/*
* Copyright 2008-2009 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.hasor.core.setting;
import net.hasor.core.Settings;
import net.hasor.core.XmlNode;
import net.hasor.core.convert.ConverterUtils;
import net.hasor.core.utils.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Array;
import java.text.DateFormat;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.*;
/**
* Settings接口的抽象实现。
*
* @version : 2013-4-2
* @author 赵永春 (zyc@hasor.net)
*/
public abstract class AbstractSettings implements Settings {
protected Logger logger = LoggerFactory.getLogger(getClass());
private static final SettingValue[] EMPTY_SETTING_VALUE = new SettingValue[0];
private DecSpaceMap<String, SettingValue> dataMap;
public AbstractSettings() {
this.dataMap = new DecSpaceMap<String, SettingValue>();
}
//
//
protected DecSpaceMap<String, SettingValue> allSettingValue() {
return dataMap;
}
/**使用UpdateValue接口,遍历所有属性值,将它们重新计算并设置新的参数值。<p>
* 注意:该过程不可逆,一旦重新设置了属性值,那么原有从配置文件中读取的属性值将会被替换。
* 一个典型的应用场景是配置文件模版化。*/
public void resetValues(UpdateValue updateValue) {
if (updateValue == null) {
return;
}
Set<SettingValue> valueSet = this.allSettingValue().valueSet();
if (valueSet != null) {
for (SettingValue sv : valueSet) {
updateValue.update(sv, this);
}
}
}
@Override
public void refresh() throws IOException {
}
//
//
/** 获取可用的命名空间。 */
public String[] getSettingArray() {
Set<String> nsSet = this.allSettingValue().spaceSet();
return nsSet.toArray(new String[nsSet.size()]);
}
/** 获取指在某个特定命名空间下的Settings接口对象。 */
public final AbstractSettings getSettings(final String namespace) {
final DecSpaceMap<String, SettingValue> localData = this.allSettingValue().space(namespace);
if (localData == null) {
return null;
}
return new AbstractSettings() {
public DecSpaceMap<String, SettingValue> allSettingValue() {
return localData;
}
};
}
/** 将整个配置项的多个值全部删除。 */
public void removeSetting(String key, String namespace) {
String lowerKey = StringUtils.isBlank(key) ? "" : key.toLowerCase();
this.allSettingValue().remove(namespace, lowerKey);// 所有命名空间的数据
}
/**
* 设置参数,如果出现多个值,则会覆盖。(使用默认命名空间 : DefaultNameSpace)
* @see #DefaultNameSpace
*/
@Override
public void setSetting(String key, Object value) {
this.setSetting(key, value, DefaultNameSpace);
}
/** 设置参数,如果出现多个值,则会覆盖。 */
public void setSetting(final String key, final Object value, final String namespace) {
String lowerKey = StringUtils.isBlank(key) ? "" : key.toLowerCase();
this.removeSetting(lowerKey, namespace);
this.addSetting(lowerKey, value, namespace);
}
/** 添加参数,如果参数名称相同则追加一项。 */
public void addSetting(final String key, final Object value, final String namespace) {
String lowerKey = StringUtils.isBlank(key) ? "" : key.toLowerCase();
DecSpaceMap<String, SettingValue> dataMap = this.allSettingValue();
SettingValue val = dataMap.get(namespace, lowerKey);
if (val == null) {
val = new SettingValue(namespace);
dataMap.put(namespace, lowerKey, val);
}
val.newValue(value);
}
//
//
/**清空已经装载的所有数据。*/
protected void cleanData() {
logger.info("cleanData -> clear all data.");
this.allSettingValue().deleteAllSpace();
}
protected SettingValue[] findSettingValue(String name) {
name = StringUtils.isBlank(name) ? "" : name.toLowerCase();
List<SettingValue> svList = this.allSettingValue().get(name);
if (svList == null || svList.isEmpty()) {
return EMPTY_SETTING_VALUE;
}
//
Collections.sort(svList, new Comparator<SettingValue>() {
@Override
public int compare(SettingValue o1, SettingValue o2) {
int o1Index = DefaultNameSpace.equalsIgnoreCase(o1.getSpace()) ? 0 : 1;
int o2Index = DefaultNameSpace.equalsIgnoreCase(o2.getSpace()) ? 0 : 1;
return o1Index < o2Index ? -1 : o1Index == o2Index ? 0 : 1;
}
});
return svList.toArray(new SettingValue[svList.size()]);
}
protected <T> T converTo(Object oriObject, final Class<T> toType, final T defaultValue) {
if (oriObject == null) {
return defaultValue;
}
T var = null;
if (oriObject instanceof String) {
// 原始数据是字符串经过Eval过程
var = (T) ConverterUtils.convert(toType, oriObject);
} else if (oriObject instanceof FieldProperty) {
// 原始数据是GlobalProperty直接get
var = ((FieldProperty) oriObject).getValue(toType, defaultValue);
} else {
// 其他类型不予处理(数据就是要的值)
var = (T) oriObject;
}
return var == null ? defaultValue : var;
}
/** 解析全局配置参数,并且返回toType参数指定的类型。 */
public final <T> T getToType(final String name, final Class<T> toType, final T defaultValue) {
SettingValue[] settingvar = this.findSettingValue(name);
if (settingvar == null || settingvar.length == 0) {
return defaultValue;
}
return converTo(settingvar[0].getDefaultVar(), toType, defaultValue);
}
public <T> T[] getToTypeArray(final String name, final Class<T> toType, final T defaultValue) {
SettingValue[] varArrays = this.findSettingValue(name);
if (varArrays == null) {
return (T[]) Array.newInstance(toType, 0);
}
List<T> targetObjects = new ArrayList<T>();
for (SettingValue var : varArrays) {
for (Object item : var.getVarList()) {
T finalItem = converTo(item, toType, defaultValue);
targetObjects.add(finalItem);
}
}
return targetObjects.toArray((T[]) Array.newInstance(toType, targetObjects.size()));
}
public <T> T[] getToTypeArray(final String name, final Class<T> toType) {
return this.getToTypeArray(name, toType, null);
}
/** 解析全局配置参数,并且返回toType参数指定的类型。 */
public final <T> T getToType(final String name, final Class<T> toType) {
return this.getToType(name, toType, null);
}
/** 解析全局配置参数,并且返回其{@link Object}形式对象。 */
public Object getObject(final String name) {
return this.getToType(name, Object.class);
}
/** 解析全局配置参数,并且返回其{@link Object}形式对象。第二个参数为默认值。 */
public Object getObject(final String name, final Object defaultValue) {
return this.getToType(name, Object.class, defaultValue);
}
/** 解析全局配置参数,并且返回其{@link Character}形式对象。 */
public Character getChar(final String name) {
return this.getToType(name, Character.class);
}
/** 解析全局配置参数,并且返回其{@link Character}形式对象。第二个参数为默认值。 */
public Character getChar(final String name, final Character defaultValue) {
return this.getToType(name, Character.class, defaultValue);
}
public Character[] getCharArray(final String name) {
return this.getToTypeArray(name, Character.class);
}
public Character[] getCharArray(final String name, final Character defaultValue) {
return this.getToTypeArray(name, Character.class, defaultValue);
}
/** 解析全局配置参数,并且返回其{@link String}形式对象。 */
public String getString(final String name) {
return this.getToType(name, String.class);
}
/** 解析全局配置参数,并且返回其{@link String}形式对象。第二个参数为默认值。 */
public String getString(final String name, final String defaultValue) {
return this.getToType(name, String.class, defaultValue);
}
public String[] getStringArray(final String name) {
return this.getToTypeArray(name, String.class);
}
public String[] getStringArray(final String name, final String defaultValue) {
return this.getToTypeArray(name, String.class, defaultValue);
}
/** 解析全局配置参数,并且返回其{@link Boolean}形式对象。 */
public Boolean getBoolean(final String name) {
return this.getToType(name, Boolean.class);
}
/** 解析全局配置参数,并且返回其{@link Boolean}形式对象。第二个参数为默认值。 */
public Boolean getBoolean(final String name, final Boolean defaultValue) {
return this.getToType(name, Boolean.class, defaultValue);
}
public Boolean[] getBooleanArray(final String name) {
return this.getToTypeArray(name, Boolean.class);
}
public Boolean[] getBooleanArray(final String name, final Boolean defaultValue) {
return this.getToTypeArray(name, Boolean.class, defaultValue);
}
/** 解析全局配置参数,并且返回其{@link Short}形式对象。 */
public Short getShort(final String name) {
return this.getToType(name, Short.class);
}
/** 解析全局配置参数,并且返回其{@link Short}形式对象。第二个参数为默认值。 */
public Short getShort(final String name, final Short defaultValue) {
return this.getToType(name, Short.class, defaultValue);
}
public Short[] getShortArray(final String name) {
return this.getToTypeArray(name, Short.class);
}
public Short[] getShortArray(final String name, final Short defaultValue) {
return this.getToTypeArray(name, Short.class, defaultValue);
}
/** 解析全局配置参数,并且返回其{@link Integer}形式对象。 */
public Integer getInteger(final String name) {
return this.getToType(name, Integer.class);
}
/** 解析全局配置参数,并且返回其{@link Integer}形式对象。第二个参数为默认值。 */
public Integer getInteger(final String name, final Integer defaultValue) {
return this.getToType(name, Integer.class, defaultValue);
}
public Integer[] getIntegerArray(final String name) {
return this.getToTypeArray(name, Integer.class);
}
public Integer[] getIntegerArray(final String name, final Integer defaultValue) {
return this.getToTypeArray(name, Integer.class, defaultValue);
}
/** 解析全局配置参数,并且返回其{@link Long}形式对象。 */
public Long getLong(final String name) {
return this.getToType(name, Long.class);
}
/** 解析全局配置参数,并且返回其{@link Long}形式对象。第二个参数为默认值。 */
public Long getLong(final String name, final Long defaultValue) {
return this.getToType(name, Long.class, defaultValue);
}
public Long[] getLongArray(final String name) {
return this.getToTypeArray(name, Long.class);
}
public Long[] getLongArray(final String name, final Long defaultValue) {
return this.getToTypeArray(name, Long.class, defaultValue);
}
/** 解析全局配置参数,并且返回其{@link Float}形式对象。 */
public Float getFloat(final String name) {
return this.getToType(name, Float.class);
}
/** 解析全局配置参数,并且返回其{@link Float}形式对象。第二个参数为默认值。 */
public Float getFloat(final String name, final Float defaultValue) {
return this.getToType(name, Float.class, defaultValue);
}
public Float[] getFloatArray(final String name) {
return this.getToTypeArray(name, Float.class);
}
public Float[] getFloatArray(final String name, final Float defaultValue) {
return this.getToTypeArray(name, Float.class, defaultValue);
}
/** 解析全局配置参数,并且返回其{@link Double}形式对象。 */
public Double getDouble(final String name) {
return this.getToType(name, Double.class);
}
/** 解析全局配置参数,并且返回其{@link Double}形式对象。第二个参数为默认值。 */
public Double getDouble(final String name, final Double defaultValue) {
return this.getToType(name, Double.class, defaultValue);
}
public Double[] getDoubleArray(final String name) {
return this.getToTypeArray(name, Double.class);
}
public Double[] getDoubleArray(final String name, final Double defaultValue) {
return this.getToTypeArray(name, Double.class, defaultValue);
}
/** 解析全局配置参数,并且返回其{@link Date}形式对象。 */
public Date getDate(final String name) {
return this.getToType(name, Date.class);
}
/** 解析全局配置参数,并且返回其{@link Date}形式对象。第二个参数为默认值。 */
public Date getDate(final String name, final Date defaultValue) {
return this.getToType(name, Date.class, defaultValue);
}
/** 解析全局配置参数,并且返回其{@link Date}形式对象。第二个参数为默认值。 */
public Date getDate(final String name, final long defaultValue) {
return this.getToType(name, Date.class, new Date(defaultValue));
}
/** 解析全局配置参数,并且返回其{@link Date}形式对象。 */
public Date getDate(final String name, final String format) {
return this.getDate(name, format, null);
}
/** 解析全局配置参数,并且返回其{@link Date}形式对象。第二个参数为默认值。 */
public Date getDate(final String name, final String format, final Date defaultValue) {
String oriData = this.getToType(name, String.class);
if (oriData == null || oriData.length() == 0) {
return defaultValue;
}
//
DateFormat dateFormat = new SimpleDateFormat(format);
ParsePosition pos = new ParsePosition(0);
dateFormat.setLenient(false);
Date parsedDate = dateFormat.parse(oriData, pos); // ignore the result (use the Calendar)
if (pos.getErrorIndex() >= 0 || pos.getIndex() != oriData.length() || parsedDate == null) {
return defaultValue;
} else {
return parsedDate;
}
}
/** 解析全局配置参数,并且返回其{@link Date}形式对象。第二个参数为默认值。 */
public Date getDate(final String name, final String format, final long defaultValue) {
return this.getDate(name, format, new Date(defaultValue));
}
public Date[] getDateArray(final String name) {
return this.getDateArray(name, null, null);
}
public Date[] getDateArray(final String name, final Date defaultValue) {
return this.getDateArray(name, null, defaultValue);
}
public Date[] getDateArray(final String name, final long defaultValue) {
return this.getDateArray(name, null, defaultValue);
}
public Date[] getDateArray(final String name, final String format) {
return this.getDateArray(name, format, null);
}
public Date[] getDateArray(final String name, final String format, final Date defaultValue) {
String[] oriDataArray = this.getToTypeArray(name, String.class);
if (oriDataArray == null || oriDataArray.length == 0) {
return null;
}
//
DateFormat dateFormat = new SimpleDateFormat(format);
dateFormat.setLenient(false);
Date[] parsedDate = new Date[oriDataArray.length];
for (int i = 0; i < oriDataArray.length; i++) {
String oriData = oriDataArray[i];
ParsePosition pos = new ParsePosition(0);
parsedDate[i] = dateFormat.parse(oriData, pos); // ignore the result (use the Calendar)
if (pos.getErrorIndex() >= 0 || pos.getIndex() != oriData.length() || parsedDate[i] == null) {
parsedDate[i] = defaultValue == null ? null : new Date(defaultValue.getTime());
}
}
return parsedDate;
}
public Date[] getDateArray(final String name, final String format, final long defaultValue) {
String[] oriDataArray = this.getToTypeArray(name, String.class);
if (oriDataArray == null || oriDataArray.length == 0) {
return null;
}
//
DateFormat dateFormat = new SimpleDateFormat(format);
dateFormat.setLenient(false);
Date[] parsedDate = new Date[oriDataArray.length];
for (int i = 0; i < oriDataArray.length; i++) {
String oriData = oriDataArray[i];
ParsePosition pos = new ParsePosition(0);
parsedDate[i] = dateFormat.parse(oriData, pos); // ignore the result (use the Calendar)
if (pos.getErrorIndex() >= 0 || pos.getIndex() != oriData.length() || parsedDate[i] == null) {
parsedDate[i] = new Date(defaultValue);
}
}
return parsedDate;
}
/** 解析全局配置参数,并且返回其{@link Enum}形式对象。第二个参数为默认值。 */
public <T extends Enum<?>> T getEnum(final String name, final Class<T> enmType) {
return this.getToType(name, enmType, null);
}
/** 解析全局配置参数,并且返回其{@link Enum}形式对象。第二个参数为默认值。 */
public <T extends Enum<?>> T getEnum(final String name, final Class<T> enmType, final T defaultValue) {
return this.getToType(name, enmType, defaultValue);
}
public <T extends Enum<?>> T[] getEnumArray(final String name, final Class<T> enmType) {
return this.getToTypeArray(name, enmType, null);
}
public <T extends Enum<?>> T[] getEnumArray(final String name, final Class<T> enmType, final T defaultValue) {
return this.getToTypeArray(name, enmType, defaultValue);
}
/** 解析全局配置参数,并且返回其{@link Date}形式对象(用于表示文件)。第二个参数为默认值。 */
public String getFilePath(final String name) {
return this.getFilePath(name, null);
}
/** 解析全局配置参数,并且返回其{@link Date}形式对象(用于表示文件)。第二个参数为默认值。 */
public String getFilePath(final String name, final String defaultValue) {
String filePath = this.getToType(name, String.class);
if (filePath == null || filePath.length() == 0) {
return defaultValue;// 空
} //
int length = filePath.length();
if (filePath.charAt(length - 1) == File.separatorChar) {
return filePath.substring(0, length - 1);
} else {
return filePath;
}
}
public String[] getFilePathArray(final String name) {
return this.getFilePathArray(name, null);
}
public String[] getFilePathArray(final String name, final String defaultValue) {
ArrayList<String> filePaths = new ArrayList<String>();
for (String url : this.getSettingArray()) {
Settings targetSettings = this.getSettings(url);
if (targetSettings == null) {
continue;
}
String filePath = targetSettings.getFilePath(name, defaultValue);
if (filePath == null || filePath.length() == 0) {
continue;// 空
} //
int length = filePath.length();
if (filePath.charAt(length - 1) == File.separatorChar) {
filePaths.add(filePath.substring(0, length - 1));
} else {
filePaths.add(filePath);
}
}
return filePaths.toArray(new String[filePaths.size()]);
}
/** 解析全局配置参数,并且返回其{@link File}形式对象(用于表示目录)。第二个参数为默认值。 */
public String getDirectoryPath(final String name) {
return this.getDirectoryPath(name, null);
}
/** 解析全局配置参数,并且返回其{@link File}形式对象(用于表示目录)。第二个参数为默认值。 */
public String getDirectoryPath(final String name, final String defaultValue) {
String filePath = this.getToType(name, String.class);
if (filePath == null || filePath.length() == 0) {
return defaultValue;// 空
} //
int length = filePath.length();
if (filePath.charAt(length - 1) == File.separatorChar) {
return filePath;
} else {
return filePath + File.separatorChar;
}
}
public String[] getDirectoryPathArray(final String name) {
return this.getDirectoryPathArray(name, null);
}
public String[] getDirectoryPathArray(final String name, final String defaultValue) {
ArrayList<String> directoryPaths = new ArrayList<String>();
for (String url : this.getSettingArray()) {
Settings targetSettings = this.getSettings(url);
if (targetSettings == null) {
continue;
}
String filePath = targetSettings.getDirectoryPath(name, defaultValue);
if (filePath == null || filePath.length() == 0) {
continue;// 空
} //
int length = filePath.length();
if (filePath.charAt(length - 1) == File.separatorChar) {
directoryPaths.add(filePath.substring(0, length - 1));
} else {
directoryPaths.add(filePath);
}
}
return directoryPaths.toArray(new String[directoryPaths.size()]);
}
/** 解析全局配置参数,并且返回其{@link XmlNode}形式对象。 */
public XmlNode getXmlNode(final String name) {
return this.getToType(name, XmlNode.class, null);
}
public XmlNode[] getXmlNodeArray(final String name) {
return this.getToTypeArray(name, XmlNode.class, null);
}
public String toString() {
return "Settings[" + this.getClass().getSimpleName() + "]";
}
}