member.class);
            if (m != null) {
                assertTrue(e.getKind() == m.value(), "Expected " + m.value() + " - found " + e.getKind());
            }
        }
        assertTrue(assertionCount == 9, "Expected 9 assertions - found " + assertionCount);
    }
    return super.visitCatch(node, p);
}

Source File: JavacTrees.java From openjdk-8 with GNU General Public License v2.0

5 votes

@Override
public TypeMirror getLub(CatchTree tree) {
    JCCatch ct = (JCCatch) tree;
    JCVariableDecl v = ct.param;
    if (v.type != null && v.type.getKind() == TypeKind.UNION) {
        UnionClassType ut = (UnionClassType) v.type;
        return ut.getLub();
    } else {
        return v.type;
    }
}

Source File: JavacTrees.java From openjdk-jdk9 with GNU General Public License v2.0

5 votes

@Override @DefinedBy(Api.COMPILER_TREE)
public TypeMirror getLub(CatchTree tree) {
    JCCatch ct = (JCCatch) tree;
    JCVariableDecl v = ct.param;
    if (v.type != null && v.type.getKind() == TypeKind.UNION) {
        UnionClassType ut = (UnionClassType) v.type;
        return ut.getLub();
    } else {
        return v.type;
    }
}

Source File: TreeNode.java From netbeans with Apache License 2.0

5 votes

@Override
public Void visitCatch(CatchTree tree, List<Node> d) {
    List<Node> below = new ArrayList<Node>();
    
    addCorrespondingType(below);
    addCorrespondingComments(below);
    super.visitCatch(tree, below);
    
    d.add(new TreeNode(info, getCurrentPath(), below));
    return null;
}

Source File: BroadCatchBlock.java From netbeans with Apache License 2.0

5 votes

@Override
protected void performRewrite(TransformationContext ctx) throws Exception {
    CatchTree oldTree = (CatchTree)ctx.getPath().getLeaf();
    WorkingCopy wcopy = ctx.getWorkingCopy();
    Tree varType = oldTree.getParameter().getType();
    Tree newVarType = wcopy.getTreeMaker().Type(newCatchType.resolve(wcopy));
    wcopy.rewrite(varType, newVarType);
}

Source File: JavacTrees.java From openjdk-jdk8u-backup with GNU General Public License v2.0

5 votes

@Override
public TypeMirror getLub(CatchTree tree) {
    JCCatch ct = (JCCatch) tree;
    JCVariableDecl v = ct.param;
    if (v.type != null && v.type.getKind() == TypeKind.UNION) {
        UnionClassType ut = (UnionClassType) v.type;
        return ut.getLub();
    } else {
        return v.type;
    }
}

Source File: FinalizeDoesNotCallSuper.java From netbeans with Apache License 2.0

5 votes

@Override
protected void performRewrite(TransformationContext ctx) {
    WorkingCopy wc = ctx.getWorkingCopy();
    final TreeMaker tm = wc.getTreeMaker();
    TreePath tp = ctx.getPath();
    final BlockTree oldBody = ((MethodTree)tp.getLeaf()).getBody();
    if (oldBody == null) {
        return;
    }
    final List<StatementTree> newStatements = new ArrayList<StatementTree>(2);
    BlockTree superFinalize = tm.Block(
                                Collections.singletonList(
                                    tm.ExpressionStatement(
                                        tm.MethodInvocation(Collections.<ExpressionTree>emptyList(),
                                            tm.MemberSelect(
                                                tm.Identifier(SUPER),
                                                FINALIZE), Collections.<ExpressionTree>emptyList()))),
                                false);
    if (oldBody.getStatements().isEmpty()) {
        wc.rewrite(oldBody, superFinalize);
    } else {
        TryTree soleTry = soleTryWithoutFinally(oldBody);
        
        if (soleTry != null) {
            wc.rewrite(soleTry, tm.Try(soleTry.getBlock(), soleTry.getCatches(), superFinalize));
        } else {
            wc.rewrite(oldBody, tm.Block(Collections.singletonList(tm.Try(oldBody, Collections.<CatchTree>emptyList(), superFinalize)), false));
        }
    }
}

Source File: Flow.java From netbeans with Apache License 2.0

5 votes

public Boolean visitCatch(CatchTree node, ConstructorData p) {
    inParameters = true;
    scan(node.getParameter(), p);
    inParameters = false;
    scan(node.getBlock(), p);
    return null;
}

Source File: JavacTrees.java From javaide with GNU General Public License v3.0

5 votes

@Override
public TypeMirror getLub(CatchTree tree) {
    JCCatch ct = (JCCatch) tree;
    JCVariableDecl v = ct.param;
    if (v.type != null && v.type.getKind() == TypeKind.UNION) {
        UnionClassType ut = (UnionClassType) v.type;
        return ut.getLub();
    } else {
        return v.type;
    }
}

Source File: FmtImports.java From netbeans with Apache License 2.0

5 votes

protected void doModification(ResultIterator resultIterator) throws Exception {
    WorkingCopy copy = WorkingCopy.get(resultIterator.getParserResult());
    copy.toPhase(Phase.RESOLVED);
    CompilationUnitTree cut = copy.getCompilationUnit();
    ClassTree ct = (ClassTree) cut.getTypeDecls().get(0);
    MethodTree mt = (MethodTree) ct.getMembers().get(1);
    TreeMaker treeMaker = copy.getTreeMaker();
    BlockTree bt = mt.getBody();
    StatementTree stmt = treeMaker.Variable(treeMaker.Modifiers(EnumSet.noneOf(Modifier.class)), "is", treeMaker.QualIdent("java.io.InputStream"), treeMaker.Literal(null)); //NOI18N
    bt = treeMaker.addBlockStatement(bt, stmt);
    BlockTree tryBlock = treeMaker.Block(Collections.<StatementTree>emptyList(), false);
    ExpressionTree et = treeMaker.NewClass(null, Collections.<ExpressionTree>emptyList(), treeMaker.QualIdent("java.io.File"), Collections.singletonList(treeMaker.Literal("test.txt")), null); //NOI18N
    stmt = treeMaker.Variable(treeMaker.Modifiers(EnumSet.noneOf(Modifier.class)), "f", treeMaker.QualIdent("java.io.File"), et); //NOI18N
    tryBlock = treeMaker.addBlockStatement(tryBlock, stmt);
    et = treeMaker.NewClass(null, Collections.<ExpressionTree>emptyList(), treeMaker.QualIdent("java.io.FileInputStream"), Collections.singletonList(treeMaker.Identifier("f")), null); //NOI18N
    et = treeMaker.Assignment(treeMaker.Identifier("is"), et); //NOI18N
    tryBlock = treeMaker.addBlockStatement(tryBlock, treeMaker.ExpressionStatement(et));
    et = treeMaker.MemberSelect(treeMaker.Identifier("is"), "read"); //NOI18N
    et = treeMaker.MethodInvocation(Collections.<ExpressionTree>emptyList(), et, Collections.<ExpressionTree>emptyList());
    stmt = treeMaker.Try(treeMaker.Block(Collections.singletonList(treeMaker.ExpressionStatement(et)), false), Collections.<CatchTree>emptyList(), null);
    et = treeMaker.MethodInvocation(Collections.<ExpressionTree>emptyList(), treeMaker.MemberSelect(treeMaker.QualIdent("java.util.logging.Logger"), "getLogger"), Collections.<ExpressionTree>emptyList()); //NOI18N
    et = treeMaker.addMethodInvocationArgument((MethodInvocationTree) et, treeMaker.MethodInvocation(Collections.<ExpressionTree>emptyList(), treeMaker.MemberSelect(treeMaker.MemberSelect(treeMaker.QualIdent("org.netbeans.samples.ClassA"), "class"), "getName"), Collections.<ExpressionTree>emptyList())); //NOI18N
    et = treeMaker.MethodInvocation(Collections.<ExpressionTree>emptyList(), treeMaker.MemberSelect(et, "log"), Collections.<ExpressionTree>emptyList()); //NOI18N
    et = treeMaker.addMethodInvocationArgument((MethodInvocationTree) et, treeMaker.MemberSelect(treeMaker.QualIdent("java.util.logging.Logger"), "SEVERE")); //NOI18N
    et = treeMaker.addMethodInvocationArgument((MethodInvocationTree) et, treeMaker.Literal(null));
    et = treeMaker.addMethodInvocationArgument((MethodInvocationTree) et, treeMaker.Identifier("ex")); //NOI18N
    BlockTree catchBlock = treeMaker.Block(Collections.singletonList(treeMaker.ExpressionStatement(et)), false);
    stmt = treeMaker.addTryCatch((TryTree) stmt, treeMaker.Catch(treeMaker.Variable(treeMaker.Modifiers(EnumSet.noneOf(Modifier.class)), "ex", treeMaker.QualIdent("java.io.IOException"), null), catchBlock)); //NOI18N
    tryBlock = treeMaker.addBlockStatement(tryBlock, stmt);
    et = treeMaker.MemberSelect(treeMaker.Identifier("is"), "close"); //NOI18N
    et = treeMaker.MethodInvocation(Collections.<ExpressionTree>emptyList(), et, Collections.<ExpressionTree>emptyList());
    stmt = treeMaker.Try(treeMaker.Block(Collections.singletonList(treeMaker.ExpressionStatement(et)), false), Collections.<CatchTree>emptyList(), null);
    stmt = treeMaker.addTryCatch((TryTree) stmt, treeMaker.Catch(treeMaker.Variable(treeMaker.Modifiers(EnumSet.noneOf(Modifier.class)), "ex", treeMaker.QualIdent("java.io.IOException"), null), catchBlock)); //NOI18N
    stmt = treeMaker.Try(tryBlock, Collections.<CatchTree>emptyList(), treeMaker.Block(Collections.singletonList(stmt), false));
    stmt = treeMaker.addTryCatch((TryTree) stmt, treeMaker.Catch(treeMaker.Variable(treeMaker.Modifiers(EnumSet.noneOf(Modifier.class)), "ex", treeMaker.QualIdent("java.io.FileNotFoundException"), null), catchBlock)); //NOI18N
    bt = treeMaker.addBlockStatement(bt, stmt);
    copy.rewrite(mt.getBody(), bt);
}

Source File: AddCatchFix.java From netbeans with Apache License 2.0

5 votes

@Override
protected void performRewrite(TransformationContext ctx) throws Exception {
    TreeMaker make = ctx.getWorkingCopy().getTreeMaker();
    TryTree tt = (TryTree) ctx.getPath().getLeaf();

    List<CatchTree> catches = new ArrayList<CatchTree>();
    
    catches.addAll(tt.getCatches());
    catches.addAll(MagicSurroundWithTryCatchFix.createCatches(ctx.getWorkingCopy(), make, thandles, ctx.getPath()));

    ctx.getWorkingCopy().rewrite(tt, make.Try(tt.getResources(), tt.getBlock(), catches, tt.getFinallyBlock()));
}

Source File: MagicSurroundWithTryCatchFix.java From netbeans with Apache License 2.0

5 votes

public @Override Void visitBlock(BlockTree bt, Void p) {
    List<CatchTree> catches = createCatches(info, make, thandles, statement);
    
    //#89379: if inside a constructor, do not wrap the "super"/"this" call:
    //please note that the "super" or "this" call is supposed to be always
    //in the constructor body
    BlockTree toUse = bt;
    StatementTree toKeep = null;
    Tree parent = getCurrentPath().getParentPath().getLeaf();
    
    if (parent.getKind() == Kind.METHOD && bt.getStatements().size() > 0) {
        MethodTree mt = (MethodTree) parent;
        
        if (mt.getReturnType() == null) {
            toKeep = bt.getStatements().get(0);
            toUse = make.Block(bt.getStatements().subList(1, bt.getStatements().size()), false);
        }
    }
    
    if (!streamAlike) {
        info.rewrite(bt, createBlock(bt.isStatic(), toKeep, make.Try(toUse, catches, null)));
    } else {
        VariableTree originalDeclaration = (VariableTree) statement.getLeaf();
        VariableTree declaration = make.Variable(make.Modifiers(EnumSet.noneOf(Modifier.class)), originalDeclaration.getName(), originalDeclaration.getType(), make.Identifier("null"));
        StatementTree assignment = make.ExpressionStatement(make.Assignment(make.Identifier(originalDeclaration.getName()), originalDeclaration.getInitializer()));
        BlockTree finallyTree = make.Block(Collections.singletonList(createFinallyCloseBlockStatement(originalDeclaration)), false);
        
        info.rewrite(originalDeclaration, assignment);
        info.rewrite(bt, createBlock(bt.isStatic(), toKeep, declaration, make.Try(toUse, catches, finallyTree)));
    }
    
    return null;
}

Source File: MagicSurroundWithTryCatchFix.java From netbeans with Apache License 2.0

5 votes

static List<CatchTree> createCatches(WorkingCopy info, TreeMaker make, List<TypeMirrorHandle> thandles, TreePath currentPath) {
    String name = inferName(info, currentPath);
    List<CatchTree> catches = new ArrayList<CatchTree>();

    for (TypeMirrorHandle th : thandles) {
        TypeMirror tm = th.resolve(info);
        if(tm != null)
            catches.add(createCatch(info, make, currentPath, name, tm));
    }

    return catches;
}

com.sun.source.tree.CatchTree Java Examples