systemresources.java

eq跨平台查询工具源码 eq跨平台查询工具源码

            boolean equeryDirExists = false;

            // whether the conf dir exists
            boolean confDirExists = false;
            
            // whether the logs dir exists
            boolean logsDirExists = false;
            
            // whether to copy confg files from old dir
            boolean copyOldFiles = false;
            
            // -------------------------------------------
            // -- Check for ~/.executequery
            // -------------------------------------------
            if (!equeryDir.exists()) {
                equeryDirExists = equeryDir.mkdir();
                // create the conf directory
                confDirExists = confDir.mkdir();
            }            
            // -------------------------------------------
            // -- Check for ~/.executequery/<build_number>
            // -------------------------------------------
            else if (!confDir.exists()) {
                confDirExists = confDir.mkdir();
                copyOldFiles = true;
            }
            else { // they exist
                equeryDirExists = true;
                confDirExists = true;
            }

            String newConfPath = confDir.getAbsolutePath() + fileSeparator;
            
            int lastBuildNumber = -1;
            if (copyOldFiles) {
                // check for old conf build number dirs
                int currentBuild = Integer.parseInt(
                        System.getProperty("executequery.build"));
                File[] dirs = equeryDir.listFiles();
                for (int i = 0; i < dirs.length; i++) {
                    String name = dirs[i].getName();
                    if (MiscUtils.isValidNumber(name)) {
                        int buildNumber = Integer.parseInt(name);
                        if (currentBuild > buildNumber) {
                            lastBuildNumber = Math.max(lastBuildNumber, buildNumber);
                        }
                    }
                }
            }
            
            // if we have a valid last build dir - use it
            File oldConfDir = null;
            if (lastBuildNumber != -1) {
                oldConfDir = new File(eqUserHomeDir + fileSeparator + lastBuildNumber);
            } else {
                // otherwise check for old format ~/.executequery/conf
                oldConfDir = new File(eqUserHomeDir + fileSeparator + "conf");
            }
            
            // if an old conf dir exists, move relevant
            // files to the new build number dir

            if (copyOldFiles && oldConfDir.exists()) {
                String oldFromPath = oldConfDir.getAbsolutePath();
                String[] oldFiles = {"eq.shortcuts.properties",
                                     "eq.user.properties",
                                     "jdbcdrivers.xml",
                                     "lookandfeel.xml",
                                     //"toolbars.xml",
                                     "print.setup",
                                     "savedconnections.xml",
                                     "sql.user.keywords"};

                File file = null;
                // move the above files to the new build dir
                for (int i = 0; i < oldFiles.length; i++) {
                    file = new File(oldFromPath, oldFiles[i]);
                    if (file.exists()) {
                        String path1 = file.getAbsolutePath();
                        file = new File(confDir, oldFiles[i]);
                        String path2 = file.getAbsolutePath();
                        FileUtils.copyFile(path1, path2);
                    }
                }

            }
            
            if (!logsDir.exists()) {
                logsDirExists = logsDir.mkdir();
            }
            
            if (!equeryDirExists && !confDirExists && !logsDirExists) {
                GUIUtilities.displayErrorMessage(
                   "Error creating profile in user's home directory.\nExiting.");
                System.exit(0);
            }
            
            boolean created = false;

            // -------------------------------------------
            // -- Check for ~/.executequery/conf/sql.user.keywords
            // -------------------------------------------
            File props = new File(confDir, "sql.user.keywords");
            
            // create the user defined keywords file
            if (!props.exists()) {
                created = props.createNewFile();
            } else {
                created = true;
            }

            if (!created) {
                return false;
            }
            
            // -------------------------------------------
            // -- Check for ~/.executequery/conf/eq.user.properties
            // -------------------------------------------
            props = new File(confDir, "eq.user.properties");
            
            if (!props.exists()) {
                Log.debug("Creating user properties file eq.user.properties");
                created = props.createNewFile();
            } else {
                created = true;
            }
            
            if (!created) {
                return false;
            }
            
            // -------------------------------------------
            // -- Check for ~/.executequery/conf/jdbcdrivers.xml
            // -------------------------------------------
            props = new File(confDir, "jdbcdrivers.xml");
            if (!props.exists()) {
                Log.debug("Creating user properties file jdbcdrivers.xml");
                FileUtils.copyResource(
                        "org/executequery/jdbcdrivers-default.xml",
                        newConfPath + "jdbcdrivers.xml");
                props = new File(confDir, "jdbcdrivers.xml");
                created = props.exists();
            } else {
                created = true;
            }
            
            if (!created) {
                return false;
            }
            
            // -------------------------------------------
            // -- Check for ~/.executequery/conf/lookandfeel.xml
            // -------------------------------------------
            props = new File(confDir, "lookandfeel.xml");
            if (!props.exists()) {
                Log.debug("Creating user properties file lookandfeel.xml");
                FileUtils.copyResource(
                            "org/executequery/lookandfeel-default.xml",
                            newConfPath + "lookandfeel.xml");
                props = new File(confDir, "lookandfeel.xml");
                created = props.exists();
            } else {
                created = true;
            }
            
            if (!created) {
                return false;
            }
            
            // -------------------------------------------
            // -- Check for ~/.executequery/conf/savedconnections.xml
            // -------------------------------------------
            props = new File(confDir, "savedconnections.xml");
            if (!props.exists()) {
                Log.debug("Creating user properties file savedconnections.xml");
                FileUtils.copyResource(
                            "org/executequery/savedconnections-default.xml",
                            newConfPath + "savedconnections.xml");
                props = new File(confDir, "savedconnections.xml");
                created = props.exists();
            } else {
                created = true;
            }
            
            if (!created) {
                return false;
            }
            
            // -------------------------------------------
            // -- Check for ~/.executequery/conf/toolbars.xml
            // -------------------------------------------
            props = new File(confDir, "toolbars.xml");
            
            if (!props.exists()) {
                Log.debug("Creating user properties file toolbars.xml");
                FileUtils.copyResource(
                            "org/executequery/toolbars-default.xml", 
                            newConfPath + "toolbars.xml");
                props = new File(confDir, "toolbars.xml");
                created = props.exists();
            } else {
                created = true;
            }

            return created;
            
        }
        
        catch (IOException exc) {
            exc.printStackTrace();
            GUIUtilities.displayErrorMessage(
                 "Error creating profile in user's home directory.\nExiting.");
            return false;
        }
        
    }
   
}