software.amazon.awssdk.services.pinpoint.endpoints.internal.ParseUrl Maven / Gradle / Ivy
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The AWS Java SDK for Amazon Pinpoint module holds the client classes that are used for communicating
with Amazon Pinpoint Service
/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with
* the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
*/
package software.amazon.awssdk.services.pinpoint.endpoints.internal;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Arrays;
import software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.utils.MapUtils;
import software.amazon.awssdk.utils.StringUtils;
/**
* Function to parse a URI from a string.
*/
@SdkInternalApi
public class ParseUrl extends SingleArgFn {
public static final String ID = "parseURL";
public static final Identifier SCHEME = Identifier.of("scheme");
public static final Identifier AUTHORITY = Identifier.of("authority");
public static final Identifier PATH = Identifier.of("path");
public static final Identifier NORMALIZED_PATH = Identifier.of("normalizedPath");
public static final Identifier IS_IP = Identifier.of("isIp");
public ParseUrl(FnNode fnNode) {
super(fnNode);
}
public static ParseUrl ofExprs(Expr expr) {
return new ParseUrl(FnNode.ofExprs(ID, expr));
}
@Override
public T acceptFnVisitor(FnVisitor visitor) {
return visitor.visitParseUrl(this);
}
@Override
protected Value evalArg(Value arg) {
String url = arg.expectString();
try {
URL parsed = new URL(url);
String path = parsed.getPath();
if (parsed.getQuery() != null) {
return Value.none();
}
boolean isIpAddr = false;
String host = parsed.getHost();
if (host.startsWith("[") && host.endsWith("]")) {
isIpAddr = true;
}
String[] dottedParts = host.split("\\.");
if (dottedParts.length == 4) {
if (Arrays.stream(dottedParts).allMatch(part -> {
try {
int value = Integer.parseInt(part);
return value >= 0 && value <= 255;
} catch (NumberFormatException ex) {
return false;
}
})) {
isIpAddr = true;
}
}
String normalizedPath;
if (StringUtils.isBlank(path)) {
normalizedPath = "/";
} else {
StringBuilder builder = new StringBuilder();
if (!path.startsWith("/")) {
builder.append("/");
}
builder.append(path);
if (!path.endsWith("/")) {
builder.append("/");
}
normalizedPath = builder.toString();
}
return Value.fromRecord(MapUtils.of(SCHEME, Value.fromStr(parsed.getProtocol()), AUTHORITY,
Value.fromStr(parsed.getAuthority()), PATH, Value.fromStr(path), NORMALIZED_PATH,
Value.fromStr(normalizedPath), IS_IP, Value.fromBool(isIpAddr)));
} catch (MalformedURLException e) {
return Value.none();
}
}
}