package com.baidu.ueditor;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.UnsupportedEncodingException;
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import java.util.HashMap;
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import java.util.Map;
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import org.json.JSONArray;
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import org.json.JSONObject;
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import com.baidu.ueditor.define.ActionMap;
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/**
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* 配置管理器
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* @author hancong03@baidu.com
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*
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*/
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public final class ConfigManager {
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private final String rootPath;
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private final String originalPath;
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private final String contextPath;
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private static final String configFileName = "config.json";
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private String parentPath = null;
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private JSONObject jsonConfig = null;
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// 涂鸦上传filename定义
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private final static String SCRAWL_FILE_NAME = "scrawl";
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// 远程图片抓取filename定义
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private final static String REMOTE_FILE_NAME = "remote";
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/*
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* 通过一个给定的路径构建一个配置管理器， 该管理器要求地址路径所在目录下必须存在config.properties文件
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*/
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private ConfigManager ( String rootPath, String contextPath, String uri ) throws FileNotFoundException, IOException {
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rootPath = rootPath.replace( "\\", "/" );
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this.rootPath = rootPath;
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this.contextPath = contextPath;
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if ( contextPath.length() > 0 ) {
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this.originalPath = this.rootPath + uri.substring( contextPath.length() );
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} else {
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this.originalPath = this.rootPath + uri;
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}
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this.initEnv();
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}
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/**
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* 配置管理器构造工厂
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* @param rootPath 服务器根路径
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* @param contextPath 服务器所在项目路径
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* @param uri 当前访问的uri
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* @return 配置管理器实例或者null
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*/
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public static ConfigManager getInstance ( String rootPath, String contextPath, String uri ) {
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try {
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return new ConfigManager(rootPath, contextPath, uri);
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} catch ( Exception e ) {
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return null;
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}
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}
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// 验证配置文件加载是否正确
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public boolean valid () {
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return this.jsonConfig != null;
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}
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public JSONObject getAllConfig () {
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return this.jsonConfig;
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}
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public Map<String, Object> getConfig ( int type ) {
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Map<String, Object> conf = new HashMap<String, Object>();
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String savePath = null;
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switch ( type ) {
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case ActionMap.UPLOAD_FILE:
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conf.put( "isBase64", "false" );
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conf.put( "maxSize", this.jsonConfig.getLong( "fileMaxSize" ) );
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conf.put( "allowFiles", this.getArray( "fileAllowFiles" ) );
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conf.put( "fieldName", this.jsonConfig.getString( "fileFieldName" ) );
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savePath = this.jsonConfig.getString( "filePathFormat" );
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break;
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case ActionMap.UPLOAD_IMAGE:
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conf.put( "isBase64", "false" );
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conf.put( "maxSize", this.jsonConfig.getLong( "imageMaxSize" ) );
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conf.put( "allowFiles", this.getArray( "imageAllowFiles" ) );
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conf.put( "fieldName", this.jsonConfig.getString( "imageFieldName" ) );
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savePath = this.jsonConfig.getString( "imagePathFormat" );
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break;
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case ActionMap.UPLOAD_VIDEO:
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conf.put( "maxSize", this.jsonConfig.getLong( "videoMaxSize" ) );
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conf.put( "allowFiles", this.getArray( "videoAllowFiles" ) );
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conf.put( "fieldName", this.jsonConfig.getString( "videoFieldName" ) );
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savePath = this.jsonConfig.getString( "videoPathFormat" );
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break;
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case ActionMap.UPLOAD_SCRAWL:
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conf.put( "filename", ConfigManager.SCRAWL_FILE_NAME );
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conf.put( "maxSize", this.jsonConfig.getLong( "scrawlMaxSize" ) );
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conf.put( "fieldName", this.jsonConfig.getString( "scrawlFieldName" ) );
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conf.put( "isBase64", "true" );
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savePath = this.jsonConfig.getString( "scrawlPathFormat" );
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break;
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case ActionMap.CATCH_IMAGE:
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conf.put( "filename", ConfigManager.REMOTE_FILE_NAME );
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conf.put( "filter", this.getArray( "catcherLocalDomain" ) );
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conf.put( "maxSize", this.jsonConfig.getLong( "catcherMaxSize" ) );
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conf.put( "allowFiles", this.getArray( "catcherAllowFiles" ) );
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conf.put( "fieldName", this.jsonConfig.getString( "catcherFieldName" ) + "[]" );
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savePath = this.jsonConfig.getString( "catcherPathFormat" );
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break;
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case ActionMap.LIST_IMAGE:
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conf.put( "allowFiles", this.getArray( "imageManagerAllowFiles" ) );
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conf.put( "dir", this.jsonConfig.getString( "imageManagerListPath" ) );
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conf.put( "count", this.jsonConfig.getInt( "imageManagerListSize" ) );
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break;
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case ActionMap.LIST_FILE:
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conf.put( "allowFiles", this.getArray( "fileManagerAllowFiles" ) );
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conf.put( "dir", this.jsonConfig.getString( "fileManagerListPath" ) );
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conf.put( "count", this.jsonConfig.getInt( "fileManagerListSize" ) );
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break;
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}
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conf.put( "savePath", savePath );
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conf.put( "rootPath", this.rootPath );
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return conf;
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}
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private void initEnv () throws FileNotFoundException, IOException {
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File file = new File( this.originalPath );
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if ( !file.isAbsolute() ) {
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file = new File( file.getAbsolutePath() );
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}
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this.parentPath = file.getParent();
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String configContent = this.readFile( this.getConfigPath() );
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try{
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JSONObject jsonConfig = new JSONObject( configContent );
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this.jsonConfig = jsonConfig;
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} catch ( Exception e ) {
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this.jsonConfig = null;
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}
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}
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private String getConfigPath () {
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return this.parentPath + File.separator + ConfigManager.configFileName;
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}
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private String[] getArray ( String key ) {
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JSONArray jsonArray = this.jsonConfig.getJSONArray( key );
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String[] result = new String[ jsonArray.length() ];
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for ( int i = 0, len = jsonArray.length(); i < len; i++ ) {
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result[i] = jsonArray.getString( i );
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}
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return result;
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}
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private String readFile ( String path ) throws IOException {
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StringBuilder builder = new StringBuilder();
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try {
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InputStreamReader reader = new InputStreamReader( new FileInputStream( path ), "UTF-8" );
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BufferedReader bfReader = new BufferedReader( reader );
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String tmpContent = null;
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while ( ( tmpContent = bfReader.readLine() ) != null ) {
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builder.append( tmpContent );
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}
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bfReader.close();
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} catch ( UnsupportedEncodingException e ) {
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// 忽略
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}
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return this.filter( builder.toString() );
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}
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// 过滤输入字符串, 剔除多行注释以及替换掉反斜杠
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private String filter ( String input ) {
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return input.replaceAll( "/\\*[\\s\\S]*?\\*/", "" );
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}
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}
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