/** ** Reads/returns the specified CompileTime template file */ private static String readTemplate(File tf, String pkgName) { /* read template data */ byte templData[] = FileTools.readFile(tf); if (templData == null) { Print.errPrintln("\nUnable to read Input/Template file: " + tf); return null; } else if (templData.length == 0) { Print.errPrintln("\nInput/Template file is empty: " + tf); return null; } /* return template String */ String templateText = StringTools.toStringValue(templData); if (!StringTools.isBlank(pkgName) && !StringTools.isBlank(templateText)) { String lines[] = StringTools.split(templateText, '\n', false); for (int i = 0; i < lines.length; i++) { if (lines[i].trim().startsWith(JAVA_PACKAGE_)) { lines[i] = CompiletimeVars.packageLine(pkgName); return StringTools.join(lines, '\n') + "\n"; } } StringBuffer sb = new StringBuffer(); sb.append(CompiletimeVars.packageLine(pkgName)).append("\n"); sb.append(templateText); return sb.toString(); } else { return templateText; } }
/** ** Return the standard "CompileTime.java" template */ private static String standardTemplate(String tn, String pkgName) { /* not a standard template specification? */ if (!StringTools.isBlank(tn) && !tn.startsWith(TEMPLATE_)) { Print.errPrintln("\nNot a Standard Template specification: " + tn); return null; } /* set default standard template name */ if (StringTools.isBlank(tn) || tn.equals(TEMPLATE_)) { tn = TEMPLATE_DEFAULT; } /* default/CompileTimestamp template */ if (tn.equalsIgnoreCase(TEMPLATE_DEFAULT)) { StringBuffer sb = new StringBuffer(); sb.append(CompiletimeVars.packageLine(pkgName)).append("\n"); sb.append("public class CompileTime\n"); sb.append("{\n"); sb.append(" // %{datetime=0000/00/00 00:00:00 GMT}\n"); sb.append( " public static final String SERVICE_ACCOUNT_ID = \"%{ServiceAccount.ID=}\";\n"); sb.append( " public static final String SERVICE_ACCOUNT_NAME = \"%{ServiceAccount.Name=}\";\n"); sb.append( " public static final String SERVICE_ACCOUNT_HASH = \"%{ServiceAccount.ID.md5}\";\n"); sb.append( " public static final String SERVICE_ACCOUNT_KEY = \"%{ServiceAccount.Key=}\";\n"); sb.append(" public static final long COMPILE_TIMESTAMP = %{timestamp=0}L;\n"); sb.append( " public static final String COMPILE_DATETIME = \"%{date=0000/00/00} %{time=00:00:00} %{timezone=GMT}\";\n"); sb.append(" public static final long COMPILE_SEED = %{random.64}L;\n"); sb.append("}\n"); return sb.toString(); } /* standard template not found */ Print.errPrintln("\nStandard Template name not found: " + tn); return null; }
/** ** Main entry point for testing/debugging ** @param argv Comand-line arguments */ public static void main(String argv[]) { RTConfig.setCommandLineArgs(argv); /* help */ if (RTConfig.hasProperty(ARG_HELP)) { _usage(); System.exit(1); // control does not reach here } /* extra args */ String extraArgs = RTConfig.getString(ARG_EXTRA, ""); if (!StringTools.isBlank(extraArgs)) { // Print.logInfo("Extra: " + extraArgs); RTProperties cfgProps = RTConfig.getConfigFileProperties(); if (extraArgs.indexOf(",") > 0) { cfgProps.setProperties(extraArgs, ','); } else { cfgProps.setProperties(extraArgs); } // cfgProps.printProperties(""); } /* special case "expire" */ String ARG_EXPIRE = "expire"; RTProperties expireRTP = RTConfig.getPropertiesForKey(ARG_EXPIRE, false); if (expireRTP != null) { Print.errPrintln("\n'expire' cannot be defined."); System.exit(1); } /* args */ File directory = RTConfig.getFile(ARG_DIR, null); String templateName = StringTools.trim(RTConfig.getString(ARG_OPTIONAL, RTConfig.getString(ARG_TEMPLATE, ""))); boolean isOptional = RTConfig.hasProperty(ARG_OPTIONAL); String packageName = StringTools.trim(RTConfig.getString(ARG_PACKAGE, null)); String outputName = RTConfig.getString(ARG_OUTPUT, ""); boolean overwrite = RTConfig.getBoolean(ARG_OVERWRITE, false); /* cannot specify "-output=inline" if internal template specified */ if (StringTools.isBlank(outputName) || outputName.equalsIgnoreCase("stdout")) { // -- output will be to "stdout" outputName = ""; } else if (outputName.equalsIgnoreCase("inline")) { // -- output will be to input file if (templateName.startsWith(TEMPLATE_)) { // -- @template not allowed with "inline" Print.errPrintln("\nError: Cannot specify '-output=inline' with internal template"); _usage(); System.exit(1); // control does not reach here } else if (isOptional) { // -- optional not allowed with "inline" Print.errPrintln("\nError: Cannot specify '-output=inline' with optional template"); _usage(); System.exit(1); // control does not reach here } else if (!templateName.startsWith("*")) { // -- output to input file outputName = templateName; } } else { // -- output to specified file if (templateName.startsWith("*")) { // -- template specifies a file-glob Print.errPrintln( "\nError: Cannot specify '-output=FILE' for recursize template specification"); _usage(); System.exit(1); // control does not reach here } } /* template name file? */ if (templateName.startsWith("*")) { if (isOptional) { // -- optional not allowed with glob file specification Print.errPrintln("\nError: Cannot specify optional '-template?=[**/]*.java'"); _usage(); System.exit(1); // control does not reach here } } else { File file = (directory != null) ? new File(directory, templateName) : new File(templateName); if (!file.isFile() && isOptional) { // -- templateName doesn't exist and is optional templateName = TEMPLATE_DEFAULT; } } /* random */ Random rand = new Random(); if (!RTConfig.hasProperty("random.16")) { RTConfig.setString("random.16", "0x" + StringTools.toHexString(rand.nextInt() & 0xFFFF, 16)); } if (!RTConfig.hasProperty("random.32")) { RTConfig.setString("random.32", "0x" + StringTools.toHexString(rand.nextInt(), 32)); } if (!RTConfig.hasProperty("random.64")) { RTConfig.setString("random.64", "0x" + StringTools.toHexString(rand.nextLong(), 64)); } /* set current time (subject to change) */ String tzStr = RTConfig.getString("timezone", null); TimeZone tz = !StringTools.isBlank(tzStr) ? DateTime.getTimeZone(tzStr) : DateTime.getDefaultTimeZone(); DateTime now = new DateTime(tz); if (!RTConfig.hasProperty("timetamp")) { RTConfig.setLong("timestamp", now.getTimeSec()); } if (!RTConfig.hasProperty("datetime")) { RTConfig.setString("datetime", now.format("yyyy/MM/dd HH:mm:ss z")); } if (!RTConfig.hasProperty("date")) { RTConfig.setString("date", now.format("yyyy/MM/dd")); } if (!RTConfig.hasProperty("time")) { RTConfig.setString("time", now.format("HH:mm:ss")); } if (!RTConfig.hasProperty("timezone")) { RTConfig.setString("timezone", now.format("z")); } /* special case "daysUntil" */ // %{daysUntil=2012:02:20} <== fixed time String ARG_daysUntil_ = "daysUntil"; Set<String> daysUntil_keys = RTConfig.getPropertyKeys(ARG_daysUntil_, false); for (String daysUntil_key : daysUntil_keys) { String daysUntil_key_date = daysUntil_key + ".date"; RTProperties daysUntilRTP = RTConfig.getPropertiesForKey(daysUntil_key, false); if (daysUntilRTP != null) { // -- get/update the RTProperties where "daysUntil" is defined String daysUntil = daysUntilRTP.getString(daysUntil_key, ""); if (StringTools.isBlank(daysUntil)) { // -- remove keys daysUntilRTP.removeProperty(daysUntil_key); daysUntilRTP.removeProperty(daysUntil_key_date); // Print.sysPrintln(daysUntil_key + " ==> <removed>"); // Print.sysPrintln(daysUntil_key_date + " ==> <removed>"); } else if ((daysUntil.indexOf("/") >= 0) || (daysUntil.indexOf(":") >= 0)) { // -- Change "yyyy:mm:dd" to "DD" // Note: The ':' separator should be used instead of '/', because "2010/10/01" is // syntactically correct (ie. division) and can be compiled into a valid value, // while "2010:10:01" is not, and will be caught by the compiler. if (daysUntil.startsWith("'") || daysUntil.startsWith("\"")) { daysUntil = daysUntil.substring(1); // remove prefixing quote } if (daysUntil.endsWith("'") || daysUntil.endsWith("\"")) { daysUntil = daysUntil.substring(0, daysUntil.length() - 1); // remove trailing quote } try { DateTime nowDT = new DateTime(DateTime.getGMTTimeZone()); DateTime futDT = DateTime.parseArgumentDate(daysUntil, null, true); long nowDay = DateTime.getDayNumberFromDate(nowDT); long futDay = DateTime.getDayNumberFromDate(futDT); long deltaD = futDay - nowDay; if (deltaD == 0L) { // -- today deltaD = 1L; // make it tomorrow } else if (deltaD < 0L) { // -- this means that the date has already passed // deltaD = -1L; // already negative } else { deltaD += 1L; // add one more day } daysUntilRTP.setString(daysUntil_key, String.valueOf(deltaD)); daysUntilRTP.setString(daysUntil_key_date, futDT.format(DateTime.DEFAULT_DATE_FORMAT)); } catch (DateTime.DateParseException dpe) { Print.logException("Unable to parse Date: " + daysUntil, dpe); System.exit(1); } // Print.sysPrintln(daysUntil_key + " ==> " + daysUntilRTP.getString(daysUntil_key // ,"?")); // Print.sysPrintln(daysUntil_key_date + " ==> " + // daysUntilRTP.getString(daysUntil_key_date,"?")); } else { long futSec = DateTime.getCurrentTimeSec() + DateTime.DaySeconds(StringTools.parseLong(daysUntil, 0L)); daysUntilRTP.setString( daysUntil_key_date, (new DateTime(futSec)).format(DateTime.DEFAULT_DATE_FORMAT)); // Print.sysPrintln(daysUntil_key + " ==> " + daysUntilRTP.getString(daysUntil_key // ,"?")); // Print.sysPrintln(daysUntil_key_date + " ==> " + // daysUntilRTP.getString(daysUntil_key_date,"?")); } } } /* special case "daysFromNow" */ // %{daysFromNow=30} <== 30 days from now String ARG_daysFromNow_ = "daysFromNow"; Set<String> daysFromNow_keys = RTConfig.getPropertyKeys(ARG_daysFromNow_, false); for (String daysFromNow_key : daysFromNow_keys) { String daysFromNow_key_date = daysFromNow_key + ".date"; RTProperties daysFromNowRTP = RTConfig.getPropertiesForKey(daysFromNow_key, false); if (daysFromNowRTP != null) { // -- get/update the RTProperties where "daysFromNow" is defined String daysFromNow = daysFromNowRTP.getString(daysFromNow_key, ""); if (StringTools.isBlank(daysFromNow)) { // -- remove keys daysFromNowRTP.removeProperty(daysFromNow_key); daysFromNowRTP.removeProperty(daysFromNow_key_date); // Print.sysPrintln(daysFromNow_key + " ==> <removed>"); // Print.sysPrintln(daysFromNow_key_date + " ==> <removed>"); } else { long futSec = DateTime.getCurrentTimeSec() + DateTime.DaySeconds(StringTools.parseLong(daysFromNow, 0L)); daysFromNowRTP.setString(daysFromNow_key, String.valueOf(futSec)); daysFromNowRTP.setString( daysFromNow_key_date, (new DateTime(futSec)).format(DateTime.DEFAULT_DATE_FORMAT)); // Print.sysPrintln(daysFromNow_key + " ==> " + // daysFromNowRTP.getString(daysFromNow_key ,"?")); // Print.sysPrintln(daysFromNow_key_date + " ==> " + // daysFromNowRTP.getString(daysFromNow_key_date,"?")); } } } /* special case "secondsUntil" */ // %{secondsUntil_abc=2012:02:20} <== fixed time // %{secondsUntil_abc=86400} <== relative time (86400 seconds from now) String ARG_secondsUntil_ = "secondsUntil"; Set<String> secUntil_keys = RTConfig.getPropertyKeys(ARG_secondsUntil_, false); for (String secUntil_key : secUntil_keys) { String secUntil_key_date = secUntil_key + ".date"; RTProperties secUntilRTP = RTConfig.getPropertiesForKey(secUntil_key, false); if (secUntilRTP != null) { // -- get/update the RTProperties where "secondsUntil" is defined String secUntil = secUntilRTP.getString(secUntil_key, ""); if (StringTools.isBlank(secUntil)) { // remove keys secUntilRTP.removeProperty(secUntil_key); secUntilRTP.removeProperty(secUntil_key_date); // Print.sysPrintln(secUntil_key + " ==> <removed>"); // Print.sysPrintln(secUntil_key_date + " ==> <removed>"); } else if ((secUntil.indexOf("/") >= 0) || (secUntil.indexOf(":") >= 0)) { // -- Change "yyyy:mm:dd:HH:MM:SS" to "ssssss" // Note: The ':' separator should be used instead of '/', because "2010/10/01" is // syntactically correct (ie. division) and can be compiled into a valid value, // while "2010:10:01" is not, and will be caught by the compiler. if (secUntil.startsWith("'") || secUntil.startsWith("\"")) { secUntil = secUntil.substring(1); // remove prefixing quote } if (secUntil.endsWith("'") || secUntil.endsWith("\"")) { secUntil = secUntil.substring(0, secUntil.length() - 1); // remove trailing quote } try { long nowSec = DateTime.getCurrentTimeSec(); DateTime futDT = DateTime.parseArgumentDate(secUntil, null, true); long futSec = futDT.getTimeSec(); long deltaS = futSec - nowSec; if (deltaS == 0L) { // -- now deltaS = 1L; // make it 1 second from now } else if (deltaS < 0L) { // -- this means that the time has already passed // deltaS = -1L; // already negative } else { deltaS += 1L; // add one more second } secUntilRTP.setString(secUntil_key, String.valueOf(deltaS)); secUntilRTP.setString(secUntil_key_date, futDT.toString()); } catch (DateTime.DateParseException dpe) { Print.logException("Unable to parse Date: " + secUntil, dpe); System.exit(1); } // Print.sysPrintln(secUntil_key + " ==> " + secUntilRTP.getString(secUntil_key // ,"?")); // Print.sysPrintln(secUntil_key_date + " ==> " + // secUntilRTP.getString(secUntil_key_date,"?")); } else { long futSec = DateTime.getCurrentTimeSec() + StringTools.parseLong(secUntil, 0L); secUntilRTP.setString(secUntil_key_date, (new DateTime(futSec)).toString()); // Print.sysPrintln(secUntil_key + " ==> " + secUntilRTP.getString(secUntil_key // ,"?")); // Print.sysPrintln(secUntil_key_date + " ==> " + // secUntilRTP.getString(secUntil_key_date,"?")); } } } /* special case "secondsFromNow" */ // %{secondsFromNow=30} <== 30 seconds from now String ARG_secondsFromNow_ = "secondsFromNow"; Set<String> secondsFromNow_keys = RTConfig.getPropertyKeys(ARG_secondsFromNow_, false); for (String secondsFromNow_key : secondsFromNow_keys) { String secondsFromNow_key_date = secondsFromNow_key + ".date"; RTProperties secondsFromNowRTP = RTConfig.getPropertiesForKey(secondsFromNow_key, false); if (secondsFromNowRTP != null) { // -- get/update the RTProperties where "secondsFromNow" is defined String secondsFromNow = secondsFromNowRTP.getString(secondsFromNow_key, ""); if (StringTools.isBlank(secondsFromNow)) { // -- remove keys secondsFromNowRTP.removeProperty(secondsFromNow_key); secondsFromNowRTP.removeProperty(secondsFromNow_key_date); // Print.sysPrintln(secondsFromNow_key + " ==> <removed>"); // Print.sysPrintln(secondsFromNow_key_date + " ==> <removed>"); } else { long futSec = DateTime.getCurrentTimeSec() + StringTools.parseLong(secondsFromNow, 0L); secondsFromNowRTP.setString(secondsFromNow_key, String.valueOf(futSec)); secondsFromNowRTP.setString( secondsFromNow_key_date, (new DateTime(futSec)).format(DateTime.DEFAULT_DATE_FORMAT)); // Print.sysPrintln(secondsFromNow_key + " ==> " + // secondsFromNowRTP.getString(secondsFromNow_key ,"?")); // Print.sysPrintln(secondsFromNow_key_date + " ==> " + // secondsFromNowRTP.getString(secondsFromNow_key_date,"?")); } } } /* special case "limit" */ String ARG_limit_ = "limit"; Set<String> limit_keys = RTConfig.getPropertyKeys(ARG_limit_, false); for (String limit_key : limit_keys) { RTProperties limitRTP = RTConfig.getPropertiesForKey(limit_key, false); if (limitRTP != null) { String limit = limitRTP.getString(limit_key, ""); if (StringTools.isBlank(limit)) { limitRTP.removeProperty(limit_key); // Print.sysPrintln(limit_key + " ==> <removed>"); } else { // Print.sysPrintln(limit_key + " ==> " + limit); } } } /* adjust packageName */ if (packageName.equals(JAVA_PACKAGE)) { Print.errPrintln( "\nWarning: 'package' argument cannot equal \"package\" (setting to empty string)."); packageName = ""; } // -------------------------------------- /* internal template (single pass only) */ if (StringTools.isBlank(templateName) || templateName.startsWith(TEMPLATE_)) { try { // -- input source String inputSource = standardTemplate(templateName, packageName); if (StringTools.isBlank(inputSource)) { if (isOptional) { // -- optional "templateName" not defined, use default template inputSource = standardTemplate(null, packageName); // non-blank } else { throw new IOException("Standard template not found: " + templateName); } } // -- write template output File outputFile = CompiletimeVars.getOutputFile(directory, outputName, overwrite); CompiletimeVars.writeOutputSource(inputSource, outputFile); } catch (NoOverwriteException noe) { // -- outputFile exists, quietly ignore Print.sysPrintln(noe.getMessage()); System.exit(0); } catch (IOException ioe) { // -- error writin file Print.errPrintln("\nError writing template: " + ioe.getMessage()); System.exit(1); } System.exit(0); } // -------------------------------------- /* get input file(s) */ File inputFileArray[] = null; if (templateName.startsWith("**/*.")) { // -- all files, in all directories (recursive) String fileGlob = templateName.substring(3); File files[] = FileTools.getFiles(directory, fileGlob, true); inputFileArray = files; } else if (templateName.startsWith("*.")) { // -- all files in specified directory String fileGlob = templateName; File files[] = FileTools.getFiles(directory, fileGlob, false); inputFileArray = files; } else { // -- single specific file File file = (directory != null) ? new File(directory, templateName) : new File(templateName); inputFileArray = new File[] {file}; } /* loop through input files */ boolean singlePass = false; for (File inputFile : inputFileArray) { /* file must exist here */ if (!inputFile.isFile()) { // -- not a file continue; } /* get input source from template file */ String inputSource = CompiletimeVars.readTemplate(inputFile, packageName); if (StringTools.isBlank(inputSource)) { // -- inputSource not available? continue; } /* precheck output file */ File outputFile = null; try { if (StringTools.isBlank(outputName) || outputName.equalsIgnoreCase("stdout")) { // -- output to stdout (multi-pass ok) } else if (outputName.equalsIgnoreCase("inline")) { // -- write back to template file (multi-pass ok) overwrite = true; // assume implied overwrite outputFile = inputFile; } else { // -- output to specified file (single-pass only) outputFile = getOutputFile(directory, outputName, overwrite); singlePass = true; } } catch (NoOverwriteException noe) { // -- outputFile exists, quietly ignore Print.sysPrintln(noe.getMessage()); System.exit(0); } catch (IOException ioe) { Print.errPrintln("\nInvalid output file: " + ioe.getMessage()); System.exit(1); } /* adjust source and write output */ try { CompiletimeVars.writeOutputSource(inputSource, outputFile); if (singlePass) { break; } } catch (IOException ioe) { Print.errPrintln("\nError writing file: " + ioe.getMessage()); System.exit(1); } } /* success */ System.exit(0); }
/** ** Apply conditionals to specified source */ public static String getConditionalSource(String outputText) { // - must have at least one "//#" in this template // - This conditional line-inclusion checker is not designed to be a comprehensive // precompiler, but just a simple single-level pre-compile-time template processor. // - Will not process conditionals if no 'if' is found // - The String " #" is not allow in a specified value (ambiguous with invalid comment) // - Does NOT currently support nested IF..ELSE..ENDIF !!! // - Prefixing spaces are allowed // - If anything other than a spece preceeds the '//#' the conditional will be ignored /* exit now if "//#" is not present in template */ if (outputText.indexOf(COND_) < 0) { return outputText; } /* convert to lines */ String s[] = StringTools.parseStringArray(outputText, "\n", false); // "\r\n" /* loop through code, replacing conditional code */ StringBuffer sb = new StringBuffer(); int ifLevel = 0; boolean saveLine = true; boolean okSave = true; checkConditional: for (int i = 0; i < s.length; i++) { /* current line contains conditional? */ if (s[i].indexOf(COND_) >= 0) { // -- this line contains "//#" String S = s[i].trim(); // remove leading space // -- remove any trailing comments; ## this is a comment int c = S.indexOf(COND_COMMENT); if (c > 0) { S = S.substring(0, c).trim(); } // -- look for IF..ELSE..ENDIF if (S.startsWith(COND_U_IF) || S.startsWith(COND_L_IF)) { // //#IF [key[=value]] if (ifLevel > 0) { // -- already encounted an "if" Print.errPrintln("\nNested 'if' encountered"); okSave = false; break checkConditional; } String cond = S.substring(COND_U_IF.length()).trim(); int p = cond.indexOf("="); String key = (p >= 0) ? cond.substring(0, p).trim() : cond.trim(); String val = (p >= 0) ? cond.substring(p + 1).trim() : null; if (StringTools.isBlank(key)) { // //#IF // -- no condition, assume "true" saveLine = true; } else if (val == null) { // //#IF [!]key // //#IF [!]true // //#IF [!]false // -- check for prefixing "!" boolean not = false; if (key.startsWith("!")) { not = true; key = key.substring(1); } // -- parse boolean boolean bool = false; if (key.equalsIgnoreCase("true")) { bool = true; } else if (key.equalsIgnoreCase("false")) { bool = false; } else { bool = RTConfig.getBoolean(key, false); } // -- save line? saveLine = not ? !bool : bool; } else { // //#IF key=value // -- compare key=value (case insensitive) // -- compare key==value (case sensitive) String rtpVal = RTConfig.getString(key, "").trim(); if (val.indexOf(" #") >= 0) { Print.errPrintln("\nValue contains invalid comment specification: " + val); okSave = false; break checkConditional; } if (val.startsWith("=")) { // -- case-sensitive compare saveLine = val.substring(1).equals(rtpVal); } else { // -- case-insensitive compare saveLine = val.equalsIgnoreCase(rtpVal); } } ifLevel++; continue; } else if (S.startsWith(COND_U_ELSE) || S.startsWith(COND_L_ELSE)) { // //#ELSE if (ifLevel <= 0) { // -- found an 'ELSE' without a previous 'IF' Print.errPrintln("\n'ELSE' without 'IF' encountered"); okSave = false; break checkConditional; } saveLine = !saveLine; continue; } else if (S.startsWith(COND_U_ENDIF) || S.startsWith(COND_L_ENDIF)) { // //#ENDIF if (ifLevel <= 0) { // -- found an 'ENDIF' without a previous 'IF' Print.errPrintln("\n'ENDIF' without 'IF' encountered"); okSave = false; break checkConditional; } ifLevel--; saveLine = true; continue; } else if (S.startsWith(COND_)) { // //#??? Print.errPrintln("\nUnrecognized conditional: " + S); continue; } else { // -- embedded '//#' } } /* save current line? */ if (saveLine) { sb.append(s[i]).append("\n"); } } /* save if no errors */ if (okSave) { outputText = sb.toString(); } else { Print.errPrintln("\nConditional code ignored due to previous errors"); } return outputText; }