From cfbb9801c48e0f50bdd0799f40a1a71de28b2873 Mon Sep 17 00:00:00 2001
From: Martin Goik <goik@hdm-stuttgart.de>
Date: Wed, 18 Jun 2014 18:05:38 +0200
Subject: [PATCH] Whitespace extension and single input filename
---
.../mi/sd1/textstat/TextFileHandler.java | 17 ++++++++---------
.../mi/sd1/textstat/TextStatistics.java | 16 +++-------------
Sd1/P/WordFrequency1/Solution/testdata.txt | 14 +++++++-------
Sd1/swd1.xml | 8 +++++++-
4 files changed, 25 insertions(+), 30 deletions(-)
diff --git a/Sd1/P/WordFrequency1/Solution/src/main/java/de/hdm_stuttgart/mi/sd1/textstat/TextFileHandler.java b/Sd1/P/WordFrequency1/Solution/src/main/java/de/hdm_stuttgart/mi/sd1/textstat/TextFileHandler.java
index 6ba0807fc..56c67cd79 100644
--- a/Sd1/P/WordFrequency1/Solution/src/main/java/de/hdm_stuttgart/mi/sd1/textstat/TextFileHandler.java
+++ b/Sd1/P/WordFrequency1/Solution/src/main/java/de/hdm_stuttgart/mi/sd1/textstat/TextFileHandler.java
@@ -2,19 +2,19 @@ package de.hdm_stuttgart.mi.sd1.textstat;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
+import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
- * Count lines, words and characters for an individual
- * file name.
+ * Count words and their respective frequencies of appearance.
*
*/
public class TextFileHandler {
/**
- * The input file name or null if reading from {@link System#in}.
+ * The input file name to read from.
*/
public final String filename;
@@ -24,20 +24,18 @@ public class TextFileHandler {
final List<WordFrequency> wordFrequencies = new ArrayList<WordFrequency>();
/**
- * @param reader Reader supplying content to be read and parsed.
- * @param filename The filename input has been read from, empty string
- * if reading from standard input, see {@link #filename}
+ * @param filename The filename input to read input, see {@link #filename}
*
* @throws IOException File fileName cannot be read
* @throws FileNotFoundException File fileName does not exist
*/
- public TextFileHandler(final BufferedReader reader, final String filename)
+ public TextFileHandler(final String filename)
throws FileNotFoundException, IOException {
this.filename = filename;
-
+ final BufferedReader reader = new BufferedReader(new FileReader(filename));
for (String line = reader.readLine(); line != null; line = reader.readLine()) {
- final String[] words = line.split("[ \t]+");
+ final String[] words = line.split("[ \t\"!.]+");
for (final String word: words) {
final WordFrequency newWordCandidate = new WordFrequency(word);
final int existingIndex = wordFrequencies.indexOf(newWordCandidate);
@@ -48,6 +46,7 @@ public class TextFileHandler {
}
}
}
+ reader.close();
}
/**
diff --git a/Sd1/P/WordFrequency1/Solution/src/main/java/de/hdm_stuttgart/mi/sd1/textstat/TextStatistics.java b/Sd1/P/WordFrequency1/Solution/src/main/java/de/hdm_stuttgart/mi/sd1/textstat/TextStatistics.java
index 19903f220..cd4c48b00 100644
--- a/Sd1/P/WordFrequency1/Solution/src/main/java/de/hdm_stuttgart/mi/sd1/textstat/TextStatistics.java
+++ b/Sd1/P/WordFrequency1/Solution/src/main/java/de/hdm_stuttgart/mi/sd1/textstat/TextStatistics.java
@@ -1,9 +1,6 @@
package de.hdm_stuttgart.mi.sd1.textstat;
-import java.io.BufferedReader;
-import java.io.FileReader;
import java.io.IOException;
-import java.io.InputStreamReader;
/**
* Reading a text file and writing all content
@@ -18,22 +15,15 @@ public class TextStatistics {
TextFileHandler textFileHandler = null;
- if (0 == fileNames.length) { // Try to read from standard input
+ if (1 == fileNames.length){ // Try to read from input file
try {
- textFileHandler = new TextFileHandler(new BufferedReader(new InputStreamReader(System.in)), "");
- } catch(IOException ex) {
- System.err.println("unable to read from standard input");
- System.exit(1);
- }
- } else if (1 == fileNames.length){ // Try to read from input file
- try {
- textFileHandler = new TextFileHandler(new BufferedReader(new FileReader(fileNames[0])), fileNames[0]);
+ textFileHandler = new TextFileHandler(fileNames[0]);
} catch (IOException e) {
System.err.println("unable to read from file '" + fileNames[0] + "'");
System.exit(1);
}
} else {
- System.err.println("Too many arguments");
+ System.err.println("I need exactly one file name argument");
System.exit(1);
}
textFileHandler.printFrequencies();
diff --git a/Sd1/P/WordFrequency1/Solution/testdata.txt b/Sd1/P/WordFrequency1/Solution/testdata.txt
index 1fc141cef..2877d2fc8 100644
--- a/Sd1/P/WordFrequency1/Solution/testdata.txt
+++ b/Sd1/P/WordFrequency1/Solution/testdata.txt
@@ -1,11 +1,11 @@
One day , Einstein , Newton , and Pascal meet up
and decide to play a game of hide and seek.
-Einstein volunteered to be " It . " As Einstein
-counted , eyes closed , to 100 , Pascal ran away
-and hid , but Newton stood right in front of
+Einstein volunteered to be "It". As Einstein
+counted, eyes closed, to 100, Pascal ran away
+and hid, but Newton stood right in front of
Einstein and drew a one meter by one meter
-square on the floor around himself . When
+square on the floor around himself. When
Einstein opened his eyes, he immediately saw
-Newton and said " I found you Newton , " but Newton
-replied , " No , you found one Newton per square meter .
-You found Pascal !"
\ No newline at end of file
+Newton and said "I found you Newton", but Newton
+replied, "No, you found one Newton per square meter.
+You found Pascal!"
\ No newline at end of file
diff --git a/Sd1/swd1.xml b/Sd1/swd1.xml
index f7f260da4..b75158eab 100644
--- a/Sd1/swd1.xml
+++ b/Sd1/swd1.xml
@@ -7081,7 +7081,7 @@ final BufferedReader inputBufferedReader = new BufferedReader(fileReader);
</section>
</chapter>
- <chapter xml:id="sd1Collection">
+ <chapter xml:id="sd1CollectionI">
<title>Collections I (18.6.)</title>
<section xml:id="sd1CollectionsPrep">
@@ -7484,5 +7484,11 @@ c12.equals("dummy"):false
</section>
</chapter>
+ <chapter xml:id="sd1CollectII">
+ <title>Collections II (20.6.)</title>
+
+ <para/>
+ </chapter>
+
<xi:include href="bibliography.xml" xpointer="element(/1)"/>
</part>
--
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