Example usage for org.eclipse.jdt.core JavaCore COMPILER_PB_UNNECESSARY_TYPE

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In this page you can find the example usage for org.eclipse.jdt.core JavaCore COMPILER_PB_UNNECESSARY_TYPE_CHECK.

Prototype

String COMPILER_PB_UNNECESSARY_TYPE_CHECK

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Compiler option ID: Reporting Unnecessary Type Check.

Usage

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnnecessaryCast1() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);/* ww w.  j  av a2 s . c  o  m*/

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(int i) {\n");
    buf.append("        int s = (int) i;\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 1);
    assertCorrectLabels(proposals);

    CUCorrectionProposal proposal = (CUCorrectionProposal) proposals.get(0);
    String preview = getPreviewContent(proposal);

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(int i) {\n");
    buf.append("        int s = i;\n");
    buf.append("    }\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
}

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnnecessaryCast2() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);/*from  ww  w .  j  a  va 2s .  com*/

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(String s) {\n");
    buf.append("        String r = ((String) s);\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 1);
    assertCorrectLabels(proposals);

    CUCorrectionProposal proposal = (CUCorrectionProposal) proposals.get(0);
    String preview = getPreviewContent(proposal);

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(String s) {\n");
    buf.append("        String r = (s);\n");
    buf.append("    }\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
}

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnnecessaryCast3() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);//  w  w w. j  a  v  a2s  . c om

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(int i) {\n");
    buf.append("        int s = ((int) 1 + 2) * 3;\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 1);
    assertCorrectLabels(proposals);

    CUCorrectionProposal proposal = (CUCorrectionProposal) proposals.get(0);
    String preview = getPreviewContent(proposal);

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(int i) {\n");
    buf.append("        int s = (1 + 2) * 3;\n");
    buf.append("    }\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
}

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnnecessaryCastBug335173_1() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);//from  w w  w.  j  a v a  2 s.  co  m

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(Integer n) {\n");
    buf.append("        int i = (((Integer) n)).intValue();\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 1);
    assertCorrectLabels(proposals);

    CUCorrectionProposal proposal = (CUCorrectionProposal) proposals.get(0);
    String preview = getPreviewContent(proposal);

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(Integer n) {\n");
    buf.append("        int i = ((n)).intValue();\n");
    buf.append("    }\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
}

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnnecessaryCastBug335173_2() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);//from w  ww.  j  a v  a  2  s. c o  m

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(Integer n) {\n");
    buf.append("        int i = ((Integer) (n)).intValue();\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 1);
    assertCorrectLabels(proposals);

    CUCorrectionProposal proposal = (CUCorrectionProposal) proposals.get(0);
    String preview = getPreviewContent(proposal);

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(Integer n) {\n");
    buf.append("        int i = (n).intValue();\n");
    buf.append("    }\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
}

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnnecessaryInstanceof1() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);/*from  w ww  . j  a v a  2 s  . c om*/

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public boolean foo(String b) {\n");
    buf.append("        return (b instanceof String);\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 1);
    assertCorrectLabels(proposals);

    CUCorrectionProposal proposal = (CUCorrectionProposal) proposals.get(0);
    String preview = getPreviewContent(proposal);

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public boolean foo(String b) {\n");
    buf.append("        return (b != null);\n");
    buf.append("    }\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
}

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnnecessaryInstanceof2() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);/*from w w  w .  j  a va2s.  com*/

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(String b) {\n");
    buf.append("        if  (b instanceof String && b.getClass() != null) {\n");
    buf.append("            System.out.println();\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 1);
    assertCorrectLabels(proposals);

    CUCorrectionProposal proposal = (CUCorrectionProposal) proposals.get(0);
    String preview = getPreviewContent(proposal);

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo(String b) {\n");
    buf.append("        if  (b != null && b.getClass() != null) {\n");
    buf.append("            System.out.println();\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
}

From source file:org.eclipse.wb.tests.designer.core.util.ast.AstEditorTest.java

License:Open Source License

/**
 * If project configured to consider {@link JavaCore#COMPILER_PB_UNNECESSARY_TYPE_CHECK} as error,
 * we may fail, because we declare visible variables with casts.
 *///from  w ww .ja  v  a2  s . co  m
public void test_ASTParser_parseExpression_warning_unnecessaryCast() throws Exception {
    createTypeDeclaration_Test("public class Test {", "  public Test() {", "    Object var;", "    // marker",
            "  }", "}");
    // configure IJavaProject to handle warning as error
    {
        IJavaProject javaProject = m_lastEditor.getModelUnit().getJavaProject();
        javaProject.setOption(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK, "error");
    }
    // parse expression
    try {
        int position = m_lastEditor.indexOf("// marker");
        String expressionSource = "var = (java.lang.Object) null";
        check_ASTParser_parseExpression(position, expressionSource);
    } finally {
        do_projectDispose();
    }
}

From source file:processing.plugin.core.builder.SketchProject.java

License:Open Source License

/**
 * Sets the Java options to ignore all of the warnings because the Processing build chain
 * doesn't acknowledge or deal with compiler warnings.
 * <p>// ww w.  j a  v  a  2  s .  co m
 * Unlike the batch compiler, the JavaCore has no direct way of passing something simple,
 * like -nowarn, so each preference that could set a warning is explicitly set to ignore.
 * If there is a way to simplify this, please file a bug and suggest a fix!
 */
public void ignoreWarnings() {
    Hashtable options = JavaCore.getOptions();
    options.put(JavaCore.COMPILER_PB_ANNOTATION_SUPER_INTERFACE, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_AUTOBOXING, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_CHAR_ARRAY_IN_STRING_CONCATENATION, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_DEPRECATION, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_DISCOURAGED_REFERENCE, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_EMPTY_STATEMENT, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_ENUM_IDENTIFIER, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_FALLTHROUGH_CASE, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_FIELD_HIDING, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_FINAL_PARAMETER_BOUND, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_FINALLY_BLOCK_NOT_COMPLETING, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_FORBIDDEN_REFERENCE, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_HIDDEN_CATCH_BLOCK, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_INCOMPATIBLE_NON_INHERITED_INTERFACE_METHOD, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_INCOMPLETE_ENUM_SWITCH, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_INDIRECT_STATIC_ACCESS, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_INVALID_JAVADOC, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_INVALID_JAVADOC_TAGS, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_INVALID_JAVADOC_TAGS__DEPRECATED_REF, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_LOCAL_VARIABLE_HIDING, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_METHOD_WITH_CONSTRUCTOR_NAME, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_MISSING_DEPRECATED_ANNOTATION, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_MISSING_JAVADOC_COMMENTS, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_MISSING_JAVADOC_TAGS, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_MISSING_JAVADOC_TAGS_VISIBILITY, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_MISSING_OVERRIDE_ANNOTATION, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_MISSING_SERIAL_VERSION, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_NO_EFFECT_ASSIGNMENT, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_NON_NLS_STRING_LITERAL, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_NULL_REFERENCE, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_POTENTIAL_NULL_REFERENCE, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_REDUNDANT_NULL_CHECK, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_OVERRIDING_PACKAGE_DEFAULT_METHOD, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_PARAMETER_ASSIGNMENT, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_POSSIBLE_ACCIDENTAL_BOOLEAN_ASSIGNMENT, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_RAW_TYPE_REFERENCE, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_SPECIAL_PARAMETER_HIDING_FIELD, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_STATIC_ACCESS_RECEIVER, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_SUPPRESS_WARNINGS, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_SYNTHETIC_ACCESS_EMULATION, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_TYPE_PARAMETER_HIDING, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNCHECKED_TYPE_OPERATION, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNDOCUMENTED_EMPTY_BLOCK, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNHANDLED_WARNING_TOKEN, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNNECESSARY_ELSE, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNQUALIFIED_FIELD_ACCESS, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNUSED_DECLARED_THROWN_EXCEPTION, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNUSED_LABEL, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNUSED_DECLARED_THROWN_EXCEPTION_WHEN_OVERRIDING, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNUSED_IMPORT, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER_WHEN_IMPLEMENTING_ABSTRACT, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER_WHEN_OVERRIDING_CONCRETE, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER_INCLUDE_DOC_COMMENT_REFERENCE, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_UNUSED_PRIVATE_MEMBER, JavaCore.IGNORE);
    options.put(JavaCore.COMPILER_PB_VARARGS_ARGUMENT_NEED_CAST, JavaCore.IGNORE);
    // its finally over! yeah!

    JavaCore.setOptions(options);
}

Example usage for org.eclipse.jdt.core JavaCore COMPILER_PB_UNNECESSARY_TYPE_CHECK

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