/**
* 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.lucene.analysis.cn.smart;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;
/**
* Manages analysis data configuration for SmartChineseAnalyzer
* <p>
* SmartChineseAnalyzer has a built-in dictionary and stopword list out-of-box.
* </p>
* <p><font color="#FF0000">
* WARNING: The status of the analyzers/smartcn <b>analysis.cn.smart</b> package is experimental.
* The APIs and file formats introduced here might change in the future and will not be
* supported anymore in such a case.</font>
* </p>
*
*/
public class AnalyzerProfile {
/**
* Global indicating the configured analysis data directory
*/
public static String ANALYSIS_DATA_DIR = "";
static {
init();
}
private static void init() {
String dirName = "analysis-data";
String propName = "analysis.properties";
// Try the system property:-Danalysis.data.dir=/path/to/analysis-data
ANALYSIS_DATA_DIR = System.getProperty("analysis.data.dir", "");
if (ANALYSIS_DATA_DIR.length() != 0)
return;
File[] cadidateFiles = new File[] { new File("./" + dirName),
new File("./lib/" + dirName), new File("./" + propName),
new File("./lib/" + propName) };
for (int i = 0; i < cadidateFiles.length; i++) {
File file = cadidateFiles[i];
if (file.exists()) {
if (file.isDirectory()) {
ANALYSIS_DATA_DIR = file.getAbsolutePath();
} else if (file.isFile() && getAnalysisDataDir(file).length() != 0) {
ANALYSIS_DATA_DIR = getAnalysisDataDir(file);
}
break;
}
}
if (ANALYSIS_DATA_DIR.length() == 0) {
// Dictionary directory cannot be found.
System.err
.println("WARNING: Can not find lexical dictionary directory!");
System.err
.println("WARNING: This will cause unpredictable exceptions in your application!");
System.err
.println("WARNING: Please refer to the manual to download the dictionaries.");
}
}
private static String getAnalysisDataDir(File propFile) {
Properties prop = new Properties();
try {
FileInputStream input = new FileInputStream(propFile);
prop.load(input);
String dir = prop.getProperty("analysis.data.dir", "");
input.close();
return dir;
} catch (IOException e) {
}
return "";
}
}