org.elasticsearch.rest.RestResponse Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elasticsearch Show documentation
Show all versions of elasticsearch Show documentation
Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.rest;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.core.Releasable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
public abstract class RestResponse {
private Map> customHeaders;
/**
* The response content type.
*/
public abstract String contentType();
/**
* The response content. Note, if the content is {@link Releasable} it
* should automatically be released when done by the channel sending it.
*/
public abstract BytesReference content();
/**
* The rest status code.
*/
public abstract RestStatus status();
public void copyHeaders(ElasticsearchException ex) {
Set headerKeySet = ex.getHeaderKeys();
if (customHeaders == null) {
customHeaders = new HashMap<>(headerKeySet.size());
}
for (String key : headerKeySet) {
List values = customHeaders.get(key);
if (values == null) {
values = new ArrayList<>();
customHeaders.put(key, values);
}
values.addAll(ex.getHeader(key));
}
}
/**
* Add a custom header.
*/
public void addHeader(String name, String value) {
if (customHeaders == null) {
customHeaders = new HashMap<>(2);
}
List header = customHeaders.get(name);
if (header == null) {
header = new ArrayList<>();
customHeaders.put(name, header);
}
header.add(value);
}
/**
* Returns custom headers that have been added. This method should not be used to mutate headers.
*/
public Map> getHeaders() {
if (customHeaders == null) {
return Collections.emptyMap();
} else {
return customHeaders;
}
}
public Map> filterHeaders(Map> headers) {
return headers;
}
}