org.nuiton.scmwebeditor.svn.SvnProvider Maven / Gradle / Ivy

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Adds the support of SVN repositories to ScmWebEditor.
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/*
 * #%L
 * ScmWebEditor
 * %%
 * Copyright (C) 2009 - 2015 CodeLutin
 * %%
 * 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 General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

package org.nuiton.scmwebeditor.svn;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuiton.scmwebeditor.api.*;
import org.nuiton.scmwebeditor.api.dto.CreateBranchDto;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.internal.io.dav.DAVRepositoryFactory;
import org.tmatesoft.svn.core.internal.io.svn.SVNRepositoryFactoryImpl;

import javax.naming.AuthenticationException;
import java.util.List;

/**
 * Implementation of the SVN's specific features
 */
public class SvnProvider implements ScmProvider {

    private static final Log log = LogFactory.getLog(SvnProvider.class);


    /**
     * Initialization of the SVN features
     */
    public SvnProvider() {

        SVNRepositoryFactoryImpl.setup();
        DAVRepositoryFactory.setup();
    }

    @Override
    public boolean supportsBranches() {
        return false;
    }

    @Override
    public List listBranches(String address, String username, String password) throws OperationNotSupportedException {
        throw new OperationNotSupportedException("The 'list branches' operation is not available for SVN repositories");
    }

    @Override
    public String createBranch(CreateBranchDto dto) throws OperationNotSupportedException,
            AuthenticationException, RepositoryNotFoundException {
        throw new OperationNotSupportedException("The 'create a branch' operation is not available for SVN repositories");
    }

    @Override
    public String changeBranch(String branchName, String pathToLocalRepos, String username, String password)
            throws OperationNotSupportedException {
        throw new OperationNotSupportedException("The 'change branch' operation is not available for SVN repositories");
    }

    @Override
    public boolean supportsPush() {
        return false;
    }

    @Override
    public boolean filesDirectlyAccessible() {
        return true;
    }

    @Override
    public ScmConnection getConnection(String address, String pathToLocalRepos) {

        SvnConnection svnConn = null;

        try {
            svnConn = new SvnConnection(address, pathToLocalRepos);
        } catch (SVNException e) {
            if (log.isErrorEnabled()) {
                log.error("Can not connect to SVN repository at " + address, e);
            }
        }

        return svnConn;
    }

    @Override
    public ScmFileManager getFileManager(ScmConnection connection) {

        SvnFileManager fileManager = null;

        if (connection instanceof SvnConnection) {
            try {
                fileManager = new SvnFileManager((SvnConnection) connection);
            } catch (SVNException e) {
                if (log.isErrorEnabled()) {
                    log.error("Can not connect to SVN repository", e);
                }
            }
        } else {
            throw new SweInternalException("Can not get SVN file manager for a non-SVN connection");
        }

        return fileManager;
    }

    @Override
    public boolean addressSeemsCompatible(String address) {

        if (address.startsWith("svn://") || address.contains("svn.") || address.contains("subversion.")) {
            return true;
        } else {
            return false;
        }
    }

    @Override
    public String getDefaultBranchName() throws OperationNotSupportedException {
        throw new OperationNotSupportedException("The 'get default branch name' operation is not available for " +
                "SVN repositories");
    }
}