opennlp.tools.entitylinker.EntityLinkerProperties Maven / Gradle / Ivy
/*
* 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 opennlp.tools.entitylinker;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
/**
* Properties wrapper for the EntityLinker framework
*
*/
public class EntityLinkerProperties {
private Properties props;
/**
* Constructor takes location of properties file as arg
*
* @param propertiesfile the properties file
* @throws IOException
*/
public EntityLinkerProperties(File propertiesfile) throws IOException {
InputStream stream = null;
try {
stream = new FileInputStream(propertiesfile);
init(stream);
} finally {
if (stream != null) {
stream.close();
}
}
}
/**
*
* @param propertiesIn inputstream of properties file. Stream will not be
* closed
* @throws IOException
*
*/
public EntityLinkerProperties(InputStream propertiesIn) throws IOException {
init(propertiesIn);
}
private void init(InputStream propertiesIn) throws IOException {
props = new Properties();
props.load(propertiesIn);
}
/**
* Gets a property from the props file.
*
* @param key the key to the desired item in the properties file
* (key=value)
* @param defaultValue a default value in case the key, or the value are
* missing
* @return a property value in the form of a string
* @throws IOException when the properties object was somehow not initialized properly
*/
public String getProperty(String key, String defaultValue) throws IOException {
if (props != null) {
return props.getProperty(key, defaultValue);
} else {
throw new IOException("EntityLinkerProperties was not successfully initialized");
}
}
}