/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/
//
//
// FileUtils
// EV 19.12.2000
// MAP 24.01.2002 Files are stored into UTF-8 format.
//
package org.jahia.utils;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.collections.FastHashMap;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.StringUtils;
import org.springframework.core.io.Resource;
import org.springframework.util.ResourceUtils;
import org.artofsolving.jodconverter.document.DefaultDocumentFormatRegistry;
import org.artofsolving.jodconverter.document.DocumentFamily;
import org.artofsolving.jodconverter.document.DocumentFormat;
import org.artofsolving.jodconverter.document.DocumentFormatRegistry;
import org.jahia.services.SpringContextSingleton;
public final class FileUtils {
private static Map<String, String> fileExtensionIcons;
private static String[] fileExtensionIconsMapping;
private static DocumentFormatRegistry formatRegistry = new DefaultDocumentFormatRegistry();
/**
* Returns the content of the specified {@link Resource} as a string.
*
* @param resource
* the resource to be read
* @return the content of the specified {@link Resource} as a string
* @throws IOException
* in case of an I/O error
*/
public static String getContent(Resource resource) throws IOException {
String content = null;
InputStream is = null;
try {
is = resource.getInputStream();
content = IOUtils.toString(is);
} finally {
IOUtils.closeQuietly(is);
}
return content;
}
public static String getExtension(String fileName) {
return FilenameUtils.getExtension(fileName);
}
public static String getExtensionFromMimeType(String mimeType) {
DocumentFormat df = formatRegistry.getFormatByMediaType(mimeType);
if (df == null) {
return null;
}
return df.getExtension();
}
@SuppressWarnings("unchecked")
private static Map<String, String> getFileExtensionIcons() {
if (fileExtensionIcons == null) {
synchronized (FileUtils.class) {
if (fileExtensionIcons == null) {
SpringContextSingleton ctxHolder = SpringContextSingleton
.getInstance();
if (ctxHolder.isInitialized()) {
Map<String, String> icons = (Map<String, String>) ctxHolder
.getContext().getBean("fileExtensionIcons");
FastHashMap mappings = new FastHashMap(icons);
mappings.setFast(true);
String[] jsMappings = new String[2];
jsMappings[0] = new StringBuilder(512).append("\"")
.append(
StringUtils.join(mappings.keySet()
.iterator(), "\", \"")).append(
"\"").toString();
jsMappings[1] = new StringBuilder(512).append("\"")
.append(
StringUtils.join(mappings.values()
.iterator(), "\", \"")).append(
"\"").toString();
fileExtensionIconsMapping = jsMappings;
fileExtensionIcons = mappings;
}
}
}
}
return fileExtensionIcons;
}
public static String[] getFileExtensionIconsMapping() {
if (null == fileExtensionIconsMapping) {
// initialize it
getFileExtensionIcons();
}
return fileExtensionIconsMapping;
}
public static String getFileIcon(String fileName) {
String ext = "unknown";
if (StringUtils.isNotEmpty(fileName)) {
int index = FilenameUtils.indexOfExtension(fileName);
if (index != -1) {
ext = fileName.substring(index + 1);
} else {
ext = fileName;
}
ext = ext.toLowerCase();
}
Map<String, String> mappings = getFileExtensionIcons();
if (mappings == null) {
return "file";
}
String icon = mappings.get(ext);
return icon != null ? icon : mappings.get("unknown");
}
public static String getFileIconFromMimetype(String mimeType) {
DocumentFormat df = formatRegistry.getFormatByMediaType(mimeType);
if (df == null) {
return null;
}
Map<String, String> mappings = getFileExtensionIcons();
if (mappings == null) {
return "file";
}
String icon = mappings.get(df.getExtension());
return icon != null ? icon : mappings.get("unknown");
}
/**
* Returns the last modified date of the specified resource.
*
* @param resource
* resource to check the last modified date on
* @return the last modified date of the specified resource
* @throws IOException
* in case of an I/O error
*/
public static long getLastModified(Resource resource) throws IOException {
URL resourceUrl = resource.getURL();
return ResourceUtils.isJarURL(resourceUrl) ? ResourceUtils.getFile(
ResourceUtils.extractJarFileURL(resourceUrl)).lastModified() : resource.getFile()
.lastModified();
}
public static List<DocumentFormat> getPossibleFormats() {
Set<DocumentFormat> map = new LinkedHashSet<DocumentFormat>();
Set<DocumentFormat> formatSet = formatRegistry.getOutputFormats(DocumentFamily.TEXT);
map.addAll(formatSet);
formatSet = formatRegistry.getOutputFormats(DocumentFamily.SPREADSHEET);
map.addAll(formatSet);
formatSet = formatRegistry.getOutputFormats(DocumentFamily.PRESENTATION);
map.addAll(formatSet);
formatSet = formatRegistry.getOutputFormats(DocumentFamily.DRAWING);
map.addAll(formatSet);
List<DocumentFormat> list = new ArrayList<DocumentFormat>(map);
Collections.sort(list, new Comparator<DocumentFormat>() {
public int compare(DocumentFormat o1, DocumentFormat o2) {
return o1.getExtension().compareTo(o2.getExtension());
}
});
return list;
}
private FileUtils () {
super();
}
}