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index.ts
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import * as JasperUtils from "./jasper-utils";
var java = null,
fs = require('fs'),
path = require('path'),
extend = require('extend'),
util = require('util'),
temp = require('temp'),
async = require('async');
var defaults = { reports: {}, drivers: {}, conns: {}, tmpPath: '/tmp' };
function walk(dir: string, done: (err: any, results?: string[]) => void) {
var results = [];
let list = [];
let err = undefined;
try {
list = fs.readdirSync(dir);
} catch (error) {
err = error;
}
if (err) return done(err);
var pending = list.length;
if (!pending) return done(null, results);
list.forEach(function (file) {
file = path.join(dir, file);
let stat = undefined;
try {
stat = fs.statSync(file);
} catch (error) {
stat = undefined;
}
if (stat && stat.isDirectory()) {
walk(file, function (err, res) {
results = results.concat(res);
if (!--pending) done(null, results);
});
} else {
results.push(file);
if (!--pending) done(null, results);
}
});
};
export interface ParametersJASPER {
[key: string]: {
type: string,
description: string | null,
defaultValue: any,
isForPrompting: boolean,
properties: {
[key: string]: string
}
}
}
export interface options_reports {
jasper?: string, //Path to jasper file,
jrxml?: string, //Path to jrxml file,
conn?: string, //Connection name, definition object or false (if false defaultConn won't apply)
data?: any, //Data to be applied to the report
}
export interface options_drivers {
path: string, //Path to jdbc driver jar
class: string, //Class name of the
type: string //Type of database (mysql, postgres)
}
export interface options_conns {
host?: string, //Database hostname or IP
port?: string, //Database Port
dbname?: string, //Database Name
user: string, //User Name
pass: string, //User Password
jdbc?: string, //jdbc connection string
driver: string//name or definition of the driver for this conn
}
export interface options {
path?: string, //Path to jasperreports-x.x.x-project directory
tmpPath?: string, // Path to a folder for storing compiled report files
reports: {
// Report Definition
[key: string]: options_reports
},
drivers: {
// Driver Definition
[key: string]: options_drivers
},
conns: {
// Connection Definition
[key: string]: options_conns
},
defaultConn: string, //Default Connection name
java: string[]//Array of java options, for example ["-Djava.awt.headless=true"]
javaInstance?: any, //Instance of java
debug?: 'ALL' | 'TRACE' | 'DEBUG' | 'INFO' | 'WARN' | 'ERROR' | 'FATAL' | 'OFF' | 'off' //Debug level
}
export interface options_report {
report: string | options_reports | Function, //Report name, definition object or function that returns a report name or definition
data?: any, //Data to be applied to the report
override?: any, //Override report definition
dataset?: any, //Dataset to be used in the report
query?: string //Query to be used in the report
}
class JasperTS {
private options: options;
private parentPath: string;
private dm: any;
private jreds: any;
private jrjsonef: any;
private jbais: any;
private jcm: any;
private jrp: any;
private jrl: any;
private hm: any;
private jfm: any;
private jem: any;
private loc: any;
private tmpPath: string;
private defaultConn: string;
private validConnections = {};
private drivers: { [key: string]: options_drivers };
private conns: { [key: string]: options_conns } = {};
private reports: { [key: string]: options_reports } = {};
constructor(options: options) {
this.options = options;
this.initilizeOptions();
}
private initilizeOptions() {
if (this.options.javaInstance) {
java = this.options.javaInstance
} else {
java = require('java')
}
if (!this.options.path) {
path.dirname(module.filename).split(path.sep).pop() === 'src' ?
this.options.path = path.join(path.dirname(module.filename), '../jar') :
this.options.path = path.join(__dirname, './jar');
} else {
this.options.path = path.resolve(process.cwd(), this.options.path);
}
if (this.options.java) {
if (Array.isArray(this.options.java)) {
this.options.java.forEach(function (javaOption) {
java.options.push(javaOption);
});
}
if (typeof this.options.java == 'string') {
java.options.push(this.options.java);
}
}
var self = this;
self.parentPath = path.dirname(module.filename);
var jrPath = path.resolve(this.options.path || self.parentPath);
async.auto({
jrJars: function (cb: (err: any, results?: string[]) => void) {
if (fs.statSync(path.join(jrPath, 'lib')).isDirectory() && fs.statSync(path.join(jrPath, 'dist')).isDirectory()) {
async.parallel([
function (cb: (err: any, results?: string[]) => void) {
walk(path.join(jrPath, 'dist'), function (err, results) {
cb(err, results);
});
},
function (cb: (err: any, results?: string[]) => void) {
walk(path.join(jrPath, 'lib'), function (err, results) {
cb(err, results);
});
}
], function (err: any, results: string[][]) {
if (err) return cb(err);
var r = results.shift();
results.forEach(function (item) {
r = r.concat(item);
});
cb(null, r);
})
} else {
walk(jrPath, function (err, results) {
cb(err, results);
});
}
},
dirverJars: function (cb: (err: any, results?: string[]) => void) {
var results = [];
if (self.options.drivers) {
for (var i in self.options.drivers) {
results.push(path.resolve(self.parentPath, self.options.drivers[i].path));
}
}
cb(null, results);
},
loadJars: ['jrJars', 'dirverJars', function (cb: () => void, jars: { jrJars: string[], dirverJars: string[] }) {
jars.jrJars.concat(jars.dirverJars).forEach(function (file) {
if (path.extname(file) == '.jar') {
java.classpath.push(file)
}
}
);
cb();
}],
debug: ['loadJars', function (cb: () => void, results: { debug?: string }) {
if (!self.options.debug) self.options.debug = 'off';
var levels = ['ALL', 'TRACE', 'DEBUG', 'INFO', 'WARN', 'ERROR', 'FATAL', 'OFF'];
if (levels.indexOf((self.options.debug + '').toUpperCase()) == -1) self.options.debug = 'DEBUG';
/*
commented because in java 1.8 this causes
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f5caeacbac2, pid=7, tid=0x00007f5caf3c8ae8
#
# JRE version: OpenJDK Runtime Environment (8.0_181-b13) (build 1.8.0_181-b13)
# Java VM: OpenJDK 64-Bit Server VM (25.181-b13 mixed mode linux-amd64 compressed oops)
# Derivative: IcedTea 3.9.0
# Distribution: Custom build (Tue Oct 23 12:48:04 GMT 2018)
# Problematic frame:
# C [nodejavabridge_bindings.node+0x20ac2] javaGetEnv(JavaVM_*, _jobject*)+0xa2
*/
/*
var appender = java.newInstanceSync('org.apache.log4j.ConsoleAppender');
var pattern = java.newInstanceSync('org.apache.log4j.PatternLayout', "%d [%p|%c|%C{1}] %m%n");
appender.setLayout(pattern);
appender.setThreshold(java.getStaticFieldValue("org.apache.log4j.Level", (options.debug+'').toUpperCase()));
appender.activateOptions();
var root = java.callStaticMethodSync("org.apache.log4j.Logger", "getRootLogger");
root.addAppender(appender);
*/
cb();
}],
loadClass: ['loadJars', function (cb: () => void, results: { loadJars: string[] }) {
var cl = java.callStaticMethodSync("java.lang.ClassLoader", "getSystemClassLoader")
for (var i in self.options.drivers) {
cl.loadClassSync(self.options.drivers[i].class).newInstanceSync();
}
cb();
}],
imports: ['loadClass', function (cb: () => void, results: { loadClass: string[] }) {
self.dm = java.import('java.sql.DriverManager');
self.jreds = java.import('net.sf.jasperreports.engine.JREmptyDataSource');
self.jrjsonef = java.import('net.sf.jasperreports.engine.data.JsonDataSource');
self.jbais = java.import('java.io.ByteArrayInputStream');
self.jcm = java.import('net.sf.jasperreports.engine.JasperCompileManager');
self.jrp = java.import('net.sf.jasperreports.engine.JRParameter');
self.jrl = java.import('net.sf.jasperreports.engine.util.JRLoader');
self.hm = java.import('java.util.HashMap');
self.jfm = java.import('net.sf.jasperreports.engine.JasperFillManager');
self.jem = java.import('net.sf.jasperreports.engine.JasperExportManager');
self.loc = java.import('java.util.Locale');
cb();
}]
}, function () {
if (self.ready) {
self.ready();
}
}
);
delete this.options.path;
extend(self, defaults, this.options);
}
ready(f?: () => void) {
var self = this;
self.ready = f;
}
add(name: any, def: any) {
this.reports[name] = def;
}
parseBigDecimal(value: number | string | null | undefined) {
java.import('java.math.BigDecimal');
let vBD = java.newInstanceSync('java.math.BigDecimal', value.toString());
return vBD;
}
docx(report: options_report): Promise<any> {
return this.export(report, 'docx');
}
xlsx(report: options_report): Promise<any> {
return this.export(report, 'xlsx');
}
pptx(report: options_report): Promise<any> {
return this.export(report, 'pptx');
}
pdf(report: options_report): Promise<any> {
return this.export(report, 'pdf');
}
html(report: options_report): Promise<any> {
return this.export(report, 'html');
}
xml(report: options_report, embeddingImages: boolean = true): Promise<any> {
return this.export(report, 'xml', embeddingImages);
}
export(report: options_report, type: "pdf" | "xml" | "html" | "docx" | "xlsx" | "pptx", embeddingImages: boolean = false): Promise<any> {
return new Promise((resolve: (result: any) => void, reject: (reason?: any) => void) => {
if (["pdf", "xml", "html", "docx", "xlsx", "pptx"].indexOf(type) === -1) reject('Invalid type');
try {
var self = this;
if (!type) return;
var _type = type.charAt(0).toUpperCase() + type.toLowerCase().slice(1);
var processReport = function (report: any) {
if (typeof report == 'string') {
return [extend({}, self.reports[report])];
} else if (Array.isArray(report)) {
var ret = [];
report.forEach(function (i) {
ret = ret.concat(processReport(i));
});
return ret;
} else if (typeof report == 'function') {
return processReport(report());
} else if (typeof report == 'object') {
if (!report.data && !report.override) {
report.data = {};
}
if (report.data || report.override) {
var reps = processReport(report.report);
return reps.map(function (i: any) {
if (report.override) {
extend(i, report.override);
}
i.data = report.data;
i.dataset = report.dataset;
i.query = report.query;
return i;
})
} else {
return [report];
}
}
};
var processConn = function (conn: any, item: any) {
if (conn == 'in_memory_json') {
var jsonString = JSON.stringify(item.dataset);
var byteArray = [];
var buffer = Buffer.from(jsonString);
for (var i = 0; i < buffer.length; i++) {
byteArray.push(buffer[i]);
}
byteArray = java.newArray('byte', byteArray);
return new self.jrjsonef(new self.jbais(byteArray), item.query || '');
} else if (typeof conn == 'string') {
conn = self.conns[conn];
} else if (typeof conn == 'function') {
conn = conn();
} else if (conn !== false && self.defaultConn) {
conn = self.conns[self.defaultConn];
}
if (conn) {
if (typeof conn.driver == 'string') {
conn.driver = self.drivers[conn.driver];
}
var connStr = conn.jdbc ? conn.jdbc : 'jdbc:' + conn.driver.type + '://' + conn.host + ':' + conn.port + '/' + conn.dbname;
if (!self.validConnections[connStr] || !self.validConnections[connStr].isValidSync(conn.validationTimeout || 1)) {
self.validConnections[connStr] = self.dm.getConnectionSync(connStr, conn.user, conn.pass);
}
return self.validConnections[connStr];
} else {
return new self.jreds();
}
};
var parseLocale = function (localeString: string) {
var tokens = localeString.split(/[_|-]/);
if (tokens.length > 1) {
return self.loc(tokens[0], tokens[1]);
}
else {
return self.loc(tokens[0]);
}
}
var reports = processReport(report);
var prints = [];
reports.forEach(function (item: options_reports) {
if (!item.jasper && item.jrxml) {
item.jasper = self.compileSync(item.jrxml, self.tmpPath);
}
if (item.jasper) {
var data = null;
if (item.data) {
let params = self.getParametersSync({ jrxml: item.jrxml, jasper: item.jasper });
data = new self.hm();
for (var j in item.data) {
if (j === 'REPORT_LOCALE') {
item.data[j] = parseLocale(item.data[j]);
}
if (params[j] && params[j].type === 'java.math.BigDecimal') {
data.putSync(j, self.parseBigDecimal(item.data[j]));
} else {
data.putSync(j, item.data[j]);
}
}
}
var conn = processConn(item.conn, item);
var p = self.jfm.fillReportSync(path.resolve(self.parentPath, item.jasper), data, conn);
prints.push(p);
}
});
if (prints.length) {
var master = prints.shift();
prints.forEach(function (p) {
var s = p.getPagesSync().sizeSync();
for (var j = 0; j < s; j++) {
master.addPageSync(p.getPagesSync().getSync(j));
}
});
var tempName = temp.path({ suffix: `.${_type.toLowerCase()}` });
if (type === 'docx') {
let docx = java.newInstanceSync("net.sf.jasperreports.engine.export.ooxml.JRDocxExporter");
let parameters = java.import("net.sf.jasperreports.engine.JRExporterParameter");
docx.setParameterSync(parameters.JASPER_PRINT, master);
docx.setParameterSync(parameters.OUTPUT_FILE_NAME, tempName);
docx.exportReportSync();
} else if (type === "xlsx") {
let xlsx = java.newInstanceSync("net.sf.jasperreports.engine.export.ooxml.JRXlsxExporter");
let parameters = java.import("net.sf.jasperreports.engine.JRExporterParameter");
xlsx.setParameterSync(parameters.JASPER_PRINT, master);
xlsx.setParameterSync(parameters.OUTPUT_FILE_NAME, tempName);
xlsx.exportReportSync();
} else if (type === "pptx") {
let pptx = java.newInstanceSync("net.sf.jasperreports.engine.export.ooxml.JRPptxExporter");
let parameters = java.import("net.sf.jasperreports.engine.JRExporterParameter");
pptx.setParameterSync(parameters.JASPER_PRINT, master);
pptx.setParameterSync(parameters.OUTPUT_FILE_NAME, tempName);
pptx.exportReportSync();
} else if (type === 'xml') {
self.jem['exportReportTo' + _type + 'FileSync'](master, tempName, embeddingImages);
} else {
self.jem['exportReportTo' + _type + 'FileSync'](master, tempName);
}
var exp = fs.readFileSync(tempName);
fs.unlinkSync(tempName);
resolve(exp);
}
resolve('');
} catch (error) {
reject(error);
}
});
}
compileJRXMLInDirSync(params: { dir: string, dstFolder?: string | undefined }) {
fs.readdirSync(path.resolve(process.cwd(), params.dir)).forEach((file: string) => {
if (path.extname(file) == '.jrxml') {
this.compileSync(path.resolve(process.cwd(), params.dir, file), params.dstFolder);
}
});
}
compileAllSync(dstFolder?: string | undefined) {
var self = this;
for (var name in self.reports) {
var report = self.reports[name];
if (report.jrxml) {
report.jasper = self.compileSync(report.jrxml, path.resolve(process.cwd(), dstFolder || self.tmpPath));
}
}
}
compileSync(jrxmlFile: string, dstFolder?: string | undefined) {
var self = this;
var name = path.basename(jrxmlFile, '.jrxml');
var file = path.resolve(process.cwd(), path.join(dstFolder || self.tmpPath, name + '.jasper'));
java.callStaticMethodSync(
"net.sf.jasperreports.engine.JasperCompileManager",
"compileReportToFile",
path.resolve(process.cwd(), jrxmlFile), file
);
return file;
}
static compileAllSync(params: { path: string, dstFolder: string | undefined }) {
var filesCompiled = [];
var files = fs.readdirSync(params.path);
files.forEach(function (file: string) {
if (path.extname(file) == '.jrxml') {
var name = path.basename(file, '.jrxml');
filesCompiled.push(JasperTS.compileSync({ pathFile: params.path, jrxmlFile: `${name}.jrxml`, dstFolder: params.dstFolder }));
}
});
return filesCompiled;
}
static compileSync(params: { pathFile: string, jrxmlFile: string, dstFolder: string | undefined }) {
java = require('java');
let pathJar: string | null = null;
path.dirname(module.filename).split(path.sep).pop() === 'src' ?
pathJar = path.join(path.dirname(module.filename), '../jar') :
pathJar = path.join(__dirname, './jar');
walk(pathJar, function (err, results) {
if (err) throw err;
results.forEach(function (file) {
if (path.extname(file) == '.jar') {
java.classpath.push(file);
}
});
});
var name = path.basename(params.jrxmlFile, '.jrxml');
var file = path.join(params.dstFolder || '/tmp', name + '.jasper');
java.callStaticMethodSync(
"net.sf.jasperreports.engine.JasperCompileManager",
"compileReportToFile",
path.resolve(params.pathFile, path.join(params.pathFile, params.jrxmlFile)), file
);
return file;
}
getParametersSync(options: { jrxml?: string, jasper?: string }): ParametersJASPER {
var jasperReport = null;
if (options.jasper) {
jasperReport = java.callStaticMethodSync(
"net.sf.jasperreports.engine.util.JRLoader",
"loadObjectFromFile",
options.jasper
);
} else if (options.jrxml) {
jasperReport = java.callStaticMethodSync(
"net.sf.jasperreports.engine.JasperCompileManager",
"compileReport",
options.jrxml
);
}
var parameters = jasperReport.getParametersSync();
var result = {};
for (var i = 0; i < parameters.length; i++) {
var parameter = parameters[i];
let description = parameter.getDescriptionSync();
let propertieNames = parameter.getPropertiesMapSync().getPropertyNamesSync();
let defaultValue = parameter.getDefaultValueExpressionSync();
let properties = {};
for (var j = 0; j < propertieNames.length; j++) {
properties[propertieNames[j]] = parameter.getPropertiesMapSync().getPropertySync(propertieNames[j]);
}
if (parameter.getValueClassSync().toStringSync().indexOf('class') > -1) {
result[parameter.getNameSync()] = { type: parameter.getValueClassSync().toStringSync().replace('class', '').trim(), defaultValue, description, isForPrompting: parameter.isSystemDefinedSync() ? false : parameter.isForPromptingSync(), properties };
}
}
return result;
}
static getParametersSync(options: { jrxml?: string, jasper?: string }): ParametersJASPER {
java = require('java');
let pathJar: string | null = null;
path.dirname(module.filename).split(path.sep).pop() === 'src' ?
pathJar = path.join(path.dirname(module.filename), '../jar') :
pathJar = path.join(__dirname, './jar');
walk(pathJar, function (err, results) {
if (err) throw err;
results.forEach(function (file) {
if (path.extname(file) == '.jar') {
java.classpath.push(file);
}
});
});
var jasperReport = null;
if (options.jasper) {
jasperReport = java.callStaticMethodSync(
"net.sf.jasperreports.engine.util.JRLoader",
"loadObjectFromFile",
options.jasper
);
} else if (options.jrxml) {
jasperReport = java.callStaticMethodSync(
"net.sf.jasperreports.engine.JasperCompileManager",
"compileReport",
options.jrxml
);
}
var parameters = jasperReport.getParametersSync();
var result = {};
for (var i = 0; i < parameters.length; i++) {
var parameter = parameters[i];
if (parameter.getValueClassSync().toStringSync().indexOf('class') > -1) {
let description = parameter.getDescriptionSync();
let propertieNames = parameter.getPropertiesMapSync().getPropertyNamesSync();
let defaultValue = parameter.getDefaultValueExpressionSync();
let properties = {};
for (var j = 0; j < propertieNames.length; j++) {
properties[propertieNames[j]] = parameter.getPropertiesMapSync().getPropertySync(propertieNames[j]);
}
result[parameter.getNameSync()] = { type: parameter.getValueClassSync().toStringSync().replace('class', '').trim(), defaultValue, description, isForPrompting: parameter.isSystemDefinedSync() ? false : parameter.isForPromptingSync(), properties };
}
}
return result;
}
static getParametersAllSync(options: { path: string, grouped?: boolean }): ParametersJASPER {
var files = fs.readdirSync(options.path);
var result = {};
files.forEach(function (file: string) {
if (path.extname(file) == '.jrxml') {
var name = path.basename(file, '.jrxml');
var params = JasperTS.getParametersSync({ jrxml: path.join(options.path, file) });
if (options.grouped) {
result = {
...result,
...params
};
} else {
result[name] = params;
}
}
});
return result;
}
toJsonDataSource(dataset: any, query: string) {
var self = this;
var jsonString = JSON.stringify(dataset);
var byteArray = java.newArray('byte', jsonString.split('').map(function (c, i) {
return java.newByte(jsonString.charCodeAt(i));
}));
return new self.jrjsonef(new self.jbais(byteArray), query || '');
}
}
const JasperConfig = (options: options) => new JasperTS(options);
const JasperParameters = JasperTS.getParametersSync;
const JasperParametersFolder = JasperTS.getParametersAllSync;
const JasperCompile = JasperTS.compileSync
const JasperCompileFolder = JasperTS.compileAllSync
export { JasperCompile, JasperConfig, JasperCompileFolder, JasperParameters, JasperParametersFolder, JasperUtils };