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| package net.sourceforge.pmd.rules.design; |
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| import net.sourceforge.pmd.AbstractRule; |
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| import net.sourceforge.pmd.ast.ASTCatchStatement; |
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| import net.sourceforge.pmd.ast.ASTClassOrInterfaceType; |
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| import net.sourceforge.pmd.ast.ASTFormalParameter; |
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| import net.sourceforge.pmd.ast.ASTThrowStatement; |
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| import net.sourceforge.pmd.ast.ASTTryStatement; |
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| import net.sourceforge.pmd.ast.ASTType; |
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| import java.util.Iterator; |
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| import java.util.List; |
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| public class ExceptionAsFlowControl extends AbstractRule { |
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| public Object visit(ASTThrowStatement node, Object data) {
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| ASTTryStatement parent = (ASTTryStatement) node.getFirstParentOfType(ASTTryStatement.class);
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| if (parent == null) {
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| return data;
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| } |
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| for (parent = (ASTTryStatement) parent.getFirstParentOfType(ASTTryStatement.class)
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| ; parent != null
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| ; parent = (ASTTryStatement) parent.getFirstParentOfType(ASTTryStatement.class)) { |
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| List list = parent.findChildrenOfType(ASTCatchStatement.class);
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| for (Iterator iter = list.iterator(); iter.hasNext();) {
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| ASTCatchStatement catchStmt = (ASTCatchStatement) iter.next();
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| ASTFormalParameter fp = (ASTFormalParameter) catchStmt.jjtGetChild(0);
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| ASTType type = (ASTType) fp.findChildrenOfType(ASTType.class).get(0);
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| ASTClassOrInterfaceType name = (ASTClassOrInterfaceType) type.findChildrenOfType(ASTClassOrInterfaceType.class).get(0);
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| if (node.getFirstClassOrInterfaceTypeImage() != null && node.getFirstClassOrInterfaceTypeImage().equals(name.getImage())) {
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| addViolation(data, name);
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| } |
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| } |
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| } |
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| return data;
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| } |
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| } |