com.centurylink.mdw.plugin.MessageConsole.java Source code

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Here is the source code for com.centurylink.mdw.plugin.MessageConsole.java

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/*
 * Copyright (C) 2017 CenturyLink, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.centurylink.mdw.plugin;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.console.ConsolePlugin;
import org.eclipse.ui.console.IConsole;
import org.eclipse.ui.console.IConsoleConstants;
import org.eclipse.ui.console.IConsoleManager;
import org.eclipse.ui.console.IConsoleView;

public class MessageConsole extends org.eclipse.ui.console.MessageConsole {
    public static final String STATUS_RUNNING = "";
    public static final String STATUS_TERMINATED = " (Terminated)";

    private String coreName;

    public String getCoreName() {
        return coreName;
    }

    private Display display;

    public MessageConsole(String name, ImageDescriptor imageDescriptor, Display display) {
        super(name, imageDescriptor);
        this.coreName = name;
        this.display = display;
    }

    public void setStatus(final String status) {
        display.asyncExec(new Runnable() {
            public void run() {
                if (status.equals(STATUS_TERMINATED))
                    setName(coreName + STATUS_TERMINATED);
                else
                    setName(coreName);
            }
        });
    }

    public FileConsoleOutputStream newFileConsoleOutputStream(File outputFile) throws IOException {
        return new FileConsoleOutputStream(outputFile);
    }

    public class FileConsoleOutputStream extends OutputStream {
        OutputStream consoleStream;
        FileOutputStream fileStream;

        FileConsoleOutputStream(File outputFile) throws IOException {
            fileStream = new FileOutputStream(outputFile);
            consoleStream = newMessageStream();
        }

        public void write(byte[] b, int off, int len) throws IOException {
            fileStream.write(b, off, len);
            if (isShowPref())
                revealConsole();
            consoleStream.write(b, off, len);
        }

        public void write(byte[] b) throws IOException {
            fileStream.write(b);
            if (isShowPref())
                revealConsole();
            consoleStream.write(b);
        }

        public void write(int b) throws IOException {
            fileStream.write(b);
            if (isShowPref())
                revealConsole();
            consoleStream.write(b);
        }

        public void flush() throws IOException {
            fileStream.close();
            consoleStream.flush();
        }

        public void close() throws IOException {
            fileStream.close();
            consoleStream.close();
        }
    }

    @Override
    public MessageConsoleStream newMessageStream() {
        return new MessageConsoleStream(this);
    }

    public class MessageConsoleStream extends org.eclipse.ui.console.MessageConsoleStream {
        public MessageConsoleStream(org.eclipse.ui.console.MessageConsole console) {
            super(console);
        }

        @Override
        public void println() {
            if (isShowPref())
                revealConsole();
            super.println();
        }

        @Override
        public void println(String message) {
            if (isShowPref())
                revealConsole();
            super.println(message);
        }
    }

    private void revealConsole() {
        if (!display.isDisposed()) {
            display.asyncExec(new Runnable() {
                public void run() {
                    IWorkbenchWindow activeWindow = MdwPlugin.getActiveWorkbenchWindow();
                    if (activeWindow != null) {
                        IWorkbenchPage page = activeWindow.getActivePage();
                        try {
                            IConsoleView view = (IConsoleView) page.showView(IConsoleConstants.ID_CONSOLE_VIEW);
                            view.display(findConsole(getName(), getImageDescriptor(), display));
                        } catch (PartInitException ex) {
                            PluginMessages.log(ex);
                        }
                    }
                }
            });
        }
    }

    public static MessageConsole findConsole(String name, ImageDescriptor icon, Display display) {
        IConsoleManager conMan = ConsolePlugin.getDefault().getConsoleManager();
        IConsole[] existingConsoles = conMan.getConsoles();
        for (IConsole existingConsole : existingConsoles) {
            if (existingConsole.getName().startsWith(name))
                return (MessageConsole) existingConsole;
        }

        // no console found, so create a new one
        MessageConsole messageConsole = new MessageConsole(name, icon, display);
        conMan.addConsoles(new IConsole[] { messageConsole });
        return messageConsole;
    }

    public boolean isShowPref() {
        IPreferenceStore store = MdwPlugin.getDefault().getPreferenceStore();
        return store.getBoolean(MessageConsolePageParticipant.PREFS_KEY + "_" + coreName.replaceAll(" ", ""));
    }

    public void setDefaultShowPref(boolean defaultValue) {
        IPreferenceStore store = MdwPlugin.getDefault().getPreferenceStore();
        store.setDefault(MessageConsolePageParticipant.PREFS_KEY + "_" + coreName.replaceAll(" ", ""),
                defaultValue);
    }

    private ConsoleRunnableEntity runnableEntity;

    public void setRunnableEntity(ConsoleRunnableEntity runnableEntity) {
        this.runnableEntity = runnableEntity;
    }

    public boolean isShowTerminate() {
        return runnableEntity != null;
    }

    public void terminate() {
        if (runnableEntity != null) {
            runnableEntity.shutdown();
        }
    }

    public boolean isRunning() {
        if (runnableEntity == null)
            return false;
        else
            return runnableEntity.isRunning();
    }

    public interface ConsoleRunnableEntity {
        public void shutdown();

        public boolean isRunning();
    }
}