/*
* 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.installer.provider.jcr.impl;
import java.io.IOException;
import java.io.InputStream;
import java.util.Dictionary;
import java.util.Hashtable;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import org.apache.sling.installer.api.InstallableResource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Convert a Node that is a file to an InstallableResource that wraps an InputStream
*/
public class FileNodeConverter implements JcrInstaller.NodeConverter {
private static final String JCR_CONTENT = "jcr:content";
private static final String JCR_CONTENT_DATA = JCR_CONTENT + "/jcr:data";
private static final String JCR_LAST_MODIFIED = "jcr:lastModified";
private static final String JCR_CONTENT_LAST_MODIFIED = JCR_CONTENT + "/" + JCR_LAST_MODIFIED;
private final Logger logger = LoggerFactory.getLogger(getClass());
/**
* @see org.apache.sling.installer.provider.jcr.impl.JcrInstaller.NodeConverter#convertNode(javax.jcr.Node, int)
*/
public InstallableResource convertNode(
final Node n,
final int priority)
throws RepositoryException {
final String nodePath = n.getPath();
if (n.hasProperty(JCR_CONTENT_DATA) && n.hasProperty(JCR_CONTENT_LAST_MODIFIED)) {
try {
return convert(n, nodePath, priority);
} catch (final IOException ioe) {
logger.info("Conversion failed, node {} ignored ({})", nodePath, ioe);
}
} else {
logger.debug("Node {} has no {} properties, ignored", nodePath,
JCR_CONTENT_DATA + " or " + JCR_CONTENT_LAST_MODIFIED);
}
return null;
}
private InstallableResource convert(
final Node n,
final String path,
final int priority)
throws IOException, RepositoryException {
final String digest = String.valueOf(n.getProperty(JCR_CONTENT_LAST_MODIFIED).getDate().getTimeInMillis());
final InputStream is = n.getProperty(JCR_CONTENT_DATA).getStream();
final Dictionary<String, Object> dict = new Hashtable<String, Object>();
dict.put(InstallableResource.INSTALLATION_HINT, n.getParent().getName());
return new InstallableResource(path, is, dict, digest, null, priority);
}
}