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Java example source code file (LaunchingConnector.java)

This example Java source code file (LaunchingConnector.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

connector, illegalconnectorargumentsexception, ioexception, jdi, launchingconnector, util, virtualmachine, vmstartexception

The LaunchingConnector.java Java example source code

/*
 * Copyright (c) 1998, 2013, 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
 */
@jdk.Exported
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.
     * 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: 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;
}

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