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JAVA-12359 Potential issue in Validate String as Filename in Java article

This commit is contained in:
anuragkumawat 2022-06-17 22:26:31 +05:30
parent a5ddb7dd9c
commit d81428bab7
2 changed files with 16 additions and 11 deletions
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2
core-java-modules/core-java-string-operations-3/src/main/java/com/baeldung/stringfilenamevalidaiton/StringFilenameValidationUtils.java
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@ -7,7 +7,7 @@ import java.util.Arrays;
public class StringFilenameValidationUtils { public class StringFilenameValidationUtils {
public static final Character[] INVALID_WINDOWS_SPECIFIC_CHARS = {'"', '*', ':', '<', '>', '?', '\\', '|', 0x7F}; public static final Character[] INVALID_WINDOWS_SPECIFIC_CHARS = {'"', '*', ':', '<', '>', '?', '\\', '|', '/'};
public static final Character[] INVALID_UNIX_SPECIFIC_CHARS = {'\000'}; public static final Character[] INVALID_UNIX_SPECIFIC_CHARS = {'\000'};
public static final String REGEX_PATTERN = "^[A-za-z0-9.]{1,255}$"; public static final String REGEX_PATTERN = "^[A-za-z0-9.]{1,255}$";

19
core-java-modules/core-java-string-operations-3/src/test/java/com/baeldung/stringfilenamevalidaiton/StringFilenameValidationUnitTest.java
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@ -2,6 +2,7 @@ package com.baeldung.stringfilenamevalidaiton;
import org.apache.commons.lang3.RandomStringUtils; import org.apache.commons.lang3.RandomStringUtils;
import org.apache.commons.lang3.RandomUtils; import org.apache.commons.lang3.RandomUtils;
import org.assertj.core.api.InstanceOfAssertFactories;
import org.junit.jupiter.api.Test; import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.condition.EnabledOnOs; import org.junit.jupiter.api.condition.EnabledOnOs;
import org.junit.jupiter.api.condition.OS; import org.junit.jupiter.api.condition.OS;
@ -79,14 +80,18 @@ public class StringFilenameValidationUnitTest {
@ParameterizedTest @ParameterizedTest
@EnabledOnOs(OS.WINDOWS) @EnabledOnOs(OS.WINDOWS)
@MethodSource("filenamesWithInvalidWindowsChars") @MethodSource("filenamesWithInvalidWindowsChars")
public void givenFilenameStringWithInvalidWindowsCharAndIsWindows_whenValidateUsingIO_thenRaiseException(String filename) { public void givenFilenameStringWithInvalidWindowsCharAndIsWindows_whenValidateUsingIO_thenRaiseException(
assertThatThrownBy(() -> validateStringFilenameUsingIO(filename)) String filename) {
.isInstanceOf(IOException.class) if (!filename.contains(":")) {
.hasMessageContaining("Invalid file path"); assertThatThrownBy(() -> validateStringFilenameUsingIO(filename)).isInstanceOf(IOException.class)
.extracting(Throwable::getMessage, InstanceOfAssertFactories.STRING)
.containsAnyOf("The system cannot find the path specifie",
"The filename, directory name, or volume label syntax is incorrect");
if (!filename.contains("/") && !filename.contains("\\")) {
assertThatThrownBy(() -> validateStringFilenameUsingNIO2(filename)) assertThatThrownBy(() -> validateStringFilenameUsingNIO2(filename))
.isInstanceOf(InvalidPathException.class) .isInstanceOf(InvalidPathException.class).hasMessageContaining("Illegal char");
.hasMessage("character not allowed"); }
}
assertThat(validateStringFilenameUsingContains(filename)).isFalse(); assertThat(validateStringFilenameUsingContains(filename)).isFalse();
} }