-/*\r
- * Copyright (C) 2001, 2002 The Mir-coders group\r
- *\r
- * This file is part of Mir.\r
- *\r
- * Mir is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * Mir is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with Mir; if not, write to the Free Software\r
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
- *\r
- * In addition, as a special exception, The Mir-coders gives permission to link\r
- * the code of this program with any library licensed under the Apache Software License,\r
- * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library\r
- * (or with modified versions of the above that use the same license as the above),\r
- * and distribute linked combinations including the two. You must obey the\r
- * GNU General Public License in all respects for all of the code used other than\r
- * the above mentioned libraries. If you modify this file, you may extend this\r
- * exception to your version of the file, but you are not obligated to do so.\r
- * If you do not wish to do so, delete this exception statement from your version.\r
- */\r
-package mir.producer;\r
-\r
-import java.util.Map;\r
-\r
-import mir.log.LoggerWrapper;\r
-import mir.util.ParameterExpander;\r
-\r
-public class ExecuteProgramProducerNode implements ProducerNode {\r
- private String scriptExpression;\r
- private String maxDurationExpression;\r
- private String outputVariableExpression;\r
- private String returnValueVariableExpression;\r
-\r
- public ExecuteProgramProducerNode(String aScriptExpression, String aMaxDurationExpression, String anOutputVariableExpression,\r
- String aReturnValueVariableExpression) {\r
- scriptExpression = aScriptExpression;\r
- maxDurationExpression = aMaxDurationExpression;\r
- outputVariableExpression = anOutputVariableExpression;\r
- returnValueVariableExpression = aReturnValueVariableExpression;\r
- }\r
-\r
- public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerFailure {\r
- String script;\r
- long maxDuration;\r
-\r
- try {\r
- script = ParameterExpander.expandExpression(aValueMap, scriptExpression);\r
- maxDuration = ParameterExpander.evaluateIntegerExpressionWithDefault(aValueMap, maxDurationExpression, 0);\r
-\r
- ProcessRunner runner = new ProcessRunner(aLogger, script);\r
- runner.start();\r
-\r
- synchronized (runner) {\r
- runner.wait(maxDuration);\r
- }\r
- runner.interrupt();\r
-\r
- if (runner.getFinished()) {\r
- aLogger.info(script + " terminated successfully, return value = " + runner.getReturnValue() + ".");\r
-\r
- if (returnValueVariableExpression != null) {\r
- ParameterExpander.setValueForKey(aValueMap,\r
- ParameterExpander.expandExpression(aValueMap, returnValueVariableExpression),\r
- new Integer(runner.getReturnValue()));\r
- }\r
-\r
- }\r
- else {\r
- aLogger.info(script + " interrupted prematurely after " + maxDuration + "ms.");\r
- }\r
- }\r
- catch (Throwable e) {\r
- aLogger.error("Error while executing " + scriptExpression + " : " + e.toString());\r
- }\r
- }\r
-\r
- private static class ProcessRunner extends Thread {\r
- private String script;\r
- private boolean finished = false;\r
- private int returnValue = 0;\r
- private LoggerWrapper logger;\r
-\r
- public ProcessRunner(LoggerWrapper aLogger, String aScript) {\r
- script = aScript;\r
- logger = aLogger;\r
- }\r
-\r
- public boolean getFinished() {\r
- return finished;\r
- }\r
-\r
- public int getReturnValue() {\r
- return returnValue;\r
- }\r
-\r
- public void run() {\r
- Process process = null;\r
- try {\r
- process = Runtime.getRuntime().exec(script);\r
- returnValue = process.waitFor();\r
-\r
- finished = true;\r
-\r
- synchronized (this) {\r
- this.notify();\r
- }\r
- }\r
- catch (InterruptedException e) {\r
- if (process!=null) {\r
- process.destroy();\r
- }\r
- }\r
- catch (Exception e) {\r
- logger.error(script + " failed to execute: " + e.getMessage());\r
- }\r
- }\r
- }\r
-\r
-}\r
+/*
+ * Copyright (C) 2001-2006 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
+package mir.producer;
+
+import mir.log.LoggerWrapper;
+import mir.util.ParameterExpander;
+
+import java.util.Map;
+
+public class ExecuteProgramProducerNode extends AbstractProducerNode {
+ private String scriptExpression;
+ private String maxDurationExpression;
+ private String outputVariableExpression;
+ private String returnValueVariableExpression;
+
+ public ExecuteProgramProducerNode(String aScriptExpression, String aMaxDurationExpression, String anOutputVariableExpression,
+ String aReturnValueVariableExpression) {
+ scriptExpression = aScriptExpression;
+ maxDurationExpression = aMaxDurationExpression;
+ outputVariableExpression = anOutputVariableExpression;
+ returnValueVariableExpression = aReturnValueVariableExpression;
+ }
+
+ public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerFailure {
+ String script;
+ long maxDuration;
+
+ try {
+ script = ParameterExpander.expandExpression(aValueMap, scriptExpression);
+ maxDuration = ParameterExpander.evaluateIntegerExpressionWithDefault(aValueMap, maxDurationExpression, 0);
+
+ ProcessRunner runner = new ProcessRunner(aLogger, script);
+ runner.start();
+
+ synchronized (runner) {
+ runner.wait(maxDuration);
+ }
+ runner.interrupt();
+
+ if (runner.getFinished()) {
+ aLogger.info(script + " terminated successfully, return value = " + runner.getReturnValue() + ".");
+
+ if (returnValueVariableExpression != null) {
+ ParameterExpander.setValueForKey(aValueMap,
+ ParameterExpander.expandExpression(aValueMap, returnValueVariableExpression),
+ new Integer(runner.getReturnValue()));
+ }
+
+ }
+ else {
+ aLogger.info(script + " interrupted prematurely after " + maxDuration + "ms.");
+ }
+ }
+ catch (Throwable e) {
+ aLogger.error("Error while executing " + scriptExpression + " : " + e.toString());
+ }
+ }
+
+ private static class ProcessRunner extends Thread {
+ private String script;
+ private boolean finished = false;
+ private int returnValue = 0;
+ private LoggerWrapper logger;
+
+ public ProcessRunner(LoggerWrapper aLogger, String aScript) {
+ script = aScript;
+ logger = aLogger;
+ }
+
+ public boolean getFinished() {
+ return finished;
+ }
+
+ public int getReturnValue() {
+ return returnValue;
+ }
+
+ public void run() {
+ Process process = null;
+ try {
+ process = Runtime.getRuntime().exec(script);
+ returnValue = process.waitFor();
+
+ finished = true;
+
+ synchronized (this) {
+ this.notify();
+ }
+ }
+ catch (InterruptedException e) {
+ if (process!=null) {
+ process.destroy();
+ }
+ }
+ catch (Exception e) {
+ logger.error(script + " failed to execute: " + e.getMessage());
+ }
+ }
+ }
+
+}
projects / mir.git / blobdiff