/**
* Copyright 2007-2015, Kaazing Corporation. 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.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License 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 org.kaazing.k3po.driver.internal.behavior.handler.codec.http;
import static java.lang.String.format;
import static java.nio.charset.StandardCharsets.US_ASCII;
import java.util.List;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.handler.codec.http.HttpHeaders;
import org.kaazing.k3po.driver.internal.behavior.handler.codec.ConfigEncoder;
import org.kaazing.k3po.driver.internal.behavior.handler.codec.MessageEncoder;
import org.kaazing.k3po.driver.internal.netty.bootstrap.http.HttpChannelConfig;
public class HttpHeaderEncoder implements ConfigEncoder {
private final MessageEncoder nameEncoder;
private final List<MessageEncoder> valueEncoders;
public HttpHeaderEncoder(MessageEncoder nameEncoder, List<MessageEncoder> valueEncoders) {
this.nameEncoder = nameEncoder;
this.valueEncoders = valueEncoders;
}
@Override
public void encode(Channel channel) throws Exception {
HttpChannelConfig httpConfig = (HttpChannelConfig) channel.getConfig();
HttpHeaders writeHeaders = httpConfig.getWriteHeaders();
String headerName = nameEncoder.encode().toString(US_ASCII);
if (valueEncoders.size() == 1) {
MessageEncoder valueEncoder = valueEncoders.get(0);
String headerValue = valueEncoder.encode().toString(US_ASCII);
writeHeaders.add(headerName, headerValue);
}
else {
for (MessageEncoder valueEncoder : valueEncoders) {
String headerValue = valueEncoder.encode().toString(US_ASCII);
writeHeaders.add(headerName, headerValue);
}
}
}
@Override
public String toString() {
return format("http:header %s %s", nameEncoder, valueEncoders);
}
}