com.silverpeas.silvercrawler.model.FileFolder.java Source code

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Here is the source code for com.silverpeas.silvercrawler.model.FileFolder.java

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/**
 * Copyright (C) 2000 - 2013 Silverpeas
 *
 * This program is free software: you can redistribute it and/or modify it under the terms of the
 * GNU Affero General Public License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * As a special exception to the terms and conditions of version 3.0 of the GPL, you may
 * redistribute this Program in connection with Free/Libre Open Source Software ("FLOSS")
 * applications as described in Silverpeas's FLOSS exception. You should have recieved a copy of the
 * text describing the FLOSS exception, and it is also available here:
 * "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
 *
 * This program 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
 * Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License along with this program.
 * If not, see <http://www.gnu.org/licenses/>.
 */
package com.silverpeas.silvercrawler.model;

import com.stratelia.silverpeas.silvertrace.SilverTrace;
import com.stratelia.webactiv.util.exception.SilverpeasRuntimeException;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.FilenameUtils;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.Term;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.FSDirectory;
import org.silverpeas.search.indexEngine.IndexFileManager;

import java.io.File;
import java.util.ArrayList;
import java.util.Collection;

/**
 * Class declaration
 * @author
 */
public class FileFolder extends Object implements java.io.Serializable {

    /**
     *
     */
    private static final long serialVersionUID = 7637795486882013995L;
    /**
     * A File collection representing files in folder
     */
    private ArrayList<FileDetail> files;
    /**
     * A File collection representing folders in folder
     */
    private ArrayList<FileDetail> folders;
    /**
     * folder name
     */
    private String name;
    /**
     * folder path
     */
    private String path;
    /**
     * is folder writable ?
     */
    private boolean writable;
    /**
     * is folder readable ?
     */
    private boolean readable;

    /**
     * Constructor declaration
     * @param path
     * @see
     */
    public FileFolder(String rootPath, String path) {
        this(rootPath, path, false, "");
    }

    public boolean isWritable() {
        return writable;
    }

    public FileFolder(String rootPath, String path, boolean isAdmin, String componentId) {
        this.path = path;
        files = new ArrayList<FileDetail>(0);
        folders = new ArrayList<FileDetail>(0);

        try {
            SilverTrace.debug("silverCrawler", "FileFolder.FileFolder()", "root.MSG_GEN_PARAM_VALUE",
                    "Starting constructor for FileFolder. Path = " + path);
            File f = new File(path);

            SilverTrace.debug("silverCrawler", "FileFolder.FileFolder()", "root.MSG_GEN_PARAM_VALUE",
                    "isExists " + f.exists() + " isFile=" + f.isFile());

            writable = f.canWrite();

            if (f.exists()) {
                this.name = f.getName();
                this.readable = f.canRead();
                File[] children = f.listFiles();

                IndexReader reader = null;
                boolean isIndexed = false;

                if (isAdmin) {
                    // ouverture de l'index
                    Directory indexPath = FSDirectory
                            .open(new File(IndexFileManager.getAbsoluteIndexPath("", componentId)));
                    if (IndexReader.indexExists(indexPath)) {
                        reader = IndexReader.open(indexPath);
                    }
                }
                if (children != null && children.length > 0) {
                    for (File childFile : children) {
                        SilverTrace.debug("silverCrawler", "FileFolder.FileFolder()", "root.MSG_GEN_PARAM_VALUE",
                                "Name = " + childFile.getName());
                        isIndexed = false;
                        if (isAdmin) {
                            // rechercher si le rpertoire (ou le fichier) est index
                            String pathIndex = componentId + "|";
                            if (childFile.isDirectory()) {
                                pathIndex = pathIndex + "LinkedDir" + "|";
                            } else {
                                pathIndex = pathIndex + "LinkedFile" + "|";
                            }
                            pathIndex = pathIndex + FilenameUtils.separatorsToUnix(childFile.getPath());
                            SilverTrace.debug("silverCrawler", "FileFolder.FileFolder()",
                                    "root.MSG_GEN_PARAM_VALUE", "pathIndex = " + pathIndex);

                            Term term = new Term("key", pathIndex);
                            if (reader != null && reader.docFreq(term) == 1) {
                                isIndexed = true;
                            }
                        }

                        if (childFile.isDirectory()) {
                            folders.add(new FileDetail(childFile.getName(), childFile.getPath(), null,
                                    childFile.length(), true, isIndexed));
                        } else {
                            String childPath = FileUtils.getFile(childFile.getPath().substring(rootPath.length()))
                                    .getPath();
                            files.add(new FileDetail(childFile.getName(), childPath, childFile.getPath(),
                                    childFile.length(), false, isIndexed));
                        }
                    }
                }
                // fermeture de l'index
                if (reader != null && isAdmin) {
                    reader.close();
                }

            }
        } catch (Exception e) {
            throw new SilverCrawlerRuntimeException("FileFolder.FileFolder()", SilverpeasRuntimeException.ERROR,
                    "silverCrawler.IMPOSSIBLE_DACCEDER_AU_REPERTOIRE", e);
        }
    }

    /**
     * Method declaration
     * @return
     * @see
     */
    public Collection<FileDetail> getFiles() {
        return files;
    }

    /**
     * Method declaration
     * @return
     * @see
     */
    public Collection<FileDetail> getFolders() {
        return folders;
    }

    /**
     * Method declaration
     * @return
     * @see
     */
    public String getName() {
        return name;
    }

    /**
     * Method declaration
     * @return
     * @see
     */
    public String getPath() {
        return path;
    }

    /**
     * @param readable the readable to set
     */
    public void setReadable(boolean readable) {
        this.readable = readable;
    }

    /**
     * @return the readable
     */
    public boolean isReadable() {
        return readable;
    }
}