Examples with OperationsException javax.management.OperationsException used on opensource projects

Example 6 with OperationsException

use of javax.management.OperationsException in project tomcat by apache.

the class JMXProxyServlet method invokeOperationInternal.

/**
 * Invokes an operation on an MBean.
 *
 * @param onameStr The name of the MBean.
 * @param operation The name of the operation to invoke.
 * @param parameters An array of Strings containing the parameters to the
 *            operation. They will be converted to the appropriate types to
 *            call the requested operation.
 * @return The value returned by the requested operation.
 */
// parameters can't be null if signature.length > 0
@SuppressWarnings("null")
private Object invokeOperationInternal(String onameStr, String operation, String[] parameters) throws OperationsException, MBeanException, ReflectionException {
    ObjectName oname = new ObjectName(onameStr);
    int paramCount = null == parameters ? 0 : parameters.length;
    MBeanOperationInfo methodInfo = registry.getMethodInfo(oname, operation, paramCount);
    if (null == methodInfo) {
        // getMethodInfo returns null for both "object not found" and "operation not found"
        MBeanInfo info = null;
        try {
            info = registry.getMBeanServer().getMBeanInfo(oname);
        } catch (InstanceNotFoundException infe) {
            throw infe;
        } catch (Exception e) {
            throw new IllegalArgumentException(sm.getString("jmxProxyServlet.noBeanFound", onameStr), e);
        }
        throw new IllegalArgumentException(sm.getString("jmxProxyServlet.noOperationOnBean", operation, Integer.valueOf(paramCount), onameStr, info.getClassName()));
    }
    MBeanParameterInfo[] signature = methodInfo.getSignature();
    String[] signatureTypes = new String[signature.length];
    Object[] values = new Object[signature.length];
    for (int i = 0; i < signature.length; i++) {
        MBeanParameterInfo pi = signature[i];
        signatureTypes[i] = pi.getType();
        values[i] = registry.convertValue(pi.getType(), parameters[i]);
    }
    return mBeanServer.invoke(oname, operation, values, signatureTypes);
}