Index: /trunk/java-utils-test/src/test/java/de/ugoe/cs/util/FileToolsTest.java
===================================================================
--- /trunk/java-utils-test/src/test/java/de/ugoe/cs/util/FileToolsTest.java (revision 1450)
+++ /trunk/java-utils-test/src/test/java/de/ugoe/cs/util/FileToolsTest.java (revision 1451)
@@ -15,5 +15,10 @@
package de.ugoe.cs.util;
+import java.io.File;
+
+import junitx.framework.FileAssert;
+
import org.junit.*;
+
import static org.junit.Assert.*;
@@ -72,4 +77,65 @@
FileTools.getLinesFromFile(filenameNotExists, false);
}
+
+ @Test
+ public void testWriteArrayToFile_1() throws Exception {
+ String[] array = new String[]{"foo", "bar"};
+ String filename = "testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-actual_01.txt";
+ String separator = "";
+ boolean lineBreak = false;
+
+ // cleanup old result
+ new File(filename).delete();
+
+ FileTools.writeArrayToFile(array, filename, separator, lineBreak);
+
+ FileAssert.assertEquals(new File("testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_01.txt"), new File(filename));
+
+ // cleanup after successful test
+ new File(filename).delete();
+ }
+
+ @Test
+ public void testWriteArrayToFile_2() throws Exception {
+ String[] array = new String[]{"foo", "bar"};
+ String filename = "testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-actual_02.txt";
+ String separator = " - ";
+ boolean lineBreak = false;
+
+ // cleanup old result
+ new File(filename).delete();
+
+ FileTools.writeArrayToFile(array, filename, separator, lineBreak);
+
+ FileAssert.assertEquals(new File("testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_02.txt"), new File(filename));
+
+ // cleanup after successful test
+ new File(filename).delete();
+ }
+
+ @Test
+ public void testWriteArrayToFile_3() throws Exception {
+ String[] array = new String[]{"foo", "bar"};
+ String filename = "testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-actual_03.txt";
+ String separator = "";
+ boolean lineBreak = true;
+
+ // cleanup old result
+ new File(filename).delete();
+
+ FileTools.writeArrayToFile(array, filename, separator, lineBreak);
+
+ String expectedFile;
+ if( System.getProperty("line.separator").equals("\r\n") ) {
+ expectedFile = "testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_03_cr.txt";
+ } else {
+ expectedFile = "testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_03_nocr.txt";
+ }
+
+ FileAssert.assertEquals(new File(expectedFile), new File(filename));
+
+ // cleanup after successful test
+ new File(filename).delete();
+ }
public static void main(String[] args) {
Index: /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_01.txt
===================================================================
--- /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_01.txt (revision 1451)
+++ /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_01.txt (revision 1451)
@@ -0,0 +1,1 @@
+foobar
Index: /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_02.txt
===================================================================
--- /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_02.txt (revision 1451)
+++ /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_02.txt (revision 1451)
@@ -0,0 +1,1 @@
+foo - bar
Index: /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_03_cr.txt
===================================================================
--- /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_03_cr.txt (revision 1451)
+++ /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_03_cr.txt (revision 1451)
@@ -0,0 +1,2 @@
+foo
+bar
Index: /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_03_nocr.txt
===================================================================
--- /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_03_nocr.txt (revision 1451)
+++ /trunk/java-utils-test/testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_03_nocr.txt (revision 1451)
@@ -0,0 +1,2 @@
+foo
+bar
Index: /trunk/java-utils/src/main/java/de/ugoe/cs/util/FileTools.java
===================================================================
--- /trunk/java-utils/src/main/java/de/ugoe/cs/util/FileTools.java (revision 1450)
+++ /trunk/java-utils/src/main/java/de/ugoe/cs/util/FileTools.java (revision 1451)
@@ -15,8 +15,10 @@
package de.ugoe.cs.util;
+import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
+import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
@@ -99,9 +101,47 @@
return (new String(buffer)).split(splitString);
}
-
+
/**
*
- * Autocompletes a give path. The path must be absolute. Otherwise, autocompletion
- * is not possible.
+ * Writes an array to a file using the toString function of its object.
+ *
+ *
+ * @param array
+ * array that is written
+ * @param filename
+ * name of the output file
+ * @param separator
+ * separator string that is put between the array objects
+ * @param lineBreak
+ * if true, a new line is added after each array element and its separator
+ * @throws IOException
+ * see {@link BufferedWriter#write(String)}, {@link BufferedWriter#newLine()},
+ * {@link BufferedWriter#flush()}, {@link BufferedWriter#close()},
+ * {@link FileWriter#FileWriter(String)}
+ */
+ public static void writeArrayToFile(T[] array,
+ String filename,
+ String separator,
+ boolean lineBreak) throws IOException
+ {
+ BufferedWriter outputWriter = null;
+ outputWriter = new BufferedWriter(new FileWriter(filename));
+ for (int i = 0; i < array.length; i++) {
+ outputWriter.write(array[i].toString());
+ if (i < array.length - 1) {
+ outputWriter.write(separator);
+ if (lineBreak) {
+ outputWriter.newLine();
+ }
+ }
+ }
+ outputWriter.flush();
+ outputWriter.close();
+ }
+
+ /**
+ *
+ * Autocompletes a given path. The path must be absolute. Otherwise, autocompletion is not
+ * possible.
*
*
@@ -113,5 +153,5 @@
File prefixFile = new File(prefix);
File parentDir = prefixFile.getParentFile();
-
+
if (parentDir == null) {
// the prefix does not denote a path or denotes one of the root directories.
@@ -119,21 +159,21 @@
return prefix;
}
-
+
String[] completions = null;
-
+
if (parentDir.exists()) {
completions = parentDir.list();
}
-
+
if (completions == null) {
completions = new String[0];
}
-
+
String completedPrefix;
-
+
completedPrefix = StringTools.autocomplete(prefixFile.getName(), completions);
-
+
File completedFile = new File(parentDir, completedPrefix);
-
+
if (completedFile.exists() && completedFile.isDirectory()) {
return completedFile.getAbsolutePath() + File.separator;