| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 groovy.lang.GroovyRuntimeException; |
| import org.codehaus.groovy.control.CompilerConfiguration; |
| import org.codehaus.groovy.util.URLStreams; |
| |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.URL; |
| |
| /** |
| * A ReaderSource for source files hosted at a URL. |
| */ |
| public class URLReaderSource extends AbstractReaderSource { |
| private final URL url; // The URL from which we produce Readers. |
| |
| /** |
| * Creates the ReaderSource from a File descriptor. |
| * @param url url pointing to script source |
| * @param configuration configuration for compiling source |
| */ |
| public URLReaderSource( URL url, CompilerConfiguration configuration ) { |
| super( configuration ); |
| this.url = url; |
| } |
| |
| /** |
| * Returns a new Reader on the underlying source object. |
| */ |
| public Reader getReader() throws IOException { |
| return new InputStreamReader(URLStreams.openUncachedStream(url), configuration.getSourceEncoding() ); |
| } |
| |
| /** |
| * Returns a URI for the URL of this source. |
| * |
| * @return URI for the URL of this source. |
| */ |
| public URI getURI() { |
| try { |
| return url.toURI(); |
| } catch (URISyntaxException e) { |
| throw new GroovyRuntimeException("Unable to convert the URL <" + url + "> to a URI!", e); |
| } |
| } |
| |
| } |