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package net.sf.basedb.reggie.script; |
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import java.io.ByteArrayOutputStream; |
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import java.io.File; |
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import java.util.Arrays; |
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import java.util.Date; |
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import org.slf4j.LoggerFactory; |
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import net.sf.basedb.core.InvalidDataException; |
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import net.sf.basedb.core.signal.SignalException; |
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import net.sf.basedb.reggie.Reggie; |
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import net.sf.basedb.util.FileCopyRunnable; |
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import net.sf.basedb.util.FileUtil; |
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import net.sf.basedb.util.extensions.logging.ExtensionsLog; |
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import net.sf.basedb.util.extensions.logging.ExtensionsLogger; |
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public abstract class ScriptDefinition |
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{ |
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private static final ExtensionsLogger logger = |
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ExtensionsLog.getLogger("net.sf.basedb.reggie", true).wrap(LoggerFactory.getLogger(ScriptDefinition.class)); |
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/** |
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Check user-input with this method before adding it to R script as a parameter |
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to make sure it doesn't contain any rough characters. Currently we play it safe |
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and only allow letter, digits, dot, underscore, space and hyphen. |
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*/ |
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public static String checkValidScriptParameter(String param) |
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{ |
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if (param != null && !param.matches("[a-zA-Z0-9._\\- ]+")) |
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{ |
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throw new InvalidDataException("Parameter may only contain [a-zA-Z0-9._- ]: " + param); |
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} |
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return param; |
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} |
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private String workDir; |
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protected ScriptDefinition() |
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{} |
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/** |
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Path to the working directory. If not set before |
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running the R script, a random temporary directory |
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will be created. |
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*/ |
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public void setWorkDir(String workDir) |
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{ |
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this.workDir = workDir; |
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} |
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/** |
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Get the path to the working directory. |
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@since 4.20 |
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*/ |
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public String getWorkDir() |
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{ |
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return workDir; |
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} |
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/** |
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Remove all files in the working directory. |
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*/ |
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public void removeWorkDir() |
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{ |
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if (workDir != null) |
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{ |
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FileUtil.deleteTempDirectory(new File(workDir)); |
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workDir = null; |
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} |
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} |
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protected <R extends ScriptResult> R run(R result, String... cmd) |
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{ |
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try |
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{ |
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File dir = null; |
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if (workDir != null) |
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{ |
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dir = new File(workDir); |
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if (!dir.isDirectory()) dir = null; |
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} |
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if (dir == null) |
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{ |
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TemporaryWorkDir tmp = TemporaryWorkDir.create(getClass().getSimpleName()+"-"+Reggie.CONVERTER_DATE_TO_STRING.convert(new Date())+"-", ".tmp", result); |
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result.setTmpWorkDir(tmp); |
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dir = tmp.getWorkDir(); |
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} |
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else |
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{ |
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result.setWorkDir(dir); |
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} |
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if (logger.isDebugEnabled()) |
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{ |
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logger.debug("Running script: " + Arrays.asList(cmd)); |
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logger.debug("Working directory: " + dir); |
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} |
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ProcessBuilder builder = new ProcessBuilder(cmd); |
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builder.directory(dir); |
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result.loadFilesToWorkDir(); |
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Process proc = builder.start(); |
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|
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// Collect stdout and stderr output |
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ByteArrayOutputStream stdout = new ByteArrayOutputStream(); |
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ByteArrayOutputStream stderr = new ByteArrayOutputStream(); |
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new Thread(new FileCopyRunnable(proc.getInputStream(), stdout)).start(); |
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new Thread(new FileCopyRunnable(proc.getErrorStream(), stderr)).start(); |
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int exitValue = proc.waitFor(); |
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result.setStdout(stdout.toString("UTF-8")); |
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result.setStderr(stderr.toString("UTF-8")); |
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result.setExitStatus(exitValue); |
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result.cleanupWorkDir(); |
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if (logger.isDebugEnabled()) |
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{ |
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logger.debug(result.toString()); |
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} |
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|
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} |
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catch (InterruptedException ex) |
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{ |
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throw new SignalException("Aborted by user"); |
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} |
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catch (Exception ex) |
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{ |
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result.setExitStatus(1); |
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result.setException(ex); |
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logger.error(result.toString(), ex); |
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} |
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return result; |
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} |
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|
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} |