/* * Copyright (c) 2011 Mozilla Foundation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ package org.whattf.datatype; import java.io.BufferedReader; import java.io.IOException; import java.io.Reader; import java.io.StringReader; import org.mozilla.javascript.Context; import org.mozilla.javascript.ContextFactory; import org.mozilla.javascript.RhinoException; import org.relaxng.datatype.DatatypeException; public class FunctionBody extends AbstractDatatype { /** * The singleton instance. */ public static final FunctionBody THE_INSTANCE = new FunctionBody(); protected FunctionBody() { super(); } public void checkValid(CharSequence literal) throws DatatypeException { try { Reader reader = new BufferedReader((new StringReader( "function(event){" + literal.toString() + "}"))); reader.mark(1); try { Context context = ContextFactory.getGlobal().enterContext(); context.setOptimizationLevel(0); context.setLanguageVersion(Context.VERSION_1_6); // -1 for lineno arg prevents Rhino from appending // "(unnamed script#1)" to all error messages context.compileReader(reader, null, -1, null); } finally { Context.exit(); } } catch (IOException e) { throw newDatatypeException(e.getMessage()); } catch (RhinoException e) { throw newDatatypeException(e.getMessage()); } } @Override public String getName() { return "ECMAScript FunctionBody"; } }