taverna-localworker-activity-ui/src/main/resources/net.sourceforge.taverna.scuflworkers.io.ConcatenateFileListWorker

<activity xmlns="http://taverna.sf.net/2008/xml/t2flow"><class>net.sf.taverna.t2.activities.localworker.LocalworkerActivity</class><inputMap /><outputMap /><configBean encoding="xstream"><net.sf.taverna.t2.activities.localworker.LocalworkerActivityConfigurationBean xmlns="">
  <script>BufferedReader getReader (String fileUrl) throws IOException {
		InputStreamReader reader;
		try {
			reader = new FileReader(fileUrl);
		}
		catch (FileNotFoundException e) {
			// try a real URL instead
			URL url = new URL(fileUrl);
			reader = new InputStreamReader (url.openStream());
		}
		return new BufferedReader(reader);
	}

String NEWLINE = System.getProperty("line.separator");

boolean displayResults = false;
if (displayresults != void) {
	displayResults = Boolean.valueOf(displayresults).booleanValue();
}

StringBuffer sb = new StringBuffer(2000);

if (outputfile == void) {
	throw new RuntimeException("The 'outputfile' parameter cannot be null");
}

if (filelist == null) {
	throw new RuntimeException("The 'filelist' parameter cannot be null");
}

String str = null;

Writer writer = new FileWriter(outputfile);
for (int i = 0; i &lt; filelist.size(); i++) {
	BufferedReader reader = getReader(filelist.get(i));
	while ((str = reader.readLine()) != null) {
		writer.write(str);
		writer.write(NEWLINE);

		if (displayResults) {
			sb.append(str);
			sb.append(NEWLINE);
		}
	}

	reader.close();

}
writer.flush();
writer.close();

if (displayResults) {
	results= sb.toString();
}

</script>
  <dependencies />
  <inputs>
    <net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
      <handledReferenceSchemes />
      <translatedElementType>java.lang.String</translatedElementType>
      <allowsLiteralValues>true</allowsLiteralValues>
      <name>filelist</name>
      <depth>1</depth>
      <mimeTypes>
        <string>l('text/plain')</string>
      </mimeTypes>
    </net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
    <net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
      <handledReferenceSchemes />
      <translatedElementType>java.lang.String</translatedElementType>
      <allowsLiteralValues>true</allowsLiteralValues>
      <name>outputfile</name>
      <depth>0</depth>
      <mimeTypes>
        <string>'text/plain'</string>
      </mimeTypes>
    </net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
    <net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
      <handledReferenceSchemes />
      <translatedElementType>java.lang.String</translatedElementType>
      <allowsLiteralValues>true</allowsLiteralValues>
      <name>displayresults</name>
      <depth>0</depth>
      <mimeTypes>
        <string>'text/plain'</string>
      </mimeTypes>
    </net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
  </inputs>
  <outputs>
    <net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
      <granularDepth>0</granularDepth>
      <name>results</name>
      <depth>0</depth>
      <mimeTypes>
        <string>'text/plain'</string>
      </mimeTypes>
    </net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
  </outputs>
</net.sf.taverna.t2.activities.localworker.LocalworkerActivityConfigurationBean></configBean></activity>