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/*
* @(#)ConsoleBrokerAdminManager.java 1.4 06/27/07
*/
package com.sun.messaging.jmq.admin.apps.console;
import java.util.Enumeration;
import java.util.Vector;
import com.sun.messaging.jmq.admin.util.UserPropertiesException;
import com.sun.messaging.jmq.admin.bkrutil.BrokerAdmin;
import com.sun.messaging.jmq.admin.bkrutil.BrokerAdminException;
public class ConsoleBrokerAdminManager {
private String fileName = "brokerlist.properties";
/**
* The collection of BrokerAdmin objects.
*/
private Vector admins = new Vector();
public ConsoleBrokerAdminManager() {
}
/**
* Adds an instance of BrokerAdmin to the list.
* This will simply overwrite the existing one if there is any.
* Should make sure dups are not added by calling exist() before doing
* this.
*/
public void addBrokerAdmin(BrokerAdmin ba) {
admins.addElement(ba);
}
/**
*
*/
public void deleteBrokerAdmin(BrokerAdmin ba) {
String baKey = ba.getKey();
for (int i = 0; i < admins.size(); i++) {
BrokerAdmin ba2 = (BrokerAdmin)admins.get(i);
String ba2Key = ba2.getKey();
if (baKey.equals(ba2Key)) {
admins.remove(i);
return;
}
}
}
/**
* Reads the files and populates the manager with
* BrokerAdmin objects.
*
*/
public void readBrokerAdminsFromFile() throws UserPropertiesException,
BrokerAdminException {
BrokerListProperties blProps = readFromFile();
int count = blProps.getBrokerCount();
for (int i = 0; i < count; ++i) {
BrokerAdmin ba = blProps.getBrokerAdmin(i);
addBrokerAdmin(ba);
}
}
/**
* Writes broker list to files.
*/
public void writeBrokerAdminsToFile() throws UserPropertiesException {
BrokerListProperties blProps = new BrokerListProperties();
for (int i = 0; i < admins.size(); i++) {
BrokerAdmin ba = (BrokerAdmin)admins.get(i);
blProps.addBrokerAdmin(ba);
}
writeToFile(blProps);
}
/**
* Returns the list of admin instances.
*/
public Vector getBrokerAdmins() {
return admins;
}
/**
* Returns true if the key of BrokerAdmin exists in the list.
* Returns false otherwise.
*/
public boolean exist(String key) {
for (int i = 0; i < admins.size(); i++) {
BrokerAdmin ba = (BrokerAdmin)admins.get(i);
String baKey = ba.getKey();
if (key.equals(baKey)) {
return true;
}
}
return false;
}
/**
* Sets the name of the file where the objstore list is saved
* when writeObjStoresToFile() is called. This is also the file
* that is read from when readObjStoresFromFile() is called.
*
* @param fileName The fileName where the object stores
* are read from and written to.
*/
public void setFileName(String fileName) {
this.fileName = fileName;
}
/**
* Reads the files containing the list of Brokers.
*
* @return Properties object containing list of Brokers
*
*/
private BrokerListProperties readFromFile() throws UserPropertiesException {
BrokerListProperties blProps = new BrokerListProperties();
blProps.setFileName(fileName);
blProps.load();
return (blProps);
}
/**
* Writes ObjStoreAttrs to files.
*
*/
private void writeToFile(BrokerListProperties blProps)
throws UserPropertiesException {
blProps.setFileName(fileName);
blProps.save();
}
}