/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2009 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) Ericsson AB, 2004-2008. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.jvnet.glassfish.comms.admin.clbadmin.reader.impl;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.serverbeans.ConvergedLbClusterRef;
import com.sun.enterprise.config.serverbeans.ConvergedLbConfig;
import com.sun.enterprise.config.serverbeans.ElementProperty;
import com.sun.enterprise.config.serverbeans.ServerRef;
import org.jvnet.glassfish.comms.admin.clbadmin.reader.api.ClusterReader;
import org.jvnet.glassfish.comms.admin.clbadmin.reader.api.LbReaderException;
import org.jvnet.glassfish.comms.admin.clbadmin.reader.api.LoadbalancerReader;
import org.jvnet.glassfish.comms.admin.clbadmin.reader.api.PropertyReader;
import org.jvnet.glassfish.comms.admin.clbadmin.transform.LoadbalancerVisitor;
import org.jvnet.glassfish.comms.admin.clbadmin.transform.Visitor;
import java.util.ArrayList;
import java.util.List;
/**
* Reader class to get information about load balancer configuration.
*
* @author Vijaya Gadhamsetty
*/
public class LoadbalancerReaderImpl implements LoadbalancerReader {
ConvergedLbConfig _clbConfig = null;
ConfigContext _ctx = null;
public LoadbalancerReaderImpl(ConfigContext ctx, ConvergedLbConfig clbConfig) {
if ((clbConfig == null) || (ctx == null)) {
throw new IllegalArgumentException("clbconfig null");
}
_ctx = ctx;
_clbConfig = clbConfig;
}
//--- READER IMPLEMENTATION -----
/**
* Returns properties of the load balancer.
*
* @return PropertyReader[] array of properties
*/
public PropertyReader[] getProperties() throws LbReaderException {
// all the attributes as properties
ElementProperty[] properties = _clbConfig.getElementProperty();
PropertyReader[] pRdrs = new PropertyReaderImpl[properties.length];
int i = 0;
// XXX add all the properties
for (ElementProperty prop : properties) {
pRdrs[i++] = new PropertyReaderImpl(_clbConfig, prop.getName());
}
return pRdrs;
}
/**
* Returns the cluster info that are load balanced by this LB.
*
* @return ClusterReader array of cluster readers
*/
public ClusterReader[] getClusters() throws LbReaderException {
List list = new ArrayList();
ConvergedLbClusterRef[] clsRefs = _clbConfig.getConvergedLbClusterRef();
ServerRef[] sRefs = _clbConfig.getServerRef();
if (((clsRefs == null) || (clsRefs.length == 0)) &&
((sRefs == null) || (sRefs.length == 0))) {
return null;
}
ClusterReader cRdr = null;
for (int i = 0; i < clsRefs.length; i++) {
cRdr = new ClusterReaderImpl(_ctx,
_clbConfig.getConvergedLbClusterRef(i));
list.add(cRdr);
}
for (int j = 0; j < sRefs.length; j++) {
cRdr = new StandAloneClusterReaderImpl(_ctx,
_clbConfig.getServerRef(j));
list.add(cRdr);
}
ClusterReader[] cRdrs = new ClusterReader[list.size()];
return (ClusterReader[]) list.toArray(cRdrs);
}
public String getHttpPolicy() throws LbReaderException {
return _clbConfig.getConvergedLbPolicy().getHttp();
}
public String getSipPolicy() throws LbReaderException {
return _clbConfig.getConvergedLbPolicy().getSip();
}
public String getDcrFile() throws LbReaderException {
return _clbConfig.getConvergedLbPolicy().getDcrFile();
}
public void accept(Visitor v) {
LoadbalancerVisitor lv = (LoadbalancerVisitor) v;
lv.visit(this);
}
}