CodeServerRecompileListener.java

/*
 * Copyright 2014 cruxframework.org.
 * 
 * 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 org.cruxframework.crux.tools.codeserver;

import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.cruxframework.crux.core.client.Legacy;
import org.cruxframework.crux.core.utils.FileUtils;

import com.google.gwt.dev.codeserver.CompileDir;
import com.google.gwt.dev.codeserver.JobChangeListener;
import com.google.gwt.dev.codeserver.JobEvent;

/**
 * 
 * @author Thiago da Rosa de Bustamante
 * @author Samuel Almeida Cardoso
 *
 */
@Deprecated
@Legacy
public class CodeServerRecompileListener implements JobChangeListener 
{
	private static final Log logger = LogFactory.getLog(CodeServerRecompileListener.class);

	private Map<String, CompileDir> compileDir = new HashMap<String, CompileDir>();
	private File webDir;
	private CompilationCallback compilationCallback;

	public CodeServerRecompileListener(String webDir) 
	{
		if (webDir != null && webDir.length() > 0)
		{
			this.webDir = new File(webDir);
		}
	}
	
	public void setCompilationCallback(CompilationCallback compilationCallback)
	{
		this.compilationCallback = compilationCallback;
	}
	
	private void updateWebDir(String moduleName) 
	{
		if (webDir != null)
		{
			CompileDir dir = compileDir.get(moduleName);
			try 
			{
				FileUtils.copyFilesFromDir(dir.getWarDir(), webDir, "**/index.html,index.html", null);
			} 
			catch (IOException e) 
			{
				logger.error("Error updating webDir", e);
			}
		}
	}
	
	public static interface CompilationCallback
	{
		void onCompilationStart(String moduleName);
		void onCompilationEnd(String moduleName, boolean success);
	}

	@Override
    public void onJobChange(JobEvent event)
    {
		String moduleName = event.getInputModuleName();
		switch (event.getStatus())
        {
		case COMPILING:
			this.compileDir.put(moduleName, event.getCompileDir());
			if (compilationCallback != null)
			{
				compilationCallback.onCompilationStart(moduleName);
			}
			break;
		case ERROR:
			if (compilationCallback != null)
			{
				compilationCallback.onCompilationEnd(moduleName, false);
			}		
			break;
		case GONE:
			break;
		case SERVING:
			updateWebDir(moduleName);
			if (compilationCallback != null)
			{
				compilationCallback.onCompilationEnd(moduleName, true);
			}
			break;
		case WAITING:
			break;

		default:
			break;
		}
    }
}