/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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.keycloak.adapters;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpRequestBase;
import org.keycloak.util.JsonSerialization;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
*/
public class HttpAdapterUtils {
public static <T> T sendJsonHttpRequest(KeycloakDeployment deployment, HttpRequestBase httpRequest, Class<T> clazz) throws HttpClientAdapterException {
try {
HttpResponse response = deployment.getClient().execute(httpRequest);
int status = response.getStatusLine().getStatusCode();
if (status != 200) {
close(response);
throw new HttpClientAdapterException("Unexpected status = " + status);
}
HttpEntity entity = response.getEntity();
if (entity == null) {
throw new HttpClientAdapterException("There was no entity.");
}
InputStream is = entity.getContent();
try {
return JsonSerialization.readValue(is, clazz);
} finally {
try {
is.close();
} catch (IOException ignored) {
}
}
} catch (IOException e) {
throw new HttpClientAdapterException("IO error", e);
}
}
private static void close(HttpResponse response) {
if (response.getEntity() != null) {
try {
response.getEntity().getContent().close();
} catch (IOException e) {
}
}
}
}