org.codehaus.groovy.control.io.InputStreamReaderSource Maven / Gradle / Ivy
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* 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 org.codehaus.groovy.control.CompilerConfiguration;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URI;
/**
* A ReaderSource for source strings.
*
* @author Chris Poirier
*/
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;
}
/**
* TODO: Should return the URI for this source, but we can't know what it is here.
*
* @return null
*/
public URI getURI() {
return null;
}
}