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Diffstat (limited to 'src/main/java/org/onap/sdc/toscaparser/api/utils/UrlUtils.java')
-rw-r--r-- | src/main/java/org/onap/sdc/toscaparser/api/utils/UrlUtils.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/main/java/org/onap/sdc/toscaparser/api/utils/UrlUtils.java b/src/main/java/org/onap/sdc/toscaparser/api/utils/UrlUtils.java new file mode 100644 index 0000000..3eb156d --- /dev/null +++ b/src/main/java/org/onap/sdc/toscaparser/api/utils/UrlUtils.java @@ -0,0 +1,123 @@ +package org.onap.sdc.toscaparser.api.utils; + +import org.onap.sdc.toscaparser.api.common.JToscaValidationIssue; + +import java.io.IOException; +import java.net.HttpURLConnection; +import java.net.MalformedURLException; +import java.net.URL; + +public class UrlUtils { + + public static boolean validateUrl(String sUrl) { + // Validates whether the given path is a URL or not + + // If the given path includes a scheme (http, https, ftp, ...) and a net + // location (a domain name such as www.github.com) it is validated as a URL + try { + URL url = new URL(sUrl); + if(url.getProtocol().equals("file")) { + return true; + } + return url.getAuthority() != null; + } + catch(MalformedURLException e) { + return false; + } + } + + public static String joinUrl(String sUrl,String relativePath) { + // Builds a new URL from the given URL and the relative path + + // Example: + // url: http://www.githib.com/openstack/heat + // relative_path: heat-translator + // - joined: http://www.githib.com/openstack/heat-translator + if(!validateUrl(sUrl)) { + ThreadLocalsHolder.getCollector().appendValidationIssue(new JToscaValidationIssue("JE255", String.format( + "ValueError: The URL \"%s\" is malformed",sUrl))); + } + try { + URL base = new URL(sUrl); + return (new URL(base,relativePath)).toString(); + } + catch(MalformedURLException e) { + ThreadLocalsHolder.getCollector().appendValidationIssue(new JToscaValidationIssue("JE256", String.format( + "ValueError: Joining URL \"%s\" and relative path \"%s\" caused an exception",sUrl,relativePath))); + return sUrl; + } + } + + public static boolean isUrlAccessible(String sUrl) { + // Validates whether the given URL is accessible + + // Returns true if the get call returns a 200 response code. + // Otherwise, returns false. + try { + HttpURLConnection connection = (HttpURLConnection) new URL(sUrl).openConnection(); + connection.setRequestMethod("HEAD"); + int responseCode = connection.getResponseCode(); + return responseCode == 200; + } + catch(IOException e) { + return false; + } + } + +} + +/*python + +from six.moves.urllib.parse import urljoin +from six.moves.urllib.parse import urlparse +from toscaparser.common.exception import ValidationIssueCollector +from toscaparser.utils.gettextutils import _ + +try: + # Python 3.x + import urllib.request as urllib2 +except ImportError: + # Python 2.x + import urllib2 + + +class UrlUtils(object): + + @staticmethod + def validate_url(path): + """Validates whether the given path is a URL or not. + + If the given path includes a scheme (http, https, ftp, ...) and a net + location (a domain name such as www.github.com) it is validated as a + URL. + """ + parsed = urlparse(path) + if parsed.scheme == 'file': + # If the url uses the file scheme netloc will be "" + return True + else: + return bool(parsed.scheme) and bool(parsed.netloc) + + @staticmethod + def join_url(url, relative_path): + """Builds a new URL from the given URL and the relative path. + + Example: + url: http://www.githib.com/openstack/heat + relative_path: heat-translator + - joined: http://www.githib.com/openstack/heat-translator + """ + if not UrlUtils.validate_url(url): + ValidationIssueCollector.appendException( + ValueError(_('"%s" is not a valid URL.') % url)) + return urljoin(url, relative_path) + + @staticmethod + def url_accessible(url): + """Validates whether the given URL is accessible. + + Returns true if the get call returns a 200 response code. + Otherwise, returns false. + """ + return urllib2.urlopen(url).getcode() == 200 +*/
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