Java MBean getOperation(MBeanInfo info, String opName)

Description

Returns the first operation with the specified name.

License

LGPL

Declaration

public static MBeanOperationInfo getOperation(MBeanInfo info,
        String opName) 

Method Source Code

//package com.java2s;
//License from project: LGPL 

import javax.management.MBeanInfo;

import javax.management.MBeanOperationInfo;
import javax.management.MBeanParameterInfo;

public class Main {
    /**/*from   w  w  w  .  j ava2  s . c  o  m*/
     * Returns the first operation with the specified name.
     */
    public static MBeanOperationInfo getOperation(MBeanInfo info,
            String opName) {
        MBeanOperationInfo[] ops = info.getOperations();
        for (int i = 0; i < ops.length; i++) {
            if (ops[i].getName().equals(opName))
                return ops[i];
        }
        return null;
    }

    /**
     * Returns the first operation that takes the specified number of parameters.
     */
    public static MBeanOperationInfo getOperation(MBeanInfo info,
            String opName, int paramCount) {
        MBeanOperationInfo[] ops = info.getOperations();
        for (int i = 0; i < ops.length; i++) {
            if (ops[i].getName().equals(opName)
                    && ops[i].getSignature().length == paramCount)
                return ops[i];
        }
        return null;
    }

    /**
     * Returns the operation with the specified name and signature.
     * @param signature can be null.
     */
    public static MBeanOperationInfo getOperation(MBeanInfo info,
            String opName, String[] signature) {
        if (signature == null)
            signature = new String[0];

        MBeanOperationInfo[] ops = info.getOperations();
        for (int i = 0; i < ops.length; i++) {
            MBeanOperationInfo op = ops[i];
            if (op.getName().equals(opName)) {
                MBeanParameterInfo[] params = op.getSignature();
                if (params.length == signature.length) {
                    boolean found = true;
                    for (int j = 0; found && j < params.length; j++) {
                        if (!params[j].getType().equals(signature[j]))
                            found = false;
                    }
                    if (found)
                        return op;
                }
            }
        }
        return null;
    }

    /**
     * Returns the operation with the specified name, signature and return type.
     * @param signature can be null.
     */
    public static MBeanOperationInfo getOperation(MBeanInfo info,
            String opName, String[] signature, String returnType) {
        if (signature == null)
            signature = new String[0];

        MBeanOperationInfo[] ops = info.getOperations();
        for (int i = 0; i < ops.length; i++) {
            MBeanOperationInfo op = ops[i];
            if (op.getName().equals(opName)
                    && op.getReturnType().equals(returnType)) {
                MBeanParameterInfo[] params = op.getSignature();
                if (params.length == signature.length) {
                    boolean found = true;
                    for (int j = 0; found && j < params.length; j++) {
                        if (!params[j].getType().equals(signature[j]))
                            found = false;
                    }
                    if (found)
                        return op;
                }
            }
        }
        return null;
    }
}

Related

1. getMbeanServerConnection(final JMXConnector jmxConnector)
2. getMBeanServerConnectionForJMXClient()
3. getMBeanServerDelegateName()
4. getMBeanServerId(final MBeanServer aMBeanServer)
5. getMBeanServerObjectName()
6. getProxy(MBeanServerConnection connection, ObjectName objectName, final Class objectClass)
7. getServerId(MBeanServer server)
8. infoArrayEquals(MBeanParameterInfo[] a, MBeanParameterInfo[] a2)
9. infoEquals(MBeanInfo one, MBeanInfo two)