Files
SCM-Manager/plugins/scm-hg-plugin/src/main/java/sonia/scm/installer/WindowsHgInstaller.java
2011-01-16 19:20:30 +01:00

329 lines
7.8 KiB
Java

/**
* Copyright (c) 2010, Sebastian Sdorra
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of SCM-Manager; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* http://bitbucket.org/sdorra/scm-manager
*
*/
package sonia.scm.installer;
//~--- non-JDK imports --------------------------------------------------------
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sonia.scm.repository.HgConfig;
import sonia.scm.util.IOUtil;
import sonia.scm.util.RegistryUtil;
import sonia.scm.util.Util;
//~--- JDK imports ------------------------------------------------------------
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
/**
*
* @author Sebastian Sdorra
*/
public class WindowsHgInstaller extends AbstractHgInstaller
{
/** Field description */
private static final String FILE_LIBRARY_ZIP = "library.zip";
/** Field description */
private static final String FILE_LIB_MERCURIAL =
"Lib\\site-packages\\mercurial";
/** Field description */
private static final String FILE_MERCURIAL_EXE = "hg.exe";
/** Field description */
private static final String FILE_MERCURIAL_SCRIPT = "hg.bat";
/** Field description */
private static final String FILE_SCRIPTS = "Scripts";
/** Field description */
private static final String FILE_TEMPLATES = "templates";
/** Field description */
private static final String[] REGISTRY_HG = new String[]
{
// TortoiseHg
"HKEY_CURRENT_USER\\Software\\TortoiseHg",
// Mercurial
"HKEY_CURRENT_USER\\Software\\Mercurial\\InstallDir"
};
/** Field description */
private static final String REGISTRY_PYTHON =
"HKEY_CLASSES_ROOT\\Python.File\\shell\\open\\command";
/** the logger for WindowsHgInstaller */
private static final Logger logger =
LoggerFactory.getLogger(WindowsHgInstaller.class);
//~--- constructors ---------------------------------------------------------
/**
* Constructs ...
*
*
* @param baseDirectory
*/
public WindowsHgInstaller(File baseDirectory)
{
super(baseDirectory);
}
//~--- methods --------------------------------------------------------------
/**
* Method description
*
*
* @param config
*
* @throws IOException
*/
@Override
public void install(HgConfig config) throws IOException
{
super.install(config);
String pythonBinary = getPythonBinary();
config.setPythonBinary(pythonBinary);
File hgScript = getMercurialScript(pythonBinary);
File hgDirectory = getMercurialDirectory();
if (hgScript != null)
{
config.setHgBinary(hgScript.getAbsolutePath());
}
else if (hgDirectory != null)
{
installHg(config, hgDirectory);
}
checkForOptimizedByteCode(config);
}
/**
* Method description
*
*
* @param config
*/
@Override
public void update(HgConfig config) {}
/**
* Method description
*
*
* @param config
*/
private void checkForOptimizedByteCode(HgConfig config)
{
boolean optimized = false;
String path = config.getPythonPath();
if (Util.isNotEmpty(path))
{
for (String part : path.split(";"))
{
if (checkForOptimizedByteCode(part))
{
optimized = true;
break;
}
}
}
config.setUseOptimizedBytecode(optimized);
}
/**
* Method description
*
*
* @param part
*
* @return
*/
private boolean checkForOptimizedByteCode(String part)
{
File libDir = new File(part);
String[] pyoFiles = libDir.list(new FilenameFilter()
{
@Override
public boolean accept(File file, String name)
{
return name.toLowerCase().endsWith(".pyo");
}
});
return Util.isNotEmpty(pyoFiles);
}
/**
* Method description
*
*
* @param config
* @param hgDirectory
*
* @throws IOException
*/
private void installHg(HgConfig config, File hgDirectory) throws IOException
{
if (logger.isInfoEnabled())
{
logger.info("installing mercurial {}", hgDirectory.getAbsolutePath());
}
File libDir = new File(baseDirectory, "lib\\hg");
IOUtil.mkdirs(libDir);
File libraryZip = new File(hgDirectory, FILE_LIBRARY_ZIP);
if (libraryZip.exists())
{
IOUtil.extract(libraryZip, libDir);
config.setPythonPath(libDir.getAbsolutePath());
}
File templateDirectory = new File(hgDirectory, FILE_TEMPLATES);
if (templateDirectory.exists())
{
IOUtil.copy(templateDirectory, new File(libDir, FILE_TEMPLATES));
}
config.setHgBinary(new File(hgDirectory,
FILE_MERCURIAL_EXE).getAbsolutePath());
}
//~--- get methods ----------------------------------------------------------
/**
* Method description
*
*
* @return
*/
private File getMercurialDirectory()
{
File directory = null;
for (String registryKey : REGISTRY_HG)
{
String path = RegistryUtil.getRegistryValue(registryKey);
if (path != null)
{
directory = new File(path);
if (!directory.exists())
{
directory = null;
}
else
{
break;
}
}
}
return directory;
}
/**
* Returns the location of the script to run Mercurial, if Mercurial is
* installed as a Python package from source. Only packages that include a
* templates directory will be recognized.
*
* @param pythonBinary
*
* @return
*/
private File getMercurialScript(String pythonBinary)
{
File hgScript = null;
if (pythonBinary != null)
{
File pythonBinaryFile = new File(pythonBinary);
if (pythonBinaryFile.exists())
{
File pythonDir = pythonBinaryFile.getParentFile();
File scriptsDir = new File(pythonDir, FILE_SCRIPTS);
File potentialHgScript = new File(scriptsDir, FILE_MERCURIAL_SCRIPT);
File mercurialPackageDir = new File(pythonDir, FILE_LIB_MERCURIAL);
File templatesDir = new File(mercurialPackageDir, FILE_TEMPLATES);
if (potentialHgScript.exists() && templatesDir.exists())
{
hgScript = potentialHgScript;
}
}
}
return hgScript;
}
/**
* Method description
*
*
* @return
*/
private String getPythonBinary()
{
String python = RegistryUtil.getRegistryValue(REGISTRY_PYTHON);
if (python == null)
{
python = IOUtil.search(new String[0], "python");
}
return python;
}
}