/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.request;
import java.io.IOException;
import java.util.Collection;
import java.util.Enumeration;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.richfaces.exception.FileUploadException;
import org.richfaces.log.Logger;
import org.richfaces.log.RichfacesLogger;
import org.richfaces.model.UploadedFile;
import com.google.common.base.Function;
import com.google.common.collect.Iterables;
import com.google.common.collect.Iterators;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimap;
import com.google.common.collect.Sets;
public class MultipartRequest25 extends BaseMultipartRequest {
private static final Logger LOGGER = RichfacesLogger.APPLICATION.getLogger();
private static final Function<Collection<String>, Object> MULTIMAP_VALUE_TRANSFORMER = new Function<Collection<String>, Object>() {
public Object apply(Collection<String> input) {
if (input.isEmpty()) {
return null;
}
if (input.size() == 1) {
return Iterables.get(input, 0);
}
return input.toArray(new String[input.size()]);
}
};
private MultipartRequestParser requestParser;
private ResponseState responseState;
private Iterable<UploadedFile> uploadedFiles;
private Multimap<String, String> params;
public MultipartRequest25(HttpServletRequest request, String uploadId, MultipartRequestParser requestParser) {
super(request, uploadId);
this.requestParser = requestParser;
}
private void parseIfNecessary() {
if (responseState != null) {
return;
}
try {
requestParser.parse();
uploadedFiles = requestParser.getUploadedFiles();
params = requestParser.getParameters();
responseState = ResponseState.ok;
} catch (FileUploadException e) {
LOGGER.error(e.getMessage(), e);
responseState = ResponseState.serverError;
}
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
public Enumeration getParameterNames() {
Collection<Object> result = Sets.newHashSet();
Enumeration names = super.getParameterNames();
while (names.hasMoreElements()) {
String name = (String) names.nextElement();
result.add(name);
}
parseIfNecessary();
result.addAll(params.keySet());
return Iterators.asEnumeration(result.iterator());
}
@Override
public String getParameter(String name) {
String parameter = super.getParameter(name);
if (parameter != null) {
return parameter;
}
parseIfNecessary();
Collection<String> values = params.get(name);
if (values.isEmpty()) {
return null;
}
return Iterables.get(values, 0);
}
@Override
public String[] getParameterValues(String name) {
String[] parameterValues = super.getParameterValues(name);
if (parameterValues != null) {
return parameterValues;
}
parseIfNecessary();
Collection<String> values = params.get(name);
if (values.isEmpty()) {
return null;
}
return values.toArray(new String[values.size()]);
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public Map getParameterMap() {
Map parameterMap = Maps.newHashMap(super.getParameterMap());
parseIfNecessary();
parameterMap.putAll(Maps.transformValues(params.asMap(), MULTIMAP_VALUE_TRANSFORMER));
return parameterMap;
}
public Iterable<UploadedFile> getUploadedFiles() {
parseIfNecessary();
return uploadedFiles;
}
public void release() {
super.release();
if (uploadedFiles != null) {
for (UploadedFile uploadedFile : uploadedFiles) {
try {
uploadedFile.delete();
} catch (IOException e) {
LOGGER.error(e.getMessage(), e);
}
}
}
}
public ResponseState getResponseState() {
parseIfNecessary();
return responseState;
}
}