software.amazon.awssdk.services.wisdom.endpoints.internal.UriEncodeFn Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of wisdom Show documentation

The AWS Java SDK for Wisdom module holds the client classes that are used for communicating with Wisdom.

There is a newer version: 2.29.15

/*
 * 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.wisdom.endpoints.internal;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.core.exception.SdkClientException;

@SdkInternalApi
public class UriEncodeFn extends SingleArgFn {
    public static final String ID = "uriEncode";
    private static final String[] ENCODED_CHARACTERS = new String[] { "+", "*", "%7E" };
    private static final String[] ENCODED_CHARACTERS_REPLACEMENTS = new String[] { "%20", "%2A", "~" };

    public UriEncodeFn(FnNode fnNode) {
        super(fnNode);
    }

    @Override
    protected Value evalArg(Value arg) {
        String url = arg.expectString();
        try {
            String encoded = URLEncoder.encode(url, "UTF-8");
            for (int i = 0; i < ENCODED_CHARACTERS.length; i++) {
                encoded = encoded.replace(ENCODED_CHARACTERS[i], ENCODED_CHARACTERS_REPLACEMENTS[i]);
            }
            return Value.fromStr(encoded);
        } catch (UnsupportedEncodingException e) {
            throw SdkClientException.create("Unable to URI encode value: " + url, e);
        }
    }

    @Override
    public  T acceptFnVisitor(FnVisitor visitor) {
        return visitor.visitUriEncode(this);
    }
}