| /* |
| * 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.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| |
| import org.codehaus.groovy.control.CompilerConfiguration; |
| |
| /** |
| * A ReaderSource for source strings. |
| * |
| * @author <a href="mailto:cpoirier@dreaming.org">Chris Poirier</a> |
| * @version $Id$ |
| */ |
| public class InputStreamReaderSource extends AbstractReaderSource { |
| private InputStream stream; // The InputStream from which we produce a Reader. |
| |
| /** |
| * Creates the ReaderSource from a File descriptor. |
| * |
| * @param stream stream containing source |
| * @param configuration configuration for compiling source |
| */ |
| public InputStreamReaderSource(InputStream stream, CompilerConfiguration configuration) { |
| super(configuration); |
| this.stream = stream; |
| } |
| |
| /** |
| * Returns a new Reader on the underlying source object. |
| */ |
| public Reader getReader() throws IOException { |
| if (stream != null) { |
| Reader reader = new InputStreamReader(stream, configuration.getSourceEncoding()); |
| stream = null; |
| return reader; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns true if the source can be restarted (ie. if getReader() |
| * will return non-null on subsequent calls. |
| */ |
| public boolean canReopenSource() { |
| return false; |
| } |
| } |