/*
* Copyright 2003-2005 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 com.jdon.jivejdon.util;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.Writer;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.StringTokenizer;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
import org.jdom.output.XMLOutputter;
import com.jdon.util.jdom.DataUnformatFilter;
/**
* Provides the the ability to use simple XML property files. Each property is
* in the form X.Y.Z, which would map to an XML snippet of:
* <pre>
* <X>
* <Y>
* <Z>someValue</Z>
* </Y>
* </X>
* </pre>
*
* The XML file is passed in to the constructor and must be readable and
* writtable. Setting property values will automatically persist those value
* to disk or outputStream.
*/
public class XMLProperties {
private Document doc;
/**
* Parsing the XML file every time we need a property is slow. Therefore,
* we use a Map to cache property values that are accessed more than once.
*/
private Map propertyCache = new HashMap();
/**
* Creates a new XMLProperties object.
*
* @parm file the full path the file that properties should be read from
* and written to.
*/
public XMLProperties(String fileName) {
try {
SAXBuilder builder = new SAXBuilder();
// Strip formatting
DataUnformatFilter format = new DataUnformatFilter();
builder.setXMLFilter(format);
doc = builder.build(new File(fileName));
}
catch (Exception e) {
System.err.println("Error creating XML parser in "
+ "PropertyManager.java");
e.printStackTrace();
}
}
/**
* Creates a new XMLProperties object.
*
* @parm file the full path the file that properties should be read from
* and written to.
*/
public XMLProperties(InputStream inputStream) {
try {
SAXBuilder builder = new SAXBuilder();
// Strip formatting
DataUnformatFilter format = new DataUnformatFilter();
builder.setXMLFilter(format);
doc = builder.build(inputStream);
}
catch (Exception e) {
System.err.println("Error creating XML parser in "
+ "PropertyManager.java");
e.printStackTrace();
}
}
public XMLProperties(Reader reader) {
try {
SAXBuilder builder = new SAXBuilder();
// Strip formatting
DataUnformatFilter format = new DataUnformatFilter();
builder.setXMLFilter(format);
doc = builder.build(reader);
}
catch (Exception e) {
System.err.println("Error creating XML parser in "
+ "PropertyManager.java");
e.printStackTrace();
}
}
/**
* Returns the value of the specified property.
*
* @param name the name of the property to get.
* @return the value of the specified property.
*/
public String getProperty(String name) {
if (propertyCache.containsKey(name)) {
return (String)propertyCache.get(name);
}
String[] propName = parsePropertyName(name);
// Search for this property by traversing down the XML heirarchy.
Element element = doc.getRootElement();
for (int i = 0; i < propName.length; i++) {
element = element.getChild(propName[i]);
if (element == null) {
// This node doesn't match this part of the property name which
// indicates this property doesn't exist so return null.
return null;
}
}
// At this point, we found a matching property, so return its value.
// Empty strings are returned as null.
String value = element.getText();
if ("".equals(value)) {
return null;
}
else {
// Add to cache so that getting property next time is fast.
value = value.trim();
propertyCache.put(name, value);
return value;
}
}
/**
* Return all children property names of a parent property as a String array,
* or an empty array if the if there are no children. For example, given
* the properties <tt>X.Y.A</tt>, <tt>X.Y.B</tt>, and <tt>X.Y.C</tt>, then
* the child properties of <tt>X.Y</tt> are <tt>A</tt>, <tt>B</tt>, and
* <tt>C</tt>.
*
* @param parent the name of the parent property.
* @return all child property values for the given parent.
*/
public String [] getChildrenProperties(String parent) {
String[] propName = parsePropertyName(parent);
// Search for this property by traversing down the XML heirarchy.
Element element = doc.getRootElement();
for (int i = 0; i < propName.length; i++) {
element = element.getChild(propName[i]);
if (element == null) {
// This node doesn't match this part of the property name which
// indicates this property doesn't exist so return empty array.
return new String [] { };
}
}
// We found matching property, return names of children.
List children = element.getChildren();
int childCount = children.size();
String [] childrenNames = new String[childCount];
for (int i=0; i<childCount; i++) {
childrenNames[i] = ((Element)children.get(i)).getName();
}
return childrenNames;
}
/**
* Sets the value of the specified property. If the property doesn't
* currently exist, it will be automatically created.
*
* @param name the name of the property to set.
* @param value the new value for the property.
*/
public void setProperty(String name, String value) {
// Set cache correctly with prop name and value.
propertyCache.put(name, value);
String[] propName = parsePropertyName(name);
// Search for this property by traversing down the XML heirarchy.
Element element = doc.getRootElement();
for (int i=0; i<propName.length; i++) {
// If we don't find this part of the property in the XML heirarchy
// we add it as a new node
if (element.getChild(propName[i]) == null) {
element.addContent(new Element(propName[i]));
}
element = element.getChild(propName[i]);
}
// Set the value of the property in this node.
element.setText(value);
}
/**
* Deletes the specified property.
*
* @param name the property to delete.
*/
public void deleteProperty(String name) {
String[] propName = parsePropertyName(name);
// Search for this property by traversing down the XML heirarchy.
Element element = doc.getRo
基于Hibernate开发的jivejdon论坛源码 （455个子文件） 
MessageRepository.class 7KB ImageUtils.class 7KB XMLProperties.class 7KB ForumMessageShell.class 6KB AccountServiceImp.class 6KB ToolsUtil.class 6KB AccountSSOSql.class 5KB MessageForm.class 5KB MessageListAction.class 5KB ForumBuilder.class 5KB UpLoadFileForm.class 5KB MessageQueryDaoImp.class 5KB UploadServiceShell.class 5KB ForumDaoImp.class 5KB ForumMessage.class 4KB AccountDaoImp.class 4KB PermissionInterceptor.class 4KB PermissionXmlParser.class 4KB UploadFileListAction.class 4KB ThreadListAction.class 4KB MessageKernel.class 4KB AccountProfileServiceImp.class 4KB MessageRenderingFilter.class 4KB Account.class 3KB ThreadRepository.class 3KB AccountForm.class 3KB MessageListAuthFilter.class 3KB MessageRenderingFile.class 3KB SessionContextUtil.class 3KB MessageRenderingImage.class 3KB UploadFile.class 3KB AccountProfileForm.class 3KB MessageDaoImp.class 3KB ForumServiceImp.class 3KB RegisterCodeAction.class 3KB ContainerUtil.class 3KB UploadRepository.class 3KB UserMessageListAction.class 3KB SequenceDaoSql.class 3KB DecodeUBB.class 3KB InFilterManager.class 3KB MessageEditAuthFilter.class 3KB ResourceAuthorization.class 3KB AccountProfile.class 2KB ForumThread.class 2KB SkinUtils.class 2KB ForumMessageQueryServiceImp.class 2KB UploadHelper.class 2KB ForumForm.class 2KB ForumRepository.class 2KB AccountProfileDaoImp.class 2KB UploadFileDaoImp.class 2KB BaseForm.class 2KB JdbcTempSSOSource.class 2KB JdbcTempSource.class 2KB OutFilterManager.class 2KB SidebarShowController.class 2KB Forum.class 2KB regexFilter.class 2KB PermissionRule.class 1KB MessageDaoFacade.class 1KB UploadServiceImp.class 1KB MessageListForm.class 1KB UserListAction.class 1KB ForumListAction.class 1KB ModelState.class 1KB ForumState.class 1KB MessageRendering.class 1KB OperationAuthorization.class 1010B ForumThreadState.class 956B Constants.class 864B ForumMessageReply.class 856B ForumMessageService.class 822B MessageDao.class 695B ForumDao.class 688B ForumThreadWalker.class 654B MessageQueryDao.class 631B AccountDao.class 587B AccountService.class 543B ForumMessageNotFoundException.class 528B NoPermissionException.class 478B UploadService.class 393B AccountProfileDao.class 392B ForumService.class 380B UploadFileDao.class 364B AccountProfileService.class 314B ForumMessageQueryService.class 287B Role.class 266B SequenceDao.class 217B MessageRenderingState.class 211B EmbedIF.class 180B .classpath 3KB org.eclipse.wst.common.component 446B pagination.css 30KB jivejdon.css 4KB SyntaxHighlighter.css 4KB zh_CN.css 1KB style.css 1006B tabs.css 998B Thumbs.db 76KB共 455 条
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