Java EnvHelp.checkAttributes方法代码示例

import com.sun.jmx.remote.util.EnvHelp; //导入方法依赖的package包/类
private RMIConnector(RMIServer rmiServer, JMXServiceURL address,
        Map<String, ?> environment) {
    if (rmiServer == null && address == null) throw new
            IllegalArgumentException("rmiServer and jmxServiceURL both null");

    initTransients();

    this.rmiServer = rmiServer;
    this.jmxServiceURL = address;
    if (environment == null) {
        this.env = Collections.emptyMap();
    } else {
        EnvHelp.checkAttributes(environment);
        this.env = Collections.unmodifiableMap(environment);
    }
}
 

import com.sun.jmx.remote.util.EnvHelp; //导入方法依赖的package包/类
private RMIConnector(RMIServer rmiServer, JMXServiceURL address,
        Map<String, ?> environment) {
    if (rmiServer == null && address == null) throw new
            IllegalArgumentException("rmiServer and jmxServiceURL both null");
    initTransients();

    this.rmiServer = rmiServer;
    this.jmxServiceURL = address;
    if (environment == null) {
        this.env = Collections.emptyMap();
    } else {
        EnvHelp.checkAttributes(environment);
        this.env = Collections.unmodifiableMap(environment);
    }
}
 

import com.sun.jmx.remote.util.EnvHelp; //导入方法依赖的package包/类
/**
 * <p>Returns a client stub for this connector server.  A client
 * stub is a serializable object whose {@link
 * JMXConnector#connect(Map) connect} method can be used to make
 * one new connection to this connector server.</p>
 *
 * @param env client connection parameters of the same sort that
 * could be provided to {@link JMXConnector#connect(Map)
 * JMXConnector.connect(Map)}.  Can be null, which is equivalent
 * to an empty map.
 *
 * @return a client stub that can be used to make a new connection
 * to this connector server.
 *
 * @exception UnsupportedOperationException if this connector
 * server does not support the generation of client stubs.
 *
 * @exception IllegalStateException if the JMXConnectorServer is
 * not started (see {@link #isActive()}).
 *
 * @exception IOException if a communications problem means that a
 * stub cannot be created.
 **/
public JMXConnector toJMXConnector(Map<String,?> env) throws IOException {
    // The serialized for of rmiServerImpl is automatically
    // a RMI server stub.
    if (!isActive()) throw new
        IllegalStateException("Connector is not active");

    // Merge maps
    Map<String, Object> usemap = new HashMap<String, Object>(
            (this.attributes==null)?Collections.<String, Object>emptyMap():
                this.attributes);

    if (env != null) {
        EnvHelp.checkAttributes(env);
        usemap.putAll(env);
    }

    usemap = EnvHelp.filterAttributes(usemap);

    final RMIServer stub=(RMIServer)rmiServerImpl.toStub();

    return new RMIConnector(stub, usemap);
}