/* * Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.jdi.connect; import com.sun.jdi.VirtualMachine;import java.util.Map;import java.io.IOException; /** * A connector which can launch a target VM before connecting to it. * * @author Gordon Hirsch * @since  1.3 */public interface LaunchingConnector extends Connector {    /**     * Launches an application and connects to its VM. Properties     * of the launch (possibly including options,     * main class, and arguments) are specified in     * <code>arguments</code>.     * The argument map associates argument name strings to instances     * of {@link Connector.Argument}. The default argument map for a     * connector can be obtained through {@link Connector#defaultArguments}.     * Argument map values can be changed, but map entries should not be     * added or deleted.     * <p>A target VM launched by a launching connector is not     * guaranteed to be stable until after the {@link com.sun.jdi.event.VMStartEvent} has been     * received.     * <p>     * <b>Important note:</b> If a target VM is launched through this     * funcctions, its output and error streams must be read as it     * executes. These streams are available through the     * {@link java.lang.Process Process} object returned by     * {@link com.sun.jdi.VirtualMachine#process}. If the streams are not periodically     * read, the target VM will stop executing when the buffers for these     * streams are filled.     *     * @param arguments the argument map to be used in launching the VM.     * @return the {@link VirtualMachine} mirror of the target VM.     * @throws java.io.IOException when unable to launch.     * Specific exceptions are dependent on the Connector implementation     * in use.     * @throws IllegalConnectorArgumentsException when one of the     * connector arguments is invalid.     * @throws VMStartException when the VM was successfully launched, but     * terminated with an error before a connection could be established.     */    VirtualMachine launch(Map<String,? extends Connector.Argument> arguments)        throws IOException, IllegalConnectorArgumentsException,               VMStartException;}