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improve plugin management

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This commit is contained in:
Sebastian Sdorra
2010-10-31 13:07:43 +01:00
parent eda1c353b9
commit 0a9ed23b28
18 changed files with 526 additions and 65 deletions
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91
scm-core/src/main/java/sonia/scm/plugin/SCMPlugin.java
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@@ -1,91 +0,0 @@
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package sonia.scm.plugin;
//~--- non-JDK imports --------------------------------------------------------
import sonia.scm.repository.RepositoryHandler;
//~--- JDK imports ------------------------------------------------------------
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.bind.annotation.XmlRootElement;
/**
*
* @author Sebastian Sdorra
*/
@XmlRootElement(name = "plugin-config")
@XmlAccessorType(XmlAccessType.FIELD)
public class SCMPlugin
{
/**
* Constructs ...
*
*/
public SCMPlugin()
{
handlers = new HashSet<Class<? extends RepositoryHandler>>();
}
//~--- methods --------------------------------------------------------------
/**
* Method description
*
*
* @param handlerClass
*
* @return
*/
public boolean addHandler(Class<? extends RepositoryHandler> handlerClass)
{
return handlers.add(handlerClass);
}
/**
* Method description
*
*
* @param handlerClass
*
* @return
*/
public boolean removeHandler(Class<? extends RepositoryHandler> handlerClass)
{
return handlers.remove(handlerClass);
}
//~--- get methods ----------------------------------------------------------
/**
* Method description
*
*
* @return
*/
public Collection<Class<? extends RepositoryHandler>> getHandlers()
{
return handlers;
}
//~--- fields ---------------------------------------------------------------
/** Field description */
@XmlElementWrapper(name = "repository-handlers")
@XmlElement(name = "handler")
private Set<Class<? extends RepositoryHandler>> handlers;
}

143
scm-core/src/main/java/sonia/scm/plugin/SCMPluginManager.java
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@@ -1,143 +0,0 @@
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package sonia.scm.plugin;
//~--- non-JDK imports --------------------------------------------------------
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sonia.scm.repository.RepositoryHandler;
import sonia.scm.util.Util;
//~--- JDK imports ------------------------------------------------------------
import java.io.IOException;
import java.net.URL;
import java.util.Collection;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Set;
import javax.xml.bind.JAXB;
/**
*
* @author Sebastian Sdorra
*/
public class SCMPluginManager
{
/** Field description */
public static final String PATH_PLUGINCONFIG = "META-INF/scm/plugin.xml";
/** Field description */
private static final Logger logger =
LoggerFactory.getLogger(SCMPluginManager.class);
//~--- constructors ---------------------------------------------------------
/**
* Constructs ...
*
*/
public SCMPluginManager()
{
repositoryHandlers = new HashSet<Class<? extends RepositoryHandler>>();
}
//~--- methods --------------------------------------------------------------
/**
* Method description
*
*
* @throws IOException
*/
public void load() throws IOException
{
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
if (classLoader == null)
{
classLoader = SCMPluginManager.class.getClassLoader();
}
load(classLoader);
}
/**
* Method description
*
*
* @param classLoader
*
* @throws IOException
*/
public void load(ClassLoader classLoader) throws IOException
{
Enumeration<URL> urlEnum = classLoader.getResources(PATH_PLUGINCONFIG);
if (urlEnum != null)
{
while (urlEnum.hasMoreElements())
{
URL url = urlEnum.nextElement();
loadPlugin(url);
}
}
}
//~--- get methods ----------------------------------------------------------
/**
* Method description
*
*
* @return
*/
public Set<Class<? extends RepositoryHandler>> getRepositoryHandlers()
{
return repositoryHandlers;
}
//~--- methods --------------------------------------------------------------
/**
* Method description
*
*
* @param url
*/
private void loadPlugin(URL url)
{
try
{
SCMPlugin plugin = JAXB.unmarshal(url, SCMPlugin.class);
Collection<Class<? extends RepositoryHandler>> handlers =
plugin.getHandlers();
if (Util.isNotEmpty(handlers))
{
repositoryHandlers.addAll(handlers);
}
}
catch (Exception ex)
{
logger.error(ex.getMessage(), ex);
}
}
//~--- fields ---------------------------------------------------------------
/** Field description */
private Set<Class<? extends RepositoryHandler>> repositoryHandlers;
}