Example usage for java.util Collections enumeration

Introduction

In this page you can find the example usage for java.util Collections enumeration.

Prototype

public static <T> Enumeration<T> enumeration(final Collection<T> c)

Source Link

Document

Returns an enumeration over the specified collection.

Usage

From source file:org.apache.oltu.oauth2.ext.dynamicreg.server.request.JSONHttpServletRequestWrapper.java

public Enumeration<String> getParameterNames() {
    return Collections.enumeration(getParameterMap().keySet());
}

From source file:uk.ac.lancs.e_science.fileUpload.UploadFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {

    if (!(request instanceof HttpServletRequest)) {
        chain.doFilter(request, response);
        return;//  w  ww  . j a v a  2  s.co m
    }

    HttpServletRequest httpRequest = (HttpServletRequest) request;
    String contentLength = httpRequest.getHeader("Content-Length");
    try {
        if (sizeMax != -1 && contentLength != null && Long.parseLong(contentLength) > sizeMax) {
            ServletException servletEx = new ServletException("Uploaded file size excess maximun legal");
            throw servletEx;
        }
    } catch (NumberFormatException e) {
        e.printStackTrace();
        //nothing
    }

    boolean isMultipartContent = FileUpload.isMultipartContent(httpRequest);
    if (!isMultipartContent) {
        chain.doFilter(request, response);
        return;
    }

    DiskFileUpload upload = new DiskFileUpload();
    if (repositoryPath != null)
        upload.setRepositoryPath(repositoryPath);

    try {

        // SAK-13408 - Websphere cannot properly read the request if it has already been parsed and
        // marked by the Apache Commons FileUpload library. The request needs to be buffered so that 
        // it can be reset for subsequent processing
        if ("websphere".equals(ServerConfigurationService.getString("servlet.container"))) {
            HttpServletRequest bufferedInputRequest = new BufferedHttpServletRequestWrapper(httpRequest);
            httpRequest = bufferedInputRequest;
        }

        List list = upload.parseRequest(httpRequest);

        if ("websphere".equals(ServerConfigurationService.getString("servlet.container"))) {
            httpRequest.getInputStream().reset();
        }

        final Map map = new HashMap();
        for (int i = 0; i < list.size(); i++) {
            FileItem item = (FileItem) list.get(i);
            String str = item.getString("UTF-8");
            if (item.isFormField())
                map.put(item.getFieldName(), new String[] { str });
            else
                httpRequest.setAttribute(item.getFieldName(), item);
        }

        chain.doFilter(new HttpServletRequestWrapper(httpRequest) {
            public Map getParameterMap() {
                return map;
            }

            public String[] getParameterValues(String name) {
                Map map = getParameterMap();
                return (String[]) map.get(name);
            }

            public String getParameter(String name) {
                String[] params = getParameterValues(name);
                if (params == null)
                    return null;
                return params[0];
            }

            public Enumeration getParameterNames() {
                Map map = getParameterMap();
                return Collections.enumeration(map.keySet());
            }
        }, response);
    } catch (FileUploadException ex) {
        ServletException servletEx = new ServletException();
        servletEx.initCause(ex);
        throw servletEx;
    }
}

From source file:org.mskcc.cbio.portal.util.SessionServiceRequestWrapper.java

@Override
public Enumeration<String> getParameterNames() {
    if (storedParameters != null) {
        LOG.debug(// w ww.j a  v  a 2s .  c  o  m
                "SessionServiceRequestWrapper.getParameterNames(): accessing parameters from stored session with id '"
                        + sessionId + "'");
        return Collections.enumeration(storedParameters.keySet());
    }
    LOG.debug("SessionServiceRequestWrapper.getParameterNames(): accessing current request parameters");
    return super.getParameterNames();
}

From source file:grails.plugin.springsecurity.web.access.GrailsWebInvocationPrivilegeEvaluator.java

static HttpServletRequest createInstance(final String contextPath, final String httpMethod,
        final String requestURI) {
    final Map<String, Object> attributes = new HashMap<String, Object>();

    return (HttpServletRequest) Proxy.newProxyInstance(HttpServletRequest.class.getClassLoader(),
            new Class[] { HttpServletRequest.class }, new InvocationHandler() {
                public Object invoke(Object proxy, Method method, Object[] args) {

                    String methodName = method.getName();

                    if ("getContextPath".equals(methodName))
                        return contextPath;
                    if ("getMethod".equals(methodName))
                        return httpMethod;
                    if ("getRequestURI".equals(methodName))
                        return requestURI;
                    if ("setAttribute".equals(methodName)) {
                        attributes.put((String) args[0], args[1]);
                        return null;
                    }//  ww  w.  j  a  va  2 s. c  o  m
                    if ("getAttribute".equals(methodName)) {
                        return attributes.get(args[0]);
                    }

                    if ("getProtocol".equals(methodName) || "getScheme".equals(methodName))
                        return "http";
                    if ("getServerName".equals(methodName))
                        return "localhost";
                    if ("getServerPort".equals(methodName))
                        return 8080;

                    if (methodName.startsWith("is"))
                        return false;

                    if ("getParameterMap".equals(methodName))
                        return Collections.emptyMap();

                    if ("getAttributeNames".equals(methodName) || "getHeaderNames".equals(methodName)
                            || "getHeaders".equals(methodName) || "getLocales".equals(methodName)
                            || "getParameterNames".equals(methodName)) {
                        return Collections.enumeration(Collections.emptySet());
                    }

                    return null;
                }
            });
}

From source file:org.hdiv.filter.RequestWrapper.java

/**
 * Returns the names of the parameters for this request. The enumeration consists of the normal request parameter
 * names plus the parameters read from the multipart request.
 */// w ww .  j  a  va  2s  .  c  o  m
public Enumeration getParameterNames() {

    Enumeration baseParams = super.getParameterNames();

    if (!this.isMultipart)
        return baseParams;

    Vector list = new Vector();

    while (baseParams.hasMoreElements()) {
        list.add(baseParams.nextElement());
    }

    Collection multipartParams = this.parameters.keySet();
    Iterator iterator = multipartParams.iterator();

    while (iterator.hasNext()) {
        list.add(iterator.next());
    }

    return Collections.enumeration(list);
}

From source file:com.esri.gpt.control.filter.MultipartWrapper.java

/**
 * Gets the form parameter names.//from  w ww .  j  a v a 2  s.com
 * @return the form parameter names
 */
@Override
public Enumeration getParameterNames() {
    return Collections.enumeration(_formParameters.keySet());
}

From source file:eu.planets_project.tb.gui.backing.ListExp.java

public Collection<Experiment> getAllMatchingExperiments() {
    // Otherwise, search for the string toFind:
    log.debug("Searching experiments for: " + toFind);
    TestbedManager testbedMan = (TestbedManager) JSFUtil.getManagedObject("TestbedManager");
    Collection<Experiment> allExps = null;
    // Only go if there is a string to search for:
    if (toFind == null || "".equals(toFind)) {
        allExps = testbedMan.getAllExperiments();
    } else {/*from  w w  w .  j  av a 2s . co  m*/
        allExps = testbedMan.searchAllExperiments(toFind);
    }
    log.debug("Found " + allExps.size() + " matching experiment(s).");
    currExps = Collections.list(Collections.enumeration(allExps));
    sort(getSort(), isAscending());
    return currExps;
}

From source file:org.apache.pdfbox.pdmodel.PDPage.java

@Override
public InputStream getContents() throws IOException {
    COSBase base = page.getDictionaryObject(COSName.CONTENTS);
    if (base instanceof COSStream) {
        return ((COSStream) base).createInputStream();
    } else if (base instanceof COSArray && ((COSArray) base).size() > 0) {
        COSArray streams = (COSArray) base;
        byte[] delimiter = new byte[] { '\n' };
        List<InputStream> inputStreams = new ArrayList<InputStream>();
        for (int i = 0; i < streams.size(); i++) {
            COSStream stream = (COSStream) streams.getObject(i);
            inputStreams.add(stream.createInputStream());
            inputStreams.add(new ByteArrayInputStream(delimiter));
        }/*  w  w w. j a v  a2 s.c  o  m*/
        return new SequenceInputStream(Collections.enumeration(inputStreams));
    }
    return null;
}

From source file:mobac.program.model.Atlas.java

public Enumeration<?> children() {
    return Collections.enumeration(layers);
}

From source file:org.jasig.portal.url.PortalHttpServletRequestWrapperImpl.java

@Override
public Enumeration<?> getHeaders(String name) {
    final Object value = this.additionalHeaders.get(name);
    if (value == null) {
        return super.getHeaders(name);
    }//from  w  w  w  .java 2  s  .c  om

    return Collections.enumeration(Collections.singleton(value));
}