org.squashtest.tm.plugin.testautomation.jenkins.internal.net.RequestExecutor.java Source code

Introduction

Here is the source code for org.squashtest.tm.plugin.testautomation.jenkins.internal.net.RequestExecutor.java

Source

/**
 *     This file is part of the Squashtest platform.
 *     Copyright (C) 2010 - 2016 Henix, henix.fr
 *
 *     See the NOTICE file distributed with this work for additional
 *     information regarding copyright ownership.
 *
 *     This 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 software 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 software.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.squashtest.tm.plugin.testautomation.jenkins.internal.net;

import org.apache.http.StatusLine;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.CloseableHttpClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.squashtest.tm.service.testautomation.spi.AccessDenied;
import org.squashtest.tm.service.testautomation.spi.ServerConnectionFailed;

import java.io.IOException;

import static org.apache.http.HttpStatus.*;

public class RequestExecutor {

    public static final Logger LOGGER = LoggerFactory.getLogger(RequestExecutor.class);

    private static RequestExecutor INSTANCE = new RequestExecutor();

    private RequestExecutor() {
        super();
    }

    public static RequestExecutor getInstance() {
        return INSTANCE;
    }

    public String execute(CloseableHttpClient client, HttpUriRequest method) {
        try (CloseableHttpResponse resp = client.execute(method)) {
            checkResponseCode(resp.getStatusLine());

            ResponseHandler<String> handler = new BasicResponseHandler();

            return handler.handleResponse(resp);
        } catch (AccessDenied ex) {
            throw new AccessDenied(
                    "Test automation - jenkins : operation rejected the operation because of wrong credentials"); // NOSONAR no need for actual call stack
        } catch (IOException ex) {
            throw new ServerConnectionFailed(
                    "Test automation - jenkins : could not connect to server due to technical error : ", ex);
        }
    }

    private void checkResponseCode(StatusLine statusLine) {
        int sc = statusLine.getStatusCode();

        if (sc == SC_OK) {
            return;
        }

        switch (sc) {
        case SC_FORBIDDEN:
        case SC_UNAUTHORIZED:
        case SC_PROXY_AUTHENTICATION_REQUIRED:
            throw new AccessDenied();
        }
    }

}