/**
* 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.oodt.cas.filemgr.metadata.extractors.examples;
//JDK imports
import java.io.File;
//OODT imports
import org.apache.oodt.cas.filemgr.metadata.CoreMetKeys;
import org.apache.oodt.cas.filemgr.metadata.extractors.AbstractFilemgrMetExtractor;
import org.apache.oodt.cas.filemgr.structs.Product;
import org.apache.oodt.cas.filemgr.structs.Reference;
import org.apache.oodt.cas.filemgr.structs.exceptions.VersioningException;
import org.apache.oodt.cas.filemgr.util.GenericFileManagerObjectFactory;
import org.apache.oodt.cas.filemgr.versioning.Versioner;
import org.apache.oodt.cas.filemgr.versioning.VersioningUtils;
import org.apache.oodt.cas.metadata.Metadata;
import org.apache.oodt.cas.metadata.exceptions.MetExtractionException;
/**
*
* Extracts the final <code>FILE_LOCATION</code> met field from the underlying
* {@link Product} and sets it appropriately in the {@link Product}
* {@link Metadata}.
*
*/
public class FinalFileLocationExtractor extends AbstractFilemgrMetExtractor
implements CoreMetKeys {
private boolean replaceLocation;
/*
* (non-Javadoc)
*
* @see
* org.apache.oodt.cas.filemgr.metadata.extractors.AbstractFilemgrMetExtractor
* #doConfigure()
*/
@Override
public void doConfigure() {
if (this.configuration != null) {
this.replaceLocation = Boolean.parseBoolean(this.configuration
.getProperty("replace"));
}
}
/*
* (non-Javadoc)
*
* @see
* org.apache.oodt.cas.filemgr.metadata.extractors.AbstractFilemgrMetExtractor
* #doExtract(org.apache.oodt.cas.filemgr.structs.Product,
* org.apache.oodt.cas.metadata.Metadata)
*/
@Override
public Metadata doExtract(Product product, Metadata met)
throws MetExtractionException {
Metadata extractMet = new Metadata();
merge(met, extractMet);
// get the Versioner
Versioner versioner = GenericFileManagerObjectFactory
.getVersionerFromClassName(product.getProductType().getVersioner());
try {
versioner.createDataStoreReferences(product, met);
} catch (VersioningException e) {
throw new MetExtractionException(
"Unable to generate final FileLocation: Reason: " + e.getMessage());
}
Reference r = product.getProductReferences().get(0);
String finalLocation = VersioningUtils.getAbsolutePathFromUri(r
.getDataStoreReference());
if (this.replaceLocation) {
extractMet.replaceMetadata(FILE_LOCATION,
new File(finalLocation).getParent());
} else {
extractMet
.addMetadata(FILE_LOCATION, new File(finalLocation).getParent());
}
this.scrubRefs(product);
return extractMet;
}
private void scrubRefs(Product p) {
if (p.getProductReferences() == null)
return;
for (Reference r : p.getProductReferences()) {
r.setDataStoreReference("");
}
}
}