Examples with XWikiResponse com.xpn.xwiki.web.XWikiResponse used on opensource projects

Example 6 with XWikiResponse

use of com.xpn.xwiki.web.XWikiResponse in project xwiki-platform by xwiki.

the class ChartingPlugin method outputFile.

public void outputFile(String filename, XWikiContext context) throws IOException {
    File ofile = getTempFile(filename);
    byte[] bytes = readFile(ofile);
    XWikiResponse response = context.getResponse();
    context.setFinished(true);
    response.setDateHeader("Last-Modified", ofile.lastModified());
    response.setContentLength(bytes.length);
    response.setContentType(context.getEngineContext().getMimeType(filename));
    OutputStream os = response.getOutputStream();
    os.write(bytes);
}

Example 7 with XWikiResponse

use of com.xpn.xwiki.web.XWikiResponse in project xwiki-platform by xwiki.

the class SchedulerPlugin method prepareJobStubContext.

/**
 * Create and feed a stub context for the job execution thread. Stub context data are retrieved from job object
 * fields "contextUser", "contextLang", "contextDatabase". If one of this field is empty (this would typically
 * happen on the first schedule operation), it is instead retrieved from the passed context, and the job object is
 * updated with this value. This mean that this method may modify the passed object.
 *
 * @param job the job for which the context will be prepared
 * @param context the XWikiContext at preparation time. This is a real context associated with a servlet request
 * @return the stub context prepared with job data
 */
private XWikiContext prepareJobStubContext(BaseObject job, XWikiContext context) throws SchedulerPluginException {
    boolean jobNeedsUpdate = false;
    String cUser = job.getStringValue("contextUser");
    if (cUser.equals("")) {
        // The context user has not been filled yet.
        // We can suppose it's the first scheduling. Let's assume it's the context user
        cUser = context.getUser();
        job.setStringValue("contextUser", cUser);
        jobNeedsUpdate = true;
    }
    String cLang = job.getStringValue("contextLang");
    if (cLang.equals("")) {
        cLang = context.getLanguage();
        job.setStringValue("contextLang", cLang);
        jobNeedsUpdate = true;
    }
    String iDb = context.getWikiId();
    String cDb = job.getStringValue("contextDatabase");
    if (cDb.equals("") || !cDb.equals(iDb)) {
        cDb = context.getWikiId();
        job.setStringValue("contextDatabase", cDb);
        jobNeedsUpdate = true;
    }
    if (jobNeedsUpdate) {
        try {
            context.setWikiId(cDb);
            XWikiDocument jobHolder = context.getWiki().getDocument(job.getName(), context);
            jobHolder.setMinorEdit(true);
            context.getWiki().saveDocument(jobHolder, context);
        } catch (XWikiException e) {
            throw new SchedulerPluginException(SchedulerPluginException.ERROR_SCHEDULERPLUGIN_UNABLE_TO_PREPARE_JOB_CONTEXT, "Failed to prepare context for job with job name " + job.getStringValue("jobName"), e);
        } finally {
            context.setWikiId(iDb);
        }
    }
    // lets now build the stub context
    XWikiContext scontext = context.clone();
    scontext.setWiki(context.getWiki());
    context.getWiki().getStore().cleanUp(context);
    // We are sure the context request is a real servlet request
    // So we force the dummy request with the current host
    XWikiServletRequestStub dummy = new XWikiServletRequestStub();
    dummy.setHost(context.getRequest().getHeader("x-forwarded-host"));
    dummy.setScheme(context.getRequest().getScheme());
    dummy.setContextPath(context.getRequest().getContextPath());
    XWikiServletRequest request = new XWikiServletRequest(dummy);
    scontext.setRequest(request);
    // Force forged context response to a stub response, since the current context response
    // will not mean anything anymore when running in the scheduler's thread, and can cause
    // errors.
    XWikiResponse stub = new XWikiServletResponseStub();
    scontext.setResponse(stub);
    // feed the dummy context
    scontext.setUser(cUser);
    scontext.setLanguage(cLang);
    scontext.setWikiId(cDb);
    scontext.setMainXWiki(context.getMainXWiki());
    if (scontext.getURL() == null) {
        try {
            scontext.setURL(new URL("http://www.mystuburl.com/"));
        } catch (Exception e) {
        // the URL is well formed, I promise
        }
    }
    com.xpn.xwiki.web.XWikiURLFactory xurf = context.getURLFactory();
    if (xurf == null) {
        xurf = context.getWiki().getURLFactoryService().createURLFactory(context.getMode(), context);
    }
    scontext.setURLFactory(xurf);
    try {
        XWikiDocument cDoc = context.getWiki().getDocument(job.getDocumentReference(), context);
        scontext.setDoc(cDoc);
    } catch (Exception e) {
        throw new SchedulerPluginException(SchedulerPluginException.ERROR_SCHEDULERPLUGIN_UNABLE_TO_PREPARE_JOB_CONTEXT, "Failed to prepare context for job with job name " + job.getStringValue("jobName"), e);
    }
    return scontext;
}

Example 8 with XWikiResponse

use of com.xpn.xwiki.web.XWikiResponse in project xwiki-platform by xwiki.

the class GraphVizPlugin method outputDotImage.

/**
 * Executes GraphViz and writes the resulting image (in the requested format) into the response.
 *
 * @param content the dot source code
 * @param extension the output file extension
 * @param dot which engine to execute: {@code dot} if {@code true}, {@code neato} if {@code false}
 * @param context the current request context
 * @throws IOException if writing the input or output files to the disk fails, or if writing the response body fails
 */
public void outputDotImage(String content, String extension, boolean dot, XWikiContext context) throws IOException {
    byte[] dotbytes = getDotImage(content, extension, dot);
    XWikiResponse response = context.getResponse();
    context.setFinished(true);
    response.setContentLength(dotbytes.length);
    response.setContentType(context.getEngineContext().getMimeType("toto." + extension));
    OutputStream os = response.getOutputStream();
    os.write(dotbytes);
    os.flush();
}

Example 9 with XWikiResponse

use of com.xpn.xwiki.web.XWikiResponse in project xwiki-platform by xwiki.

the class GraphVizPlugin method outputDotImageFromFile.

/**
 * Writes an already generated result from the temporary file into the response.
 *
 * @param filename the name of the temporary file, previously returned by
 *            {@link #writeDotImage(String, String, boolean)}
 * @param context the current request context
 * @throws IOException if reading the file from the disk fails, or if writing the response body fails
 */
public void outputDotImageFromFile(String filename, XWikiContext context) throws IOException {
    File ofile = getTempFile(filename);
    byte[] dotbytes = readDotImage(ofile);
    XWikiResponse response = context.getResponse();
    context.setFinished(true);
    response.setDateHeader("Last-Modified", ofile.lastModified());
    response.setContentLength(dotbytes.length);
    response.setContentType(context.getEngineContext().getMimeType(filename));
    OutputStream os = response.getOutputStream();
    os.write(dotbytes);
}

Example 10 with XWikiResponse

use of com.xpn.xwiki.web.XWikiResponse in project xwiki-platform by xwiki.

the class SVGPlugin method outputSVGImage.

public void outputSVGImage(String content, String extension, int height, int width, XWikiContext context) throws IOException, SVGConverterException {
    byte[] svgbytes = getSVGImage(content, extension, height, width);
    XWikiResponse response = context.getResponse();
    context.setFinished(true);
    response.setContentLength(svgbytes.length);
    response.setContentType(context.getEngineContext().getMimeType("toto." + extension));
    OutputStream os = response.getOutputStream();
    os.write(svgbytes);
    os.flush();
}