private String getFile(final String solutionPath) {
IActionSequenceResource resource =
new ActionSequenceResource(
"",
IActionSequenceResource.SOLUTION_FILE_RESOURCE,
"text/html",
solutionPath); //$NON-NLS-1$ //$NON-NLS-2$
try {
byte[] bytes =
IOUtils.toByteArray(
resource.getInputStream(
ISolutionRepository.ACTION_EXECUTE, LocaleHelper.getLocale()));
return new String(bytes, LocaleHelper.getSystemEncoding());
} catch (Exception e) {
if (errorMessage != null) {
return errorMessage;
} else {
error(
Messages.getInstance()
.getErrorString(
"Html.ERROR_0001_COULD_NOT_GET_CONTENT", solutionPath)); // $NON-NLS-1$
return Messages.getInstance()
.getErrorString("Html.ERROR_0001_COULD_NOT_GET_CONTENT", solutionPath); // $NON-NLS-1$
}
}
}
public ReportSpec getReportSpec() throws FileNotFoundException {
ReportSpec reportSpec = null;
if (isDefinedResource(AbstractJFreeReportComponent.REPORTGENERATEDEFN_REPORTSPECINPUT)) {
IActionSequenceResource resource =
getResource(AbstractJFreeReportComponent.REPORTGENERATEDEFN_REPORTSPECINPUT);
reportSpec = loadFromZip(resource);
if (reportSpec == null) {
InputStream reportSpecInputStream =
resource.getInputStream(ISolutionRepository.ACTION_EXECUTE, LocaleHelper.getLocale());
reportSpec =
(ReportSpec)
CastorUtility.getInstance()
.readCastorObject(reportSpecInputStream, ReportSpec.class);
}
}
return reportSpec;
}
private ReportSpec loadFromZip(final IActionSequenceResource resource) {
try {
InputStream reportSpecInputStream =
resource.getInputStream(ISolutionRepository.ACTION_EXECUTE, LocaleHelper.getLocale());
ZipInputStream zis = new ZipInputStream(reportSpecInputStream);
ZipEntry reportSpecEntry = findReportSpec(zis);
if (reportSpecEntry == null) {
return null;
}
// is this really sane? Blindly using the first zip entry is ... argh!
// maybe you should use GZipped streams instead...
return (ReportSpec) CastorUtility.getInstance().readCastorObject(zis, ReportSpec.class);
} catch (Exception e) {
return null;
}
}
/**
* Create a dial image.
*
* <ul>
* <li>Load the specified XML document describing the dial definition
* <li>Create a dial definition object from the XML definition
* <li>Use the JFreeChartEngine to create a dial image
* <li>Create an XML document describing the dial
* <li>Return the XML document
* </ul>
*
* @return The XML document describing this dial
*/
@Override
public Document getXmlContent() {
WidgetDefinition widget = null;
if (type == DashboardWidgetComponent.TYPE_DIAL) {
// load the XML document that defines the dial
IActionSequenceResource resource =
new ActionSequenceResource(
title,
IActionSequenceResource.SOLUTION_FILE_RESOURCE,
"text/xml", //$NON-NLS-1$
definitionPath);
Document dialDefinition = null;
try {
org.dom4j.io.SAXReader reader = new org.dom4j.io.SAXReader();
reader.setEntityResolver(new SolutionURIResolver());
dialDefinition =
reader.read(
resource.getInputStream(RepositoryFilePermission.READ, LocaleHelper.getLocale()));
} catch (Throwable t) {
// XML document can't be read. We'll just return a null document.
}
if (dialDefinition == null) {
error(
Messages.getInstance()
.getErrorString(
"Widget.ERROR_0002_INVALID_RESOURCE", definitionPath)); // $NON-NLS-1$
return null;
}
// create a dial definition from the XML definition
widget = new DialWidgetDefinition(dialDefinition, 0, width, height, getSession());
if (widget != null) {
// set the value to be displayed on the dial
widget.setValue(new Double(value));
}
}
/*
* else if( type == TYPE_THERMOMETER ) { // load the XML document that
* defines the thermometer
*
* ActionResource resource = new ActionResource( title,
* IActionResource.SOLUTION_FILE_RESOURCE, "text/xml", //$NON-NLS-1$
* PentahoSystem.getApplicationContext().getSolutionPath( definitionPath ) );
* //$NON-NLS-1$ Document thermometerDefinition = null; try {
* thermometerDefinition = PentahoSystem.getResourceAsDocument( resource ); }
* catch (IOException e) {} // create a dial definition from the XML
* definition widget = createThermometer( thermometerDefinition );
*
* if( widget != null ) { // set the value to be displayed on the dial
* widget.setValue( new Double(value) ); // Set the XSL file to be used
* to generate the HTML setXsl( "text/html", "DialWidget.xsl" );
* //$NON-NLS-1$ //$NON-NLS-2$ } else { error(
* Messages.getInstance().getString("Widget.ERROR_0001_COULD_NOT_CREATE") );
* //$NON-NLS-1$ return null; } }
*/
if (widget == null) {
error(Messages.getInstance().getString("Widget.ERROR_0001_COULD_NOT_CREATE")); // $NON-NLS-1$
return null;
}
// create an image for the dial using the JFreeChart engine
StringWriter stringWriter = new StringWriter();
PrintWriter printWriter = new PrintWriter(stringWriter);
// create temporary file names
String solutionDir = "system/tmp/"; // $NON-NLS-1$
String fileNamePrefix = "tmp_pie_"; // $NON-NLS-1$
String extension = ".png"; // $NON-NLS-1$
String fileName = null;
String filePathWithoutExtension = null;
try {
File file =
PentahoSystem.getApplicationContext()
.createTempFile(getSession(), fileNamePrefix, extension, true);
fileName = file.getName();
filePathWithoutExtension = solutionDir + fileName.substring(0, fileName.indexOf('.'));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
String dialTitle = ""; // $NON-NLS-1$
JFreeChartEngine.saveChart(
widget,
dialTitle,
units,
filePathWithoutExtension,
width,
height,
JFreeChartEngine.OUTPUT_PNG,
printWriter,
this);
// Create a document that describes the result
Document result = DocumentHelper.createDocument();
IPentahoRequestContext requestContext = PentahoRequestContextHolder.getRequestContext();
setXslProperty(
"baseUrl", requestContext.getContextPath()); // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
setXslProperty(
"fullyQualifiedServerUrl",
PentahoSystem.getApplicationContext()
.getFullyQualifiedServerURL()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
Element root = result.addElement("widget"); // $NON-NLS-1$
root.addElement("title").setText(title); // $NON-NLS-1$
root.addElement("units").setText(units); // $NON-NLS-1$
root.addElement("width").setText(Integer.toString(width)); // $NON-NLS-1$
root.addElement("height").setText(Integer.toString(height)); // $NON-NLS-1$
Element valueNode = root.addElement("value"); // $NON-NLS-1$
valueNode.setText(Double.toString(value));
valueNode.addAttribute(
"in-image", Boolean.toString(widget.getValueFont() != null)); // $NON-NLS-1$
root.addElement("image").setText(fileName); // $NON-NLS-1$
return result;
}