/**
*
* Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
**/
package lucee.runtime.functions.system;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.zip.ZipInputStream;
import lucee.commons.io.IOUtil;
import lucee.commons.io.res.Resource;
import lucee.commons.io.res.util.ResourceUtil;
import lucee.commons.lang.ExceptionUtil;
import lucee.runtime.PageContext;
public class IsZipFile {
public static boolean call(PageContext pc, String path) {
try {
return invoke(ResourceUtil.toResourceExisting(pc, path));
}
catch(Throwable t) {
ExceptionUtil.rethrowIfNecessary(t);
return false;
}
}
public static boolean invoke(Resource res) {
InputStream is=null;
boolean hasEntries=false;
try {
//ZipEntry ze;
ZipInputStream zis = new ZipInputStream(is=res.getInputStream());
while ((zis.getNextEntry()) != null ) {
zis.closeEntry();
hasEntries=true;
}
} catch(Throwable t) {
ExceptionUtil.rethrowIfNecessary(t);
return false;
}
finally {
IOUtil.closeEL(is);
}
return hasEntries;
}
public static boolean invoke(File file) {
InputStream is=null;
boolean hasEntries=false;
try {
//ZipEntry ze;
ZipInputStream zis = new ZipInputStream(is=new FileInputStream(file));
while ((zis.getNextEntry()) != null ) {
zis.closeEntry();
hasEntries=true;
}
} catch(Throwable t) {
ExceptionUtil.rethrowIfNecessary(t);
return false;
}
finally {
IOUtil.closeEL(is);
}
return hasEntries;
}
}