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The Async Http Client (AHC) classes.
/*
* Copyright (c) 2017 AsyncHttpClient Project. All rights reserved.
*
* This program is licensed to you under the Apache License Version 2.0,
* and you may not use this file except in compliance with the Apache License Version 2.0.
* You may obtain a copy of the Apache License Version 2.0 at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the Apache License Version 2.0 is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
*/
package org.asynchttpclient.oauth;
import org.asynchttpclient.util.StringBuilderPool;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
final class Parameters {
private List parameters = new ArrayList<>();
public Parameters add(String key, String value) {
parameters.add(new Parameter(key, value));
return this;
}
public void reset() {
parameters.clear();
}
String sortAndConcat() {
// then sort them (AFTER encoding, important)
Collections.sort(parameters);
// and build parameter section using pre-encoded pieces:
StringBuilder encodedParams = StringBuilderPool.DEFAULT.stringBuilder();
for (Parameter param : parameters) {
encodedParams.append(param.key).append('=').append(param.value).append('&');
}
int length = encodedParams.length();
if (length > 0) {
encodedParams.setLength(length - 1);
}
return encodedParams.toString();
}
}
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