/*
* FindBugs - Find bugs in Java programs
* Copyright (C) 2003-2005, Mike Fagan <mfagan@tde.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.detect;
import java.io.PrintStream;
import java.util.BitSet;
import org.apache.bcel.classfile.Code;
import org.apache.bcel.classfile.Field;
import org.apache.bcel.classfile.JavaClass;
import org.apache.bcel.classfile.LineNumber;
import org.apache.bcel.classfile.Method;
import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.BugReporter;
import edu.umd.cs.findbugs.BugReporterObserver;
import edu.umd.cs.findbugs.Detector;
import edu.umd.cs.findbugs.NonReportingDetector;
import edu.umd.cs.findbugs.ProjectStats;
import edu.umd.cs.findbugs.ba.AnalysisContext;
import edu.umd.cs.findbugs.ba.ClassContext;
import edu.umd.cs.findbugs.visitclass.PreorderVisitor;
public class FindBugsSummaryStats extends PreorderVisitor implements Detector, BugReporterObserver, NonReportingDetector {
private ProjectStats stats;
BitSet lines = new BitSet(500);
int methods = 0;
int fields = 0;
int classCodeSize;
int totalNCSS = 0;
int totalCodeSize = 0;
int totalMethods = 0;
int totalFields = 0;
boolean sawLineNumbers;
@Override
public void visitJavaClass(JavaClass obj) {
if (AnalysisContext.currentAnalysisContext().isApplicationClass(obj))
super.visitJavaClass(obj);
}
@Override
public void visit(JavaClass obj) {
lines.clear();
methods = 0;
fields = 0;
classCodeSize = 0;
sawLineNumbers = false;
}
@Override
public void visit(Method obj) {
methods++;
}
@Override
public void visit(Field obj) {
fields++;
}
@Override
public void visit(Code obj) {
classCodeSize += obj.getCode().length;
}
@Override
public void visitAfter(JavaClass obj) {
int linesNCSS = 1 + methods + fields;
if (sawLineNumbers)
linesNCSS += lines.cardinality();
else
linesNCSS += classCodeSize / 10;
if (stats != null)
stats.addClass(getDottedClassName(), obj.getSourceFileName(), obj.isInterface(), linesNCSS);
totalCodeSize += classCodeSize;
totalNCSS += linesNCSS;
totalMethods += methods;
totalFields += fields;
}
@Override
public void visit(LineNumber obj) {
sawLineNumbers = true;
int line = obj.getLineNumber();
lines.set(line);
}
public FindBugsSummaryStats(BugReporter bugReporter) {
this.stats = bugReporter.getProjectStats();
bugReporter.addObserver(this);
}
public FindBugsSummaryStats() {
this.stats = null;
}
public void visitClassContext(ClassContext classContext) {
classContext.getJavaClass().accept(this);
}
public void report() {
}
@Override
public void report(PrintStream out) {
out.println("NCSS\t" + totalNCSS);
out.println("codeSz\t" + totalCodeSize);
out.println("methods\t" + totalMethods);
out.println("fields\t" + totalFields);
}
public void reportBug(BugInstance bug) {
// already added when bug was added to bug collection
}
}