svnutils.java

来自「web版的SVN客户端」· Java 代码 · 共 83 行

/*
 * Copyright (c) 2004, 2005 Polarion Software, All rights reserved.
 * Email: [e-mail]
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 (the "License"). You may not use
 * this file except in compliance with the License. Copy of the License is
 * located in the file LICENSE.txt in the project distribution. You may also
 * obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 *
 * POLARION SOFTWARE MAKES NO REPRESENTATIONS OR WARRANTIES
 * ABOUT THE SUITABILITY OF THE SOFTWARE, EITHER EXPRESSED OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. POLARION SOFTWARE
 * SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT
 * OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 */
package org.polarion.svnwebclient.data.javasvn;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import org.tmatesoft.svn.core.SVNCommitInfo;
import org.tmatesoft.svn.core.SVNErrorMessage;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.io.ISVNEditor;
import org.tmatesoft.svn.core.io.diff.SVNDiffWindow;
import org.tmatesoft.svn.core.io.diff.SVNDiffWindowBuilder;

/**
 * 
 * @author <A HREF="mailto:[e-mail]">Polarion Software </A>
 */
public class SVNUtils {
    
    public static SVNCommitInfo modifyFile(ISVNEditor editor, String dirPath, String filePath, InputStream is, long size) throws SVNException {
        try {
            editor.openRoot(-1);
            editor.openDir(dirPath, -1);
            editor.openFile(filePath, -1);
            editor.applyTextDelta(filePath, null);
            SVNDiffWindow diffWindow = SVNDiffWindowBuilder.createReplacementDiffWindow(size);
            OutputStream os = editor.textDeltaChunk(filePath, diffWindow);
            try {
                for (int i = 0; i < size; i++) {
                    os.write(is.read());
                }
            } catch (IOException ioe) {
                throw new SVNException(SVNErrorMessage.UNKNOWN_ERROR_MESSAGE, ioe);
            } finally {
                if (os != null) {
                    try {
                        os.close();
                    } catch (IOException ioeInternal) {
                    }
                }            
            }                
    
            editor.textDeltaEnd(filePath);
            editor.closeFile(filePath, null);
            /*
             * Closes the directory.
             */
            editor.closeDir();
            /*
             * Closes the root directory.
             */
            editor.closeDir();
            return editor.closeEdit();
        } catch (SVNException e) {
            if (editor != null) {
                try {
                    editor.abortEdit();
                } catch (Exception ex) {
                }
            }    
            throw e;
        }
    }
}