org.silverpeas.components.silvercrawler.model.FileFolder.java Source code

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

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/*
 * Copyright (C) 2000 - 2018 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 received a copy of the text describing
 * the FLOSS exception, and it is also available here:
 * "https://www.silverpeas.org/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 org.silverpeas.components.silvercrawler.model;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.FilenameUtils;
import org.apache.lucene.index.DirectoryReader;
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.core.SilverpeasRuntimeException;
import org.silverpeas.core.index.indexing.IndexFileManager;
import org.silverpeas.core.util.file.FileUtil;
import org.silverpeas.core.util.logging.SilverLogger;

import java.io.File;
import java.io.IOException;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

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

    private static final long serialVersionUID = 7637795486882013995L;
    /**
     * A File collection representing files in folder
     */
    private List<FileDetail> files;
    /**
     * A File collection representing folders in folder
     */
    private List<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 rootPath
     * @param path
     */
    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<>(0);
        folders = new ArrayList<>(0);
        IndexReader reader = null;
        try {
            // Check security access : cannot browse inside rootPath
            FileUtil.validateFilename(path, rootPath);
            File f = new File(path);

            writable = f.canWrite();

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

                if (isAdmin) {
                    // ouverture de l'index
                    Directory indexPath = FSDirectory
                            .open(Paths.get(IndexFileManager.getAbsoluteIndexPath(componentId)));
                    if (DirectoryReader.indexExists(indexPath)) {
                        reader = DirectoryReader.open(indexPath);
                    }
                }
                if (children != null && children.length > 0) {
                    for (File childFile : children) {
                        isIndexed = false;
                        if (isAdmin) {
                            // rechercher si le rpertoire (ou le fichier) est index
                            StringBuilder pathIndex = new StringBuilder(componentId).append("|");
                            if (childFile.isDirectory()) {
                                pathIndex.append("LinkedDir").append("|");
                            } else {
                                pathIndex.append("LinkedFile").append("|");
                            }
                            pathIndex.append(FilenameUtils.separatorsToUnix(childFile.getPath()));
                            Term term = new Term("key", pathIndex.toString());
                            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));
                        }
                    }
                }
            }
        } catch (Exception e) {
            throw new SilverpeasRuntimeException(e);
        } finally {
            // fermeture de l'index
            if (reader != null && isAdmin) {
                try {
                    reader.close();
                } catch (IOException e) {
                    SilverLogger.getLogger(this).warn(e);
                }
            }
        }
    }

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

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

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

    /**
     * @return
     */
    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;
    }
}