Java Apache Commons UrlValidator-配置为允许umlaut字符
我想验证一长串URL字符串,但其中一些包含umlaut字符,例如:ä、á、è、ö等 有没有办法配置ApacheCommonsUrlValidator来接受这些字符 此测试失败(注意ã):Java Apache Commons UrlValidator-配置为允许umlaut字符,java,special-characters,apache-commons,url-validation,Java,Special Characters,Apache Commons,Url Validation,我想验证一长串URL字符串,但其中一些包含umlaut字符,例如:ä、á、è、ö等 有没有办法配置ApacheCommonsUrlValidator来接受这些字符 此测试失败(注意ã): @Test public void urlValidatorShouldPassWithUmlaut() { // Given org.apache.commons.validator.routines.UrlValidator validator; validator = new Ur
@Test
public void urlValidatorShouldPassWithUmlaut()
{
// Given
org.apache.commons.validator.routines.UrlValidator validator;
validator = new UrlValidator( new String[] { "http", "https" }, UrlValidator.ALLOW_ALL_SCHEMES );
// When
String url = "http://dbpedia.org/resource/São_Paulo";
// Then
assertThat( validator.isValid( url ), is( true ) );
}
@Test
public void urlValidatorShouldPassWithUmlaut()
{
// Given
org.apache.commons.validator.routines.UrlValidator validator;
validator = new UrlValidator( new String[] { "http", "https" }, UrlValidator.ALLOW_ALL_SCHEMES );
// When
String url = "http://dbpedia.org/resource/Sao_Paulo";
// Then
assertThat( validator.isValid( url ), is( true ) );
}
该测试通过(替换为a):
@Test
public void urlValidatorShouldPassWithUmlaut()
{
// Given
org.apache.commons.validator.routines.UrlValidator validator;
validator = new UrlValidator( new String[] { "http", "https" }, UrlValidator.ALLOW_ALL_SCHEMES );
// When
String url = "http://dbpedia.org/resource/São_Paulo";
// Then
assertThat( validator.isValid( url ), is( true ) );
}
@Test
public void urlValidatorShouldPassWithUmlaut()
{
// Given
org.apache.commons.validator.routines.UrlValidator validator;
validator = new UrlValidator( new String[] { "http", "https" }, UrlValidator.ALLOW_ALL_SCHEMES );
// When
String url = "http://dbpedia.org/resource/Sao_Paulo";
// Then
assertThat( validator.isValid( url ), is( true ) );
}
软件版本:
<dependency>
<groupId>commons-validator</groupId>
<artifactId>commons-validator</artifactId>
<version>1.4.0</version>
</dependency>
通用验证器
通用验证器
1.4.0
更新:
@Test
public void urlValidatorShouldPassWithUmlaut()
{
// Given
org.apache.commons.validator.routines.UrlValidator validator;
validator = new UrlValidator( new String[] { "http", "https" }, UrlValidator.ALLOW_ALL_SCHEMES );
// When
String url = "http://dbpedia.org/resource/São_Paulo";
// Then
assertThat( validator.isValid( url ), is( true ) );
}
@Test
public void urlValidatorShouldPassWithUmlaut()
{
// Given
org.apache.commons.validator.routines.UrlValidator validator;
validator = new UrlValidator( new String[] { "http", "https" }, UrlValidator.ALLOW_ALL_SCHEMES );
// When
String url = "http://dbpedia.org/resource/Sao_Paulo";
// Then
assertThat( validator.isValid( url ), is( true ) );
}
validator.isValid(IDN.toASCII(url))
也会失败,因为IDN.toASCII(url)
做了一些我还不了解的事情,例如它转换http://dbpedia.org/resource/S圣保罗
intohttp://dbpedia.xn--org/resource/so_paulo-w1b
,根据UrlValidator
的规定,仍然无效。在验证umlaut部件之前,必须将其编码为:
import org.apache.commons.validator.routines.UrlValidator;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
public class UmlautUrlTest {
public static void main(String[] args) {
String url = "http://dbpedia.org/resource/";
String umlautPart="São_Paulo";
UrlValidator v= null;
try {
String s[]={"http", "https"};
v = new UrlValidator(s, UrlValidator.ALLOW_ALL_SCHEMES);
String encodedUrl=URLEncoder.encode(umlautPart,"UTF-8");
System.out.println(v.isValid(url+encodedUrl));
} catch (UnsupportedEncodingException e) {
e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
}
}
}
输出为:
true
S%C3%A3o_Paulo
编辑:
@Test
public void urlValidatorShouldPassWithUmlaut()
{
// Given
org.apache.commons.validator.routines.UrlValidator validator;
validator = new UrlValidator( new String[] { "http", "https" }, UrlValidator.ALLOW_ALL_SCHEMES );
// When
String url = "http://dbpedia.org/resource/São_Paulo";
// Then
assertThat( validator.isValid( url ), is( true ) );
}
@Test
public void urlValidatorShouldPassWithUmlaut()
{
// Given
org.apache.commons.validator.routines.UrlValidator validator;
validator = new UrlValidator( new String[] { "http", "https" }, UrlValidator.ALLOW_ALL_SCHEMES );
// When
String url = "http://dbpedia.org/resource/Sao_Paulo";
// Then
assertThat( validator.isValid( url ), is( true ) );
}
您可以使用此函数对整个url进行编码以进行解析
public static String encodeUrl(String url) {
String temp[] = url.split("://");
String protocol = temp[0];
String restOfUrl = temp[1];
temp = restOfUrl.split("\\.");
//for the all except last token of host
for (int i = 0; i < temp.length - 1; i++) {
try {
temp[i] = URLEncoder.encode(temp[i], "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
}
}
String temp2[] = temp[temp.length - 1].split("/");
String host = "";
for (int i = 0; i < temp.length - 1; i++) {
host = host + temp[i];
}
try {
host = host + "." + URLEncoder.encode(temp2[0], "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
}
host = host.substring(0);
String remainingPart = "";
for (int i = 1; i < temp2.length; i++) {
try {
remainingPart = remainingPart + "/" + URLEncoder.encode(temp2[i], "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
}
}
return (protocol + "://" + host + remainingPart);
}
公共静态字符串编码url(字符串url){
字符串temp[]=url.split(“:/”);
字符串协议=临时[0];
字符串restOfUrl=temp[1];
温度=剩余分离(“\\”);
//对于除主机最后一个令牌之外的所有令牌
对于(int i=0;i
并在测试中使用:
validator.isValid(encodeUrl(url))
在阅读此SO问题()时,我发现另一个部分解决方案如下:
public static boolean removeAccentsAndValidateUrl( String url )
{
String normalizedUrl = Normalizer.normalize( url, Normalizer.Form.NFD );
Pattern accentsPattern = Pattern.compile( "\\p{InCombiningDiacriticalMarks}+" );
String urlWithoutAccents = accentsPattern.matcher( normalizedUrl ).replaceAll( "" );
String[] schemes = {"http", "https"};
long options = UrlValidator.ALLOW_ALL_SCHEMES;
UrlValidator urlValidator = new UrlValidator( schemes, options );
return urlValidator.isValid(urlWithoutAccents);
}
然而,事实证明UrlValidator在(除其他字符外)上也会失败
例如,以下验证失败:
http://dbpedia.org/resource/PENTA_–_Pena_Transportes_Aereos
您使用的是org.apache.commons.validator.routines.urlvidator还是org.apache.commons.validator.urlvidator?org.apache.commons.validator.routines.urlvidator(org.apache.commons.validator.urlvidator已弃用)您是否尝试过对
IDN.toASCII(url)
运行验证?谢谢,我刚刚尝试过,但不起作用,请参阅下面的注释widn.toAscii(“)==”,该注释仍然无效,无法告知“UrlValidator”(或其他库-我愿意接受建议)允许使用UMLAUT,而不是执行编码?代码应该只验证许多文本元素是否按预期格式进行了格式化。转换文本元素似乎没有必要,效率低下,因为转换后的文本会立即被丢弃。@AlexAverbuch我给出的方法是处理特殊字符的标准方法n java URL的。我不知道有任何这样的特殊库。对我来说,我总是觉得最好坚持采用更为公认的方式来完成事情。顺便说一句,我的解决方案不进行转换,而是进行编码。@AlexAverbuch您所面临的任何问题在apache commons中都是一个开放的问题。看到这一点,如果您的解决方案是这样的,如果我不知道,我会怎么做umlaut位于URL的哪一部分?谢谢,我还编辑了一个错误,修复了路径中不必要的“.”字符编码