com.codecrate.shard.ui.event.commandbus.EventDispatcherThreadActionCommandExecutor.java Source code

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Here is the source code for com.codecrate.shard.ui.event.commandbus.EventDispatcherThreadActionCommandExecutor.java

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/*
 * Copyright 2002-2004 the original author or authors.
 *
 * 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.codecrate.shard.ui.event.commandbus;

import java.util.Collections;
import java.util.Map;

import javax.swing.SwingUtilities;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.richclient.command.ParameterizableActionCommandExecutor;

public class EventDispatcherThreadActionCommandExecutor implements ParameterizableActionCommandExecutor {
    private static final Log LOG = LogFactory.getLog(EventDispatcherThreadActionCommandExecutor.class);

    private final ParameterizableActionCommandExecutor delegate;

    public EventDispatcherThreadActionCommandExecutor(ParameterizableActionCommandExecutor delegate) {
        this.delegate = delegate;
    }

    public void execute() {
        execute(Collections.EMPTY_MAP);
    }

    public void execute(Map params) {
        if (!SwingUtilities.isEventDispatchThread()) {
            LOG.debug("Redirecting execution of " + delegate + " to event dispatch thread");
            try {
                SwingUtilities.invokeAndWait(new Runnable() {
                    public void run() {
                        delegate.execute();
                    }
                });
            } catch (Exception e) {
                throw new RuntimeException("Error executing " + delegate + " on event dispatch thread");
            }
        } else {
            delegate.execute(params);
        }
    }
}