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Updated to use Streams in convertToCSV for BAEL-2499

This commit is contained in:
amdegregorio 2019-01-14 13:35:07 -05:00
parent bbb4016885
commit 2db589c5b4
2 changed files with 7 additions and 11 deletions
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16
core-java-io/src/main/java/com/baeldung/csv/WriteCsvFileExample.java
View File

@ -1,18 +1,14 @@
package com.baeldung.csv;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class WriteCsvFileExample {
public String convertToCSV(String[] data) {
StringBuilder csvLine = new StringBuilder();
for (int i = 0; i < data.length; i++) {
if (i > 0) {
csvLine.append(",");
}
csvLine.append(escapeSpecialCharacters(data[i]));
}
return csvLine.toString();
return Stream.of(data)
.map(this::escapeSpecialCharacters)
.collect(Collectors.joining(","));
}
public String escapeSpecialCharacters(String data) {

2
core-java-io/src/test/java/com/baeldung/csv/WriteCsvFileExampleUnitTest.java
View File

@ -65,7 +65,7 @@ public class WriteCsvFileExampleUnitTest {
}
@Test
public void givenBufferedWriter_whenWriteLine_thenOutputCreated() {
public void givenDataArray_whenConvertToCSV_thenOutputCreated() {
List<String[]> dataLines = new ArrayList<String[]>();
dataLines.add(new String[] { "John", "Doe", "38", "Comment Data\nAnother line of comment data" });
dataLines.add(new String[] { "Jane", "Doe, Jr.", "19", "She said \"I'm being quoted\"" });