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Example 6 with ImportWrapper

use of net.sourceforge.pmd.lang.rule.ImportWrapper in project pmd by pmd.

the class UnusedImportsRule method visitComments.

private void visitComments(ASTCompilationUnit node) {
    if (imports.isEmpty()) {
        return;
    }
    for (Comment comment : node.getComments()) {
        if (!(comment instanceof FormalComment)) {
            continue;
        }
        for (Pattern p : PATTERNS) {
            Matcher m = p.matcher(comment.getImage());
            while (m.find()) {
                String s = m.group(1);
                imports.remove(new ImportWrapper(s, s, new DummyJavaNode(-1)));
                if (m.groupCount() > 1) {
                    s = m.group(2);
                    if (s != null) {
                        String[] params = s.split("\\s*,\\s*");
                        for (String param : params) {
                            final int firstDot = param.indexOf('.');
                            final String expectedImportName;
                            if (firstDot == -1) {
                                expectedImportName = param;
                            } else {
                                expectedImportName = param.substring(0, firstDot);
                            }
                            imports.remove(new ImportWrapper(param, expectedImportName, new DummyJavaNode(-1)));
                        }
                    }
                }
                if (imports.isEmpty()) {
                    return;
                }
            }
        }
    }
}
Also used : FormalComment(net.sourceforge.pmd.lang.java.ast.FormalComment) Comment(net.sourceforge.pmd.lang.java.ast.Comment) Pattern(java.util.regex.Pattern) FormalComment(net.sourceforge.pmd.lang.java.ast.FormalComment) ImportWrapper(net.sourceforge.pmd.lang.rule.ImportWrapper) Matcher(java.util.regex.Matcher) DummyJavaNode(net.sourceforge.pmd.lang.java.ast.DummyJavaNode)

Aggregations

ImportWrapper (net.sourceforge.pmd.lang.rule.ImportWrapper)6 StringTokenizer (java.util.StringTokenizer)1 Matcher (java.util.regex.Matcher)1 Pattern (java.util.regex.Pattern)1 ASTName (net.sourceforge.pmd.lang.java.ast.ASTName)1 ASTPackageDeclaration (net.sourceforge.pmd.lang.java.ast.ASTPackageDeclaration)1 Comment (net.sourceforge.pmd.lang.java.ast.Comment)1 DummyJavaNode (net.sourceforge.pmd.lang.java.ast.DummyJavaNode)1 FormalComment (net.sourceforge.pmd.lang.java.ast.FormalComment)1 TypeNode (net.sourceforge.pmd.lang.java.ast.TypeNode)1