FileSourceParser.java

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/*
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 * Copyright 2006 - 2013
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 *     Stefan Balev     <stefan.balev@graphstream-project.org>
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 *     Julien Baudry    <julien.baudry@graphstream-project.org>
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 *     Antoine Dutot    <antoine.dutot@graphstream-project.org>
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 *     Yoann Pign��      <yoann.pigne@graphstream-project.org>
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 *     Guilhelm Savin   <guilhelm.savin@graphstream-project.org>
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 * 
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 * This file is part of GraphStream <http://graphstream-project.org>.
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 * 
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 * GraphStream is a library whose purpose is to handle static or dynamic
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 * graph, create them from scratch, file or any source and display them.
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 * 
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 * This program is free software distributed under the terms of two licenses, the
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 * CeCILL-C license that fits European law, and the GNU Lesser General Public
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 * License. You can  use, modify and/ or redistribute the software under the terms
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 * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following
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 * URL <http://www.cecill.info> or under the terms of the GNU LGPL as published by
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 * the Free Software Foundation, either version 3 of the License, or (at your
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 * option) any later version.
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 * 
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY
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 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
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 * 
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 * 
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 * The fact that you are presently reading this means that you have had
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 * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms.
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 */
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package org.graphstream.stream.file;
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import java.io.FileReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.Reader;
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import java.net.URL;
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import org.graphstream.stream.SourceBase;
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import org.graphstream.util.parser.ParseException;
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import org.graphstream.util.parser.Parser;
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import org.graphstream.util.parser.ParserFactory;
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/**
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 * This defines source using a {@link org.graphstream.util.parser.Parser} object
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 * to parse a stream and generate graph events.
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 * 
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 */
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public abstract class FileSourceParser extends SourceBase implements FileSource {
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	/**
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	 * Factory used to create parser.
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	 */
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	protected ParserFactory factory;
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	/**
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	 * Parser opened by a call to {@link #begin(Reader)}.
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	 */
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	protected Parser parser;
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	/**
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	 * Get a new parser factory.
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	 * 
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	 * @return a parser factory
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	 */
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	public abstract ParserFactory getNewParserFactory();
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	protected FileSourceParser() {
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		factory = getNewParserFactory();
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	}
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	/*
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	 * (non-Javadoc)
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	 * 
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	 * @see org.graphstream.stream.file.FileSource#readAll(java.lang.String)
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	 */
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	public void readAll(String fileName) throws IOException {
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		Parser parser = factory.newParser(createReaderForFile(fileName));
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		try {
82 1 1. readAll : removed call to org/graphstream/util/parser/Parser::all → NO_COVERAGE
			parser.all();
83 1 1. readAll : removed call to org/graphstream/util/parser/Parser::close → NO_COVERAGE
			parser.close();
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		} catch (ParseException e) {
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			throw new IOException(e);
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		}
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	}
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	/*
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	 * (non-Javadoc)
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	 * 
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	 * @see org.graphstream.stream.file.FileSource#readAll(java.net.URL)
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	 */
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	public void readAll(URL url) throws IOException {
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		Parser parser = factory.newParser(new InputStreamReader(url
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				.openStream()));
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		try {
99 1 1. readAll : removed call to org/graphstream/util/parser/Parser::all → NO_COVERAGE
			parser.all();
100 1 1. readAll : removed call to org/graphstream/util/parser/Parser::close → NO_COVERAGE
			parser.close();
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		} catch (ParseException e) {
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			throw new IOException(e);
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		}
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	}
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	/*
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	 * (non-Javadoc)
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	 * 
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	 * @see org.graphstream.stream.file.FileSource#readAll(java.io.InputStream)
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	 */
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	public void readAll(InputStream stream) throws IOException {
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		Parser parser = factory.newParser(new InputStreamReader(stream));
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		try {
115 1 1. readAll : removed call to org/graphstream/util/parser/Parser::all → NO_COVERAGE
			parser.all();
116 1 1. readAll : removed call to org/graphstream/util/parser/Parser::close → NO_COVERAGE
			parser.close();
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		} catch (ParseException e) {
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			throw new IOException(e);
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		}
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	}
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	/*
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	 * (non-Javadoc)
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	 * 
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	 * @see org.graphstream.stream.file.FileSource#readAll(java.io.Reader)
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	 */
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	public void readAll(Reader reader) throws IOException {
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		Parser parser = factory.newParser(reader);
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		try {
131 1 1. readAll : removed call to org/graphstream/util/parser/Parser::all → NO_COVERAGE
			parser.all();
132 1 1. readAll : removed call to org/graphstream/util/parser/Parser::close → NO_COVERAGE
			parser.close();
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		} catch (ParseException e) {
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			throw new IOException(e);
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		}
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	}
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	/*
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	 * (non-Javadoc)
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	 * 
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	 * @see org.graphstream.stream.file.FileSource#begin(java.lang.String)
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	 */
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	public void begin(String fileName) throws IOException {
144 1 1. begin : negated conditional → NO_COVERAGE
		if (parser != null)
145 1 1. begin : removed call to org/graphstream/stream/file/FileSourceParser::end → NO_COVERAGE
			end();
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		parser = factory.newParser(createReaderForFile(fileName));
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		try {
150 1 1. begin : removed call to org/graphstream/util/parser/Parser::open → NO_COVERAGE
			parser.open();
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		} catch (ParseException e) {
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			throw new IOException(e);
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		}
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	}
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	/*
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	 * (non-Javadoc)
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	 * 
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	 * @see org.graphstream.stream.file.FileSource#begin(java.net.URL)
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	 */
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	public void begin(URL url) throws IOException {
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		parser = factory.newParser(new InputStreamReader(url.openStream()));
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		try {
165 1 1. begin : removed call to org/graphstream/util/parser/Parser::open → NO_COVERAGE
			parser.open();
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		} catch (ParseException e) {
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			throw new IOException(e);
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		}
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	}
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	/*
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	 * (non-Javadoc)
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	 * 
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	 * @see org.graphstream.stream.file.FileSource#begin(java.io.InputStream)
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	 */
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	public void begin(InputStream stream) throws IOException {
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		parser = factory.newParser(new InputStreamReader(stream));
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		try {
180 1 1. begin : removed call to org/graphstream/util/parser/Parser::open → NO_COVERAGE
			parser.open();
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		} catch (ParseException e) {
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			throw new IOException(e);
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		}
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	}
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	/*
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	 * (non-Javadoc)
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	 * 
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	 * @see org.graphstream.stream.file.FileSource#begin(java.io.Reader)
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	 */
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	public void begin(Reader reader) throws IOException {
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		parser = factory.newParser(reader);
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		try {
195 1 1. begin : removed call to org/graphstream/util/parser/Parser::open → NO_COVERAGE
			parser.open();
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		} catch (ParseException e) {
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			throw new IOException(e);
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		}
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	}
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	/*
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	 * (non-Javadoc)
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	 * 
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	 * @see org.graphstream.stream.file.FileSource#nextEvents()
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	 */
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	public boolean nextEvents() throws IOException {
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		try {
208 1 1. nextEvents : replaced return of integer sized value with (x == 0 ? 1 : 0) → NO_COVERAGE
			return parser.next();
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		} catch (ParseException e) {
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			throw new IOException(e);
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		}
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	}
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	/**
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	 * Since there is no step in DOT, this does the same action than
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	 * {@link #nextEvents()}.
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	 */
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	public boolean nextStep() throws IOException {
219 1 1. nextStep : replaced return of integer sized value with (x == 0 ? 1 : 0) → NO_COVERAGE
		return nextEvents();
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	}
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	/*
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	 * (non-Javadoc)
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	 * 
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	 * @see org.graphstream.stream.file.FileSource#end()
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	 */
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	public void end() throws IOException {
228 1 1. end : removed call to org/graphstream/util/parser/Parser::close → NO_COVERAGE
		parser.close();
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		parser = null;
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	}
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	protected Reader createReaderForFile(String filename) throws IOException {
233 1 1. createReaderForFile : mutated return of Object value for org/graphstream/stream/file/FileSourceParser::createReaderForFile to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
		return new FileReader(filename);
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	}
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}

Mutations

82

1.1
Location : readAll
Killed by : none
removed call to org/graphstream/util/parser/Parser::all → NO_COVERAGE

83

1.1
Location : readAll
Killed by : none
removed call to org/graphstream/util/parser/Parser::close → NO_COVERAGE

99

1.1
Location : readAll
Killed by : none
removed call to org/graphstream/util/parser/Parser::all → NO_COVERAGE

100

1.1
Location : readAll
Killed by : none
removed call to org/graphstream/util/parser/Parser::close → NO_COVERAGE

115

1.1
Location : readAll
Killed by : none
removed call to org/graphstream/util/parser/Parser::all → NO_COVERAGE

116

1.1
Location : readAll
Killed by : none
removed call to org/graphstream/util/parser/Parser::close → NO_COVERAGE

131

1.1
Location : readAll
Killed by : none
removed call to org/graphstream/util/parser/Parser::all → NO_COVERAGE

132

1.1
Location : readAll
Killed by : none
removed call to org/graphstream/util/parser/Parser::close → NO_COVERAGE

144

1.1
Location : begin
Killed by : none
negated conditional → NO_COVERAGE

145

1.1
Location : begin
Killed by : none
removed call to org/graphstream/stream/file/FileSourceParser::end → NO_COVERAGE

150

1.1
Location : begin
Killed by : none
removed call to org/graphstream/util/parser/Parser::open → NO_COVERAGE

165

1.1
Location : begin
Killed by : none
removed call to org/graphstream/util/parser/Parser::open → NO_COVERAGE

180

1.1
Location : begin
Killed by : none
removed call to org/graphstream/util/parser/Parser::open → NO_COVERAGE

195

1.1
Location : begin
Killed by : none
removed call to org/graphstream/util/parser/Parser::open → NO_COVERAGE

208

1.1
Location : nextEvents
Killed by : none
replaced return of integer sized value with (x == 0 ? 1 : 0) → NO_COVERAGE

219

1.1
Location : nextStep
Killed by : none
replaced return of integer sized value with (x == 0 ? 1 : 0) → NO_COVERAGE

228

1.1
Location : end
Killed by : none
removed call to org/graphstream/util/parser/Parser::close → NO_COVERAGE

233

1.1
Location : createReaderForFile
Killed by : none
mutated return of Object value for org/graphstream/stream/file/FileSourceParser::createReaderForFile to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE

Active mutators

Tests examined


Report generated by PIT 0.33