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Merge pull request #39 from Echtzeitsysteme/hotfix/mdvne-file-utils

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MdVNE FileUtils: adds various checks to methods
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Maximilian Kratz 2024-06-28 08:41:59 +02:00 committed by GitHub
commit 3a5bb944fd
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1 changed files with 33 additions and 0 deletions
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33
network.model/src/model/converter/FileUtils.java
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@ -1,5 +1,6 @@
package model.converter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.file.Files;
@ -28,6 +29,14 @@ public class FileUtils {
* @param json JSON object to write to file.
*/
protected static void writeFileFromJson(final String path, final JsonObject json) {
if (path == null || path.isBlank()) {
throw new IllegalArgumentException("Given path was null or blank.");
}
if (json == null) {
throw new IllegalArgumentException("Given json object was null.");
}
FileUtils.writeFile(path, json.toString());
}
@ -38,6 +47,9 @@ public class FileUtils {
* @return JSON object read from file.
*/
protected static JsonObject readFileToJson(final String path) {
if (path == null || path.isBlank()) {
throw new IllegalArgumentException("Given path was null or blank.");
}
return new Gson().fromJson(FileUtils.readFile(path), JsonObject.class);
}
@ -48,6 +60,14 @@ public class FileUtils {
* @param string Content to write in file.
*/
public static void writeFile(final String path, final String string) {
if (path == null || path.isBlank()) {
throw new IllegalArgumentException("Given path was null or blank.");
}
if (string == null) {
throw new IllegalArgumentException("Given String was null.");
}
FileWriter file = null;
try {
file = new FileWriter(path);
@ -71,6 +91,16 @@ public class FileUtils {
* @return File content as string.
*/
public static String readFile(final String path) {
if (path == null || path.isBlank()) {
throw new IllegalArgumentException("Given path was null or blank.");
}
// Check if file exists
final File f = new File(path);
if (!f.exists() || f.isDirectory()) {
throw new UnsupportedOperationException("File <" + path + "> does not exist.");
}
String read = "";
try {
read = Files.readString(Path.of(path));
@ -88,6 +118,9 @@ public class FileUtils {
* @return String with converted linebreaks.
*/
public static String replaceLinebreaks(final String toConvert) {
if (toConvert == null) {
throw new IllegalArgumentException("Given String was null.");
}
return toConvert.replace("\r\n", System.lineSeparator()).replace("\n", System.lineSeparator());
}