/*
* SonarQube
* Copyright (C) 2009-2017 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonarqube.ws.client;
import com.google.common.base.Joiner;
import com.google.protobuf.Message;
import com.google.protobuf.Parser;
import java.io.InputStream;
import java.util.List;
import javax.annotation.CheckForNull;
import javax.annotation.Nullable;
import org.apache.commons.io.IOUtils;
import org.sonarqube.ws.MediaTypes;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Strings.isNullOrEmpty;
public abstract class BaseService {
private static final Joiner MULTI_VALUES_JOINER = Joiner.on(",");
private final WsConnector wsConnector;
protected final String controller;
public BaseService(WsConnector wsConnector, String controllerPath) {
checkArgument(!isNullOrEmpty(controllerPath));
this.wsConnector = wsConnector;
this.controller = controllerPath;
}
protected <T extends Message> T call(BaseRequest request, Parser<T> parser) {
request.setMediaType(MediaTypes.PROTOBUF);
WsResponse response = call(request);
return convert(response, parser);
}
protected WsResponse call(WsRequest request) {
return wsConnector.call(request).failIfNotSuccessful();
}
public <T extends Message> T convert(WsResponse response, Parser<T> parser) {
try (InputStream byteStream = response.contentStream()) {
byte[] bytes = IOUtils.toByteArray(byteStream);
// HTTP header "Content-Type" is not verified. It may be different than protobuf.
return parser.parseFrom(bytes);
} catch (Exception e) {
throw new IllegalStateException("Fail to parse protobuf response of " + response.requestUrl(), e);
}
}
protected String path(String action) {
return String.format("%s/%s", controller, action);
}
@CheckForNull
protected static String inlineMultipleParamValue(@Nullable List<String> values) {
return values == null ? null : MULTI_VALUES_JOINER.join(values);
}
}