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Glassfish example source code file (AutoDeployDirectoryScanner.java)

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

Java - Glassfish tags/keywords

autodeploydirectoryscanner, autodeployedfilesmanager, autodeployedfilesmanager, directoryscanner, exception, exception, file, file, hashset, io, localstringmanagerimpl, log, logger, logging, set, string, string, util

The Glassfish AutoDeployDirectoryScanner.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

/*
 * DirectoryScanner.java
 *
 *
 * Created on February 19, 2003, 10:17 AM
 */

package org.glassfish.deployment.autodeploy;

import com.sun.enterprise.util.LocalStringManagerImpl;
import java.io.File;
import java.util.Set;
import java.util.HashSet;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.LogDomains;
import org.glassfish.deployment.common.DeploymentUtils;

/**
 * Implementation of Directory scanner for autodeployment  </br>
 * Providing functionality for scanning the input source directory  </br>
 * and return the list of deployable components for autodeployment.</br>
 * Provide the list of deployable modules/application, depending upon the "type" entry </br>
 * passed to getAllDeployableEntity(File autodeployDir, String type).
 *
 *@author vikas
 */
public class AutoDeployDirectoryScanner implements DirectoryScanner{
    
    private static final Logger sLogger=LogDomains.getLogger(DeploymentUtils.class, LogDomains.DPL_LOGGER);
    private static final LocalStringManagerImpl localStrings = new LocalStringManagerImpl(AutoDeployDirectoryScanner.class);
    
    public AutoDeployDirectoryScanner() {
    }
    
     public void deployedEntity(File autodeployDir, File deployedEntity) {
         try {
         AutoDeployedFilesManager adfm = AutoDeployedFilesManager.loadStatus(autodeployDir);
         adfm.setDeployedFileInfo(deployedEntity);
         adfm.writeStatus();
         } catch (Exception e) {
             printException(e);
             // Do nothing
         }

     }
     
     public void undeployedEntity(File autodeployDir, File undeployedEntity) {
         try {
         AutoDeployedFilesManager adfm = AutoDeployedFilesManager.loadStatus(autodeployDir);
         adfm.deleteDeployedFileInfo(undeployedEntity);
         adfm.writeStatus();
         } catch (Exception e) {
             printException(e);
             // Do nothing 
         }
     }
     
    /**
     * return true if any new deployable entity is  present in autodeployDir
     * @param autodeployDir
     * @return
     */
    public boolean hasNewDeployableEntity(File autodeployDir) {
        boolean newFilesExist=false;
            try {
                AutoDeployedFilesManager adfm = AutoDeployedFilesManager.loadStatus(autodeployDir);
                if(adfm.getFilesForDeployment(getListOfFiles(autodeployDir)).length > 0) {
                    //atleast one new file is there
                     newFilesExist=true;
                }
            } catch (Exception e) {
                printException(e);
                return false;
            }
        
        return newFilesExist;        
        
    }
    // this should never be called from system dir autodeploy code...
    public File[] getAllFilesForUndeployment(File autodeployDir, boolean includeSubdir) {

        try {
            AutoDeployedFilesManager adfm = AutoDeployedFilesManager.loadStatus(autodeployDir);
            return adfm.getFilesForUndeployment(getListOfFiles(autodeployDir, includeSubdir));
            } catch (Exception e) {
                printException(e);
                return new File[0];
            }
    }    
         
    /**
     * Get the list of all deployable files
     * @param autodeployDir
     * @return  */
    public File[] getAllDeployableModules(File autodeployDir, boolean includeSubDir) {
        
        AutoDeployedFilesManager adfm = null;
        try {
        adfm = AutoDeployedFilesManager.loadStatus(autodeployDir);
        } catch (Exception e) {
            printException(e);
            return new File[0];
        }
        
        return adfm.getFilesForDeployment(getListOfFiles(autodeployDir, includeSubDir));
    }

    protected void printException(Exception e) {
        sLogger.log(Level.SEVERE, e.getMessage(), e);
    }
    
    protected File[] getListOfFiles(File dir) {
        return getListOfFiles(dir, false);
    }
  
    protected File[] getListOfFiles(File dir, boolean includeSubDir) {
        return getListOfFilesAsSet(dir, includeSubDir).toArray(new File[0]);
    }
            
            
    static Set<File> getListOfFilesAsSet(File dir, boolean includeSubDir) {
        Set<File> result = new HashSet();
        File[] dirFiles = dir.listFiles();
        for (File dirFile : dirFiles) {
            String name = dirFile.getName();
            String fileType = name.substring(name.lastIndexOf(".") + 1);
            if ( ! dirFile.isDirectory()) {
                if (fileType != null && !fileType.equals("") &&
                        ! typeIsMarkerType(fileType)) {
                    result.add(dirFile);
                    continue;
                }
            } else {
                if (! dirFile.getName().equals(AutoDeployer.STATUS_SUBDIR_PATH)) {
                    if (includeSubDir) {
                        result.addAll(getListOfFilesAsSet(dirFile, true));
                    } else {
                        result.add(dirFile);
                    }
                }
            }
        }
        return result;
    }    
    
    private static boolean typeIsMarkerType(String fileType) {
        for (String markerSuffix : AutoDeployConstants.MARKER_FILE_SUFFIXES) {
            if (fileType.endsWith(markerSuffix)) {
                return true;
            }
        }
        return false;
    }
}

Other Glassfish examples (source code examples)

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