org.modeshape.connector.filesystem.LargeFileSystemConnector Maven / Gradle / Ivy
/*
* ModeShape (http://www.modeshape.org)
*
* Licensed 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.modeshape.connector.filesystem;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import org.modeshape.jcr.value.BinaryValue;
import org.modeshape.jcr.value.binary.ExternalBinaryValue;
import org.modeshape.jcr.value.binary.FileUrlBinaryValue;
import org.modeshape.jcr.value.binary.UrlBinaryValue;
public class LargeFileSystemConnector extends FileSystemConnector {
/**
* Utility method to create a {@link BinaryValue} object for the given file overriding FileSystemConnector. Subclasses should
* rarely override this method, since the {@link UrlBinaryValue} will be applicable in most situations, but in this subclass
* is overriding using {@link FileUrlBinaryValue} to lazily compute a contentBased Hash when the key is a URI based Hash.
* Option contentBasedSha1=false should only be used in "write-once" directories as modifying the file will not change stored
* hash
*
* @param file the file for which the {@link BinaryValue} is to be created; never null
* @return the binary value; never null
* @throws IOException if there is an error creating the value
*/
@Override
protected ExternalBinaryValue createBinaryValue( File file ) throws IOException {
URL content = createUrlForFile(file);
if (contentBasedSha1()) {
return new UrlBinaryValue(sha1(file), getSourceName(), content, file.length(), file.getName(), getMimeTypeDetector());
}
return new FileUrlBinaryValue(sha1(file), getSourceName(), content, file.length(), file.getName(), getMimeTypeDetector());
}
}
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