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| package net.sourceforge.pmd.rules.basic; |
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| import net.sourceforge.pmd.AbstractRule; |
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| import net.sourceforge.pmd.ast.ASTAllocationExpression; |
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| import net.sourceforge.pmd.ast.ASTArrayDimsAndInits; |
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| import net.sourceforge.pmd.ast.ASTBooleanLiteral; |
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| import net.sourceforge.pmd.ast.ASTClassOrInterfaceType; |
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| import net.sourceforge.pmd.ast.ASTLiteral; |
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| import net.sourceforge.pmd.ast.ASTName; |
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| import net.sourceforge.pmd.ast.ASTPrimaryExpression; |
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| import net.sourceforge.pmd.ast.ASTPrimaryPrefix; |
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| import net.sourceforge.pmd.ast.ASTPrimarySuffix; |
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| public class BooleanInstantiation extends AbstractRule { |
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3
| public Object visit(ASTAllocationExpression node, Object data) {
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| if (node.findChildrenOfType(ASTArrayDimsAndInits.class).size() > 0) {
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| return super.visit(node, data);
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| } |
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| String typeName = ((ASTClassOrInterfaceType) node.jjtGetChild(0)).getImage();
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| if ("Boolean".equals(typeName) || "java.lang.Boolean".equals(typeName)) {
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| super.addViolation(data, node);
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| return data;
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| } |
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| return super.visit(node, data);
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| } |
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| public Object visit(ASTPrimaryPrefix node, Object data) {
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| if (node.jjtGetNumChildren() == 0 || !node.jjtGetChild(0).getClass().equals(ASTName.class)) {
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| return super.visit(node, data);
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| } |
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| if ("Boolean.valueOf".equals(((ASTName) node.jjtGetChild(0)).getImage())
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| || "java.lang.Boolean.valueOf".equals(((ASTName) node.jjtGetChild(0)).getImage())) { |
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| ASTPrimaryExpression parent = (ASTPrimaryExpression) node.jjtGetParent();
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| ASTPrimarySuffix suffix = (ASTPrimarySuffix) parent.getFirstChildOfType(ASTPrimarySuffix.class);
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| if (suffix == null) {
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| return super.visit(node, data);
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| } |
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| ASTPrimaryPrefix prefix = (ASTPrimaryPrefix) suffix.getFirstChildOfType(ASTPrimaryPrefix.class);
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| if (prefix == null) {
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| return super.visit(node, data);
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| } |
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| if (prefix.getFirstChildOfType(ASTBooleanLiteral.class) != null) {
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| super.addViolation(data, node);
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| return data;
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| } |
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| ASTLiteral literal = (ASTLiteral) prefix.getFirstChildOfType(ASTLiteral.class);
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| if (literal != null && ("\"true\"".equals(literal.getImage()) || "\"false\"".equals(literal.getImage()))) {
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| super.addViolation(data, node);
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| return data;
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| } |
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| } |
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| return super.visit(node, data);
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| } |
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| } |