/* | |
* 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.ki.io; | |
import java.io.InputStream; | |
import java.io.Reader; | |
import java.text.ParseException; | |
import java.util.LinkedHashMap; | |
import java.util.Map; | |
import java.util.Scanner; | |
import org.slf4j.Logger; | |
import org.slf4j.LoggerFactory; | |
import static org.apache.ki.util.StringUtils.clean; | |
import static org.apache.ki.util.StringUtils.splitKeyValue; | |
/** | |
* //TODO - complete JavaDoc | |
* | |
* @author Les Hazlewood | |
* @since 0.9 | |
*/ | |
public class IniResource extends TextResource { | |
private static final Logger log = LoggerFactory.getLogger(IniResource.class); | |
public static final String COMMENT_POUND = "#"; | |
public static final String COMMENT_SEMICOLON = ";"; | |
public static final String HEADER_PREFIX = "["; | |
public static final String HEADER_SUFFIX = "]"; | |
protected Map<String, Map<String, String>> sections = new LinkedHashMap<String, Map<String, String>>(); | |
public IniResource() { | |
} | |
public IniResource(String configBodyOrResourcePath) { | |
load(configBodyOrResourcePath); | |
} | |
public IniResource(String configBodyOrResourcePath, String charsetName) { | |
setCharsetName(charsetName); | |
load(configBodyOrResourcePath); | |
} | |
public IniResource(InputStream is) { | |
load(is); | |
} | |
public IniResource(Reader r) { | |
load(r); | |
} | |
public IniResource(Scanner s) { | |
load(s); | |
} | |
public Map<String, Map<String, String>> getSections() { | |
return sections; | |
} | |
public void setSections(Map<String, Map<String, String>> sections) { | |
this.sections = sections; | |
} | |
public void load(Scanner scanner) { | |
String currSectionName = null; | |
Map<String, String> section = new LinkedHashMap<String, String>(); | |
while (scanner.hasNextLine()) { | |
String line = clean(scanner.nextLine()); | |
if (line == null || line.startsWith(COMMENT_POUND) || line.startsWith(COMMENT_SEMICOLON)) { | |
//skip empty lines and comments: | |
continue; | |
} | |
String sectionName = getSectionName(line.toLowerCase()); | |
if (sectionName != null) { | |
if (!section.isEmpty()) { | |
sections.put(currSectionName, section); | |
} | |
currSectionName = sectionName; | |
section = new LinkedHashMap<String, String>(); | |
if (log.isDebugEnabled()) { | |
log.debug("Parsing " + HEADER_PREFIX + currSectionName + HEADER_SUFFIX); | |
} | |
} else { | |
//normal line - split it into Key Value pairs and add it to the section: | |
try { | |
String[] keyValue = splitKeyValue(line); | |
section.put(keyValue[0], keyValue[1]); | |
} catch (ParseException e) { | |
String msg = "Unable to read key value pair for line [" + line + "]."; | |
throw new ResourceException(msg, e); | |
} | |
} | |
} | |
if (!section.isEmpty()) { | |
sections.put(currSectionName, section); | |
} | |
} | |
protected static boolean isSectionHeader(String line) { | |
String s = clean(line); | |
return s != null && s.startsWith(HEADER_PREFIX) && s.endsWith(HEADER_SUFFIX); | |
} | |
protected static String getSectionName(String line) { | |
String s = clean(line); | |
if (isSectionHeader(s)) { | |
return clean(s.substring(1, s.length() - 1)); | |
} | |
return null; | |
} | |
} |