Examples with Parameter digilib.util.Parameter used on opensource projects

Example 1 with Parameter

use of digilib.util.Parameter in project digilib by robcast.

the class DigilibServletRequest method getAsString.

/**
 * Return the request parameters of a given type type as a String in the
 * parameter form 'fn=/icons&pn=1'. Empty (undefined) fields are not
 * included.
 *
 * @return String of request parameters in parameter form.
 */
public String getAsString(int type) {
    StringBuffer s = new StringBuffer(50);
    // go through all values
    for (Parameter p : params.values()) {
        if ((type > 0) && (p.getType() != type)) {
            // skip the wrong types
            continue;
        }
        String name = p.getName();
        // request_path adds to fn
        if (name.equals("fn")) {
            s.append("&fn=" + getAsString("request.path") + getAsString("fn"));
            continue;
        }
        // parameters that are not set or internal are not sent
        if ((!p.hasValue()) || (p.getType() == 'i')) {
            continue;
        }
        s.append("&" + name + "=" + p.getAsString());
    }
    // kill first "&"
    s.deleteCharAt(0);
    return s.toString();
}

Example 2 with Parameter

use of digilib.util.Parameter in project digilib by robcast.

the class DigilibServletRequest method setWithParamRequest.

/**
 * Set request parameters from javax.servlet.ServletRequest. Uses the
 * Requests getParameter methods for 'fn=foo' style parameters.
 *
 * @param request
 *            ServletRequest to get parameters from.
 */
// @SuppressWarnings("unchecked") // ServletRequest.getParameterNames()
// returns naked Enumeration
public void setWithParamRequest(ServletRequest request) {
    setValue("servlet.request", request);
    // go through all request parameters
    for (@SuppressWarnings("unchecked") Enumeration<String> i = request.getParameterNames(); i.hasMoreElements(); ) {
        String name = (String) i.nextElement();
        // is this a known parameter?
        if (params.containsKey(name)) {
            Parameter p = (Parameter) this.get(name);
            // internal parameters are not set
            if (p.getType() == 'i') {
                continue;
            }
            p.setValueFromString(request.getParameter(name));
            continue;
        }
        // unknown parameters are just added with type 'r'
        newParameter(name, null, request.getParameter(name), 'r');
    }
    // add path from request
    setValue("request.path", ((HttpServletRequest) request).getPathInfo());
}

Example 3 with Parameter

use of digilib.util.Parameter in project digilib by robcast.

the class PDFStreamWorker method renderPDF.

/**
 * @throws DocumentException
 * @throws InterruptedException
 * @throws ExecutionException
 * @throws IOException
 * @throws ImageOpException
 */
protected OutputStream renderPDF() throws InterruptedException, ExecutionException, IOException, ImageOpException {
    long start_time = System.currentTimeMillis();
    // create document object
    PdfWriter writer = new PdfWriter(outstream);
    PdfDocument pdfdoc = new PdfDocument(writer);
    doc = new Document(pdfdoc, PageSize.A4);
    logger.debug("PDF: {} doc.open()ed ({}ms)", outstream, (System.currentTimeMillis() - start_time));
    // add title page
    PDFTitlePage titlepage = new PDFTitlePage(job_info);
    titlepage.createPage(doc);
    // add pages
    NumRange pgs = job_info.getPages();
    for (int p : pgs) {
        // start new page
        doc.add(new AreaBreak());
        logger.debug("PDF: adding Image {} to {}", p, outstream);
        // copy request and set page number (as new Parameter)
        DigilibRequest pageRequest = new DigilibRequest(dlConfig, job_info);
        pageRequest.put("pn", new Parameter("pn", p, p));
        // create ImageJobInformation
        ImageJobDescription iji = ImageJobDescription.getRawInstance(pageRequest, job_info.getDlConfig());
        iji.prepareScaleParams();
        addImage(doc, iji);
        logger.debug("PDF: done adding Image {} to {}", p, outstream);
    }
    logger.debug("PDF: done adding all Images to {}", outstream);
    doc.close();
    logger.debug("PDF: {} doc.close() ({}ms)", outstream, (System.currentTimeMillis() - start_time));
    writer.flush();
    writer.close();
    return outstream;
}

Example 4 with Parameter

use of digilib.util.Parameter in project digilib by robcast.

the class DigilibConfiguration method readConfig.

/**
 * read parameters from properties file digilib.properties in class path.
 */
public void readConfig() {
    Properties props = new Properties();
    InputStream s = Thread.currentThread().getContextClassLoader().getResourceAsStream(propertiesFileName);
    if (s != null) {
        try {
            props.load(s);
            s.close();
            for (Entry<Object, Object> confEntry : props.entrySet()) {
                Parameter param = get((String) confEntry.getKey());
                if (param != null) {
                    if (param.getType() == 's') {
                        // type 's' Parameters are not overwritten.
                        continue;
                    }
                    if (!param.setValueFromString((String) confEntry.getValue())) {
                        /*
                             * automatic conversion failed -- try special cases
                             */
                        if (!setSpecialValueFromString(param, (String) confEntry.getValue())) {
                            logger.warn("Unable to parse config parameter: {}", param.getName());
                        }
                    }
                } else {
                    // parameter unknown -- just add
                    newParameter((String) confEntry.getKey(), null, confEntry.getValue(), 'u');
                }
            }
            // set config file path parameter
            newParameter("digilib.config.file", Thread.currentThread().getContextClassLoader().getResource("digilib.properties").toString(), null, 's');
        } catch (IOException e) {
            logger.error("Error reading digilib properties file.", e);
        }
    }
}

Example 5 with Parameter

use of digilib.util.Parameter in project digilib by robcast.

the class DigilibRequest method setWithParamString.

/**
 * Set request parameters from query string. Uses the separator string qs to
 * get 'fn=foo' style parameters.
 *
 * @param qs
 *            query string
 * @param sep
 *            parameter-separator string
 */
public void setWithParamString(String qs, String sep) {
    // go through all request parameters
    String[] qa = qs.split(sep);
    for (int i = 0; i < qa.length; i++) {
        // split names and values on "="
        String[] nv = qa[i].split("=");
        try {
            String name = URLDecoder.decode(nv[0], "UTF-8");
            String val = URLDecoder.decode(nv[1], "UTF-8");
            // is this a known parameter?
            if (params.containsKey(name)) {
                Parameter p = (Parameter) this.get(name);
                // internal parameters are not set
                if (p.getType() == 'i') {
                    continue;
                }
                p.setValueFromString(val);
                continue;
            }
            // unknown parameters are just added with type 'r'
            newParameter(name, null, val, 'r');
        } catch (UnsupportedEncodingException e) {
        // this shouldn't happen anyway
        }
    }
    initOptions();
}