org.tinygroup.ini.impl.IniOperatorDefault Maven / Gradle / Ivy
/**
* Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
*
* Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
*
* 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.tinygroup.ini.impl;
import org.tinygroup.ini.*;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 默认实现
* Created by luoguo on 14-3-29.
*/
public class IniOperatorDefault implements IniOperator {
private Sections sections = null;
private String commentChar = ";";
private static final Pattern SECTION_PATTERN = Pattern.compile("([\\[])(.*)([\\]])");
private static final Pattern VALUE_PAIR_PATTERN = Pattern.compile("(.*)=(.*)");
public IniOperatorDefault() {
}
public IniOperatorDefault(Sections sections) {
this.sections = sections;
}
public void setSections(Sections sections) {
this.sections = sections;
}
public Sections getSections() {
return sections;
}
public void read(InputStream inputStream, String charset) throws IOException, IniException {
sections = new Sections();
InputStreamReader reader = new InputStreamReader(inputStream, charset);
BufferedReader bufferedReader = new BufferedReader(reader);
String string = bufferedReader.readLine();
String sectionName = null;
while (string != null) {
string = string.trim();
if (string.length() == 0) {
//do nothing
} else if (string.startsWith(commentChar)) {
addComment(sectionName, string);
} else if (string.startsWith("[")) { //如果是Section
sectionName = addSection(string);
} else {
addValuePair(string, sectionName);
}
string = bufferedReader.readLine();
}
reader.close();
}
private void addValuePair(String string, String sectionName) throws IniException {
Matcher matcher = VALUE_PAIR_PATTERN.matcher(string);
if (matcher.find()) {
String comment = string.substring(matcher.end()).trim();
if (comment.length() > 0) {
add(sectionName, new ValuePair(matcher.group(1).trim(), Utils.decode(matcher.group(2).trim()), comment.substring(1)));
} else {
add(sectionName, new ValuePair(matcher.group(1).trim(), Utils.decode(matcher.group(2).trim())));
}
} else {
throw new IniException("不符全规范的内容：" + string);
}
}
private String addSection(String string) throws IniException {
Matcher matcher = SECTION_PATTERN.matcher(string);
String sectionName = null;
if (matcher.find()) {
sectionName = Utils.decode(matcher.group(2).trim());
String comment = string.substring(matcher.end()).trim();
Section section;
if (comment.startsWith(";")) {//如果有备注
section = new Section(sectionName, comment.substring(1));
} else if (comment.length() == 0) {//如果没有备注
section = new Section(sectionName);
} else {
throw new IniException("不符全规范的内容：" + string);
}
sections.addSection(section);
}
return sectionName;
}
private void addComment(String sectionName, String string) {
ValuePair valuePair = new ValuePair(string.substring(1));
add(sectionName, valuePair);
}
public void write(OutputStream outputStream, String charset) throws IOException {
if (sections != null) {
for (Section section : sections.getSectionList()) {
if (section.getName() != null) {
if (section.getComment() != null) {
outputStream.write(String.format("[%s];%s%n", Utils.encode(section.getName()), Utils.encode(section.getComment())).getBytes(charset));
} else {
outputStream.write(String.format("[%s]%n", Utils.encode(section.getName())).getBytes(charset));
}
}
for (ValuePair valuePair : section.getValuePairList()) {
if (valuePair.getKey() != null) {
if (valuePair.getComment() != null && valuePair.getComment().length() > 0) {
outputStream.write(String.format("%s=%s;%s%n", valuePair.getKey(), Utils.encode(valuePair.getValue()), valuePair.getComment()).getBytes(charset));
} else {
outputStream.write(String.format("%s=%s%n", valuePair.getKey(), Utils.encode(valuePair.getValue())).getBytes(charset));
}
} else {
outputStream.write(String.format(";%s%n", valuePair.getComment()).getBytes(charset));
}
}
}
}
}
public Section getSection(String sectionName) {
if (sections != null) {
return sections.getSection(sectionName);
}
return null;
}
public void setCommentChar(char commentChar) {
this.commentChar = commentChar + "";
}
public IniOperatorDefault put(String sectionName, String key, T value) {
Section section = checkSection(sectionName);
section.set(key, value);
return this;
}
private Section checkSection(String sectionName) {
if (sections == null) {
sections = new Sections();
}
Section section = sections.getSection(sectionName);
if (section == null) {
section = new Section(sectionName);
sections.addSection(section);
}
return section;
}
public IniOperatorDefault add(String sectionName, String key, T value) {
add(sectionName, new ValuePair(key, value.toString()));
return this;
}
public T get(Class tClass, String sectionName, String key, T defaultValue) {
return null;
}
public String get(String sectionName, String key, String defaultValue) {
String value = get(sectionName, key);
if (value != null) {
return value;
}
return defaultValue;
}
public String get(String sectionName, String key) {
Section section = sections.getSection(sectionName);
if (section != null) {
return section.getValue(key);
}
return null;
}
public List getList(Class tClass, String sectionName, String key) {
List list = new ArrayList();
Section section = getSection(sectionName);
if (section != null) {
for (ValuePair valuePair : section.getValuePairList()) {
if (valuePair.getKey().equals(key)) {
list.add(valuePair.getValue(tClass));
}
}
}
return list;
}
public T get(Class tClass, String sectionName, String key) {
Section section = sections.getSection(sectionName);
if (section != null) {
T value = section.getValue(tClass, key);
if (value != null) {
return value;
}
}
return null;
}
public IniOperatorDefault add(String sectionName, ValuePair valuePair) {
Section section = checkSection(sectionName);
section.add(valuePair);
return this;
}
public IniOperatorDefault set(String sectionName, ValuePair valuePair) {
for (Section section : sections.getSectionList()) {
if (sectionName.equals(section.getName())) {
for (ValuePair pair : section.getValuePairList()) {
if (pair.getKey().equals(valuePair.getKey()))
pair.setValue(valuePair.getValue());
return this;
}
}
}
return add(sectionName, valuePair);
}
public IniOperatorDefault add(String sectionName, List valuePairList) {
Section section = checkSection(sectionName);
section.getValuePairList().addAll(valuePairList);
return this;
}
public List getValuePairList(String sectionName, String key) {
Section section = sections.getSection(sectionName);
if (section != null) {
return section.getValuePairList(key);
}
return null;
}
public ValuePair getValuePair(String sectionName, String key) {
Section section = sections.getSection(sectionName);
if (section != null) {
return section.getValuePair(key);
}
return null;
}
}
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