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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
GroovyMain.java | 0% | 0% | 0% | 0% |
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/*
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$Id: GroovyMain.java,v 1.9 2004/08/17 22:56:07 jez Exp $
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Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
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Redistribution and use of this software and associated documentation
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("Software"), with or without modification, are permitted provided
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that the following conditions are met:
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1. Redistributions of source code must retain copyright
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statements and notices. Redistributions must also contain a
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copy of this document.
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2. Redistributions in binary form must reproduce the
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above copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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3. The name "groovy" must not be used to endorse or promote
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products derived from this Software without prior written
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permission of The Codehaus. For written permission,
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please contact info@codehaus.org.
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4. Products derived from this Software may not be called "groovy"
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nor may "groovy" appear in their names without prior written
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permission of The Codehaus. "groovy" is a registered
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trademark of The Codehaus.
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5. Due credit should be given to The Codehaus -
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http://groovy.codehaus.org/
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THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
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NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package groovy.ui;
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import groovy.lang.GroovyShell;
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import groovy.lang.MetaClass;
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import groovy.lang.Script;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.PrintWriter;
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import java.util.Iterator;
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import java.util.List;
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import org.apache.commons.cli.CommandLine;
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import org.apache.commons.cli.CommandLineParser;
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import org.apache.commons.cli.HelpFormatter;
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import org.apache.commons.cli.OptionBuilder;
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import org.apache.commons.cli.Options;
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import org.apache.commons.cli.ParseException;
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import org.apache.commons.cli.PosixParser;
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import org.apache.commons.cli.Option;
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import org.codehaus.groovy.control.CompilationFailedException;
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import org.codehaus.groovy.control.CompilerConfiguration;
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import org.codehaus.groovy.runtime.InvokerHelper;
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/**
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* A Command line to execute groovy.
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*
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* @author Jeremy Rayner
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* @author Yuri Schimke
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* @version $Revision: 1.9 $
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*/
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public class GroovyMain { |
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// arguments to the script
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private List args;
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// is this a file on disk
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private boolean isScriptFile; |
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// filename or content of script
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private String script;
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// process args as input files
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private boolean processFiles; |
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94 |
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// edit input files in place
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private boolean editFiles; |
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97 |
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// automatically output the result of each script
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private boolean autoOutput; |
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100 |
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// process sockets
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private boolean processSockets; |
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103 |
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// port to listen on when processing sockets
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private int port; |
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106 |
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// backup input files with extension
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private String backupExtension;
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// Compiler configuration, used to set the encodings of the scripts/classes
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private CompilerConfiguration conf = new CompilerConfiguration(); |
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/**
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* Main CLI interface.
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*
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* @param args
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* all command line args.
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*/
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119 | 0 |
public static void main(String args[]) { |
120 | 0 |
MetaClass.setUseReflection(true);
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122 | 0 |
Options options = buildOptions(); |
123 |
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124 | 0 |
try {
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125 | 0 |
CommandLine cmd = parseCommandLine(options, args); |
126 |
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127 | 0 |
if (cmd.hasOption('h')) {
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128 | 0 |
HelpFormatter formatter = new HelpFormatter();
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129 | 0 |
formatter.printHelp("groovy", options);
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130 |
} |
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131 | 0 |
else if (cmd.hasOption('v')) { |
132 | 0 |
String version = InvokerHelper.getVersion(); |
133 | 0 |
System.out.println("Groovy Version: " + version + " JVM: " + System.getProperty("java.vm.version")); |
134 |
} |
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else {
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136 | 0 |
process(cmd); |
137 |
} |
|
138 |
} |
|
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catch (ParseException pe) {
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140 | 0 |
System.out.println("error: " + pe.getMessage());
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141 | 0 |
HelpFormatter formatter = new HelpFormatter();
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142 | 0 |
formatter.printHelp("groovy", options);
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} |
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} |
|
145 |
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/**
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* Parse the command line.
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*
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* @param options
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* the options parser.
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* @param args
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* the command line args.
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* @return parsed command line.
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* @throws ParseException
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* if there was a problem.
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|
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*/
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157 | 0 |
private static CommandLine parseCommandLine(Options options, String[] args) throws ParseException { |
158 | 0 |
CommandLineParser parser = new PosixParser();
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159 | 0 |
CommandLine cmd = parser.parse(options, args, true);
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160 | 0 |
return cmd;
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161 |
} |
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162 |
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/**
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* Build the options parser.
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*
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* @return an options parser.
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*/
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168 | 0 |
private static Options buildOptions() { |
169 | 0 |
Options options = new Options();
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170 |
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171 | 0 |
options.addOption(OptionBuilder.hasArg(false).withDescription("usage information").withLongOpt("help").create('h')); |
172 |
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173 | 0 |
options.addOption(OptionBuilder.hasArg(false).withDescription("display the Groovy and JVM versions").withLongOpt("version").create('v')); |
174 |
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175 | 0 |
options.addOption(OptionBuilder.withArgName("charset").hasArg().withDescription("specify the encoding of the files").withLongOpt("encoding").create('c')); |
176 |
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177 | 0 |
options.addOption(OptionBuilder.withArgName("script").hasArg().withDescription("specify a command line script").create('e')); |
178 |
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|
179 | 0 |
options.addOption(OptionBuilder.withArgName("extension").hasOptionalArg().withDescription("modify files in place").create('i')); |
180 |
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|
181 | 0 |
options.addOption(OptionBuilder.hasArg(false).withDescription("process files line by line").create('n')); |
182 |
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183 | 0 |
options.addOption(OptionBuilder.hasArg(false).withDescription("process files line by line and print result").create('p')); |
184 |
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185 | 0 |
options.addOption(OptionBuilder.withArgName("port").hasOptionalArg().withDescription("listen on a port and process inbound lines").create('l')); |
186 | 0 |
return options;
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187 |
} |
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188 |
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|
189 |
/**
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|
190 |
* Process the users request.
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191 |
*
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|
192 |
* @param line
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|
193 |
* the parsed command line.
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|
194 |
* @throws ParseException
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|
195 |
* if invalid options are chosen
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|
196 |
*/
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197 | 0 |
private static void process(CommandLine line) throws ParseException { |
198 | 0 |
GroovyMain main = new GroovyMain();
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199 |
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200 | 0 |
List args = line.getArgList(); |
201 |
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202 |
// add the ability to parse scripts with a specified encoding
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203 | 0 |
if (line.hasOption('c')) {
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204 | 0 |
main.conf.setSourceEncoding(line.getOptionValue("encoding"));
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205 |
} |
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206 |
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207 | 0 |
main.isScriptFile = !line.hasOption('e'); |
208 | 0 |
main.processFiles = line.hasOption('p') || line.hasOption('n'); |
209 | 0 |
main.autoOutput = line.hasOption('p'); |
210 | 0 |
main.editFiles = line.hasOption('i'); |
211 | 0 |
if (main.editFiles) {
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212 | 0 |
main.backupExtension = line.getOptionValue('i'); |
213 |
} |
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214 |
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|
215 | 0 |
if (main.isScriptFile) {
|
216 | 0 |
if (args.isEmpty())
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217 | 0 |
throw new ParseException("neither -e or filename provided"); |
218 |
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219 | 0 |
main.script = (String) args.remove(0); |
220 | 0 |
if (main.script.endsWith(".java")) |
221 | 0 |
throw new ParseException("error: cannot compile file with .java extension: " + main.script); |
222 |
} |
|
223 |
else {
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224 | 0 |
main.script = line.getOptionValue('e'); |
225 |
} |
|
226 |
|
|
227 | 0 |
main.processSockets = line.hasOption('l'); |
228 | 0 |
if (main.processSockets) {
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229 | 0 |
String p = line.getOptionValue('l',"1960"); // default port to listen to |
230 | 0 |
main.port = new Integer(p).intValue();
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231 |
} |
|
232 | 0 |
main.args = args; |
233 |
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|
234 | 0 |
main.run(); |
235 |
} |
|
236 |
|
|
237 | 0 |
public GroovyMain() {
|
238 |
} |
|
239 |
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|
240 |
/**
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|
241 |
* Run the script.
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|
242 |
*/
|
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243 | 0 |
private void run() { |
244 | 0 |
try {
|
245 | 0 |
if (processSockets) {
|
246 | 0 |
processSockets(); |
247 | 0 |
} else if (processFiles) { |
248 | 0 |
processFiles(); |
249 |
} |
|
250 |
else {
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|
251 | 0 |
processOnce(); |
252 |
} |
|
253 |
} |
|
254 |
catch (Exception e) {
|
|
255 | 0 |
System.out.println("Caught: " + e);
|
256 | 0 |
e.printStackTrace(); |
257 |
} |
|
258 |
} |
|
259 |
|
|
260 |
/**
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|
261 |
* Process Sockets.
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|
262 |
*/
|
|
263 | 0 |
private void processSockets() throws CompilationFailedException, IOException { |
264 | 0 |
GroovyShell groovy = new GroovyShell(conf);
|
265 | 0 |
Script s; |
266 | 0 |
if (isScriptFile) {
|
267 | 0 |
s = groovy.parse(new File(script));
|
268 |
} else {
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|
269 | 0 |
s = groovy.parse(script, "main");
|
270 |
} |
|
271 | 0 |
new GroovySocketServer(groovy,isScriptFile,script,autoOutput,port);
|
272 |
} |
|
273 |
|
|
274 |
/**
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|
275 |
* Process the input files.
|
|
276 |
*/
|
|
277 | 0 |
private void processFiles() throws CompilationFailedException, IOException { |
278 | 0 |
GroovyShell groovy = new GroovyShell(conf);
|
279 |
|
|
280 | 0 |
Script s = null;
|
281 |
|
|
282 | 0 |
if (isScriptFile)
|
283 | 0 |
s = groovy.parse(new File(script));
|
284 |
else
|
|
285 | 0 |
s = groovy.parse(script, "main");
|
286 |
|
|
287 | 0 |
if (args.isEmpty()) {
|
288 | 0 |
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); |
289 | 0 |
PrintWriter writer = new PrintWriter(System.out);
|
290 |
|
|
291 | 0 |
processReader(s, reader, writer); |
292 |
} |
|
293 |
else {
|
|
294 | 0 |
Iterator i = args.iterator(); |
295 | 0 |
while (i.hasNext()) {
|
296 | 0 |
String filename = (String) i.next(); |
297 | 0 |
File file = new File(filename);
|
298 | 0 |
processFile(s, file); |
299 |
} |
|
300 |
} |
|
301 |
} |
|
302 |
|
|
303 |
/**
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|
304 |
* Process a single input file.
|
|
305 |
*
|
|
306 |
* @param s
|
|
307 |
* the script to execute.
|
|
308 |
* @param file
|
|
309 |
* the input file.
|
|
310 |
*/
|
|
311 | 0 |
private void processFile(Script s, File file) throws IOException { |
312 | 0 |
if (!file.exists())
|
313 | 0 |
throw new FileNotFoundException(file.getName()); |
314 |
|
|
315 | 0 |
if (!editFiles) {
|
316 | 0 |
BufferedReader reader = new BufferedReader(new FileReader(file)); |
317 | 0 |
try {
|
318 | 0 |
PrintWriter writer = new PrintWriter(System.out);
|
319 | 0 |
processReader(s, reader, writer); |
320 | 0 |
writer.flush(); |
321 |
} |
|
322 |
finally {
|
|
323 | 0 |
reader.close(); |
324 |
} |
|
325 |
} |
|
326 |
else {
|
|
327 | 0 |
File backup = null;
|
328 | 0 |
if (backupExtension == null) { |
329 | 0 |
backup = File.createTempFile("groovy_", ".tmp"); |
330 | 0 |
backup.deleteOnExit(); |
331 |
} |
|
332 |
else {
|
|
333 | 0 |
backup = new File(file.getPath() + backupExtension);
|
334 | 0 |
backup.delete(); |
335 |
} |
|
336 | 0 |
if (!file.renameTo(backup))
|
337 | 0 |
throw new IOException("unable to rename " + file + " to " + backup); |
338 |
|
|
339 | 0 |
BufferedReader reader = new BufferedReader(new FileReader(backup)); |
340 | 0 |
try {
|
341 | 0 |
PrintWriter writer = new PrintWriter(new FileWriter(file)); |
342 | 0 |
try {
|
343 | 0 |
processReader(s, reader, writer); |
344 |
} |
|
345 |
finally {
|
|
346 | 0 |
writer.close(); |
347 |
} |
|
348 |
} |
|
349 |
finally {
|
|
350 | 0 |
reader.close(); |
351 |
} |
|
352 |
} |
|
353 |
} |
|
354 |
|
|
355 |
/**
|
|
356 |
* Process a script against a single input file.
|
|
357 |
*
|
|
358 |
* @param s
|
|
359 |
* script to execute.
|
|
360 |
* @param reader
|
|
361 |
* input file.
|
|
362 |
* @param pw
|
|
363 |
* output sink.
|
|
364 |
*/
|
|
365 | 0 |
private void processReader(Script s, BufferedReader reader, PrintWriter pw) throws IOException { |
366 | 0 |
String line = null;
|
367 | 0 |
s.setProperty("out", pw);
|
368 | 0 |
while ((line = reader.readLine()) != null) { |
369 | 0 |
s.setProperty("line", line);
|
370 | 0 |
Object o = s.run(); |
371 |
|
|
372 | 0 |
if (autoOutput) {
|
373 | 0 |
pw.println(o); |
374 |
} |
|
375 |
} |
|
376 |
} |
|
377 |
|
|
378 |
/**
|
|
379 |
* Process the standard, single script with args.
|
|
380 |
*/
|
|
381 | 0 |
private void processOnce() throws CompilationFailedException, IOException { |
382 | 0 |
GroovyShell groovy = new GroovyShell(conf);
|
383 |
|
|
384 | 0 |
if (isScriptFile)
|
385 | 0 |
groovy.run(new File(script), args);
|
386 |
else
|
|
387 | 0 |
groovy.run(script, "main", args);
|
388 |
} |
|
389 |
} |
|