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Groovy example source code file (FileReaderSource.java)
The Groovy FileReaderSource.java source code/* * Copyright 2003-2007 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.codehaus.groovy.control.io; import java.io.*; import java.nio.charset.Charset; import org.codehaus.groovy.control.CompilerConfiguration; /** * A ReaderSource for source files. * * @author <a href="mailto:cpoirier@dreaming.org">Chris Poirier * @version $Id: FileReaderSource.java 10715 2008-02-04 11:10:47Z glaforge $ */ public class FileReaderSource extends AbstractReaderSource { private File file; // The File from which we produce Readers. private final Charset UTF8 = Charset.forName("UTF-8"); /** * Creates the ReaderSource from a File descriptor. * @param file script source file * @param configuration configuration for compiling source */ public FileReaderSource( File file, CompilerConfiguration configuration ) { super( configuration ); this.file = file; } /** * Returns a new Reader on the underlying source object. */ public Reader getReader() throws IOException { // we want to remove the BOM windows adds from a file if the encoding is UTF-8 // in other cases we depend on the charsets Charset cs = Charset.forName(configuration.getSourceEncoding()); InputStream in = new BufferedInputStream(new FileInputStream(file)); if (UTF8.name().equalsIgnoreCase(cs.name())) { in.mark(3); boolean hasBOM = true; try { int i = in.read(); hasBOM &= i == 0xEF; i = in.read(); hasBOM &= i == 0xBB; i = in.read(); hasBOM &= i == 0xFF; } catch (IOException ioe) { hasBOM= false; } if (!hasBOM) in.reset(); } return new InputStreamReader( in, cs ); } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy FileReaderSource.java source code file: |
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