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 - 2011 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://repository.silverpeas.com/legal/licensing"
 *
 * 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 java.io.File;
import java.util.ArrayList;
import java.util.Collection;

import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.Term;

import com.stratelia.silverpeas.silvertrace.SilverTrace;
import com.stratelia.webactiv.util.FileRepositoryManager;
import com.stratelia.webactiv.util.exception.SilverpeasRuntimeException;

/**
 * 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) {
        new FileFolder(rootPath, path, false, "");
    }

    public boolean isWritable() {
        return writable;
    }

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

        String childPath = null;

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

            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();

                String[] children_name = f.list();

                IndexReader reader = null;
                boolean isIndexed = false;

                if (isAdmin) {
                    // ouverture de l'index
                    String indexPath = FileRepositoryManager.getAbsoluteIndexPath("", componentId);

                    if (IndexReader.indexExists(indexPath))
                        reader = IndexReader.open(indexPath);
                }

                for (int i = 0; children_name != null && i < children_name.length; i++) {
                    SilverTrace.debug("silverCrawler", "FileFolder.FileFolder()", "root.MSG_GEN_PARAM_VALUE",
                            "Name = " + children_name[i]);
                    fChild = new File(path + File.separator + children_name[i]);
                    isIndexed = false;
                    if (isAdmin) {
                        // rechercher si le rpertoire (ou le fichier) est index
                        String pathIndex = componentId + "|";
                        if (fChild.isDirectory())
                            pathIndex = pathIndex + "LinkedDir" + "|";
                        else
                            pathIndex = pathIndex + "LinkedFile" + "|";
                        pathIndex = pathIndex + fChild.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 (fChild.isDirectory()) {
                        folders.add(new FileDetail(fChild.getName(), fChild.getPath(), fChild.length(), true,
                                isIndexed));
                    } else {
                        childPath = fChild.getPath().substring(rootPath.length() + 1);
                        files.add(new FileDetail(fChild.getName(), childPath, fChild.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;
    }
}