org.nuxeo.jira.NuxeoServerInfoCollector.java Source code

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Here is the source code for org.nuxeo.jira.NuxeoServerInfoCollector.java

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/*
 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and contributors.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 *
 * This library 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.
 *
 * Contributors:
 *     Antoine Taillefer
 */
package org.nuxeo.jira;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

import org.apache.commons.codec.binary.Base64;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.methods.GetMethod;

/**
 * Allows to collect information from a Nuxeo server.
 * 
 * @author Antoine Taillefer (ataillefer@nuxeo.com)
 * @since 5.7
 */
public class NuxeoServerInfoCollector {

    public static File collectNuxeoServerInfoAsZip(String serverURL, String userName, String password)
            throws HttpException, IOException {

        HttpClient httpClient = new HttpClient();
        HttpMethod getMethod = null;
        try {
            getMethod = new GetMethod(serverURL + "/site/collectServerInfo/info.zip");
            executeGetMethod(httpClient, getMethod, userName, password);
            InputStream in = getMethod.getResponseBodyAsStream();

            File tmpFile = File.createTempFile("NXserverInfo-", ".zip");
            tmpFile.deleteOnExit();
            FileOutputStream out = new FileOutputStream(tmpFile);

            byte[] bytes = new byte[1024];
            try {
                int read;
                while ((read = in.read(bytes)) > 0) {
                    out.write(bytes, 0, read);
                }
            } finally {
                in.close();
                out.close();
            }
            return tmpFile;
        } finally {
            getMethod.releaseConnection();
        }
    }

    /**
     * Executes the specified HTTP method on the specified HTTP client with a
     * basic authentication header given the specified credentials.
     */
    protected static final int executeGetMethod(HttpClient httpClient, HttpMethod httpMethod, String userName,
            String password) throws HttpException, IOException {

        String authString = userName + ":" + password;
        String basicAuthHeader = "Basic " + new String(Base64.encodeBase64(authString.getBytes()));
        httpMethod.setRequestHeader("Authorization", basicAuthHeader);
        return httpClient.executeMethod(httpMethod);
    }
}