com.dc.runbook.dt.support.BasicGitClient.java Source code

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Here is the source code for com.dc.runbook.dt.support.BasicGitClient.java

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/*
 *
 *  * Copyright (C) 2014 Divine Cloud Inc.
 *  *
 *  * 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 com.dc.runbook.dt.support;

import java.io.File;

import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.GitAPIException;

public class BasicGitClient {

    public static void clone(String from, String to) {
        try {
            Git.cloneRepository().setURI(from).setDirectory(new File(to)).call().close();
        } catch (GitAPIException e) {
            throw new GitClientException("Error occurred while cloning from : " + from + " to : " + to, e);
        }
    }

    public static void forceClone(String from, String to) {
        try {
            File file = new File(to);
            if (file.exists()) {
                boolean deleted = deleteFiles(file);
                if (!deleted) {
                    throw new GitClientException("Unable to delete folder : " + file.getAbsolutePath());
                }
            }

            Git.cloneRepository().setURI(from).setDirectory(new File(to)).call().close();
        } catch (GitAPIException e) {
            throw new GitClientException("Error occurred while cloning from : " + from + " to : " + to, e);
        }
    }

    private static boolean deleteFiles(File folder) {
        boolean deleted = true;
        File[] listOfFiles = folder.listFiles();
        if (listOfFiles != null) {
            for (File file : listOfFiles) {
                if (file.isFile()) {
                    deleted = file.delete();
                } else if (file.isDirectory()) {
                    deleted = deleteFiles(file);
                }
            }
        }
        return folder.delete() && deleted;
    }

}