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| package net.sourceforge.pmd.cpd; |
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| import net.sourceforge.pmd.PMD; |
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| import net.sourceforge.pmd.util.StringUtil; |
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| import java.util.Iterator; |
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| public class SimpleRenderer implements Renderer { |
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| private String separator; |
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| private boolean trimLeadingWhitespace; |
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| public static final String defaultSeparator = "====================================================================="; |
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| public SimpleRenderer() {
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| this(false);
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| } |
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| public SimpleRenderer(boolean trimLeadingWhitespace) {
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| this(defaultSeparator);
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| this.trimLeadingWhitespace = trimLeadingWhitespace;
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| } |
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| public SimpleRenderer(String theSeparator) {
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| separator = theSeparator;
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| } |
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| private void renderOn(StringBuffer rpt, Match match) {
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| rpt.append("Found a ").append(match.getLineCount()).append(" line (").append(match.getTokenCount()).append(" tokens) duplication in the following files: ").append(PMD.EOL);
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| TokenEntry mark;
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| for (Iterator occurrences = match.iterator(); occurrences.hasNext();) {
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| mark = (TokenEntry) occurrences.next();
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| rpt.append("Starting at line ").append(mark.getBeginLine()).append(" of ").append(mark.getTokenSrcID()).append(PMD.EOL);
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| } |
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| rpt.append(PMD.EOL);
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| String source = match.getSourceCodeSlice();
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| if (trimLeadingWhitespace) {
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| String[] lines = source.split("[" + PMD.EOL + "]");
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| int trimDepth = StringUtil.maxCommonLeadingWhitespaceForAll(lines);
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| if (trimDepth > 0) {
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| lines = StringUtil.trimStartOn(lines, trimDepth);
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| } |
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| for (int i=0; i<lines.length; i++) {
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| rpt.append(lines[i]).append(PMD.EOL);
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| } |
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| return;
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| } |
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| rpt.append(source).append(PMD.EOL);
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| } |
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| public String render(Iterator matches) {
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| StringBuffer rpt = new StringBuffer(300);
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| if (matches.hasNext()) {
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| renderOn(rpt, (Match)matches.next());
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| } |
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| Match match;
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| while (matches.hasNext()) {
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| match = (Match) matches.next();
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| rpt.append(separator).append(PMD.EOL);
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| renderOn(rpt, match);
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| } |
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| return rpt.toString();
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| } |
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| } |