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Handle variables in server declaration (#614)

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This commit is contained in:
Jérémie Bresson
2018-07-23 06:20:41 +02:00
committed by GitHub
parent 4156bb9f01
commit d42ff75ceb
2 changed files with 80 additions and 2 deletions
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43
modules/openapi-generator/src/main/java/org/openapitools/codegen/utils/URLPathUtils.java
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@@ -19,6 +19,8 @@ package org.openapitools.codegen.utils;
import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.servers.Server;
import io.swagger.v3.oas.models.servers.ServerVariable;
import io.swagger.v3.oas.models.servers.ServerVariables;
import org.openapitools.codegen.CodegenConfig;
import org.slf4j.Logger;
@@ -26,12 +28,17 @@ import org.slf4j.LoggerFactory;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class URLPathUtils {
private static final Logger LOGGER = LoggerFactory.getLogger(URLPathUtils.class);
public static final String LOCAL_HOST = "http://localhost";
public static final Pattern VARIABLE_PATTERN = Pattern.compile("\\{([^\\}]+)\\}");
public static URL getServerURL(OpenAPI openAPI) {
final List<Server> servers = openAPI.getServers();
@@ -40,8 +47,40 @@ public class URLPathUtils {
return getDefaultUrl();
}
// TODO need a way to obtain all server URLs
final Server server = servers.get(0);
String url = sanitizeUrl(server.getUrl());
return getServerURL(servers.get(0));
}
static URL getServerURL(final Server server) {
String url = server.getUrl();
ServerVariables variables = server.getVariables();
if(variables == null) {
variables = new ServerVariables();
}
Set<String> replacedVariables = new HashSet<>();
Matcher matcher = VARIABLE_PATTERN.matcher(url);
while(matcher.find()) {
if(!replacedVariables.contains(matcher.group())) {
ServerVariable variable = variables.get(matcher.group(1));
String replacement;
if(variable != null) {
if(variable.getDefault() != null) {
replacement = variable.getDefault();
} else if(variable.getEnum() != null && !variable.getEnum().isEmpty()) {
replacement = variable.getEnum().get(0);
} else {
LOGGER.warn("No value found for variable '{}' in server definition '{}', default to empty string.", matcher.group(1), server.getUrl());
replacement = "";
}
} else {
LOGGER.warn("No variable '{}' found in server definition '{}', default to empty string.", matcher.group(1), server.getUrl());
replacement = "";
}
url = url.replace(matcher.group(), replacement);
replacedVariables.add(matcher.group());
matcher = VARIABLE_PATTERN.matcher(url);
}
}
url = sanitizeUrl(url);
try {
return new URL(url);