/*
* 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.metadata.extractors;
//JDK imports
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.text.SimpleDateFormat;
import java.util.List;
//OODT imports
import org.apache.oodt.cas.metadata.MetExtractorConfig;
import org.apache.oodt.cas.metadata.Metadata;
import org.apache.oodt.cas.metadata.util.PathUtils;
import static org.apache.oodt.cas.metadata.extractors.FilenameTokenExtractorMetKeys.*;
import org.apache.oodt.pcs.input.PGEConfigFileException;
import org.apache.oodt.pcs.input.PGEConfigFileReader;
import org.apache.oodt.pcs.input.PGEConfigurationFile;
import org.apache.oodt.pcs.input.PGEGroup;
import org.apache.oodt.pcs.input.PGEScalar;
import org.apache.oodt.pcs.input.PGEVector;
/**
*
* Wraps a {@link PGEConfigurationFile} as a {@link MetExtractorConfig}.
*
* @author mattmann
* @version $Revision$
*
*/
public class FilenameTokenConfig implements MetExtractorConfig {
private PGEConfigurationFile conf;
public FilenameTokenConfig() {
this.conf = null;
}
public FilenameTokenConfig(PGEConfigurationFile conf) {
this.conf = conf;
}
public void setConfig(String confFilePath) throws FileNotFoundException,
PGEConfigFileException {
this.conf = new PGEConfigFileReader().read(new FileInputStream(new File(
confFilePath)));
}
public SimpleDateFormat getDateFormatter() {
return new SimpleDateFormat(this.conf.getPgeSpecificGroups().get(
PRODUCTION_DATE_TIME_GROUP).getScalar(DATETIME_SCALAR).getValue());
}
public boolean hasTokenNameList() {
return this.conf.getPgeSpecificGroups().get(TOKEN_LIST_GROUP) != null;
}
public String getTokenDelimeterScalar() {
return this.conf.getPgeSpecificGroups().get(TOKEN_LIST_GROUP).getScalar(
TOKEN_DELIMETER_SCALAR).getValue();
}
public List<String> getTokenMetKeyNames() {
return (List<String>) (List<?>) this.conf.getPgeSpecificGroups().get(
TOKEN_LIST_GROUP).getVector(TOKEN_MET_KEYS_VECTOR).getElements();
}
public Metadata getSubstringOffsetMet(File file) {
PGEGroup substrOffsetGroup = this.conf.getPgeSpecificGroups().get(
SUBSTRING_OFFSET_GROUP);
Metadata met = new Metadata();
if (substrOffsetGroup == null)
return met;
String filename = file.getName();
for (PGEVector vec : substrOffsetGroup.getVectors().values()) {
String metKeyName = vec.getName();
int offset = Integer.valueOf((String) vec.getElements().get(0)) - 1;
int length = Integer.valueOf((String) vec.getElements().get(1));
String metVal = filename.substring(offset, offset + length).trim();
met.addMetadata(metKeyName, metVal);
}
return met;
}
public Metadata getCommonMet() {
PGEGroup commonMetGroup = this.conf.getPgeSpecificGroups().get(
COMMON_METADATA_GROUP);
Metadata met = new Metadata();
for (String scalarName : commonMetGroup.getScalars().keySet()) {
PGEScalar scalar = commonMetGroup.getScalar(scalarName);
met.addMetadata(scalar.getName(), PathUtils.replaceEnvVariables(scalar
.getValue()));
}
for (String vecName : commonMetGroup.getVectors().keySet()) {
PGEVector vec = commonMetGroup.getVector(vecName);
for (String val : (List<String>) (List<?>) vec.getElements()) {
met.addMetadata(vecName, PathUtils.replaceEnvVariables(val));
}
}
return met;
}
/**
* @return the conf
*/
public PGEConfigurationFile getConf() {
return conf;
}
/**
* @param conf
* the conf to set
*/
public void setConf(PGEConfigurationFile conf) {
this.conf = conf;
}
}