/**
* Copyright 2004-2005 jManage.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jmanage.cmdui.commands;
import org.jmanage.cmdui.CommandHandler;
import org.jmanage.cmdui.HandlerContext;
import org.jmanage.cmdui.CommandConstants;
import org.jmanage.cmdui.util.Out;
import org.jmanage.cmdui.util.CommandUtils;
import org.jmanage.core.services.MBeanService;
import org.jmanage.core.services.ServiceFactory;
import org.jmanage.core.data.AttributeListData;
import org.jmanage.core.util.Expression;
import java.util.StringTokenizer;
/**
* Sets one more attributes. The attribute values are specified in the following
* manner:
* <p>
* attr1=value1 attr2=value2
* <p><p>
* This handler can't handle complex attribute values (e.g. with spaces). To set
* complex attribute values, "set" command shoule be used.
*
* Date: Mar 13, 2005
* @author Rakesh Kalra
*/
public class SetAttributesHandler implements CommandHandler {
/**
*
* @param context
* @return true if the command was handled properly; false otherwise
*/
public boolean execute(HandlerContext context) {
String[] args = context.getCommand().getArgs();
if(args.length == 0){
usage();
return false;
}
Expression expression = new Expression(args[0]);
/* set the values */
MBeanService service = ServiceFactory.getMBeanService();
String[][] attributes = getAttributes(args);
AttributeListData[] attrListData =
service.setAttributes(
context.getServiceContext(expression.getAppName(),
expression.getMBeanName()),
attributes);
Out.println();
Out.println("Changed Attributes:");
CommandUtils.printAttributeLists(attrListData);
return true;
}
/**
* Starting from second argument, attribute and values are specified as
* <p>
* attr1=value1 attr2=value2 ...
*
* @param args
* @return
*/
private String[][] getAttributes(String[] args) {
String[][] attributes = new String[args.length-1][2];
for(int i=0; i<args.length-1; i++){
StringTokenizer tokenizer = new StringTokenizer(args[i+1], "=");
assert tokenizer.countTokens() == 2;
attributes[i][0] = tokenizer.nextToken();
attributes[i][1] = tokenizer.nextToken();
}
return attributes;
}
public String getShortHelp() {
return "Sets one or more attribute values.";
}
public void help() {
Out.println(getShortHelp());
Out.println("Usage:");
Out.println(CommandConstants.SET_ATTRS +
" <application name>/<mbean name> attribute1=value1 [attribute2=value2] ...");
Out.println();
Out.println("Examples:");
Out.println(CommandConstants.SET_ATTRS +
" myApp/myMBean testAtt1=value1");
Out.println(CommandConstants.SET_ATTRS +
" myApp/jmanage:name=TestMBean testAttr1=value1 testAttr2=value2");
}
private void usage(){
Out.println("Invalid arguments");
help();
}
}