59 lines
1.9 KiB
Java
59 lines
1.9 KiB
Java
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
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/* vim: set ts=2: */
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package com.sheetjs;
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import java.lang.Integer;
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import java.util.Scanner;
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import java.io.IOException;
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import java.io.File;
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import org.mozilla.javascript.Context;
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import org.mozilla.javascript.Function;
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import org.mozilla.javascript.NativeObject;
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import org.mozilla.javascript.Scriptable;
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public class SheetJS {
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public Scriptable scope;
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public Context cx;
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public NativeObject nXLSX;
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public SheetJS() throws Exception {
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this.cx = Context.enter();
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this.scope = this.cx.initStandardObjects();
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/* boilerplate */
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cx.setOptimizationLevel(-1);
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String s = "var global = (function(){ return this; }).call(null);";
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cx.evaluateString(scope, s, "<cmd>", 1, null);
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/* eval library */
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s = new Scanner(SheetJS.class.getResourceAsStream("/xlsx.full.min.js")).useDelimiter("\\Z").next();
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//s = new Scanner(new File("xlsx.full.min.js")).useDelimiter("\\Z").next();
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cx.evaluateString(scope, s, "<cmd>", 1, null);
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/* grab XLSX variable */
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Object XLSX = scope.get("XLSX", scope);
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if(XLSX == Scriptable.NOT_FOUND) throw new Exception("XLSX not found");
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this.nXLSX = (NativeObject)XLSX;
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}
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public SheetJSFile read_file(String filename) throws IOException, ObjectNotFoundException {
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/* open file */
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String d = JSHelper.read_file(filename);
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/* options argument */
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NativeObject q = (NativeObject)this.cx.evaluateString(this.scope, "q = {'type':'binary', 'WTF':1};", "<cmd>", 2, null);
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/* set up function arguments */
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Object args[] = {d, q};
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/* call read -> wb workbook */
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Function readfunc = (Function)JSHelper.get_object("XLSX.read",this.scope);
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NativeObject wb = (NativeObject)readfunc.call(this.cx, this.scope, this.nXLSX, args);
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return new SheetJSFile(wb, this);
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}
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public static void close() { JSHelper.close(); }
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}
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