/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.sling.ftpserver.impl;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.ftpserver.util.IoUtils;
import org.apache.sling.api.resource.ModifiableValueMap;
import org.apache.sling.api.resource.Resource;
public class SlingFtpOutputStream extends FilterOutputStream {
private final Resource content;
private final File tmpFile;
public SlingFtpOutputStream(final Resource content) throws IOException {
this(content, false);
}
public SlingFtpOutputStream(final Resource content, final boolean append) throws IOException {
super(null);
this.content = content;
this.tmpFile = File.createTempFile("slingftp", ".uploadtmp");
this.out = new FileOutputStream(this.tmpFile);
if (append) {
final InputStream source = content.adaptTo(InputStream.class);
if (source != null) {
try {
IoUtils.copy(source, this.out, 64 * 1024);
source.close();
} finally {
source.close();
}
} else {
throw new IOException("Failed preparing existing file data");
}
}
}
@Override
public void close() throws IOException {
InputStream ins = null;
try {
super.close();
ModifiableValueMap map = this.content.adaptTo(ModifiableValueMap.class);
if (map != null) {
ins = new FileInputStream(tmpFile);
map.put("jcr:lastModified", System.currentTimeMillis());
map.put("jcr:data", ins);
this.content.getResourceResolver().commit();
}
} finally {
if (ins != null) {
try {
ins.close();
} catch (IOException ignore) {
}
}
this.tmpFile.delete();
}
}
}