/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. 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 com.sun.enterprise.ee.admin.lbadmin.writer;
import java.io.ByteArrayOutputStream;
import java.io.OutputStream;
import java.util.Date;
import java.io.IOException;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.serverbeans.LbConfig;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.ee.admin.lbadmin.reader.api.LoadbalancerReader;
import com.sun.enterprise.ee.admin.lbadmin.reader.impl.LoadbalancerReaderImpl;
import com.sun.enterprise.ee.admin.lbadmin.transform.LoadbalancerVisitor;
import com.sun.enterprise.ee.admin.lbadmin.beans.Loadbalancer;
import org.netbeans.modules.schema2beans.Schema2BeansException;
import com.sun.enterprise.util.i18n.StringManager;
/**
* Export support class
*
* @author Harsha R A
*/
public class LbConfigExporter {
/**
* exports the loadbalancer.xml from the config to the outputstream provided
* @param ctx ConfigContext
* @param lbConfigName name of lb-config
* @param out OutputStream into which the loadbalancer.xml is written
*/
public static LoadbalancerReader getLbReader(ConfigContext ctx,
String lbConfigName) throws ConfigException, Schema2BeansException{
// reads the load balancer related data
LbConfig lbConfig = ((Domain)ctx.getRootConfigBean()).getLbConfigs().
getLbConfigByName(lbConfigName);
return new LoadbalancerReaderImpl(ctx,lbConfig);
}
/**
* exports the loadbalancer.xml from the config to the outputstream provided
* @param ctx ConfigContext
* @param lbConfigName name of lb-config
* @param out OutputStream into which the loadbalancer.xml is written
*/
public static void exportXml(LoadbalancerReader lbRdr,OutputStream out)
throws IOException{
// tranform the data using visitor pattern
Loadbalancer _lb = new Loadbalancer();
LoadbalancerVisitor lbVstr = new LoadbalancerVisitor(_lb);
lbRdr.accept(lbVstr);
try {
String footer = _strMgr.getString("GeneratedFileFooter",
new Date().toString());
// write the header
_lb.graphManager().setDoctype(PUBLICID, SYSTEMID);
_lb.write(out);
out.write(footer.getBytes());
} finally {
if (out != null) {
out.close();
out = null;
}
}
}
/**
* returns the loadbalancer.xml as a string
*/
public static String getXML(ConfigContext ctx,String lbConfigName) throws IOException, ConfigException,
Schema2BeansException{
ByteArrayOutputStream out = new ByteArrayOutputStream();
// check if the lb exists
LoadbalancerReader lbr = LbConfigExporter.getLbReader(ctx,lbConfigName);
LbConfigExporter.exportXml(lbr, out);
return out.toString();
}
private static final StringManager _strMgr =
StringManager.getManager(LbConfigWriter.class);
private static final String PUBLICID =
"-//Sun Microsystems Inc.//DTD Sun Java System Application Server 9.1//EN";
private static final String SYSTEMID = "sun-loadbalancer_1_2.dtd";
}