Initial commit from SVN.
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wcrisman
7
Line Count/.classpath
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7
Line Count/.classpath
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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
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<classpathentry combineaccessrules="false" kind="src" path="/Application Foundation"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>
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17
Line Count/.project
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17
Line Count/.project
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>Line Count</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>
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154
Line Count/src/Main.java
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154
Line Count/src/Main.java
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/*
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* Copyright (c) 2008,2009 Declarative Engineering LLC.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Declarative Engineering LLC
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* verson 1 which accompanies this distribution, and is available at
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* http://declarativeengineering.com/legal/DE_Developer_License_v1.txt
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*/
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import java.io.File;
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import java.io.FileInputStream;
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import java.text.DateFormat;
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import java.util.Date;
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import com.common.debug.Debug;
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import com.common.io.StreamSupport;
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/**
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* A simple utility that searches all java files in the current directory and all subdirectories to generate statistics.
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*/
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public class Main {
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private int totalLineCharacterCount = 0;
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private int totalLineCount = 0;
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private int totalCommentCharacterCount = 0;
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private int totalCommentCount = 0;
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private int totalFileCount = 0;
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private int totalClassCount = 0;
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private int totalInterfaceCount = 0;
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/**
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* Starts the utility - no parameters are expected.
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* @param args
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*/
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public static void main(String[] args) {
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new Main().start();
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// Date date = new Date(1246423640000L);
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// DateFormat format = DateFormat.getDateTimeInstance();
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//
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// System.out.println(format.format(date));
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}//main()//
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/**
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* Starts the processing of files and then outputs the results.
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*/
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private void start() {
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File file = new File(".");
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processFile(file);
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Debug.log("Total File Count: " + totalFileCount);
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Debug.log("Total Class Count: " + totalClassCount);
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Debug.log("Total Interface Count: " + totalInterfaceCount);
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Debug.log("Total Line Count: " + totalLineCount);
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Debug.log("Total Line Character Count: " + totalLineCharacterCount);
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Debug.log("Total Comment Count: " + totalCommentCount);
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Debug.log("Total Comment Character Count: " + totalCommentCharacterCount);
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}//start()//
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/**
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* Processes files recursively looking for java files.
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* @param file The file to search.
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*/
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private void processFile(File file) {
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if(file.isDirectory()) {
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File[] files = file.listFiles();
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for(int index = 0; index < files.length; index++) {
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processFile(files[index]);
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}//for//
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}//if//
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else {
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String fileName = file.getName();
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if((fileName.length() > 5) && (fileName.substring(fileName.length() - 5).equalsIgnoreCase(".java"))) {
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processJavaFile(file);
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}//if//
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}//else//
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}//processFile()//
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/**
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* Processes a java file to extract statistics.
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* <p>TODO: Don't just count semi-colons - loop beginnings should count as one line (versus none or several) and loop endings should tie to the loop beginnings.
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* @param file The java file.
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*/
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private void processJavaFile(File file) {
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try {
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FileInputStream fin = new FileInputStream(file);
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String contents = StreamSupport.readString(fin, "UTF8", (int) file.length());
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int contentsIndex = 0;
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int lineCharacterCount = 0;
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int lineCount = 0;
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while(contentsIndex != -1 && contentsIndex < contents.length()) {
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char next = contents.charAt(contentsIndex);
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if((next == '/') && (contentsIndex + 1 < contents.length()) && (contents.charAt(contentsIndex + 1) == '*')) {
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int endIndex = contents.indexOf("*/", contentsIndex + 2);
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if(endIndex == -1) {
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endIndex = contents.length();
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}//if//
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recordComment(contents.substring(contentsIndex + 2, endIndex));
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contentsIndex = endIndex + 2;
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}//if//
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else if((next == '/') && (contentsIndex + 1 < contents.length()) && (contents.charAt(contentsIndex + 1) == '/')) {
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int endIndex = contents.indexOf('\n', contentsIndex + 2);
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if(endIndex == -1) {
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endIndex = contents.length();
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}//if//
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recordComment(contents.substring(contentsIndex + 2, endIndex));
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contentsIndex = endIndex + 1;
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}//else if//
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else {
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if((next == 'c') && (contentsIndex + 6 < contents.length()) && (contents.charAt(contentsIndex + 1) == 'l') && (contents.charAt(contentsIndex + 2) == 'a') && (contents.charAt(contentsIndex + 3) == 's') && (contents.charAt(contentsIndex + 4) == 's') && (Character.isSpaceChar(contents.charAt(contentsIndex + 5)))) {
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totalClassCount++;
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}//if//
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else if((next == 'i') && (contentsIndex + 9 < contents.length()) && (contents.charAt(contentsIndex + 1) == 'n') && (contents.charAt(contentsIndex + 2) == 't') && (contents.charAt(contentsIndex + 3) == 'e') && (contents.charAt(contentsIndex + 4) == 'r') && (contents.charAt(contentsIndex + 5) == 'f') && (contents.charAt(contentsIndex + 6) == 'a') && (contents.charAt(contentsIndex + 7) == 'c') && (contents.charAt(contentsIndex + 8) == 'e') && (Character.isSpaceChar(contents.charAt(contentsIndex + 9)))) {
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totalInterfaceCount++;
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}//else if//
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if(!Character.isSpaceChar(next)) {
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lineCharacterCount++;
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if(next == ';') {
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lineCount++;
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}//if//
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}//if//
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}//else//
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contentsIndex++;
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}//while//
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totalLineCharacterCount += lineCharacterCount;
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totalLineCount += lineCount;
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totalFileCount++;
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}//try//
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catch(Throwable e) {
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Debug.log(e);
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System.exit(1);
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}//catch//
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}//processJavaFile()//
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/**
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* Records statistics on each comment.
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* @param comment The comment text.
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*/
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private void recordComment(String comment) {
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int characterCount = 0;
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for(int index = 0; index < comment.length(); index++) {
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if(!Character.isSpaceChar(comment.charAt(index))) {
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characterCount++;
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}//if//
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}//for//
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totalCommentCharacterCount += characterCount;
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totalCommentCount++;
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}//recordComment()//
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}//Main//
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