Show XmlLoggerWithStatus.java syntax highlighted
package net.sourceforge.cruisecontrol.util;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.tools.ant.BuildEvent;
import org.apache.tools.ant.XmlLogger;
/**
* Extends XmlLogger by adding information about currently running target to a
* file specified by system property <br>
* XmlLoggerWithStatus.file
*
* @author IgorSemenko (igor@semenko.com)
*/
public class XmlLoggerWithStatus extends XmlLogger {
private Writer out;
private boolean inited;
private String targetFilter;
private static final SimpleDateFormat FORMATTER = new SimpleDateFormat("HH:mm:ss");
/**
* Reads current content of file defined by system property
* XmlLoggerWithStatus.file and creates a writer to it.
*
* NOTE: this code MAY NOT be placed into buildStarted event because
* properties are not available at that point yet.
*/
public void init(BuildEvent event) {
if (!inited) {
String statusFileName = event.getProject().getProperty("XmlLoggerWithStatus.file");
if (statusFileName == null) {
statusFileName = "buildstatus.txt";
}
this.targetFilter = event.getProject().getProperty("XmlLoggerWithStatus.filter");
//check directory
File parentDir = new File(statusFileName).getParentFile();
if (parentDir != null && !parentDir.exists()) {
parentDir.mkdirs();
}
// create a writer
try {
out = new FileWriter(statusFileName, true);
} catch (Exception e) {
System.err.println("Error opening file " + statusFileName + " for appending");
e.printStackTrace(System.err);
}
inited = true;
}
}
/**
* Closes writer to build status.
*/
public void buildFinished(BuildEvent event) {
super.buildFinished(event);
if (out != null) {
try {
out.close();
} catch (IOException ignored) {
}
}
}
/**
* Adds a line with started target and timestamp.
*/
public void targetStarted(BuildEvent event) {
super.targetStarted(event);
init(event);
if (out != null) {
String name = event.getTarget().getName();
if (this.targetFilter != null && name.matches(this.targetFilter)){
return;
}
StringBuffer content = new StringBuffer();
content.append(System.getProperty("line.separator"));
content.append(FORMATTER.format(new Date()));
content.append(" [");
content.append(name);
content.append("] ");
writeStatus(content);
}
}
/**
* Writes a line and flushes.
*/
private void writeStatus(StringBuffer content) {
try {
out.write(content.toString());
out.flush();
} catch (IOException e) {
System.err.println("Error writing statusline to writer");
e.printStackTrace(System.err);
}
}
}
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