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package com.sun.enterprise.v3.admin.cluster;
import com.sun.enterprise.config.serverbeans.Node;
import org.glassfish.internal.api.ServerContext;
import com.sun.enterprise.util.io.InstanceDirs;
import java.io.File;
import java.io.IOException;
final class InstanceDirUtils{
Node node;
ServerContext serverContext;
InstanceDirUtils(Node node, ServerContext serverContext){
this.node = node;
this.serverContext = serverContext;
}
/**
* Returns the directory for the selected instance that is on the local
* system.
* @param instanceName name of the instance
* @return File for the local file system location of the instance directory
* @throws IOException
*/
File getLocalInstanceDir(String instance) throws IOException {
/*
* Pass the node directory parent and the node directory name explicitly
* or else InstanceDirs will not work as we want if there are multiple
* nodes registered on this node.
*
* If the configuration recorded an explicit directory for the node,
* then use it. Otherwise, use the default node directory of
* ${installDir}/glassfish/nodes/${nodeName}.
*/
String nodeDir = node.getNodeDirAbsolute();
final File nodeDirFile = (nodeDir != null ?
new File(nodeDir) :
defaultLocalNodeDirFile());
InstanceDirs instanceDirs = new InstanceDirs(nodeDirFile.toString(), node.getName(), instance);
return instanceDirs.getInstanceDir();
}
File defaultLocalNodeDirFile() {
/*
* The "nodes" directory we want to use is a child of
* the install directory.
*
* The installDir field contains the installation directory which the
* administrator specified, if s/he specified one, when the target node
* was first created. It is null if the administrator did not specify
* an installation directory for the node. In that case we should
* use the DAS's install directory (because this method applies in the
* local instance case).
*/
String installDir = node.getInstallDir();
final File nodeParentDir = (
installDir == null
? serverContext.getInstallRoot()
: new File(installDir, "glassfish"));
return new File(nodeParentDir, "nodes");
}
}