/*
* 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.syncope.client.console.resources;
import java.io.File;
import java.io.InputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import org.apache.wicket.request.resource.AbstractResource;
import org.apache.wicket.util.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Mounts directory on local filesystem as subcontext.
*/
public class FilesystemResource extends AbstractResource {
private static final long serialVersionUID = -4791087117785935198L;
private static final Logger LOG = LoggerFactory.getLogger(FilesystemResource.class);
private final String baseCtx;
private final String basePath;
public FilesystemResource(final String baseCtx, final String basePath) {
this.baseCtx = baseCtx;
this.basePath = basePath;
}
@Override
protected ResourceResponse newResourceResponse(final Attributes attributes) {
ResourceResponse response = new ResourceResponse();
final File baseDir = new File(basePath);
if (baseDir.exists() && baseDir.canRead() && baseDir.isDirectory()) {
String reqPath = attributes.getRequest().getUrl().getPath();
final String subPath = reqPath.substring(reqPath.indexOf(baseCtx) + baseCtx.length()).
replace('/', File.separatorChar);
LOG.debug("Request for {}", subPath);
response.setTextEncoding(StandardCharsets.UTF_8.name());
response.setWriteCallback(new WriteCallback() {
@Override
public void writeData(final Attributes attributes) throws IOException {
InputStream resourceIS = null;
try {
resourceIS = Files.newInputStream(new File(baseDir, subPath).toPath());
IOUtils.copy(resourceIS, attributes.getResponse().getOutputStream());
} catch (IOException e) {
LOG.error("Could not read from {}", baseDir.getAbsolutePath() + subPath, e);
} finally {
IOUtils.closeQuietly(resourceIS);
}
}
});
} else {
LOG.error("{} not found, not readable or not a directory", basePath);
}
return response;
}
}