001/*
002 * (C) Copyright 2006-2007 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Nuxeo - initial API and implementation
016 *
017 * $Id: JOOoConvertPluginImpl.java 18651 2007-05-13 20:28:53Z sfermigier $
018 */
019
020package org.nuxeo.ecm.platform.filemanager.utils;
021
022import java.io.File;
023import java.io.FileInputStream;
024import java.io.IOException;
025import java.io.InputStream;
026import java.net.MalformedURLException;
027import java.net.URL;
028import java.text.Normalizer;
029
030import org.apache.commons.io.IOUtils;
031import org.nuxeo.common.utils.IdUtils;
032import org.nuxeo.ecm.core.api.CoreSession;
033import org.nuxeo.ecm.core.api.DocumentModel;
034import org.nuxeo.ecm.core.api.DocumentModelList;
035import org.nuxeo.ecm.core.api.LifeCycleConstants;
036import org.nuxeo.ecm.core.api.PathRef;
037
038public final class FileManagerUtils {
039
040    // This is an utility class
041    private FileManagerUtils() {
042    }
043
044    /**
045     * Returns the contents of the file in a byte array.
046     *
047     * @deprecated since 7.2, use {@link IOUtils#toByteArray} instead
048     */
049    @Deprecated
050    public static byte[] getBytesFromFile(File file) throws IOException {
051        try (InputStream in = new FileInputStream(file)) {
052            return IOUtils.toByteArray(in);
053        }
054    }
055
056    /**
057     * Returns the fileName of a file.
058     */
059    public static String fetchFileName(File file) throws MalformedURLException {
060        // Fetching filename
061        URL pathUrl = file.toURI().toURL();
062        String[] pathArray = pathUrl.getFile().split("/");
063        return pathArray[pathArray.length - 1];
064    }
065
066    /**
067     * Returns the fileName of an uploaded file.
068     *
069     * @param fullName the full name that we need to parse
070     * @return the FileName String
071     */
072    // FIXME: badly named method
073    // FIXME: doesn't work in some corner cases, for instance a Unix filename
074    // with a \, or a DOS file with a /
075    public static String fetchFileName(String fullName) {
076        // Fetching filename
077        String ret = fullName;
078        int lastWinSeparator = fullName.lastIndexOf('\\');
079        int lastUnixSeparator = fullName.lastIndexOf('/');
080        int lastSeparator = Math.max(lastWinSeparator, lastUnixSeparator);
081        if (lastSeparator != -1) {
082            ret = fullName.substring(lastSeparator + 1, fullName.length());
083        }
084        return ret;
085    }
086
087    /**
088     * Returns the title.
089     *
090     * @param filename the file name
091     * @return the title
092     */
093    public static String fetchTitle(String filename) {
094        String title = filename.trim();
095        if (title.length() == 0) {
096            title = IdUtils.generateStringId();
097        }
098        return title;
099    }
100
101    /**
102     * Looks if an existing Document with the same filename exists.
103     */
104    public static DocumentModel getExistingDocByFileName(CoreSession documentManager, String path, String filename)
105            {
106        // We must use the "file:content/name" sub-property which is the only
107        // one on which we can rely (and not "file:filename" which can possibly
108        // not be set), see https://jira.nuxeo.com/browse/NXP-10565
109        // Note that the "file:content" property is handled in a particular way
110        // by NXQL, so we must use "content/name" instead of
111        // "file:content/name".
112        return getExistingDocByPropertyName(documentManager, path, filename, "content/name");
113    }
114
115    /**
116     * Looks if an existing Document with the same title exists.
117     */
118    public static DocumentModel getExistingDocByTitle(CoreSession documentManager, String path, String title)
119            {
120        return getExistingDocByPropertyName(documentManager, path, title, "dc:title");
121    }
122
123    /**
124     * Looks if an existing Document has the same value for a given property.
125     */
126    public static DocumentModel getExistingDocByPropertyName(CoreSession documentManager, String path, String value,
127            String propertyName) {
128        value = Normalizer.normalize(value, Normalizer.Form.NFC);
129        DocumentModel existing = null;
130        String parentId = documentManager.getDocument(new PathRef(path)).getId();
131        String query = "SELECT * FROM Document WHERE ecm:parentId = '" + parentId + "' AND " + propertyName + " = '"
132                + value.replace("'", "\\\'") + "' AND ecm:currentLifeCycleState != '"
133                + LifeCycleConstants.DELETED_STATE + "'";
134        DocumentModelList docs = documentManager.query(query, 1);
135        if (docs.size() > 0) {
136            existing = docs.get(0);
137        }
138        return existing;
139    }
140
141}