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net.ymate.platform.configuration.AbstractConfigurationProvider Maven / Gradle / Ivy
/*
* Copyright 2007-2019 the original author or authors.
*
* Licensed 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 net.ymate.platform.configuration;
import net.ymate.platform.commons.ReentrantLockHelper;
import net.ymate.platform.commons.lang.BlurObject;
import net.ymate.platform.commons.util.ClassUtils;
import net.ymate.platform.commons.util.FileUtils;
import net.ymate.platform.core.configuration.IConfigFileParser;
import net.ymate.platform.core.configuration.IConfigurationProvider;
import org.apache.commons.lang.NullArgumentException;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.net.URL;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.ReentrantLock;
/**
* @author 刘镇 ([email protected] ) on 2017/7/31 上午12:39
*/
public abstract class AbstractConfigurationProvider implements IConfigurationProvider {
private static final Log LOG = LogFactory.getLog(AbstractConfigurationProvider.class);
/**
* 配置对象缓存，对于重复的文件加载会使用缓存，减少文件读写频率
*/
private static final Map CONFIG_CACHE_MAPS = new ConcurrentHashMap<>();
private static final ReentrantLockHelper LOCK = new ReentrantLockHelper();
/**
* 配置对象
*/
private IConfigFileParser configFileParser;
/**
* 装载配置文件参数
*/
private String cfgFileName;
@Override
public void load(String cfgFileName) throws Exception {
if (StringUtils.isBlank(cfgFileName)) {
throw new NullArgumentException("cfgFileName");
}
this.cfgFileName = cfgFileName;
//
ReentrantLock locker = LOCK.getLocker(this.cfgFileName);
locker.lock();
try {
doLoad(false);
} finally {
locker.unlock();
}
}
/**
* 执行配置文件加载
*
* @param update 是否为重新加载
* @throws Exception 可能产生的任何异常
*/
private void doLoad(boolean update) throws Exception {
if (update || !CONFIG_CACHE_MAPS.containsKey(cfgFileName)) {
configFileParser = buildConfigFileParser(FileUtils.toURL(cfgFileName)).load(true);
CONFIG_CACHE_MAPS.put(cfgFileName, configFileParser);
if (update && LOG.isInfoEnabled()) {
LOG.info(String.format("Configuration file [%s] reloaded.", cfgFileName));
}
} else {
configFileParser = CONFIG_CACHE_MAPS.get(cfgFileName);
}
}
/**
* 构建配置文件分析器对象
*
* @param cfgFileName 配置文件URL路径
* @return 返回配置文件分析器对象
* @throws Exception 可能产生的任何异常
*/
protected abstract IConfigFileParser buildConfigFileParser(URL cfgFileName) throws Exception;
@Override
public IConfigFileParser getConfigFileParser() {
return configFileParser;
}
@Override
public void reload() throws Exception {
ReentrantLock locker = LOCK.getLocker(cfgFileName);
locker.lock();
try {
// 加载配置
doLoad(true);
} finally {
locker.unlock();
}
}
@Override
public String getCfgFileName() {
return cfgFileName;
}
@Override
public String getString(String key) {
IConfigFileParser.Property prop = configFileParser.getDefaultCategory().getProperty(key);
return prop == null ? null : prop.getContent();
}
@Override
public String getString(String key, String defaultValue) {
return StringUtils.defaultIfBlank(getString(key), defaultValue);
}
@Override
public String getString(String category, String key, String defaultValue) {
IConfigFileParser.Category categoryObj = configFileParser.getCategory(category);
if (categoryObj == null) {
return defaultValue;
}
IConfigFileParser.Property prop = categoryObj.getProperty(key);
return StringUtils.defaultIfBlank(prop == null ? null : prop.getContent(), defaultValue);
}
@Override
public List getList(String key) {
return getList(IConfigFileParser.DEFAULT_CATEGORY_NAME, key);
}
@Override
public List getList(String category, String key) {
List returnValue = new ArrayList<>();
IConfigFileParser.Property prop = configFileParser.getCategory(category).getProperty(key);
if (prop != null) {
prop.getAttributes().values().stream().filter((attr) -> (StringUtils.isBlank(attr.getValue())))
.forEachOrdered((attr) -> returnValue.add(attr.getKey()));
}
return returnValue;
}
@Override
public Map getMap(String key) {
return getMap(IConfigFileParser.DEFAULT_CATEGORY_NAME, key);
}
@Override
public Map getMap(String category, String key) {
Map returnValue = new LinkedHashMap<>();
IConfigFileParser.Property prop = configFileParser.getCategory(category).getProperty(key);
if (prop != null) {
prop.getAttributes().values().stream().filter((attr) -> (StringUtils.isNotBlank(attr.getValue())))
.forEachOrdered((attr) -> returnValue.put(attr.getKey(), attr.getValue()));
}
return returnValue;
}
@Override
public String[] getArray(String key) {
List resultValue = getList(key);
return resultValue.toArray(new String[0]);
}
@Override
public String[] getArray(String key, String[] defaultValue) {
List resultValue = getList(key);
return resultValue.isEmpty() ? defaultValue : resultValue.toArray(new String[0]);
}
@Override
public String[] getArray(String key, boolean zeroSize) {
return getArray(IConfigFileParser.DEFAULT_CATEGORY_NAME, key, zeroSize);
}
@Override
public String[] getArray(String category, String key, boolean zeroSize) {
List values = getList(category, key);
if (values.isEmpty() && !zeroSize) {
return null;
}
return values.toArray(new String[0]);
}
@Override
public int getInt(String key) {
return getInt(IConfigFileParser.DEFAULT_CATEGORY_NAME, key, 0);
}
@Override
public int getInt(String key, int defaultValue) {
return getInt(IConfigFileParser.DEFAULT_CATEGORY_NAME, key, defaultValue);
}
@Override
public int getInt(String category, String key, int defaultValue) {
IConfigFileParser.Category categoryObj = configFileParser.getCategory(category);
if (categoryObj != null) {
IConfigFileParser.Property prop = categoryObj.getProperty(key);
if (prop != null) {
return new BlurObject(prop.getContent()).toIntValue();
}
}
return defaultValue;
}
@Override
public boolean getBoolean(String key) {
return getBoolean(IConfigFileParser.DEFAULT_CATEGORY_NAME, key, false);
}
@Override
public boolean getBoolean(String key, boolean defaultValue) {
return getBoolean(IConfigFileParser.DEFAULT_CATEGORY_NAME, key, defaultValue);
}
@Override
public boolean getBoolean(String category, String key, boolean defaultValue) {
IConfigFileParser.Category categoryObj = configFileParser.getCategory(category);
if (categoryObj != null) {
IConfigFileParser.Property prop = categoryObj.getProperty(key);
if (prop != null) {
return new BlurObject(prop.getContent()).toBooleanValue();
}
}
return defaultValue;
}
@Override
public long getLong(String key) {
return getLong(IConfigFileParser.DEFAULT_CATEGORY_NAME, key, 0L);
}
@Override
public long getLong(String key, long defaultValue) {
return getLong(IConfigFileParser.DEFAULT_CATEGORY_NAME, key, defaultValue);
}
@Override
public long getLong(String category, String key, long defaultValue) {
IConfigFileParser.Category categoryObj = configFileParser.getCategory(category);
if (categoryObj != null) {
IConfigFileParser.Property prop = categoryObj.getProperty(key);
if (prop != null) {
return new BlurObject(prop.getContent()).toLongValue();
}
}
return defaultValue;
}
@Override
public float getFloat(String key) {
return getFloat(IConfigFileParser.DEFAULT_CATEGORY_NAME, key, 0f);
}
@Override
public float getFloat(String key, float defaultValue) {
return getFloat(IConfigFileParser.DEFAULT_CATEGORY_NAME, key, defaultValue);
}
@Override
public float getFloat(String category, String key, float defaultValue) {
IConfigFileParser.Category categoryObj = configFileParser.getCategory(category);
if (categoryObj != null) {
IConfigFileParser.Property prop = categoryObj.getProperty(key);
if (prop != null) {
return new BlurObject(prop.getContent()).toFloatValue();
}
}
return defaultValue;
}
@Override
public double getDouble(String key) {
return getDouble(IConfigFileParser.DEFAULT_CATEGORY_NAME, key, 0d);
}
@Override
public double getDouble(String key, double defaultValue) {
return getDouble(IConfigFileParser.DEFAULT_CATEGORY_NAME, key, defaultValue);
}
@Override
public T getClassImpl(String key, Class interfaceClass) {
return ClassUtils.impl(getString(key), interfaceClass, getClass());
}
@Override
public T getClassImpl(String key, String defaultValue, Class interfaceClass) {
return ClassUtils.impl(getString(key, defaultValue), interfaceClass, getClass());
}
@Override
public T getClassImpl(String category, String key, String defaultValue, Class interfaceClass) {
return ClassUtils.impl(getString(category, key, defaultValue), interfaceClass, getClass());
}
@Override
public double getDouble(String category, String key, double defaultValue) {
IConfigFileParser.Category categoryObj = configFileParser.getCategory(category);
if (categoryObj != null) {
IConfigFileParser.Property prop = categoryObj.getProperty(key);
if (prop != null) {
return new BlurObject(prop.getContent()).toDoubleValue();
}
}
return defaultValue;
}
@Override
public Map toMap() {
return toMap(IConfigFileParser.DEFAULT_CATEGORY_NAME);
}
@Override
public Map toMap(String category) {
IConfigFileParser.Category categoryObj = configFileParser.getCategory(category);
if (categoryObj == null) {
return Collections.emptyMap();
}
Collection properties = categoryObj.getProperties().values();
Map returnValue = new LinkedHashMap<>(properties.size());
properties.stream().peek((prop) -> returnValue.put(prop.getName(), prop.getContent()))
.forEachOrdered((prop) -> prop.getAttributes().values()
.forEach((attr) -> returnValue.put(prop.getName().concat(".").concat(attr.getKey()), attr.getValue())));
return returnValue;
}
@Override
public List getCategoryNames() {
return new ArrayList<>(configFileParser.getCategories().keySet());
}
@Override
public boolean contains(String key) {
return configFileParser.getDefaultCategory().getProperty(key) != null;
}
@Override
public boolean contains(String category, String key) {
IConfigFileParser.Category categoryObj = configFileParser.getCategory(category);
return categoryObj != null && categoryObj.getProperty(key) != null;
}
}
