156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson/* 256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Copyright (C) 2010 Google Inc. 356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * 456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Licensed under the Apache License, Version 2.0 (the "License"); 556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * you may not use this file except in compliance with the License. 656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * You may obtain a copy of the License at 756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * 856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * http://www.apache.org/licenses/LICENSE-2.0 956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * 1056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Unless required by applicable law or agreed to in writing, software 1156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * distributed under the License is distributed on an "AS IS" BASIS, 1256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * See the License for the specific language governing permissions and 1456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * limitations under the License. 1556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson */ 1656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 1756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodsonpackage com.google.clearsilver.jsilver.data; 1856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 1956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodsonimport com.google.clearsilver.jsilver.exceptions.JSilverBadSyntaxException; 2056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodsonimport com.google.clearsilver.jsilver.resourceloader.ResourceLoader; 2156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 2256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodsonimport java.io.FileNotFoundException; 2356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodsonimport java.io.IOException; 2456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodsonimport java.io.Reader; 2556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 2656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson/** 2756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Loads data in Hierarchical Data Format (HDF) into Data objects. 2856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson */ 2956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodsonpublic class HDFDataFactory implements DataFactory { 3056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson private final Parser hdfParser; 3156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson private final boolean ignoreAttributes; 3256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 3356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public HDFDataFactory(boolean ignoreAttributes) { 3456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson this(ignoreAttributes, new NoOpStringInternStrategy()); 3556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 3656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 3756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public HDFDataFactory(boolean ignoreAttributes, StringInternStrategy stringInternStrategy) { 3856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson this(NewHdfParser.newFactory(stringInternStrategy), ignoreAttributes); 3956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 4056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 4156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public HDFDataFactory(ParserFactory hdfParserFactory, boolean ignoreAttributes) { 4256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson this.ignoreAttributes = ignoreAttributes; 4356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson this.hdfParser = hdfParserFactory.newInstance(); 4456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 4556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 4656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson @Override 4756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public Data createData() { 4856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return new DefaultData(); 4956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 5056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 5156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson @Override 5256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public void loadData(final String dataFileName, ResourceLoader resourceLoader, Data output) 5356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson throws JSilverBadSyntaxException, IOException { 5456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson Reader reader = resourceLoader.open(dataFileName); 5556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson if (reader == null) { 5656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson throw new FileNotFoundException(dataFileName); 5756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 5856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson try { 5956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson hdfParser.parse(reader, output, new Parser.ErrorHandler() { 6056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public void error(int line, String lineContent, String fileName, String errorMessage) { 6156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson throw new JSilverBadSyntaxException("HDF parsing error : '" + errorMessage + "'", 6256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson lineContent, fileName, line, JSilverBadSyntaxException.UNKNOWN_POSITION, null); 6356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 6456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson }, resourceLoader, dataFileName, ignoreAttributes); 6556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } finally { 6656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson resourceLoader.close(reader); 6756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 6856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 6956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 7056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson @Override 7156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public Data loadData(String dataFileName, ResourceLoader resourceLoader) throws IOException { 7256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson Data result = createData(); 7356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson loadData(dataFileName, resourceLoader, result); 7456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return result; 7556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 7656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 7756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson @Override 7856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public Parser getParser() { 7956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return hdfParser; 8056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 8156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson} 82